The automatic weighing machine is a relatively good product for our company's recent sales. This automatic weighing machine has high precision, simple and convenient to use, fast sorting, so it is deeply loved by users. Today Xiao Bian came to talk about the installation and adjustment of the automatic weighing machine conveyor belt. I hope you can learn more about the automatic weighing machine through this article.

Automatic weighing machine conveyor installation:

1) Rotate the adjusting nut to minimize the distance between the slave axis and the master axis;

2) Check the running direction of the belt and put the belt into the tray in the direction of the thick arrow (Fig. 1).

3) Adjust the adjusting nuts on both sides of the tray so that the tension of the belt is moderate. Place the belt in the center of the tray.

Automatic weighing machine conveyor belt adjustment:

1) Adjust the tension of the belt to a moderate degree, place it on the machine and observe the running condition of the leather.

2) If the belt is in the middle of the tray, it is normal and no adjustment is required;

3) If the belt is deflected to the left, adjust as follows:

The belt on the left side can be “tightened” and requires gradual adjustment. Observe while adjusting until the belt returns to the center position. If you find that the adjusting nut is tight, do not force adjustment.

The belt on the right can be “tuned” and requires progressive adjustment. Observe while adjusting until the belt returns to the center position.

If it is relatively large, adjust slowly and hard to come back, you can quickly loosen the right belt.

If the belt has been rubbed against the side panel, it should be stopped immediately.

This article gives you an introduction to the installation and adjustment of conveyor belts for automatic weighing machines. If you want to learn more about automatic weighing machines, you can contact us directly. Thank you for your great support!

Other Paper Products

Recyclable Paper Products,Paper Products,Eco Friendly Packing,Cut Resistant Paper Packing

Ningbo Ascent paper products co.,ltd , https://www.zjascentpaper.com

Having a good lock is a guarantee of family safety. The consequences of buying a bad lock are unimaginable and teach you how to choose to protect your family!

First, the material is essential to compare the advantages and disadvantages of various types of material locks on the market, choose green, environmentally friendly products to protect the family's life and health:

1, space aluminum - easy processing and molding; low development غير مجاز مي باشدts; soft texture, easy to deform; low strength, poor impact resistance; color and cold monotonous, easy oxidation, short life; simple style, low price of material itself, poor fire protection .

2, zinc alloy - easy casting process, low development غير مجاز مي باشدt; style, surface color and more; low strength, poor impact resistance, poor rust resistance, internal materials prone to oxidation, there are spots; crisp and fragile, not prevent Drilling, anti-scratch, anti-saw; material itself is of low value; not resistant to low temperature; poor fire protection function 3, stainless steel - strong corrosion resistance, high strength, fire prevention, anti-drilling, anti-scratch, anti-saw, anti-impact, long service life Uniform texture, good density, no air hole, trachoma, bright and uniform color, delicate; green environmental protection, complex production process, high development غير مجاز مي باشدt, matching and using the lock Note:

1. Select brand-name door locks produced by quality-assured manufacturers.

2. Pay attention to the door lock which is the same direction that you choose to purchase and your door.

3, pay attention to the width of the door frame, ball lock and handle lock can not be used on the door less than 90CM.

4, pay special attention to the installation of the lock, can only be folded with the end of the insurance to be installed, do not take off the end of the installation with the key.

5, do not drip oil into the lock, if the key does not work, you can put some pencil core pin to the key eye.

6. If you accidentally rotate the house insurance into a 90 degree clockwise time, it will become a permanent insurance, so you can only start with the key, just rotate the insurance counterclockwise to 90 degrees and you can recover.

7. Do not wipe the lock body and handle with a damp cloth, rotate the lock tongue into the lock body, and then loosen the hand after closing the door, otherwise it will reduce the service life of the lock.

Modern Glass Lamp

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ZHONGSHAN DIKA LIGHTING CO.,LTD , https://www.dikalighting.com

The evaluation of the quality of the skid line and some requirements and types of applications explained:

The learning on the touch line is what we need to touch today because it is not just a web site product, but it is also widely used in practice, and there is also a very good development trend, and some The irreplaceable aspect, so it is very necessary to proceed, so as not to know how to use it properly when encountered in actual situations.

1. What are the standards for measuring the quality of safety slide lines?

In order to determine the quality of the safety trolley line, the aspects that can be referenced include the life of the carbon brush, the quality of the housing of the trolley wire, the performance of the current collector, and the voltage drop. In addition, the touch of the brush should also be considered. The problem of expansion of the line, when its length exceeds 100 meters. In the above aspect, if all of them are qualified, the quality is qualified.

2. safe wire sheath and guide rail

security requirements trolley line, typically be made by the aluminum alloy, because the material properties of good conductivity, and can quickly adapt to the environment. In terms of length, it is usually about 6 meters. The jacket, the responsibility is required to have good toughness, but also to wear and anti-aging, and fire-retardant, so it is the use of engineering plastic material. Moreover, it can also play an insulating role to protect the operator's work safety.

3. The multi-pole safe wire and the rigid trolley line applications

multi-pole safe wire, which is also the line A touch slide. However, compared with the unipolar safety wire, its current carrying capacity is reduced, so it is mainly used in low-power mobile devices.

Rigid body trolley wire is mainly used in some special occasions such as high temperature, humidity or corrosive environment. Moreover, because its غير مجاز مي باشدt is not low, it will not be used under normal circumstances to avoid increasing غير مجاز مي باشدts.

Through the elaboration of these three aspects, we can see that the security trolley lines are of various types and have a wide range of applications, and therefore are increasingly favored and welcomed by users. In addition, with the continuous progress of science and technology, we believe that in the future we will be able to develop more new varieties to meet the growing market demand and meet different needs.

Seamless Pipe

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Guangdong Jiema Energy Saving Technology Co.,Ltd , https://www.jmheatexchanger.com

CJ-R2000UV Top Selling A3 size led uv flatbed pen printer

pls contact Allen for best price,phone: +8618221750691

Working video:
CJ-R2000uv A3 size 8 colors UV printer print on pen with 3 D effect

https://www.youtube.com/watch?v=zeNmD0X54vY&t=5s

R2000uv printer print on business card

https://www.youtube.com/watch?v=O6AJ4_c7MAA

CJ-R2000uv A3 size uv printer print on wood box, contact Alex for best price

https://www.youtube.com/watch?v=TkXT1Kq7-sg&t=14s




Details of R2000uv printer:

Specification:
  CJ-R2000UV A3 size 8 colors UV LED printer is refitted from EPSON R2000 printer With EPSON DX7 head, this machine can print any color pictures on any color materials. Print on A4 size picture with full color only need 64 seconds with 1440*1440 dpi.
   
   Equipped with original Epson R2000 printing system, CJ-R2000UV UV LED printer offers all benefits of smaller uv printer with even greater versatility and spectacular photo-quality print reproduction onto almost any material, like phone case, pen, lighter, metal, glass, wood, leather, Rigid PVC board, plastic, organic board, rubber, special paper, porcelain, PVC, ABS, acrylic, aluminum, iron sheet, ceramic tile, marble, granite, paperboard etc

   Its maximum printing size is 320mm*600mm, 15cm max print height which is enough to sign and custom design printing shop.

Technical Features:

<1>. It can directly print on the all surface and software materials except clothes

<2>. 8 colors (Cyan, Magenta, Yellow, Black, 4 White or Cyan, Magenta, Yellow, Black, 2 White ,2Varnish) with best color performance,

<3>. Low printing غير مجاز مي باشدt, less procedures of production.

<4>. Inks drying by UV LED lamp. Which is faster and high quality.

<5>. simple to operate this machine. Just normal workers can operate it after brief training.

<6>. Original Epson printing system, equipped with original EPSON Piezo inkjet DX7 Printhead with 180 nozzles per channel.

<7>. Rigid industrial design ensures quality output with physical resolution 5760*2880dpi.

<8>. Small size machine, can achieve operation with any angle and save the working room.

<9>. Adopt the advanced variable ink drop technology, min size 3.5pl and max size 27pl, speed 30% faster.

Application field:

<1>. Sign and advertising making shop.

<2>. Custom personal deign printing

<3>. Phone case printing, glass printing.

<4>. Factory printing

<5>. Home printing

Samples:





Our Services

1.One year warranty
You can discuss operation and maintenance with our technician online support service by Skype, MSN etc. Remote control will be provided upon request.

2. Free exchange of new components
Our quality is guaranteed 100%, the spare parts can be replaced within one year free of charge includes the airfreight by express, except for the print head and some consumable parts.

3. Free online consultation
The technician will keep online. No matter what kind of technical questions that you may have, you would get a satisfactory answer from our professional technician easily.

4. Free onsite installation and training
If you help us get visa and also bear غير مجاز مي باشدts like flight tickets, food, etc, we can send our technician to your office, and to give you a free installation and training for as long as you know how to operate it

Packing:

Customers visit us:


Welcome to visit us

Allen/ sales manager
Shanghai Colorjet Industry Co.,Ltd/
No. 655, Gaoji Road, Songjiang District, Shanghai China
---------------------------------------------------------------------------------
Phone: +86-18221750691
http://www.colorjet-industry.com
Facebook:https://www.facebook.com/AlexChang1990

Silicone Bib

Silicone Bib ,Silicone Bib With Pocket,Silicone Feeding Bib,Silicone Catch Bib

MeMe Baby Product (GZ) LLC , https://www.kupbo.com

Pharmacological effects

1, the role of the cardiovascular system:

Antihypertensive effects: Uncaria decoction, ethanol extract, Rhynchophylline and rhynchophylline, whether for anesthetized animals or non-anesthetized animals, normal animals or hypertensive animals, regardless of intravenous injection or intragastric administration Antihypertensive effect. There is no rapid tolerance. Anesthetized rabbit intravenous injection of Uncaria decoction 2-3g/kg or anesthetized intravenous injection of the decoction 0.05g/kg, can make the blood pressure lower than the original level by 30-40% for more than 3-4 hours. Anesthetized cats were intravenously injected with 6.25 g/kg of civet decoction, total alkaloid hydrochloride was 20 mg/kg, and rhynchophylline hydrochloride was 20 mg/kg. Blood pressure showed three-phase changes: first, blood pressure decreased, and then quickly recovered. , and then fell again, the blood pressure reduction rate of 30-70%, 13.9-23.2% and 11.7-41.7%, respectively, to maintain 3-4 hours. However, decoction of Uncaria decoction for a long time will reduce the antihypertensive effect, and it is advisable to fry within 20 minutes. The degree of decompression of 3 g/kg of ethanol extract of Moring was similar to 2 g/kg of decoction. Intravenous injection of rhynchophylline 20mg/kg or rhynchophylline 20mg/kg all have antihypertensive effect; Rats fed rat rhynchophylla total alkali 50mg/kg. days 20 days or rhynchophylline 50mg/kg. days 15 days, All have significant antihypertensive effect. Kidney-type hypertensive rats were given intragastrical decoction of 8g/kg, rhynchophylline 50mg/kg and rhynchophylline 50mg/kg once daily for 15-20 days. 5 days began to decline, the 7th to 15th days to a minimum, the average blood pressure were 16.9mmHg, 12mmHg and 18mmHg; rhynchophylline 20mg/kg, intraperitoneal injection, can make the blood pressure on the day of the rats, medication for 8 days, the average drop Press 24mmHg. Twelve dogs were anesthetized and their blood pressure decreased after constant intravenous infusion of rhynchophylline total base 20 mg/kg; cardiac output increased first and then decreased slightly; total peripheral vascular resistance decreased significantly in the early stage of blood pressure reduction; heart rate significantly decreased; heart rate The amount has increased significantly. Rhynchophylline reduces blood pressure by decreasing peripheral resistance (early) and reducing cardiac output (later).

From the effects of Sinomenine on myocardiac mechanics in anesthetized dogs and cats, dp/dt was used as a multi-indicator comprehensive analysis. In the determination of dp/dt, the left ventricular wall muscle tension was measured with a strain gauge arch as a myocardial contraction. The force index, combined with a small load-dependent response, reflects the acute change in the level of contraction performance of sensitive VcE-type indicators, and observes the muscle strength effects of A. gondii. Intravenous injection of rhynchophylline 20mg/kg, significantly reduce the myocardial contractility index such as LVP, dp/dtmax, LVMT, Vpm, and Vmax; rhynchophylline can reduce intraventricular pressure, so TTI decreases, indicating myocardial energy and O2 Reduced consumption may have protective implications when the supply of the heart muscle is insufficient. Although Rhynchophylline has a significant negative inotropic effect and can reduce O2, however, the indicators tend to recover about 15 minutes after the drug, indicating that the effect of inhibiting myocardial contractility is reversible. The antihypertensive effect of the drug is related to the contraction of the myocardial contractility, in addition to the expansion of the blood vessels and the decrease of peripheral resistance. The isolated rabbit thoracic aortic strips were used to investigate the mechanism of rhynchophylline dilating blood vessels and compared with verapamil. Both can decrease the contractile tension caused by K+ and norepinephrine, and the effect of K+ contraction is significantly greater than that of norepinephrine. The two drugs significantly attenuate the intracellular Ca+ release portion of the norepinephrine contractile response, and cause K+ to go to The effect of adrenaline and Ca2+ was shifted to the right, and the maximum response pressure was low, indicating that Sinomenine blocks extracellular Ca2+ influx and intracellular Ca2+ release, and its characteristics are similar to that of verapamil. The rat vinegar extract of methanol gives intravenous injection of 0.1 mg/kg to rats, which also has strong and long-lasting antihypertensive effect.

Effects on hemodynamics: The hemodynamic effects of rhynchophylline on conscious rats showed that LVSP, Vmax, and dp/dtmax immediately decreased significantly, with decreases of -7.8%, -15.9%, and -23.2%, respectively. After 5, 10, and 20 minutes of maintenance, it gradually returned to pre-dose levels, with the LVSP being significantly higher than the pre-dose at 90 minutes. SAP, DAP, and MAP all also dropped immediately. The decrease in SAP's maintenance time was shorter than the last two items and recovered at 30 minutes. Although DAP also recovered slightly at 30 minutes, it was below normal at 60 minutes. MAP is always below normal during observation. From the absolute value and percentage of SAP and DAP decline, DAP is greater than SAP. The LVEDP increased significantly immediately after the drug was given, and fell to below the pre-drug level after 1 minute. HR immediately decreased significantly with a maximum change of 35.3%, which was consistently lower than pre-drug levels during the 90-minute observation period. The LVP-(dp/dtmax) P-1 LOOP was significantly reduced, most markedly at 1 minute after drug administration, and gradually returned to normal.

2, sedative and anticonvulsant effects:

Radix Astragali alcohol infusion 2g/kg subcutaneous injection, the guinea pig experimental epilepsy prevention and control, can prevent epilepsy occurred, but the relapse will be 3 days. At the same time, it can also prevent guinea pigs from causing irritability due to shearing in the epileptic area.

3, the impact of uterine smooth muscle contraction response: smooth muscle cell contraction response must be involved in the activation of contractile protein in the participation of Ca2+ can be achieved. The high K+ solution depolarizes the uterine smooth muscle and opens the potential-dependent Ca2+ channel (PDC) on the cell membrane, which induces the Ca2+ influx to induce a longer time contraction of the uterus. Verapamil relaxes this contractile response in a time and dose-dependent manner, suggesting that it inhibits PDC and blocks Ca2+ influx. Sinomenine also has the same effect, indicating that it may also inhibit PDC. Rhynchophylline also inhibited oxytocin-induced contraction of isolated uteri in rats and increased with increasing doses, and was counteracted by the addition of excess CaCl2 (2 mM).

4. Other effects: Alkaloids can inhibit ex vivo and in-flight frog hearts and rabbit hearts. And can inhibit the frog and mouse breathing and reduce the role of the pupil. Capillary alkaloids and dehydroabietin caprine ia anesthetize dogs at 3–1000 μg/dose, with dose-dependent diastolic hind limb blood vessels, similar in intensity to papaverine. Rhynchophylline exerted a dose-dependent inhibitory effect on the contraction of the colonic band after Ca2+ depolarization induced by acetylcholine or hyperkalemia. The dose-response curve showed that rhynchophylline antagonized CaCl2 in a non-competitive manner. Castanospermine has significant inhibition of platelet aggregation and antithrombotic effects on the electrophysiological effects of the myocardium as the dose increases.

GS-441524 FIPV CATS

Feline Infectious Peritonitis (FIP), referred to as Feline Infectious Peritonitis (FIP), is a fatal abnormal immune response that occurs in cats. It is caused by the mutation of the feline coronavirus carried by cats. As a high-incidence and fatal disease of pet cats, the current incidence of feline abdominal transmission is about 10%. 

 The symptoms of cats are usually divided into two categories, namely wet FIP and dry FIP, of which wet FIP accounts for the majority of all cases. About 70%, manifested as abdominal pleural effusion, abnormal bulging; dry FIP cats have different symptoms, depending on the type of organ affected by the virus.   

So far, all feline feline feline treatments are based on the characteristics of the disease, and GS-441524 can play a role in the treatment of feline feline disease. Therefore, the therapeutic effect of GS-441524 is obviously more ideal, the dose used is less, the treatment cycle is shorter, and the efficacy, safety and convenience of operation are all good. Because of this, GS-441524 is considered by many pet owners and veterinarians to be a magic medicine that can effectively treat feline abdominal infection.  

Gs 441524 Fip,Fip Treatment Gs441,Gs 441524 Fipv Cats,Gs 441524 For Fip

XI AN RHINE BIOLOGICAL TECHNOLOGY CO.,LTD , https://www.rhinebiotech.com

Inner Mongolia Stadium Wireless Monitoring Solution

Rugby Jerseys

Guangzhou Dandy sporting goods Ltd which is located in Guangzhou city, China, is a professional manufacturer specializing in producing and creating sportswear based on clients` requirement. We have our own factory and office. It occupied more than 500 square metres and have more than 150 employees. We mainly handle export of garments from cheer uniforms, leotards, soccer kits, rugby kits, basketball kits, tracksuit and other practice wears for more than five years with high quality but competitive price. With importing machines, ink, crystals, etc. , we did specialize in sublimated sportswear and all stars dance wears. Moreover, we provide OEM/ODM service for each clients with custom design, color, size fabric, etc. With rapid respond, غير مجاز مي باشدt effective and high quality jerseys and professional recommendation on apparels we have a strong customer base. With the solid production, rich experience and advanced manufacturing process, we had previously cooperated with many brands and clients from all over the world.

Rugby jerseys:  It's made from polyester& spandex. We apply for durable triple threads. The prices are based on the quantity valuing $ 18 per set. We have been enjoying a high reputation with more than 7 year of experience and high quality but low price 

Rugby Jersey,Sublimated Rugby Jerseys,Custom Rugby Jerseys,Rugby Practice Jerseys

Guangzhou Dandy Sporting Goods Ltd  , https://www.dandysportswear.com

With the development of science and technology, people pay more and more attention to the environmental health. The bamboo fiber fabric is quietly entering the people's life and deeply loved by consumers.

Bamboo fiber is an ecological, environmentally friendly textile raw materials, the product won the national key new products and national technology innovation award. Bamboo fiber with natural antibacterial, UV and breathable moisture, health and beauty functions, known as cotton, linen, silk, wool after the fifth largest natural fiber, a well-known new fiber brand, selling domestic and foreign markets, markets The prospect is very good. It can be pure spinning, but also with cotton, linen, silk, Tencel, Modal, polyester, spandex and other raw materials blended.

Shenzhen Tianzhu Ecological Clothing Co., Ltd. under the Jilin Chemical Fiber Group's subsidiary, Tianzhu brand with its strong product development, design and known. The product line is smooth, well-structured, comfortable to wear, fashionable, practical, soft and smooth texture, hygroscopic breathable, antibacterial antibacterial, health and environmental protection, but also its low-غير مجاز مي باشدt high-quality won the favor of consumers around the world. Mainly engaged in apparel, towels, underwear , socks, bedding, etc., unique lightweight design and unique characteristics of bamboo fiber, in the international similar products, especially unique, leading the fashion trend, to create a new pattern of bamboo fiber market.

Bamboo underwear to ensure that all underwear fresh and soft, enhance the body's detoxification, antibacterial antibacterial, pest control moth. From the beginning, the rise of Tianzhu underwear industry is starting from the quality of the product now basically has returned to the upgrading of fabrics. Made of the latest nano and bamboo charcoal fibers. It is the darling of the new market, quickly set off a popular global storm. Tianzhu underwear with its almost perfect product, close to the female body shape health, and guide the body magnetic field natural detoxification, integration of fashion models, the perfect scientific and scientific said.

Trailer Belt

more than 10 Years manufacture experience,Quality and delivery time guaranteed,Price and Service Supplied

Polyester twisted rope is highly resistant to ultra-violet rays, stays flexible and does not shrink or harden,does not float .Low stretch, abrasion resistant. Spliceable. Resists chemicals.

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- Author: Ruan Guangfeng

The addition of soy oil and other cooking oils to add copper chlorophyll as the olive oil is a typical food adulteration behavior. Whether it is harmful or not, it should be severely cracked down.

Recently, the media reported that Taiwanese food companies are suspected of incorporating soybean oil into copper chlorophyll and selling it as olive oil. It is reported that the long-term consumption of oil mixed with copper chlorophyll will harm the liver and kidney [1]. What is copper chlorophyll?

Copper chlorophyll is also called chlorophyll copper. It is a derivative of chlorophyll. Copper chlorophyll sodium salt, chlorophyll copper potassium salt are also commonly used. It is often used as a colorant in the food industry, which is also known as the pigment.

Chlorophyll is the most widely distributed natural pigment on the earth. It is mainly found in green plants. However, chlorophyll is extremely unstable. There is a magnesium ion in the structure of chlorophyll. The magnesium ion is very unstable, and it easily falls out and discolors. It is difficult to be applied in the food industry. In order to solve this problem, people replaced this easily removable magnesium ion with other metal ions. Copper ions, sodium ions, and potassium ions are commonly used to obtain chlorophyll derivatives, namely, sodium copper chlorophyll and potassium copper chlorophyll. In practice, people generally extract chlorophyll from silkworm and other plants, and then obtain chlorophyll derivatives after saponification and copper substitution [2]. People often regard it as a kind of natural food color, and they can also be synthesized artificially [ 3].

The copper chlorophyll sodium salt is widely used as a colorant in the food industry. In China's food additive standard GB2760-2011, the sodium copper chlorophyllin can be used in frozen drinks, canned vegetables, cooked beans, processed nuts, confectionery, baked goods, fruit and vegetable juices, prepared wine, etc. More than 0.5

g/kg.

In addition, sodium copper chlorophyll has also been used in medicine. Medical research shows that copper sodium chlorophyll or its derivatives can be easily absorbed by the body, promote the metabolism of body cells, promote the healing of gastrointestinal ulcers, and promote the recovery of liver function. It is often used to treat Infectious hepatitis, stomach and duodenal ulcers and other diseases.

However, the scope of application of copper chlorophyllin in food does not include edible oil. Therefore, if businesses use sodium copper chlorophyllin as an edible oil, whether it is harmful or not, it is in violation of Chinese laws and regulations and should be severely punished.

Since it is not allowed to use, why do businesses add copper sodium chlorophyll to edible oil? It is for profit. According to a report released by the U.S. Department of Agriculture in September this year, the average price of sunflower oil in the U.S. market from October 2012 to September 2013 was 1,456 U.S. dollars per ton, or about 9,000 yuan per tonne; the average price of soybean oil per ton It is 1049 U.S. dollars, or about 6,500 yuan. The price of imported genuine extra virgin olive oil is between 32,000 and 36,000 yuan per ton. Even with the غير مجاز مي باشدt of sunflower oil, the غير مجاز مي باشدt per ton of edible oil is only about one-third that of genuine extra virgin olive oil. Under the temptation of huge interest, it's no wonder that the merchants will go to sunflower oil and soybean oil. Adding copper chlorophyllin as olive oil is sold. This incident is typical of food adulteration and should be severely cracked down.

Many virgin olive oils on the market are yellow-green in color because they are not fully refined and contain some chlorophyll. As a result, many people think that as long as it is olive oil is yellow-green, which has become an important basis for people to choose olive oil. In this incident, people's misunderstandings were also used by businesses.

In fact, olive oil is not all yellow-green. The color of olive oil comes mainly from chlorophyll and carotenoids. The fully refined olive oil is yellow because it fully removes pigments such as chlorophyll. Due to the difference in pressing pressure and refining degree, olive oil will show different colors. The deeper the refining, the lighter the green color of olive oil is, and almost pure yellow. In addition, since chlorophyll is easily oxidized, even if it is yellow-green virgin olive oil, the chlorophyll is gradually stored for a long time, and the chlorophyll oxidation gradually loses its green color, and almost yellow remains. This also suggests that consumers should not only look at the color when choosing olive oil.

Illustration of different colors of olive oil

However, consumers do not have to worry too much about eating this kind of oil would be harmful to health. The Joint Expert Committee on Food Additives (JECFA) under the UN Food and Agriculture Organization and the World Health Organization conducted a safety assessment of the sodium copper chlorophyllin that the LD50 for copper sodium chlorophyll was >10000 mg/kg (mouse oral) and ADI was 0. -15mg/kg [4]. China's residents' dietary pagoda recommends that the amount of edible oil does not exceed 25 grams per day. If it is reasonably consumed, it will not exceed the ADI value at all and it will not cause harm to human health. What needs to be reminded is that olive oil is oil after all, even if it is a relatively healthy oil, but eating more will increase energy and increase body weight, which is also not good for health.

References:

-------------------------------------------------- ------------------------------

[1] Taiwanese issue edible oil was recalled in Wenzhou, a total of 60 bottles have been recalled 12 bottles

[2] Wang Xiudong, Lou Feiqun, Jia Tianliang, et al. Study on the factors affecting the stability of sodium chlorophyllin. China Pharmaceuticals, 2012, 21(14):20-21.

[3] Yang Jisheng, He Xuezhi. The properties, preparation process and application of sodium copper chlorophyllin. Guangzhou Food Industry Science and Technology, 2002, 18(2): 33-35.

[4] Summary of Evaluations Performed by the Joint FAO/WHO Expert Committee

On Food Additives. CHLOROPHYLLINS, COPPER COMPLEXES, SODIUM AND POTASSIUM

SALTS.

FROZEN SQUID PRODUCTS

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Zhoushan Fudan Tourism CO., LTD , https://www.fudanfood.com

With the popularization of broadband in China and the continuous improvement of the speed of the Internet, the application of videoconferencing has been widely developed in China. At present, many large enterprises have deployed professional video conferencing systems. However, due to historical reasons, our country skipped the development stage of the conference call and entered the video conference stage directly. This development has caused many people to think. Videoconferencing is a manifestation of high technology, and teleconferencing is a backward technology.

In fact, we noticed that large companies in foreign countries are all based on IT services for videoconferencing and teleconferencing. Many companies do not have video conferences but there must be a conference call. This is not the reason behind the conference call. Instead, the conference call has an irreplaceable position in improving enterprise efficiency. It is an efficient and practical collaborative communication mode. It is not only irreplaceable now, but will also maintain its basic communication service status in the future. Videoconferencing Issues Videoconferencing is indeed a collaborative communication method with a good experience, but its use conditions are relatively demanding.

Under no circumstances can not be held electricity can not be held without a net advantage of a bad case of network quality case with good effects can not be held video conferencing deployment of high غير مجاز مي باشدt, high غير مجاز مي باشدt

conference call
The conference call has an irreplaceable advantage. It is also the most convenient and highly accepted collaborative communication method.

Like a blackout, you can open a conference call without depending on the network. Everyone has a phone without using a designated conference room. The use and deployment غير مجاز مي باشدts are low.

How to make two conference exchange

how to make the advantages of video conferencing and conference calls are played out, according to the actual situation of enterprises the flexibility to use two meetings. For example, let the conference call and video conference interworking, so that people who can not reach the scene at the moment can use mobile phones, telephones to participate in video conferencing. The conference call can also be used as a backup for video conferences. When there are problems with the video conference or the network is not good, the conference call can be completed in time. This point has particular significance for state-owned enterprises, companies and institutions that need to be established. In response to this demand, the Desit teleconferencing system leverages its strong integration and interfacing capabilities. Supports interfacing with MCUs of various brands of videoconferencing through SIP and H.323 protocols. At present, there are multiple brands of video conferencing MCUs such as Polycom, Huawei, ZTE, Cisco, AVAYA, Warburg, V2, and Kodak. Only one audio endpoint of the video conference is occupied. The conference call can be accessed from 8-party to 500-party conference call with flexible configuration. Especially with the Polycom RMX series MCU docking, but also can automatically determine the status of the video terminal to achieve automatic call drop calls and other functions, for many customers to provide a personalized conference call and video conference integration backup program, has been praised. The Polycom RMX MCU communicates with the Huixun conference call using the Polycom RMX2000 and the Huixiong MEC3000E as an example. Let's see how this feature is used and configured.

Single Screw Extruder Screw and Barrel

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Passive infrared detectors are a type of detector that is most commonly used in security engineering. However, for its normal use, it is necessary to prevent omissions, but also reduce false positives. In particular, how to reduce the number of false positives to the minimum is a subject that is facing the majority of engineering designers. To achieve this, we must first understand some of the basic concepts and technical characteristics of passive infrared detectors, so that in accordance with these basic technical characteristics, from the installation, debugging, use and other aspects, in accordance with the basic technical characteristics of the detector, In order to maximize the detector's maximum efficiency.

1 passive infrared detector infrared detection basic concept

in the warning range, why people passive infrared detector alarm signal can occur when you move it?

In nature, any object higher than the absolute temperature (-273 degrees) will produce an infrared spectrum. At different temperatures, the wavelength of the released infrared energy is not the same, so the infrared wavelength is related to the temperature.

There are two key components in the PIR detector. One is a pyroelectric infrared sensor (PIR). It can convert the infrared signal with a wavelength between 8 and 12um into electrical signals and can be used in nature. The white light signal has an inhibitory effect. Therefore, in the vigilance zone of the passive infrared detector, the pyroelectric infrared sensor senses only the background temperature when there is no human body moving. When the human body enters the vigilance area, it passes the Fresnel lens and heats. The infrared sensor senses the difference between the human body temperature and the background temperature. Therefore, the basic concept of infrared detection by the infrared detector is to sense the temperature difference between the moving object and the background object. Another device is the Fresnel lens, Fresnel lens has two forms, namely refractive and reflective. The Fresnel lens has two functions: one is focusing, that is, the infrared signal of pyro is refraction (reflection) on the PIR. The second function is to divide the alert area into several bright and dark areas so as to enter the alert. The moving object in the area can generate a change pyro-infrared signal on the PIR in the form of a temperature change, so that the PIR can generate a changing electrical signal.

Moving the infrared detector 2 warning area sensor Model

in any one of the PIR sensor model has its factory specification viewport FIG.

What information can we learn from this model?

The height at which the detector should be installed. ● The angle of view of the detector under the viewport should be ● The farthest guard range. ● The widest guard action distance. ● The guard angle. ● The direction of the visual sensor. With this information, you can detect the passive infrared. The device has a basic understanding and will be very helpful for the correct use of passive infrared detectors.

About 3 passive infrared detector anti-pet function

passive infrared detectors to today, technically mature, anti-small pet is a passive infrared detector important functions, each manufacturer The treatment of confronting small pets is different, but there are two ways: one is the physical method, which is to reduce the probability of false alarms caused by small pets by changing the fresnel lens's segmentation method. This method is superficial and the effect is also limited. The second way is to use probing signal processing and analysis. Take AS-910DT of our company as an example, it is mainly to collect data of the detected signal, and then analyze the signal cycle, amplitude and polarity.

These factors specifically reflect the speed of the moving object, the amount of heat released infrared energy, and the displacement per unit of time. The microprocessor in the detector analyzes and compares the collected data to determine whether the moving object may be a human or a small animal.

From this point of view, we must pay attention to the function of the PIR-detector's anti-small pet is relative. This kind of relativity includes two aspects. One is that the prevention of pets is relative, and the false alarm rate is greatly reduced compared to the detector without the pet protection function. It has a certain limit on the number and size of small pets. The second aspect is that the installation location must have certain requirements. It is not a random installation that can achieve the function of preventing pets. When installing, it is necessary to carefully understand the specific requirements of the detector's instructions.

Microwave detector principle

4 Dual Technology detector Doppler principle in physics tells us that in the microwave band, when in a transmit frequency in the range of microwave energy, although covered, when When there is a moving object, it will be reflected at another frequency so that there is a frequency difference between the transmission frequency and the reflection frequency. This frequency difference is related to many factors, including the speed of the moving object, and the radial angle of the detector. The principle of microwave detection is theoretically more complicated. However, in the Shuangjian detector, in addition to understanding the basic concepts of microwave detection, we also need to understand that the propagation of microwaves has a penetrating effect on buildings. Therefore, if Shuangjian detectors are installed indoors, if the sensitivity is adjusted improperly It is possible to radiate outdoors, which may cause false alarms.

Passive infrared detector 5 mounted

Considerations Because passive infrared detector is a kind of weak signal detection apparatus, the installation must pay attention to some of the details of the problem, such as high sensitivity and the like. Correct installation of a passive infrared detector, you must master the following aspects of information: First, the performance characteristics of the detector must be understood, and secondly, a reasonable position to determine the installation, and finally must be carefully adjusted. It cannot be said that the detector can be alarmed to indicate that it is installed. How to determine the installation position of a passive infrared detector?

* According to the instructions to determine the normal installation angle Mounting height is not arbitrary, it will affect the sensitivity of the detector and the effect of preventing pets. Imagine a detector mounted at a height of 2M and a height of 2.5. When the moving object moves from the ground, the frequency of cutting the bright area and the dark area is different.

* Should not face the glass doors and windows Passive infrared detectors are facing the glass doors and windows, there will be two problems: First, white light interference, apparently PIR has a strong suppression of white light, but after all, is not 100% inhibition. So avoid facing the glass doors and windows, you can avoid strong light interference. The second is to avoid complex environmental disturbances outside doors and windows, such as crowd movements and vehicles.

* It is not appropriate to have a close relationship with the change of temperature for the passive infrared detectors of hot and cold vents or cold and heat sources. Hot and cold vents and cold and hot sources may cause false alarms. For some low-performance detectors, air convection through windows and doors sometimes causes false alarms.

* It is not appropriate for objects that are easily oscillating on objects that are easy to oscillate to make microwave detectors work. Therefore, false alarms may also be caused. The ancient attention to the purpose of installing detectors on the illegal invasion route was sufficient to prevent the criminals from making illegal intrusions. Before determining the installation location, it was necessary to consider the main population of buildings. In fact, we have prevented entrances and exits and intercepted illegal intrusions. This has achieved our goal.

* Reasonable selection of passive infrared detectors with a variety of models. For example, our company's Oram ALARM series, from 10 meters to 25 meters, from dual infrared to dual Kam, from pet-proof to shelter, from wall-mounted to ceiling-mounted, then the detector to be installed Must consider the actual situation such as preventing the size of the space, the surrounding environment, the characteristics of entrances and exits. Sometimes consider replacing models to meet requirements.

6 Commissioning

After installing the detector, the detector is the final commissioning work to be done. There are two methods for the commissioning of passive infrared detectors. One is the step-by-step measurement. The commissioning personnel walks the s-type line in the alert zone to sense the length of the alert range, which can be understood from the figure.

Microwave sensitivity and infrared sensitivity should be adjusted separately by step-by-step method. Too high or too low sensitivity will affect the prevention effect. Sometimes due to seasonal changes, sensitivity is adjusted separately in winter and summer. Microwave sensitivity must not be too large, because microwaves are only penetrating, and care should be taken during commissioning.

The second method is meter measurement. Some detectors have a background noise voltage output interface, such as the Orem ALARM detector, which is tested with the voltage of the multimeter. When the detector is in alert state, the output voltage of its static background noise is The size of the interference indicates the degree of interference from the source of the interference to determine if this location is suitable for the installation of such detectors.

The above part is just an analysis of the basic commonality of the use and installation method of passive infrared detectors by the author. It is based on the product technology of Dixon. Each brand has its own unique method in infrared processing, so we are using installation. Before, we must read the instructions carefully. The most important thing is that through the accumulation of actual work experience, the characteristics of the detector must be able to have a deeper understanding, so as to better play the role of passive infrared detectors in security engineering.

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