Commonly used vacuum pump Pinyin code and name

According to the provisions of the People's Republic of China Machinery Industry Standard JB / T7673-95, made a variety of domestic vacuum pumps from the basic model and the auxiliary two parts, the middle of a horizontal line. Its expression pattern is 123-456. The number 123 in the grid represents the base model and 456 the auxiliary model. Domestic vacuum pump models are usually shown in Table 3-2 Chinese pinyin letters. If in front of pinyin letters with 2 words, it means that the pump in the structure for the two-stage pump. In some vacuum pump series, the pumping speed is divided by geometric series. Its unit is L / S. Divided into 18 levels, respectively, 0.2,0.5,1,2,4,8,15,30,70,150,300,600,1200,2500,5000,10000,20000,40000. Vacuum pump series can sometimes be used to indicate the size of the pump inlet, the unit is mm. Due to the type of pump more, the selection should refer to different manufacturers of product brochures sample is very important. Table 3-2 Chinese Pinyin Code and Name of Common Vacuum Pump Code Name Name Code Name Reciprocating Vacuum Pump Z Oil Diffusion Jet Pump D Slicing Vacuum Pump S Sublimation Pump X Rotary Vane Pump LF Compound Ion Pump H Slide Valve Vacuum Pump GL zirconium-aluminum getter pump ZJ Roots vacuum pump (mechanical booster pump) DZ refrigerator cryogenic pump YZ trochoidal vacuum pump DG perfusion cryogenic pump L sputtering ion pump IF molecular sieve adsorption pump XD single-stage multi-rotary vane vacuum pump SZ Water ring pump F molecular pump PS water jet pump K oil diffusion pump P water vapor injection

Saliva Collection Kit

This product is used in collecting high-quality DNA/RNA samples from saliva and can be used in various biological experiments such as enzymatic hydrolysis, PCR, and next-generation sequencing. It is widely used for the collection and preservation of specimens in hospitals, scientific research institutions, and families. The collection process is easy and painless, and will not cause any damage or discomfort to the human body.

Features
♦ Contactless sample collection, less risk for healthcare workers.
♦ Suitable for all kinds of people, easy method to collect samples.
♦ Easy to use, non-invasive collection.
♦ Use medical PP material.
The Saliva Collection Kit is a complete kit made out of 100% polypropylene.
The funnel has been engineered to be intuitively easy to use and specifically designed to reduce user self-collection error by preventing flowback.
When saliva is captured in a sterile container, COVID-19 is stable at room temperature for up to seven days without the need for expensive reagents.


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