Use, maintenance and purchase of pipettes (pipettes)
In the research of analytical testing, a pipette is generally used to measure a small amount or a small amount of liquid. The correct use of the pipette and some of its details are ignored by many...
Vaccine of COVI-19 will soon be in the market,How to inject it safely?
【Precautions for Syringe Injection】 When using a syringe to inject, you can quickly select the injection volume and repeat the adjustment (regular ± 5% error, skilled ± 1% error). When using a...