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...
Ice Bag History
In recent years, the market's hot “cool pad” has roughly two categories: one is a liquid cooler pad (including a cool cap). It uses water as a cooling material, and the natural evaporation of water...