Analytical balance method

An analytical balance is an indispensable instrument for quantitative analysis. Full understanding of the instrument's performance and proficiency in its use is a guarantee of reliable analytical results. There are many types of analytical balances, including ordinary analyti.......

Radiator and valve basics

Heating radiator is the end of the family heating system cooling equipment, heating radiator principle is the natural convection of air, radiator heating comfort, no noise, no drying, high thermal efficiency, energy saving thermostat, each room radiator can be individually adjusted by the therm.......

Chongqing will build multiple chemical bases in China

According to the Chongqing Economic and Information Technology Commission, by 2012, Chongqing will also be built into a modern chemical equipment manufacturing highland and an integrated chemical industry base in the upper reaches of the Yangtze River, a Chinese aluminum processing capital, a .......