L-theanine is a tea specific amino acid, C7H14N2O3, that makes up 1% to 2% of the weight of dried tea. Theanine was separated from green tea for the first time in 1950. It is the characteristic amino acid of tea, and it is also one of the fla...
Graphite electrode mainly petroleum coke, needle coke as raw material, coal pitch as binder, calcination, ingredients, kneading,molding, baking and graphitization, machining and made, which is released in electric arc furnace in the form of arc conductor of electricity to heat melting furnace charge, with low resistivity, good conductivity, low ash, uniform and compact structure, good oxidation resistance, high mechanical strength, etc.
Winner2000ZD/Winner2000ZDE intelligent laser particle size analyzer, perform auto test, auto alignment, auto water supply, auto drainage, auto bubble removal, auto ultrasonic dispersion, auto cleani...
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