Research on the best growth conditions and growth kinetics indicated that the proper culture temperature for thiobacillus ferrooxidans was 25～30℃,the best growth initial pH was 2.

Selection of optimum conditions for radioactive measurement;

It further points out the optimum condition of peeling.

Researching the synthesis experiment of 4-(o-hydroxyphenyl)-3-butene-2-ketone by three factors and three levels of orthorhombic method, analysizing and discussing two test targets, the author eventually determines the optimum condition of making aim product, which is the temperature, 18℃; agitation time, 18 hours; acidity, the volume of fifteen percent of sodium hydroxide, 110 milliliters.

The total pigment value reaches to about 350 u/mL under these optimal conditions.

9% and experimental investigation on optimum conditions of various processes and gives discussion and summary of laboratory test.

This present paper studied and selected the optimum conditions of LM to separate an.

Based on the bubbles equation and the theory of rectified diffusion ,this paper has soluted the optimum conditions of enhancement of cavitation by harmonic ultrasound superimposition using numerical method.

This paper introduces a new synthesis of ethyl acetate in the catalyst of ferrie chloride and establishes the best condition of ethyl acetate.

Objective:explore a scientism of the best condition to define the Aminophylline injection infrared spectrum to identification preparing disc in order to get satisfied infrared spectrum.

OBJECTIVE To expolre a scientism of the best condition to define the Menthol infrared spectrum to identification preparing disc in order to get satisfied infrared spectrum.