用高效液相色谱对纯化样品进行了定性和定量分析，结果显示三次重结晶后胡萝卜素纯度为88.56%。
HPLC methods were used for the qualitative and quantitative analysis. The purity of carotene crystal was 88.56% by HPLC method.
钛对再结晶石墨制备过程的催化作用可以用液相转化机理来解释。
The catalytic role of titanium to preparing recrystallized graphite can be explained by the liquid phase transition mechanism.
方法利用液相色谱分离技术和重结晶方法获得冬凌草中的有效成分。
Methods Liquid chromatography and recrystallization were used to obtain the monomer of rubescensin A.
产品的提纯和酯分离可采用重结晶或其它分离技术，如液相色谱技术。
The purification of the product and the isolation of a crystalline ester is carried out by recrystallization or other purification techniques, such as liquid chromatographic techniques.
进行了过热度对出结晶器坯壳厚度、方坯表面温度、铸坯凝固过程中坯壳厚度和液相穴的影响的模拟分析研究。
The effects of superheat on the shell's thickness leaving mold, the surface temperature of casting blank, the shell's thickness in casting solidification and the length of liquid core were simulated.
两液相中结晶相的存在会严重影响HCD阳离子的配分性质。
The presence of solid phase, which is in equilibrium with both immiscible liquids, can seriously distort the partitioning patterns of the HCD elemnts.
用重结晶法对所合成的中间体进行了提纯 ，并用高效液相色谱对产物纯度进行了分析。
The intermediate were purified by recrystallization. The analysis of purity of the products was studied through HPLC.
“心里美”萝卜酒精提取物，经薄层层析、高压液相层析纯化后可得到天然色素为粉红色针状结晶。
Anthocyanin pigments in "Xinlimei" radish were isolated and purified by using alcoholic extraction, TLC and HPLC on C-18 column.
“心里美”萝卜酒精提取物，经薄层层析、高压液相层析纯化后可得到天然色素为粉红色针状结晶。
Anthocyanin pigments in "Xinlimei" radish were isolated and purified by using alcoholic extraction, TLC and HPLC on C-18 column.
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