查询词典 thin layer

The chemical constituents have been isolated from Delphinium tatsienense Franch Var Chinghaiense by column chromatography and preparative thin layer chromatography.

用柱层析、制备薄层层析等对青海翠雀的化学成份进行了分离，并用IR ，EA ，MS ，1HNMR ，13 CNMR及DEPT等光谱确定了化合物的结构，共分得 5种二萜生物碱，其中一种为新化合物，还分得一种非生物碱β谷甾醇

The chemical constituent s have been isolated from Delphinium tatsienense Franch Var Chinghaiense by column chromatography and preparative thin layer chromatography.

用柱层析、制备薄层层析等对青海翠雀的化学成份进行了分离，并用IR ，EA ，MS ，1HNMR ，13 CNMR及DEPT等光谱确定了化合物的结构，共分得 5种二萜生物碱，其中一种为新化合物，还分得一种非生物碱β谷甾醇。

Use the tongue depressor to apply a thin layer of the mixture over the area that you will want the hair removed from.

用舌头抑制剂适用一层的混合区，你将要超过头发除名。

DNA Fingerprinting ;; Traditional Chinese Drugs ;; Quality Control ;; Dermatoglyphics ;; Pictorial Works ;; Administration;; Chromatography, High Pressure Liquid ;; Chromatography, Thin Layer

DNA指纹法；；中药；；质量控制；；皮纹学；；图谱；；中药管理；；色谱法，高压液相；；色谱法，薄层

Because the properties of the products(such as fatty acids,fatty acid methyl esters,monoglyceride and diglyceride ,et al)are similar,usually many pieces of thin layer chromatographyplates are needed to obtain pure triglyceride for the 2-position fatty acid analysis.

由于反应生成物(如脂肪酸、脂肪酸甲酯、甘三酯、甘一酯、甘二酯等)的性质十分相似，要研究酯交换过程中甘三酯的Sn - 2位脂肪酸组成，所需要甘三酯的量往往需要很多块TLC板的分离才能实现，致使实验费用增加，效率降低。

In the use of any lead-free paste between drying oil, especially the relatalion been dryness was strong acidic liquid medicine and destroyed, and thus is a thin layer of ink are covered (often results in presigmoid suites of yellow).

3在搁置含有铅的浆状燥油时，尤其是用度功众时，燥油被硷性很不弱的药火爱护，从而被不厚不厚的不朱层所包围(不常还会导致整块版面的泛黄)。

DEMS combined with the dual thin layer flow through cell is a good tool for the quantitative study on the oxidation of small organic molecules.

微分电化学质谱仪与双薄层流动电解池结合是一个很好的定量研究小分子有机物氧化的有力工具。

Therefore, DEMS with the dual thin layer flow through cell can be used to measure quantitatively the formation amount or rate of the gaseous or volatile species produced electrochemically on massive electrodes.

因此，由此电解池与DEMS结合可以用来定量测量块状电极上产生的气体或挥发性物质的量或生成速度。

DEMS combined with the dual thin layer flow through cell was used to measure quantitatively the formation rate or amount of CO〓 and the consumption rate or amount of methanol during methanol oxidation.

本论文对一个新的双薄层流动电解池进行了表征。

To coat or cover with a thin layer of metal by electrodeposition.

他的书房是用薄板从起居室分隔而成的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。