• A new method of HPLC pre-column reaction detection for guazatine analysis was developed.

    本文研究HPLC双胍辛胺-安息香柱前反应检测分析方法。

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  • If you take some from column one or two and you mix it with some from column eight and nine, bingo, you have reaction.

    如果你从第一列或者第二列中选出一些元素,将其与第8列或者第9列的元素混合,好,就会发生化学反应。

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  • It's a rapid chain reaction that makes the whole column boil at once, erupting a spout high into the air.

    这就是个迅速的连锁反应,整个柱状水立刻沸腾起来,喷发出冲向高空。

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  • The conversion rate from AA into PGG2 and PGH2 by chemical reaction and column chromatography was about 34%. The purity of endoperoxide products was more than 90%.

    通过化学反应和柱层析,AA转变为PGG_2和PGH_2的转换率大约为34%,前列腺素内过氧化物的纯度可达90%以上。

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  • It consists of FIA system, semiconductor thermostat, immobilized enzyme reaction column, thermal sensor and data collection module.

    主要由流动注射分析系统、半导体恒温器、固定化酶反应柱、量热传感器、数据采集模块组成。

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  • In reaction process P-zeolite first appears the short column crystal and then the crystal pattern changes from short column to rhombohedron with reaction time lasting.

    在反应过程中,P沸石首先呈短柱状结晶,随着反应时间延长,结晶形态发生变化,由短柱状向菱面体过渡。

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  • In in-column derivatization reaction chromatography, the chosen analyte was the free formaldehyde in building materials.

    在柱内衍生反应色谱法中,选择的分析对象为建筑材料中的甲醛测定。

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  • Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel .

    反应是在装有分馏柱的反应器中进行的,分馏柱能让醛通过但使醇回流到反应器中。

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  • The TDI and internal standard chemicals can be separated better and the side reaction is reduced at lower column temperature by use of SE54 capillary column and FID detector.

    选用SE54型毛细管柱、氢火焰离子化检测器,以三氯代苯为内标物,采用较低的柱温,使内标物与TDI更好地分离,减少了副反应的发生。

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  • The ethyl acetate is synthesized in reaction distillation column with acid natural zeolite as catalyst.

    以酸性天然沸石为催化剂,在催化反应精馏塔中进行了合成乙酸乙酯的研究。

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  • The ethyl acetate is synthesized in reaction distillation column with acid natural zeolite as catalyst.

    以酸性天然沸石为催化剂,在催化反应精馏塔中进行了合成乙酸乙酯的研究。

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