intermediate yield的例句大全

The test for the raising the tar treatment capacity of the tar distillation plant is described. It is pointed out that only the quality of raw material tar is stable, can the stable production of the tar distillation plant and intermediate yield and quality be guaranteed.

介绍了焦油蒸馏装置提高焦油处理量的试验情况，指出，只有原料焦油质量的稳定，才能保证焦油装置的稳定生产和中间产品的产率和质量。

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The reaction mechanism of di-n-butyl sulfide is investigated, and the key step of cracking reaction is the rupture of C-S bond to yield thiol-like intermediate in the cracking course of alkyl-sulfide compounds.

在丁硫醚的反应历程中，碳硫键的断裂生成类硫醇物种的一步是其裂解关键步骤。

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Benzaldehyde is an important organic intermediate product which is mainly manufactured by chlorination and hydrolysis of toluene. However, the disadvantage of low yield, poor product quality and serious environment pollution is unavoidable.

苯甲醛是一种重要的有机中间体，目前甲苯氯化水解仍然是苯甲醛的主要生产路线，但存在产品收率低、质量差和污染严重等缺陷。

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7-bromo-6-chloro-4 ( 3H)-quinazolinone is an important intermediate of anticoccidial drug halofuginone, which was prepared from nitrobenzene by bromination, reduction, condensation, cyclization and so on. The overall yield of the seven-step is 60%.

研究以硝基苯为起始原料，经过溴化、还原、缩合、环化等七步反应，合成了7-溴-6-氯-4（3H）-喹唑啉酮，总收率为60%。

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In seven steps, the key intermediate epoxy compound, to build cycle carbon-skeleton of Lycorine-type alkaloids, is synthesized in a total yield of 49.3%.

经七步反应，以49.3%的总收率得到构筑Lycorine型生物碱环碳骨架的关键中间体环氧化合物。

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The key intermediate, Ethyl 4-( 4-ethoxy-4-oxobutyl) benzoate ( 6), was obtained from benzene via Friedel-Crafts acylation, Huang reduction, saponification followed by acidification and esterification in 36.6% yield.

以苯作为起始原料，经过Friedel-Crafts酰基化反应、黄鸣龙还原、皂化和酯化等合成了其关键中间体4-（4-乙氧基-4-氧正丁基）苯甲酸乙酯（6），收率为36.6%。

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Firstly the intermediate 2-( 2-hydroxyphenyl) phenylphosphinic acid ( HPPA) was prepared in 92.5% yield through continuous esterification, acylation and hydrolysis.

首先将酯化、酰基化、水解反应连续进行，得到了中间体2-（2-羟基苯基）苯基膦酸（HPPA），收率92.5%。

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OBJECTIVE To establish a gel filtration chromatography ( GFC) for determination of conjugation rate and yield of intermediate;

目的：建立高效液相凝胶过滤色谱法测定偶联物的偶联率、中间产物的生成量；

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in the new process, the intermediate need not to separate from the reaction solution. the continuous process avoids the fluctuation which is unavoidable with the batch procedure. the total yield is more than 90% and purity of acetochlor technical can reach 96%.

研讨一种连续合成乙草胺工艺，新工艺中间体不经分离直接继续反应，连续工艺避免了间歇过程中不可避免的一些不稳定情况，总收率大于90%，乙草胺原药含量能达到96%。

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and that considering the effects of intermediate principle stress on plastic yield or not, obviously influences the results.

是否考虑中间主应力对屈服的影响，对解答也有明显的影响。

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Flexible exchange rates yield an intermediate outcome in the face of capital-flow shocks.

变动汇率在面临资本流动冲击时能产生一种缓冲的效果.

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Autopositive: A class of photographic materials that will yield a positive image from a positive original without an intermediate negative stage.

直接正片：一种照相材料，可以无须经中间负片的步骤而把正片原稿复制为正片。

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The yield measurement of the near-target products from the reaction of the intermediate energy ￣( 12) c ions with ￣( 209) bi thick targets

中能~（12）C离子同厚铋靶反应近靶产物的产额测定

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This will allow a maximum yield of the reaction intermediate which is the desired product.

这样可以得到最高产率的反应中间物,即目的产物.

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