转化率

The system adopt new materials and new technology,including such equipment as the following:a stainless and carbon steel-fabricated converter and dice and doughnut-type gas heat exchanger with big-orifice baffles and wavy pipes,anodically protected stainless steel acid coolers and pipes,a heat-pi...

该系统在设计中积极采用新材料、新技术，成功地应用了不锈钢和碳钢相结合转化器、阳极保护不锈钢酸冷却器及管道、热管省煤器、新型大孔板波形管碟环式换热器、DCS控制系统等。2年多的生产运行情况表明，装置运行可靠，技术指标先进，生产控制指标达到或好于设计值，总转化率达99.87%，吸收率达99.99%。

It was firstly to biosynthesis arbutin in hairy root of P.multiflorum .

本研究大大提高了以生物转化方法生产熊果苷的产量和转化率，并达到了3 L大瓶培养规模。

Amination reaction was carried out at temperature of 90℃ to 150℃ for 2h to 10h and then ashless dispersant of polyisobutylene succinimide would be obtained after dehydration with the operations of vacuum distillation and filtration.

结果发现，实验在N_2保护下进行，BPO／PIB质量比为0.035，MA／PIB摩尔比为1.3，反应温度为150℃，反应时间为12h，搅拌速率为250rpm，引发剂过氧化苯甲酰以丁酮为溶剂分六次，时间间隔为30分钟，均量地加入反应器时，烃化反应物聚异丁烯的转化率最高。

The catalytic degradation of asphaltic sand swas related to the kinds of chloroaluminate ionic liquids and H^+ proton donor.

结果表明以上各种离子液体均有很高的催化活性，反应转化率在短时间内达到100％。

Under the optimum reaction conditions,:benzalacetone:Ru:KOH=1000:1:20, 2 MPa, 30℃, and 2h, the conversion and the selectivity toward the unsaturated alcohol was reached 99% and 99%, respectively, and the ee value of unsaturated alcohol was over 58.9%.

在优化的反应条件下，苄叉丙酮加氢反应的转化率大于99％，生成α，β-不饱和醇的选择性大于99％、对映选择性达到了58％ee以上。

Compared with thermal cracking of JP-10, the conversion ratio of the catalytic cracking in the temperature range from 500 to 650 ℃ is evidently enhanced. The predominant products of the catalytic cracking are methane, ethane, ethylene, propane, propylene, benzene and benzenoid hydrocarbons.

在500～650 ℃温度范围内，与热裂解相比，分子筛催化可显著提高裂解转化率，主要产物有甲烷、乙烷、乙烯、丙烷和丙烯，以及苯和苯的同系物等。

The experimental results show that using the feed technique of "starved state" can raise the conversion ratio of monomers, shorten the reactive time and get polymers with much more even distribution of molecular weight; the technique of adding azobisisobutyronitrile as an initiator first and then benzoperoxide as another initiator at later Stage of experiment can get higher initiating efficiency than using one initiator only.

结果表明：采用&饥饿态&聚合工艺可提高单体转化率，缩短反应时间，且所得到聚合物相对分子质量分布均匀；选用偶氮二异丁腈和过氧化笨甲酰两种引发剂进行复配，比选用单一引发剂的引发效果好；选用酯酸丁酯、正丁醇和丙二醇甲醚丙酸酯作混合溶剂，当配比为2：1：1时聚合体系稳定，聚合物的固体质量分数可达70%，且粘度适中。

It was found that both the conversion and the initiating efficiency of methyl methacrylate polymerization system were decreased in the presence of small amounts of addition inhibitions 2,4,6-trinitrophenol or Benzoquinone, the system exhibited some retardation characteristics; at the same time, the molecular weights of obtained polymers was small and the molecular weight distributions was narrow, it was suggested that this polymerization system exhibited some ""living""/controlled radical polymerization characteristics.

发现在甲基丙烯酸甲酯的普通自由基聚合体系中加入少量的加成型阻聚剂2，4，6-三硝基苯酚或1，4-苯醌时，体系转化率降低，引发效率降低，呈现出一定的缓聚性质：同时得到的聚合物分子量变小，分子量分布变窄，具有一定的&活性&/可控的特征。

The best operational parameters were that the reaction temperature was 105℃, the reaction time was 3 hours, the mixture ratio of n: n=1:2.79, using N,N-dimethyl benzylamine as catalyst, and 2,6-Di-tert-buthyl-p-cresol as inhibitor.

结果表明，合成TGICA的最优化条件为：n/n=l：2.79；催化剂为N，N－二甲基苯胺；阻聚剂为2，6－二叔丁基对甲酚；反应温度(105±2)℃；反应时间3h。丙烯酸的转化率可达到99.7%。

The biosynthetic mechanism of y-PGA was studied and the strain showed some unique characteristics.

聚谷氨酸生成浓度、产物合成的速率和对底物的转化率均达到了国际先进水平。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！