转化率

Mechanisms of microsphere formation and methods to promote monomer conversion were also explained.

文中对微球的形成机理和提高单体转化率的方法给出了理论解释。

The optimum reaction conditions were found finally. The results showed that the suitable conditions are under methanol solvent reaction temperature 40℃,the concentration of catalyzer TS-1 0.6%.,reaction time 60 minutes,propylene pressure 0.4Mpa under methanol solvent.Under Supercritical fluid system,the reaction temperature was 33.7℃(supercritical and near critical temperature),the reaction pressure was 7.58Mpa(near critical pressure and critical pressure range. propylene ), propylene pressure 0.65Mpa, reaction time 45min, cosolvent molality 4%.

而超临界体系下反(来源：4e56ABC论文网www.abclunwen.com)应温度适宜在近超临界和临界温度(33.7℃)以上，反应压力也是接近临界压力或者处于临界压力范围(7.58Mpa)，丙烯压力是0.65Mpa，反应时间45min，共溶剂甲醇摩尔浓度4%，在此反应条件下，反应的转化率98%，选择性96%，收率94%，与传统条件相比较，收率提高了20%左右。

The effect of reaction temperature,reaction time,catalyst dosage and molar ratio ...

讨论了反应温度、反应时间、催化剂用量及投料物质的量比等因素对转化率的影响。

The results showed that conversion and molecular weight of polymer were increased with the use of the initiation system.

实验结果表明，使用复合引发体系可以提高反应的转化率和聚合物的分子量。

The melting salt oxidation of molybdenite in Na 2CO 3 Na 2MoO 4 Na 2SO 4 system has been studied.

研究了辉钼精矿在Na2 CO3 Na2 MoO4 Na2 SO4 体系的熔盐氧化过程，探索了不同工艺参数对钼的转化率和脱硫率的影响。

It was showed that with the increasing of polymerization time, monomer converting rate was improved.

对聚合条件的研究表明：随着聚合时间的增加，单体转化率逐渐提高。

In the presence of cobalt ion, nearly 100% selectivity to ortho-chloroanilinewas achieved over PVP-Ru/Pt colloids at 100% conversion of o-CNB, with an activity twoorders of magnitude higher than that of monometallic PVP-Ru colloid.

当在反应体系中加入钴离子时，邻氯硝基苯被高选择性地氢化为邻氯苯胺(邻氯硝基苯转化率为100%时，选择性～100％)，同时，反应的活性比PVP-Ru单金属胶体提高了约两个数量级。

Effects of the catalyst preparation and reaction conditions of oligomerization on naphthalene conversion were investigated in detail.

详细考察了催化剂制备条件和反应条件对萘转化率的影响。

The results showed that the thermo-sensitivity of hairy PNIPA changed obviously in the presence of hairy PAA as polyelectrolyte.4-cyanopentanoic acid dithiobenzoate as soluble reversible addition-fragmentation chain transfer agent was directly added into the above PS particles with photo-initiator on the surface and NVP or NIPA as monomer.

其次，将水溶性RAFT试剂直接引入上述光引发聚合体系，探讨连续相中RAFT试剂的存在对微球表面N-乙烯基吡咯烷酮或N-异丙基丙烯酰胺聚合的影响，考察了RAFT试剂对聚合过程中微球壳层高分子毛发厚度和单体转化率变化趋势。

The transformation ratio of nitrobenzene and m-dinitrobenzene is above 99%.

硝基苯和间二硝基苯转化率在99%以上。

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！