转化率

Cu2-Co2-KBr with high catalytic activity and selectivity shows synergistic effect between metal ions.Under the reaction conditions of mCu(Ac2:mCo(Ac2:m= 0.1:0.5:0.1, n:n=0.14, glacial acetic acid as solvent, overdosage sodium percarbonate, 65℃, the conversion can reach 45.9% and the selectivity for p-methoxy benzaldhyde is about 68.3%.

结果表明，Cu2-Co2-KBr具有较高的催化活性和选择性，体现出金属离子之间的协同作用，对甲基苯甲醚在mCu(Ac2：mCo(Ac2：m=0.1：0.5：0.1，n：n=0.14，冰醋酸作溶剂，稍过量的过碳酸钠，65℃的条件下，转化率可达45.9%，生成对甲氧基苯甲醛的选择性为68.3%。

For VC suspended emulsion polymerization initiated by potassium persulphate, the initial polymerization rate is proportional to 133 and proportional to RpJ0 72, where

以 KPS为引发剂进行的 VC悬浮态乳液聚合，基本上是在隔离的小水滴内进行的，类似于乳液聚合机理，但齐聚物自由基的相转移可以引发少量的单体相聚人采用优化的聚合工艺条件，得到转化率大于70％、颗粒仍由基本不熔结的初级粒子组成、吸油率为 19。

Monododecylphosphate was prepared by esterification of lauryl alcohol with phosphoric acid(mass fraction 85%) on cesium phosphotungstate catalyst.

以磷钨酸铯盐为催化剂，由月桂醇和85%的磷酸直接酯化合成单十二烷基磷酸酯，考察了带水剂种类、反应时间、磷钨酸铯盐催化剂中的铯取代数、催化剂用量和月桂醇与磷酸摩尔比等条件对磷酸转化率及单十二烷基磷酸酯选择性的影响。

The catalyst was characterized by XRD,no apparent characteristic peaks of phosphotungstic acid are observed,which indicates that heteropoly acid dispersed finely in the molecular sieves,and the structure of ZSM-5 was not destroyed.

将催化剂用于合成乙酸乙酯，探讨了操作条件包括原料组成，催化剂用量和反应时间对酸转化率的影响并与浸渍方法得到的催化剂进行重复使用性能比较。

Taking o-cholorotoluene as raw material,the factors influencing the photochlorination synthesis of the o-chlorobenzyl chloride were investigated.

研究了邻氯甲苯光氯化生成邻氯氯苄的各项影响因素，在适宜条件下，邻氯甲苯的转化率可达75%以上，反应过程邻氯氯苄的收率可达90%。

In the model, the effect of temperature, moisture and plant respiration on NPP were considered and the absorbed proportion of photosynthetically active radiation was calculated from vegetation index.

模型中综合考虑了温度、水分及呼吸作用对植被净第一性生产力的影响，由植被指数确定植被对光合有效辐射的吸收比例，由光能转化率计算植被总第一性生产力，由总第一性生产力与呼吸消耗之间的差值确定净第一性生产力。

Diaminodiphenylmethane and phthalic anliydride etc., were studied by means of differential scanning calorimetry.

DSC测得的数据表明，反应速率的最大值并不出现在t=0的时刻，而在转化率为40％左右时反应速率最大，所以服从自催化反应历程。

Kinetic reaction behavior of neo- polyhydric alcohols with fatty acids catalyzed by sulfuric acid was studied.

比较了Brnsted酸，包括硫酸、磷酸、对甲苯磺酸，催化季戊四醇与脂肪酸的酯化反应行为，结果表明，硫酸催化酯化反应速率最快，能有效催化不同类型的新戊基多元醇与脂肪酸的酯化反应，羟基转化率达到98%以上。

Be opposite actually of the website possessory for, they pay close attention to a website more change rate issue.

其实对网站的所有者来说，他们更关注网站的转化率问题。

Cd3+, cd4+ and cd8+ lymphocyte subgroups in banked blood decreased as compared with those of prestorage in the two groups,but there was no significant difference between the two groups.

照射后随储存时间的延长，血液中il 2水平与对照组相比明显降低（p.05）；经紫外线照射后淋巴细胞转化率较对照组明显降低（p.01）；对照组与照射组血液在放置72 h后cd3+，cd4+，cd8+细胞亚群均有明显下降，但无显著差异。

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！