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Effects of reaction temperature, time, solvent, concentration of cyclododecene and denitrating agent on the yield and purity of product were investigated. 考察了温度、时间、溶剂、环十二烯浓度、脱硝试剂种类及用量等对反应的影响。
The influences of the various conditions on the yield are studied.When the concentration of KOH is 5%(weight) and reaction time is 8 h,the highest yield of product is 40.34%. 讨论了不同反应条件对产物收率的影响;在KOH的质量分数为5%25、反应时间为8.;0h时;产物的收率最高;为40
That car went out of production five years ago. 那种汽车已经停产五年了。
There is a concentration of people in big cities. 大城市人口集中。
Our effort is gear to a higher level of production. 我们调整力量将生产推向更高的水平。
The increase of production is evidence of that. 生产的增长就是这方面的例证。
As the concentration of zinc sulfate increases, the formation of product appears thin stringy structures and open grossness structures with a relative change of the fractal dimension. 随着硫酸锌浓度的增大，沉积产物具有分叉结构的致密纤维状枝晶簇和较为粗壮的开放型规则的分叉状枝晶，分形维数发生相应的变化；
We have to sum up the costs of production. 我们得计算一下生产成本。
The factory cannot maintain current levels of production. 该工厂不能保持目前的生产水平。
To 103 yeast, the rate of productivity improves as the concentration of COBE increases, while its rate of productivity is not high at all. 对于103 菌种,产率却随着底物浓度的增加在不断加大,且产率普遍不高。
Our effort is geared to a higher level of production. 我们调整力量将生产推向更高的水平。
Concentration of production and capital 生产和资本集中
What is the concentration of salt in sea water? 海水中盐的含量是多少?
Our comrades must do their utmost to learn the techniques of production. 我们的同志们必须用极大的努力去学习生产技术。
The variation of product layer diffusivity with these factors was explained by its dependence on the concentrations of defects in CaO and CaSO4 crystals. 产物层扩散系数的变化可以其受氧化钙及硫酸钙结晶缺陷的浓度的影响来解释。
S is the concentration of unpaired nucleotides. S是不配对的核苷酸的浓度。
The concentration of ethylene is on the high side. 乙烯浓度偏高。
Temperature, pH and concentration of solution not only have influence on the ratio of products of acidolysis, but also on the constant of reaction rate in the process of acidolysis. 本文给出了介质pH值、浓度和温度对酸解速率常数的影响规律.
We must keep down the cost of production. 我们必须降低成本。
L-1 was the optimal spraying concentration of. L-1为最佳喷施浓度。