单程收率

2,4,6&三甲基苯甲酸单程收率达到70%以上，纯度大于96%；

One way yield of trimethyl benzoic acid is over 70 % , and the purity is above 96 % .

采用芳烃羰基化工艺2,4,6-三甲基苯甲酸单程收率达到40%以上。

By the techniques of arene carbonylation , one way yield of trimethyl benzoic acid is more than 40 % .

试验为kg级工业模拟中试试验，反应为间歇式反应，原料邻二甲苯一次投料量为4.2kg，目的产物为邻甲基苯甲酸，单程收率可达47%，总收率可达62.36%。

The reaction was intermittent . The yield per pass of o methyl benzoic acid is up to 47 % with a total yield of up to 62 36 % .

结果表明，Pd／C催化剂是该缩合还原反应的有效催化剂，在低压下的单程收率可达60%以上。

The results showed that Pd / C was an efficient catalyst for the reductive condensation of D - ribose and 3,4 - xylidine , the yield could exceed 60 % when the process was carried out under low pressures .

成功地进行了中型试验，BTX单程收率可达36%～50%。

The pilot tests have been completed successfully . The one-pass yield of BTX has reached 36 % - 50 % .

最高CH4转化率和C2烃单程收率均超过70%，最高碳二烃选择性超过了90%，最高能效超过20%。

The optimal conversion of CH4 and yield of C2 hydrocarbons were over 70 % and the optimal selectivity of C2 hydrocarbons was over 90 % with energy efficiency over 20 % .

结果表明：当硅溶胶粒径分布集中、平均粒径23～25nm、pH9.0～9.5、适量加入氢氧化钠和氨水混合溶液作为稳定剂和加入少量助剂时，丙烯腈单程收率接近80%。

The result shows that when silica sol has narrow particle distribution , average particle size 24 ~ 26 nm , pH 9 ~ 9.5 , right amount of NaOH and ammonia water stabilizer and auxiliary agent , the single pass yield of acrylonitrile is close to 80 % .

α-烯烃单程收率56.27%。

The per pass yield of α - olefin was 56.27 % .

反应单程收率大于60%，产品纯度98%以上。

The single-pass yield of product is above 60 % , and the purity above 98 % .

催化剂经活化后可使丙烯腈单程收率提高2%～3%。

The single-pass yield of acrylonitrile increased by 2 % ~ 3 % after the catalyst reactivation .

成品甲基苯乙烯纯度大于99%，精制单程收率大于65%。

The purity of vinyltoluene is greater than 99 % , purified yield per pass greater than 65 % .

结果表明：反应生成乙二醛的选择性71.8%，单程收率48.5%。

The results showed tha the selectivity achieved 71 . 8 % and single process yield achieved 48 . 5 % .

用于乙酸酯类化合物的合成，单程收率可达93%以上，选择性为100%。

The single conversion rate and selectivity was above 93 % and 100 % , respectively , when the catalyst was used to synthesize acetic esters .

在同样的条件下，此多尖端旋转电极工艺比固定的尖端-平板电极工艺具有较高的甲烷转化率、碳二烃单程收率以及较高的能量效率。

The rotary multi tip electrode process is possessed of higher CH4 conversion and higher C2 hydrocarbons single pass yield and higher energy efficiency than the plasma processes using fixed wire plate electrodes under the same conditions .

根据重整液化气和加氢裂化液化气的模拟评价单程裂解收率，利用PIMS生产优化模型对两种饱和液化气作乙烯裂解料的综合收率和经济效益进行了评估。

Based on the once through steam cracking yields of simulated evaluation for LPG from reformer and hydrocracker , the overall yields and economic effect of using the saturated LPG as steam cracking feedstock via PIMS modeling system were evaluated .