total yield的例句大全

It can be synthesized with the material of lovastatin, hydroxy protecting agent of trimethylchlorosilane, and t-butyl lithium instead of pyrrole lithium. The total yield is about 78%.

以洛伐他汀为原料，三甲基氯硅烷为羟基保护基，用活泼的强亲核试剂叔丁基锂代替当前的吡咯烷锂合成了目标产物新伐他汀，总收率达78%。

The process of technology included diazotization, diazo coupling reaction and reduction. The total yield was 60%, the purity of mesalazine ≥ 99.0%.

工艺过程包括重氮化反应、重氮耦合反应和还原反应，总收率60%，产品含量≥99.0%。

After purification by organic solvent, the total yield is 71.4% with 98.1% purity.

采用有机溶剂法精制后，产品全程收率71.4%，纯度98.1%。

The new technology can increase the yield of 99% gourmet powder and the total yield and thus improve the economic and technical index.

新工艺对提高99%味精产率和总收率，改善技术经济指标具有建设性的意义。

RESULTS The C13 side chain of the taxol was obtained with the chemical yield of 52% and e.e. of 99%. Total yield of taxol was 30%, and e.e.

结果获得了高光学纯度的紫杉醇C13侧链（化学产率52%，光学纯度99%），紫杉醇的总产率为30%，光学纯度为99%。

In seven steps, the key intermediate epoxy compound, to build cycle carbon-skeleton of Lycorine-type alkaloids, is synthesized in a total yield of 49.3%.

经七步反应，以49.3%的总收率得到构筑Lycorine型生物碱环碳骨架的关键中间体环氧化合物。

Catalytic hydrogenation reaction system of 5-{ 4-[ 2-( Methyl-pyridin-2-yl-amino)-ethoxy] benzylidene}-thiazolidine-2, 4-dione ( 3) was optimized and the total yield was 21.6%.

优化了5-{4-[2-（甲基-2-吡啶氨基）-乙氧基]-亚苄基}-噻唑烷-2，4-二酮（3）的催化氢化反应条件从而以21.6%的总收率合成得到了罗格列酮。

optimization of the total yield of consecutive equilibrium reactions

连串、平衡反应工程收率最优化

One-off yield from thebaine to natrexone hydrochloride is 31%, and total yield can up to 44%.

从蒂巴因到盐酸纳曲酮一次性可以收率为31%。

The percentage of plywood timber to total yield decreases with increase of planting density in the site indices 14,16 and 18 m;

胶合板材产量随立地指数的增大而增大，且占总产量的百分比在立地指数为14、16、18m时，随造林密度的增大而减小；

In this paper, the method of synthesis of β phellandrene from β pinene was reported. The results showed that the time of splitting reaction was shortened by microwave irradiation and the product was separated easily. The total yield was 65.8%.

实验表明：采用微波裂解技术，以β蒎烯为原料，经磺化、微波裂解等两步反应制备β水芹烯合成路线短，且产物易分离，总收率为65.8%。

The product purified by distillation in vacuum. The total yield was 87.4 % based on PCl _ 3.

产物通过减压蒸馏纯化, 以三氯化磷计,总收率达87.4%.

The evaluation results showed that under optimized process conditions, the ethylene yield of typical paraffinic atmospheric residue through single pass cracking reaches 26% and the total yield of olefins ( C 2~ C 4) exceeds 50%.

评价试验结果表明，典型石蜡基常压渣油在优化的工艺条件下，单程裂解的乙烯质量产率可达26%，C2～C4总烯烃质量产率超过50%。

The current industry in our country boiler is roughly 250,000 set, the year consumes the coal invites to occupy the total yield in coal of 1/ 3.The management of these industry boilers, circulate with automate the level return lower, have very seriously wasted energy phenomenon.

我国现有工业锅炉约25万台，年耗煤约占煤炭总产量的1/3。

The total yield and energy spectra of the secon-dary particles of thermonuclear reaction

热核反应中次级粒子的总产额和能谱

The catalyst prepared through macroporous aminomethyl resin showed the most efficient in the catalytic oxidation of ethylbenzene with moderate yields ( total yield up to 69.9%, turnover number 55.3). The yields of these compounds are moderate.

其中，使用大孔氨甲基树脂为载体合成的催化剂能有效地催化乙苯氧化得到较好的转化率（总收率达69.9%，TON值达55.3）。

The reaction total yield exceeds 70%.

反应总收率达到70%以上。

In China, both the total yield and trade volume are the first in the world.

中国小麦总产量和贸易额均为世界之最。

The percents of ground wood pulp timber yield to total yield and chemical pulp timber yield to total yield increase with increase of planting density in site indices 14,16 and 18 m;

在立地指数为14、16、18m时磨木浆材产量占总蓄积量的百分比和化学浆材产量占总蓄积的百分比均随造林密度的增大而增大；

RESULTS: The total yield of o amino benzonitrile was 71.2%. The final product was identified by melting point.

结果：合成的产率为71.2%，结构经熔点确证。