查询词典 conversion rate

The results show that the conversion rate of lithiophorite decreases with decreasing reaction temperature. Lithiophorite can be obtained at pH values from 5.0 to 9.0, but the circumneutral pH is more favorable for formation at atmospheric pressure.

水钠锰矿向锂硬锰矿的转化速率随着反应温度的降低而减少，在pH5-9的范围内锂硬锰矿均可形成，但中性条件最适合锂硬锰矿的形成。

After analyzing the reaction mechanism through literature, we think the reaction from diethanolamine to iminodiatic salt is composed of two steps—reaction from alcohol to aldehyde and the disproportionation reaction of the aldehyde. The selectivity, conversion, rate of this reaction are mainly attributed to the capability of this catalyst.

通过查阅文献资料，分析了反应机理，认为二乙醇胺脱氢生成酸是由两步反应组成─醇脱氢生成醛与醛的歧化，催化剂的性能是影响反应转化率、选择性及反应速度的主要因素，确定了采用沉淀法制备Cu/ZrO2做催化剂。

The main parasitic species endangering large-scale swine farms are mange and acarus, eelworm and blood louse, which decrease feed conversion rate, growth of swine,and may cause the other diseases.

蒋建林 ，顾方鸿，陈忠法危害规模化养猪场的主要寄生虫有猪疥螨、猪线虫和猪血虱。

The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.

该催化剂具有良好的活性和稳定性，TAME转化率和异戊烯的选择性均超过99%。

Under this conditions,the conversion rate of isovaleric acid was up to 96.9%.

此条件下异戊酸转化率达96.9%。

The results show that solid superacid catalysts have higher activities,reaction time being short,higher conversion rate of isovaleric acid.

结果表明：此法催化剂用量少、催化活性高、反应时间较短、异戊酸转化率高、工艺简单、在一定条件下催化剂可以重复使用多次。

The influences of the reaction time,the reaction temperature,the mole ratio of isovaleric acid to isoamyl alcohol,the quantity of solid surperacid catalysts on the conversion rate of iaovaleric acid were studied.

介绍了一种利用超强酸TiO2/SO2－4催化合成异戊酸异戊酯的新工艺，研究了固体超强酸催化剂用量、酸醇摩尔比、反应时间和反应温度对异戊酸转化率的影响。

The research results indicated that the pretreatment of corn stalk by steam blasting procedure or warm oxygen method could successfully separate lignose and fibre, and enzyme hydrolysis could realize 85 % cellulose conversion rate, then yeast used for fermentation to produce alcohol.

研究结果表明，玉米秸秆先采用蒸汽爆破法或温氧法预处理，使木质素和纤维分离，然后进行酶水解，可使纤维素转化率达85%，再利用酵母发酵生成酒精。

The research results indicated that the pretreatment of corn stalk by steam blasting procedure or warm oxygen method could successfully separate lignose and fibre, and enzyme hydrolysis could realize 85 % cellulose conversion rate, then yeast used for fermentation to produce alcohol.

将测定谷物色氨酸的&酶水解三氯化铁醋酸比色法&用于山羊奶、牛奶色氨酸测定，回收率可达96.4％以上。试验结果表明，该法精密度与DAB比色法无显著性差异，但比DAB比色法更快，更简便可靠

During preparation, mercapto ethanol isooctanoate, alkyl or ester tin chloride and organic solvent are first heated and refluxed while adding catalyst; organic layer is then obtained through separating liquid and decompression distilled; and through further steps, the compound is obtained. The synthesis process of the present invention is simple, and has conversion rate higher than 95 %, normal pressure and low reaction temperature, low power consumption and less pollution, and the prepared compound has high reaction activity and low toxicity.

制备时，将异辛酸巯基乙醇酯、烷基或酯基氯化锡和有机溶剂加热回流，同时加入催化剂，然后通过分液，保留有机层，再对有机层进行减压蒸等步骤制得所述化合物；本发明合成工艺简单，转化率大于95％，反应在常压条件下，反应温度低，从而降低了能耗，减少了污染，所制备的化合物具有反应活性高和毒性小的特点，使用安全。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐