结果在优化反应条件下,酯的收率最高达94.6%。
Results Optimum conditions of esterification were determined with yield of 94.6%.
在优化反应条件下,没食子酸正丁酯的收率达到93.4%。
The yield of n-butyl gallate was 93.4% under the optimum reaction condition.
通过优化反应条件抑制异构体的量,从而保证奥美沙坦酯的质量。
Optimization of the condensation conditions reduced the impurity to a negligible quantity.
在该优化反应条件下,反应转化率和产物的光学纯度均高达99%以上。
Under the se conditions, both the conversion rate and enantiomeric excess are as high as 99%.
结合上面的实验结果,本体系的应用尚需要进一步优化反应条件,尚待完善。
Combined with the result of upper experiment, this system still needs to be improved and optimized.
一种博舒替尼的制备工艺,简化反应步骤,优化反应条件,提高产率,为工业化生产铺平道路。
The invention discloses a process for preparing bosutinib, which simplifies reaction steps, optimizes reaction conditions, improves yield and paves the way for industrial production.
结果表明:通过优化反应条件,使得在苯溶剂中合成出的聚L-乳酸的粘均分子量可达到232,000。
The result shows the viscosity-average molecular weight of poly(L-lactic acid) attains to 232,000 synthesized by optimizing the reactive conditions.
在优化反应条件下最佳的反应结果为:甲烷转化率64.0%,乙炔收率52.0%,乙烯收率12.0%。
The result under the optimal condition is: methane conversion 64.0%, acetylene yield 52.0% and ethylene yield 12.0%.
长期以来,人们致力于通过调变催化剂的组成、结构和优化反应条件来改善催化氧化的选择性,但氧化选择性差的缺点一直是该类反应的难题。
Since long-term, great efforts have been made in improving the catalytic selectivity by altering the composition and structure of catalysts and adopting the optimum catalytic reaction conditions.
通过选择糖基化反应的糖类,并优化反应条件制备出新型腌制色素,再采用紫外-可见光吸收曲线、红外光谱和DSC吸收曲线等,初步探讨了其性质。
The new pigment was prepared by selection of polysaccharide and optimization of experiment condition. Then characteristic of the pigment was discussed by UV, IR and DSC.
其目的是研究和优化石灰消化工艺,分析石灰消化反应机理,找到最佳的消化操作条件,提高石灰乳的活性。
Through studying and optimizing lime slaking process, it analyzed the mechanism of lime slaking reaction and found the optimum operating conditions to increase the activity of lime milk.
方法改变反应条件,优化工艺路线。
METHODS Changed the conditions of reaction, and optimized the technology and route.
用正交试验确定了酯化反应的优化条件,酯化率达97.96%。
The optimum conditions of the esterification reaction were determined with the yield of 97.96% by orthogonal experiment.
本文根据正交实验原理,对天然卤水与碳酸氢铵一步反应直接生产小苏打的工艺条件进行优化。
This paper optimizes according to the principle of orthogonal experiment the process conditions for directly producing sodium bicarbonate using natural brine and ammonium bicarbonate by one step.
并对RAPD反应的条件进行了优化,提高RAPD分析的可靠性和重复性。
Optimizing condition of RAPD improved veracity and repetition of RAPD anaLysis, and insured reaLity and nicety.
优化了引入配体的反应条件。
采用四因素三水平正交实验设计,以DH为指标,对蛋白酶水解酪蛋白的条件进行优化,以获得几种蛋白酶的最佳反应条件。
Taking DH as index, orthogonal design of four factors three levels was taken to optimize the hydrolysis condition of casein with proteases.
并在研究基础上优化了反应条件,提高了主产物2,6-二异丙基苯胺的选择性。
Based on the research, the reaction conditions were optimized to increase the selectivity of the main product 2,6- diisopropylaniline.
本文通过实验研究了超声波辐射下安息香的缩合反应及该反应的最优化条件。
This article analyzes the optimum condition of the reaction of benzoin condensation with the supersonic in the experiment.
实验优化了结合反应条件和电化学测定条件。
The condition of the binding reaction and the electrochemical detection were optimized.
成功进行简并PCR的关键是设计好两组引物库和对反应条件进行优化。
The optimization of reaction conditions and the primer design are the key factors for the success accomplishment of degenerate PCR.
通过实验对反应温度、反应时间、搅拌速度等工艺条件进行了优化;
Through optimizing of process conditions, such as temperature, reaction time and stir speed etc.
反应器网络综合优化方法在选择反应器类型和反应工艺条件时,比传统的方法表现出了很大的优势。
Methods of reactor network synthesis and optimization show great advantages compared with traditional measures when they are used to select reactor types and reaction conditions.
通过调节胆甾相液晶的螺矩、聚合物的浓度和聚合反应条件,我们能使PSCT光阀性能最优化。
We optimized the performance of the PSCT valve by adjusting the cholesteric pitch, the polymer concentration and polymerization condition.
达到单向反应条件常常是优化反应浓度的目标。
In optimizing the concentration of a reaction, achieving homogeneous reaction conditions is often a goal.
利用山苍子油合成了紫罗兰酮,并采取正交设计进行了条件优化试验,得出了合成的最佳反应条件.。
The ionone was synthesize form litsea cubeba oil, the optimal experiments of reaction conditions were carried by orthogonal test, the optimum synthesizing conditions were obtained.
最后研究了操作参数对反应器热点温度和出口转化率的影响,得出了优化的操作条件。
Finally the effects of the operation parameters on the hot spot temperature and the outlet conversion are studied and the optimizing operation conditions are obtained.
研究了环酐与苯胺和苯酚的酰胺化及酯化反应,优化了酰胺化及酯化反应条件。
The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products, and the routes were optimized.
用薄层色谱法监测溴素溴化乙酰丙酸乙酯生成3-溴乙酰丙酸乙酯的反应过程,优化了反应条件,方法简单,快速,准确。
A simple TLC method for monitoring the synthetic process of 3-bromo-ethyl levulinate is reported, and the reaction condition is optimized.
对溶液填充模式、反应条件等实验参数进行了优化。
The reaction conditions and model of filling capillary were also investigated.
应用推荐