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- reaction stage reaction step 反应阶段
- Hydrogen evolution process on indium in 3mol/L KOH solution is controlled by electrochemical reaction step. 铟在3mol/L KOH溶液中的阴极行为(即析氢反应)受电化学反应步骤控制;
- Test shows that the relationship between the weight loss of asphaltene and temperature conforms with one stage reaction kinetics. 试验表明,沥青质失重与温度的关系符合一级反应动力学。
- Hydrogen evolution process on zinc in 3mol/L KOH solution is also controlled by electrochemical reaction step. 锌在3mol/L KOH溶液中的阴极行为(即析氢反应)也是受电化学反应步骤控制。
- In the reaction of chlorosulfonation,carbon tetrachloride was used as solvent,adding the sodium chloride in later stage reaction. 在氯磺化反应中引入了四氯化碳溶剂,反应后期加入氯化钠。
- In the reaction of chlorosulfonation carbon tetrachloride was used as solvent,adding the sodium chloride in later stage reaction. 以苯胺为母体合成对乙酰氨基苯磺酰胺,在氯磺化反应中引入四氯化碳作溶剂,在反应后期加入氯化钠。
- With change of calcium sulfate shape and reduce of compact degree of coat layer on phosphate rock, the velocity of second stage reaction of SSP is accelerated by active... 活化添加剂促进酸矿反应的重要途径是改变硫酸钙结晶的晶习,减弱硫酸钙对磷矿包裹的致密程度,特别表现为对第二阶段的反应十分有利;
- More less time-consuming and more than 10% higher of the yield of target product in the reaction step: first urethane reaction and then quaternization reaction. 结果表明,先胺酯化后季铵化要比先季铵化后胺酯化的反应顺序耗时少得多,并且目标产物的产率要高十多个百分点。
- The change law of NH + 4 influence in the first and second stage reaction process of potassium sulfate production by conversion method is studied in this paper. 文章中采用正交实验设计的方法,研究了在磷石膏转化法制硫酸钾第一、二阶段反应过程中的NH+4影响变化规律。
- As a result,to reach the same conversion a single stage transesterification was needed instead of two or three reaction stages. 与流行的两级甚至三级酯交换反应技术相比,仅通过一段酯交换反应就能达到相同的反应效果。
- The effect of internal diffusion of hetergeneous phase reaction on activation energy, reaction stages and reaction selectivity is discussed. 讨论了内扩散效应对非均相反应的活化能、反应级数、反应选择性等宏观动力学参数的影响。
- The hydrogenated sunflower oil fatty acid sucrose ester was prepared from hydrogenated sunflower oil by two stages reaction. 以氢化葵花油为原料,采用两步法合成了氢化葵花油脂肪酸蔗糖酯。
- The optimum ratio of a reaction stage 二、反动级的最佳速比
- Microbial cells can synthesize complex molecules that require multiple reaction steps at low temperatures and in aqueous media. 微生物细胞可以在低温或是液态培养基中合成需要许多反印步骤的化合物。。(改造过的科学怪人细胞可以作到的事情,原本在试管里就可以作到了。
- This synthetic route has advantages of brief reaction steps, convenient manipulation and high product selectivity for trans resveratrol. 该合成路线反应步骤少、作简便、成反式目标产物的选择性高。
- Use lactose as the raw material, the (s)-3-hydroxybutyrolactone was obtained through reaction steps of decomposition, esterification, protection of function group, acidification. 摘要以乳糖为原料以分解酯化、官能团保护、酸化制得目标化合物。
- The synthesized latanoprost,a prostaglandin drug of antiglaucoma through 10 reaction steps with Corey alcohol(1) as a starting material was synthesized. 以科瑞醇(1)为起始原料,经过10步反应合成得到了抗青光眼新药莱它诺(11);
- Methods: Starting from isohexanoyl chloride and methyl tryptophan ester hydrochloride,ilomastat was obtained via 7 reaction steps including substitution and condensation. 方法:以色氨酸甲酯盐酸盐和异己酰氯为起始原料,经过取代和缩合等7步反应得到目标化合物。
- Results Compared with reported method,two reaction stages (3,17-diacetylation and hydrolysis) were omitted in improved synthesis.The structure of obtained 2-methoxyestradiol was confirmed via 1H? 结果改进的合成方法割除了文献报道方法中的3,17双乙酰化及水解二个反应步骤,合成获得的2甲氧基雌二醇成品进行了结构确证。
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