reaction selectivity
英 [riˈækʃn sɪˌlɛkˈtɪvɪti]
美 [riˈækʃn sɪˌlɛkˈtɪvəti]
网络 反应选择性
双语例句
- The effect of reaction temperature on reaction activity and selectivity of dimethyl dichlorosilane ( DDS) in direct synthesis process has been investigated experimentally.
实验研究了直接法流化床合成甲基氯硅烷过程中反应温度对反应活性和二甲基二氯硅烷（DDS）选择性的影响。 - RESULTS and CONCLUSION The new approach could significantly shorten the reaction time, improve the reaction selectivity and the yield, arid it is also suitable fur industrial production.
结果与结论所用方法可缩短反应时间，提高反应的选择性和收率，可用于工业化生产。 - The reaction speed and selectivity for PTC and ultrasonic's application in indirect electro-oxidation was increased.
相转移催化剂和超声波在间接电氧化中的应用。提高了反应速度和产品选择性。 - Toluene was employed as solvent to increase the reaction selectivity.
以甲苯为溶剂可显著提高β羟乙基乙二胺环合生成哌嗪的选择性。 - After the equations are solved by computer technique, the parameter profiles such as temperature in the reactor, reaction selectivity, and the VAC yield, along the fluid flowing direction are obtained.
通过对模型求解，得到了床层温度、反应选择率和VAC产量等参数在反应器内沿物料流动方向上的分布。 - With water volume fraction below 2%, the addition of water at temperatures < 340 ℃ lowered NO conversion, while the addition of water at higher temperatures enhanced reaction selectivity.
当水体积分数在2%以内时，水的添加将导致NO转化率的降低。 - Reaction selectivity and Organometallic Chemistry
化学反应的选择性和金属有机化学 - Progress in suspended hydrogenation reactors and paked-bed hydrogenation reactors utilized in the hydrogen peroxide production by anthraquinone process to improve space-time yield and reaction selectivity is reviewed.
综述了近年来蒽醌法生产过氧化氢用悬浮氢化反应器和固定床氢化反应器的研究进展。 - This reaction has good selectivity.
该显色反应选择性好。 - Study on the Influence of Feed Methods on the Reaction Selectivity in Stirred Tank
搅拌槽内加料方式对反应选择性影响的研究 - The Oxenin hydrogenation reaction in low temperature and high hydrogen pressure favors the improvement of the reaction selectivity.
结果还表明，缩合物加氢反应在低温、高氢压的条件下进行有利于反应选择性的提高。 - The organometallic compound of cobalt coordinated with trimethylphosphine has high reaction activity and selectivity.
过渡金属同三价膦化合物的亲和力特别强，能形成很稳定的络合物，并具有高度的反应活性和选择性的特点。 - Effect of inside-outside diffusion process on reaction selectivity in gas-solid catalytic reaction was studied and discussed in this paper from quantitative angle, and as two independent and coexistent reactions.
从定量角度描述气固相催化反应中内外扩散过程对反应选择性（S）的影响，并以两个独立并存的反应类型的内外扩散过程对S的影响为例进行定量讨论。 - The methods of Transesterification synthesized biodiesel were chemical method and biological method. Contrast to conventional chemical process, enzymatic production process presented many advantages such as simple technology, better reaction selectivity, lower energy consumed and less environmental pollution.
转酯化制备生物柴油的方法有化学法和生物法，对比传统化学法，生物法工艺简单、选择性高、能耗低、对环境无污染。 - Because of Ag-cd cluster formation, the conditions of severe oxidation of methanol to CO_2 were destroyed, the reaction selectivity became well and the catalyst ability to constraints on carbon deposition increased.
Ag-cd双金属簇的形成，破坏了甲醇深度氧化生成Co2的条件，提高了生成目的产物的选择性，且提商了催化剂的抗积炭能力。 - Adding helium could increase separation effect but oxygen would induce a chain reaction and lose selectivity.
添加氦可增加分离效果，氧的存在会引起链反应，损失选择性。 - The improved synthesis methods and process conditions would increase the reaction selectivity and decrease the content of the harmful ingredients in surfactants and the waste materials during the production.
改进表面活性剂的合成路线和工艺条件，提高反应转化率，避免或降低表面活性剂中的有害成份，实现生产过程中无三废排放； - Latest improvements on suspended hydrogenation reactor are introduced. More attentions were paid to discussing the advantages of foam-bed three-phase reactor, which is a unique means to improve the space-time yield and reaction selectivity at the same time.
着重介绍了管式和鼓泡床悬浮氢化反应器的改进和泡沫固定床三相反应器用于蒽醌氢化过程可显著提高反应时空收率和选择性的优势。 - The effect of chloride ion on the metal interaction and reaction selectivity of ft-sn-al_2o_3 catalysts
Pt-Sn/Al2O3催化剂中氯离子与铂、锡的相互作用及其对反应性能的影响 - The optimization results indicated that the reaction selectivity increased by over 2%.
优化结果表明，反应选择性可提高2%以上。 - However, with further increasing of temperature, the reaction selectivity of steam was abated, which prejudiced the production of tar.
但随温度的进一步增大，水蒸气的反应选择性减弱，不利于焦油的产生。 - The reaction selectivity wider with substrate, mild reaction conditions and post-processing easy, etc. Compared with the palladium catalyst, nickel catalyst has good thermal stability, high catalytic efficiency and low prices, applicability etc. Characteristics.
该反应具有底物选择性较广，反应条件温和，后处理容易等优点。与钯催化剂相比较，镍催化剂具有热稳定性好、催化效率高、价格低廉，适用范围广等特点。 - Under the above conditions, the BPF yield reached more than 90%, the reaction process selectivity was 100%.
在此条件下BPF收率能达到90%，过程选择性为100%。 - However, it will lead to many side reactions, resulting in lower reaction selectivity, corrosion of equipment, and producing large amounts of industrial waste water. In post-processing it will also lead to the loss and waste of raw materials and products, et al.
但这样会引发许多副反应，导致反应选择性的降低，且腐蚀设备，产生大量的工业废水，后处理中还会造成原料和产物的损失和浪费等。 - Cyclohexane oxidation reaction was a complicated consecutive process; the reaction selectivity was decreased with the increasing of the residence time and the conversion of cyclohexane. The backmixing of materials was also a reason resulted in the decrease of selectivity of reaction.
环己烷氧化反应是一个复杂串联反应过程，随着反应停留时间增加，反应转化率的上升，反应选择性明显下降，且反应物料的返混也会使反应选择性下降。 - Through the research we found that non-aqueous phase media system have their advantages compare with water phase system, photosynthetic bacteria in which needed to maintain catalytic activity and stability, the reaction selectivity and product yield has obviously improved.
通过研究发现，非水相介质体系摒弃了水相反应中的不利因素，光合细菌能够在其中维持所需的催化活性，并且稳定性、反应选择性和产物产率都有明显的提高。