The reaction conditions such as dosages of catalyst, 1, 4 dioxane and water, solvent type, reaction temperature and time, adding method were also studied.
同时还研究了催化剂用量、1,4二氧六环的用量、溶剂种类、反应温度、反应时间、水量及加水方式等对该反应的影响。
Adding an additive into the solution could inhibit the dissolution erosion of silicon from the catalyst, and the stable running period of the catalyst was prolonged.
采用添加含硅助剂的方法,可有效抑制碱性体系中分子筛的溶解流失,大幅度延长催化剂稳定运转周期。
Catalytic activated sludge process is the method of adding mineral catalyst in normal activated sludge process.
催化活性污泥法是在活性污泥系统中添加矿物催化剂。
This method involves using the glacial acetic acid as a catalyst, adding the litharge in aqueous medium and adding a quantity of oil of vitriol to yield lead sulfate.
该法来用了冰乙酸作催化剂,在水介质中加入氧化铅,再滴加一定量的浓硫酸来合成硫酸铅。
He discovered that by adding luminol mixed with hydrogen peroxide to blood it would glow without the use of the iron catalyst.
他发现将发光氨与过氧化氢的混合物添加到血液中,即使不使用的铁催化剂,它也会发光。
The effects of oxidizability, the adding amount of promoter and the proportion between the promoters on the characteristics of the catalyst are investigated.
考察了氧化程度、助剂加入量以及助剂之间的比例对催化剂性能的影响。
The catalytic activity for SO_2 can be increased apparently by adding given cerium component into catalyst.
催化剂中加入一定量的铈组分可明显提高催化剂对SO_2的催化活性。
The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.
通过添加适量四丁基溴化铵为相转移催化剂,使用过量的亚磷酸二异丙酯以补偿其在强碱环境中的水解,从而提高了反应产率。
It was an effective method in suppressing the internal pressure of Ni MH battery by adding the catalyst for oxygen reduction into the MH electrode.
在贮氢电极中添加氧还原催化剂是一种有效降低电池内压的方法。
The temperature, catalyst, the order and the rate of adding the materials etc during the synthesizing process were studied.
对合成过程中的温度、催化剂、加料次序及滴加速率等条件进行了研究。
The experimental results demonstrated that adding organic amine ST like complex could effectively improve the catalyst stability, keeping high activity and prolonging running cycle.
结果表明,复合有机胺类活性剂ST的加入可以在相对较长的时间内保持催化剂碱液的高催化活性,同时延长催化剂碱液的循环使用周期。
Based on the preparation process of original catalyst for propylene polymerization, a new catalyst for the propylene polymerization was prepared by adding some modifier.
在原聚丙烯合成催化剂的基础上,通过在制备过程中加入调节剂,制备了一种新型催化剂。
A new method to synthesize sodium dioleyl sulfosuccinate by esterification and sulfonation without adding any extra phase catalyst in nitrogen atmosphere was developed.
研究在氮气保护下采用非外加相转移催化剂经酯化和磺化合成磺基琥珀酸双十八油酯磺酸钠的新方法。
Graphitic particle furnace which is a general furnace in usual can be served as carbonizing by adding a litter catalyst, without any assistant devices on carbonizing temperature.
平时作为加热炉使用的石墨流态粒子炉,在无需添加任何辅助装置、只需在石墨粒子中加入极少量的催化剂在渗碳温度下即可实现渗碳。
A kind of complexing catalyst was mentioned. It was discussed that the influence of adding quantity of the complexing catalyst, temperature.
提出了一种复合催化剂,讨论了催化剂用量、反应温度、反应时间、过量乙二醇四因素对酯化反应的影响。
Adding water to the reaction mixture, the catalyst was hydrolyzed and the organic components obtained by evaporation had no distinct change.
反应液中催化剂加水分解,蒸发得到的有机组分没有明显变化。
By adding KOH as catalyst, the reducing atmosphere was favorable to improve the conversion of collusion and the yield of liquid products.
在KOH催化条件下,还原性气氛有利于纤维素水热液化转化率及液相产物的产率和品质的提高。
Selectivity of GS-08M catalyst was enhanced about 1 percent higher than that of GS-08 by adding some of new selectivity-promoting additives and optimization of preparation technique.
通过引入新的选择性调变剂和优化制备工艺,GS - 08 M催化剂的选择性比GS - 08催化剂提高近1个百分点。
The text take about ethyl pyruvate was synthesized by adding to a suitable catalyst with pyruvic acid and absolute ethanol.
叙述了以丙酮酸与无水乙醇为原料,在催化剂存在下,反应合成丙酮酸乙酯的过程。
The text take about ethyl pyruvate was synthesized by adding to a suitable catalyst with pyruvic acid and absolute ethanol.
叙述了以丙酮酸与无水乙醇为原料,在催化剂存在下,反应合成丙酮酸乙酯的过程。
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