- 更多网络例句与水解催化剂相关的网络例句 [注:此内容来源于网络,仅供参考]
-
First, a chlorinator was self-designed in this paper, and dichloride of 2-methyl-1-propene was synthesized by 2-methyl-1-propene reacted with chlorine fast in this reactor. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield and selectivity of dichloride of 2-methyl-1-prop-ene were more than 65% and 80% respectively. Second, the preparation of 2-methylene-1, 3-propanediol, which dichloride of 2-methyl-1-propene reacted with alkali was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the conversion of dichloride of 2-methyl-1-propene was 100%. Moreover the preparation of MPO, which 2-methylene-1, 3-propanediol reacted with hydrogen, in presence of Al_2O_3-Pd catalyst, was gotten, and the product was appraised.
本文在氯化反应过程中,自行设计制作出了氯化管式反应器,在该反应器中异丁烯和氯气迅速混合反应生成二氯异丁烯,根据该氯化反应特征利用正交试验和单因素试验考察了有关因素的影响并优化得到了最佳工艺条件,二氯异丁烯的总收率达65%以上,选择性达80%;接着,对二氯异丁烯进行水解反应制得了2-甲烯-1,3-丙二醇,讨论了相关因素对水解反应的影响,并通过正交试验和单因素试验得到了较佳工艺条件,二氯异丁烯的转化率达100%;同时还对制备的2-甲烯-1,3-丙二醇在常压下采用三氧化二铝负载钯催化剂催化加氢得目的产物MPO,并对产品进行了鉴定,从而打通了整个工艺路线。
-
The viscosity increaser of microcrystalline cellulase used in synthetic leather is prepared by using cotton pulp as raw material and waste hydrochloric acid as hydrolyst.
以棉浆为原料,废盐酸为水解催化剂,所得合成革用微晶纤锥素增粘剂的质量指标达到了德国和日本同类产品的标准。
-
The catalysts such as tetraphenyl tin,aluminium isopropoxide and boron trifluoride etherate complex were used to catalyze the copolymerization.In addition,the copolyester can be given by copolycondensation after monomers were hydrolyzed by phosphoric acid.Boron trifluoride etherate complex was chosen as the catalyst because the catalytic activity was the best among the catalysts.
由于γ-戊内酯为五元环结构,难以进行开环聚合,因此分别考察了四苯基锡、异丙醇铝、三氟化硼乙醚络合物等催化剂,以及以磷酸为催化剂的水解缩聚反应,结果发现三氟化硼乙醚络合物的催化活性最高,因此选择三氟化硼乙醚为本体开环聚合的催化剂。
-
Advancing the temperature can increase its molecular weight, the best reaction temperature is 60℃, following by IR, the mechanism of HC1 is the hydrolyzation of alkoxy in 1 hour, and then condensation reaction.
升高温度有利于生成大相对分子量的聚合物,其水解缩合的最佳温度为60℃,通过IR对反应物的跟踪,在水解缩合过程中盐酸作为催化剂先是烷氧机硅烷的水解作用,1小时内就可以完成,之后再发生缩合反应。
-
By verifying the model, the value of model calculated coincided with the experiment value was obtained. hydrolysis ; benzal chloride ; phase transfer catalyst ; kinetic model
最近通用的方法是采用可溶性的金属锌盐(ZnCl2等)做水解催化剂,在此反应过程中,水的量对催化作用起着决定性的影响,必
-
The hydrolyzation of benzal chloride is the heterogeneous phase gas-liquid-liquid reaction. A new kind of phase transfer catalyst was adapted and the study on the feasibility of hydrolyzation of benzal chloride, reaction technology and kinetics was carried out in order to get rid of heavy metal pollution caused by zinc catalysis.
苄叉二氯的水解是一个非均相气-液-液反应,为避免原有锌盐催化剂可能造成的重金属污染,采用一种新型相转移催化剂,进行了苄叉二氯水解反应可行性、反应工艺及动力学的研究。
-
This article introduces the EH-3 medium-temperature sulfur-resistant hydrolyst and ambient-temperature fine desulfurization and their application in Texaco water gas.
介绍了EH-3中温耐硫水解催化剂及常温精脱硫的流程及在德士古水煤气中的运行情况,各项指标工艺要求,值得推广使用。
-
Niobic acid as a solid catalyst can be directly applied in the hydrolysis, esterification, condensation and alkylation reaction etc.
铌酸可直接作为固体催化剂,应用于水解、酯化、缩合、烷基化等反应中;铌酸也作为载体负载金属,应用于F-T合成、氧化反应和加氢等反应中;含铌化合物也可作为负载型催化剂,负载到不同类型的载体上;含铌化合物也作为助剂或光催化剂,广泛地应用于催化多种化学反应。
-
The performance of solid superstrong acid catalyst for hydrolysis ofmethy1 formate is investigated under the conditions of various flow-rate and temperature.
固体超强酸作甲酸甲酯水解制甲酸的催化剂。研究催化剂、进料速度、反应温度对甲酸甲酯水解转化率和对甲酸出口浓度的影响。
-
The application, proposed hydrotalcite-like compounds as a new type of environmentally friendly solid catalysts in the aldol condensation, nitrile hydrolysis, epoxide ring-opening reaction of the oxidation of aromatic compounds, alcohols oxidation, reduction of nitro compounds, and many other important reactions in organic synthesis has an important application potential, and with little pollution compared to conventional catalysts, easy separation of advantages of high reactivity.
叙述了水滑石类化合物作为固体酸碱催化剂、氧化还原反应催化剂、催化剂载体等方面的应用情况,提出了水滑石类化合物作为一类新型的环境友好的固体催化剂,在醇醛缩合、腈类水解、环氧化物的开环反应、芳烃类化合物的氧化、醇类氧化、硝基化合物的还原等许多重要的有机合成反应具有重要的应用前景,并且与传统催化剂相比具有污染小、易分离、反应活性高等优点。
- 更多网络解释与水解催化剂相关的网络解释 [注:此内容来源于网络,仅供参考]
-
esterification:酯化
我们都熟悉酯化过程,酯化(esterification)一般是酸与醇在催化剂作用下,反应成为脂的过程,酯化往往是两个互不相溶液相之间,在固体(也可能是液体)催化剂作用下的一级对峙平衡反应,亲核试剂是醇,离去基团是水;逆反应是酯的水解:亲核试剂是水,
-
selective hydrogenation:选择性加氢
selective hydrogenation catalyst 选择性加氢催化剂 | selective hydrogenation 选择性加氢 | selective hydrolysis 优先水解
-
hydrolyte:水解质
hydrolyst水解催化剂 | hydrolyte水解质 | hydrolyticacidity水解性酸度
-
proteolysis:蛋白水解
蛋白水解(Proteolysis)即蛋白质的肋键水解,是指蛋白质在酶等催化剂作用下可以水解,生成氨基酸的过程. 这个过程对于蛋白的激活(失活),转移, 以及降解意义重点,是一个关键的调控过程.
-
uncompetitive inhibition:反竞争性抑制作用
反竞争性抑制作用(uncompetitive inhibition): 抑制剂只与酶-底物复合物结合而不与游离的酶结合的一种酶促反应抑制作用. 这种抑制使Km和υmax都变小但υmax/Km不变. 很大一类复杂的蛋白质物质 [enzyme;ferment],在促进可逆反应(如水解和氧化)方面起着像催化剂一样的作用.
-
hydrolyst:水解催化剂
hydrolysisproduct水解产物 | hydrolyst水解催化剂 | hydrolyte水解质
-
hydrolyst:水解催化剂;水解酶
hydrolysis product 水解产物 | hydrolyst 水解催化剂;水解酶 | hydrolyte 水解质
-
hydrating solution:水解溶液
hydrating polymer 水解聚合物 | hydrating solution 水解溶液 | hydration catalyst 水合催化剂