查询词典 isoamylene

This paper studied the synthesis and models about the etherification reaction from isoamylene to the tert-amyl methyl ether synthesis.

分析了异戊烯醚化生成甲基叔戊基醚的反应机理及相关的反应动力学模型，以甲醇和乙烯裂解碳五为原料进行醚化反应，分别求得R-E模型、L-H模型的动力学参数。

The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.

该催化剂具有良好的活性和稳定性，TAME转化率和异戊烯的选择性均超过99%。

The commercial application of SPC01 catalyst for decomposition of tert-amylmethyl ether to produce isoamylene was reviewed.

介绍了SPC-01型催化剂在甲基叔戊基醚裂解生产异戊烯中的工业应用。

The commercial application of SPC-01 catalyst for decomposition of tert-amylmethyl etherto produce isoamylene was reviewed.

介绍了SPC-01型催化剂在甲基叔戊基醚裂解生产异戊烯中的工业应用。

The results show that the active loss of heteropolyacid catalyst are mainly attributed to the reduction of surface area, coke formation, and reduction of acid strength during the long term of operation for isoamylene unit. The improvement aspects of the catalyst performance for the decomposition of TAME are proposed.

结果表明，在长周期运行中，催化剂比表面下降、结焦和酸性的损失是导致催化剂活性降低的主要原因，最后提出了TAME裂解催化剂的改进方向。

The fresh and discharged catalysts from the isoamylene unit are characterized by XRD,TG-DTA,FT-IR and the pore structure analysis.

利用X射线衍射、热重分析、红外光谱和孔结构分析对新鲜的和从装置卸出的催化剂进行表征，并对催化剂活性下降的机理进行了讨论。

In order to produce environment-friendly new formulated gasoline to meet stricter requirement of environmental protection and to supply the data for the development of β zeolite catalyst and the design of reactor,the macrokinetics of TAME liquid-phase synthesis catalyzed by β zeolite was studied,where isoamylene was etherified with methanol.

为了生产有利于环境友好的新配方汽油，以适应环境保护的更高要求，为β沸石分子筛催化剂的开发和反应器的设计提供数据，对异戊烯和甲醇在β沸石分子筛催化剂作用下合成TAME液相醚化反应的宏观动力学进行了研究。

The fresh and discharged catalysts from the isoamylene unit are characterized by XRD, TG-DTA, FT-IR, and the pore structure analysis. The active decline mechanism of the catalyst is discussed.

利用X射线衍射、热重分析、红外光谱和孔结构分析对新鲜的和从装置卸出的催化剂进行表征，并对催化剂活性下降的机理进行了讨论。

The etherification reaction of methanol and isoamylene was investigated in an internal recycle gradientless reaction with an ion exchange resin (NKC-9) as catalyst.

采用国产大孔磺酸树脂(NKC-9)，在无梯度反应器内对异戊烯与甲醇醚化反应进行了研究。

And the low frequency vibrations contribution from ring A and oxygens to the internal reorganization energy of MQ〓(n=1～7) is greater than 1.60kJ.mol〓 in addition, the low frequency vibrations contribution from the isoamylene substituent to the internal reorganization energy of MQ〓 and MQ〓 is about 2.0kJ〓.

得电子前后，环A及对位氧的二面角变化对质体醌MQ〓(n=1～7)的内重组能的贡献大于1.60kJ.mol〓，而且得电子前后，异戊烯支链结构参数的变化尤其是二面角的变化对MQ〓／MQ〓及 MQ〓/MQ〓体系的内重组能贡献约为2.0kJ-mol〓。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。