amylene

Based on the thennodynamic equilibrium data of synthesis reaction of isoamylene and methanol to form tert-amyl methyl ether (TAME) , the equilibrium constants of the reaction system are calculated with different mixing activity models and compared with those worked out by theoretical calculation.利用戊烯与甲醇合成甲基叔戊基醚(TAME)反应的热力学平衡实验数据,选择不同的混合活度模型,分别计算得到了该反应体系的平衡常数,并与理论计算得到的平衡常数相比较,筛选出了适合该反应体系的活度计算模型。46n汉语字典

When the mass fraction of isoamylene,1-amylene,2-amylene and sulphuric acid was respectively below 5% , about 5% ,about 28% and 80% ,and the molar ratio of sulphuric acid and the total olefin was between 1.当C5馏分中异戊烯、1-戊烯、2-戊烯和硫酸的质量分数分别为5％以下、5％左右、28％左右和80％,硫酸与总烯烃的物质的量比为1。46n汉语字典

The reaction results indicated that, besides the aim product isobutene, propylene and pentenes formed by dimerization-cracking reaction or oligomerization-cracking reaction were the main by-products, and the hydrocarbons higher than C 6 were not detected.结果表明 ,除目的产物异丁烯外 ,主要副产物为丙烯和戊烯 ,产物中没有检测到C6以上的副产物 。46n汉语字典

Investigation on the Preparation of Cyclopentene by Liquid Hydrogenation of Cyclopentadiene;环戊二烯液相加氢制备环戊烯的研究46n汉语字典

Catalytic Synthesis of Methylcyclopentadiene by KNO_3/Al_2O_3;KNO_3/Al_2O_3催化环戊二烯甲基化反应46n汉语字典

Synthesis of Methylcyclopentadiene from Cyclopentadiene;环戊二烯合成甲基环戊二烯46n汉语字典

This paper introduced the producing process of m-pentadiene petroleum resin in aspect of raw material treatment,synthesizing process and post treatment,and estimated its domestic production cost to 7750 RMB/t or so.文章从原料处理、聚合工艺和后处理等方面介绍了间戊二烯石油树脂的生产技术,并对间戊二烯石油树脂的生产成本进行了估算,认为国内间戊二烯石油树脂的生产成本在7750元/t左右。46n汉语字典

ploymethylpentene TPX聚-4-甲基-1戊烯46n汉语字典

Studies on the Novel Catalytic Materials Used in Catalytic Oxidation of Cyclopentene to Glutaraldehyde;环戊烯合成戊二醛催化新材料的研究46n汉语字典

cefditoren pivoxi头孢地托戊烯氧甲酯46n汉语字典

Codeine cyclopentenylallylbarbiturate环戊烯基丙烯基巴比土酸可待因46n汉语字典

NIR (acrylonitrile-isoprene rubber)丙烯腈-异戊二烯橡胶46n汉语字典

nitrile-isoprene latex丙烯腈-异戊二烯胶乳46n汉语字典

butadiene isoprene copolymer丁二烯-异戊二烯共聚物46n汉语字典

isobutylene-isoprene copolymer异丁烯－异戊二烯共聚物46n汉语字典

styrene-isoprene rubber latex苯乙烯-异戊二烯胶乳46n汉语字典

isoprene styrene latex异戊二烯-苯乙烯胶乳46n汉语字典

liquid polyisoprene rubber液体聚异戊二烯橡胶46n汉语字典

filled polyisoprene rubber填充聚异戊二烯橡胶46n汉语字典

trans-1,4 polyisoprene rubber反式－１,４聚异戊二烯橡胶46n汉语字典

cis-1,4 polyisoprene rubber顺式－１,４聚异戊二烯橡胶46n汉语字典

isoprenoid alkane异戊间二烯型链烷烃46n汉语字典

isoprene type centerblock异戊间二烯型中心滑块46n汉语字典

acyclic isoprenoids无环异戊间二烯化合物46n汉语字典

methylcyclopentadiene dimer甲基环戊二烯二聚物46n汉语字典