丁烯的例句（丁烯在句子中的用法）

• The syntheses, properties and applications of benzocyclobutene monomer and polymers are introduced. 本文介绍了苯并环丁烯单体及树脂的合成 、 树脂的性能及应用.
• Any of three gaseous isomeric ethylene hydrocarbons , C 4 H 8 , used principally in making synthetic rubbers. 丁烯乙烯的三种气态同分异构体之一,C4H8, 主要用于制造合成橡胶.
• For example, fumarase catalyzes the interconversion of malic acid and fumaric acid. 如延胡羧酸酶能催化苹果酸和反丁烯二酸的可逆反应.
• Tert - octylamine was prepared with di - isobutene and hydrocyanic acid as mine feed. The yield was high. 以二异丁烯和氢氰酸为主要原料,高收率地制备叔辛胺.
• The certified reference material mainly consists of polyisobutylene and hexadecane with good homogeneity and stability. 聚合物流变特性标准物质主要由聚异丁烯和十六烷组成.
• S - PPESK showed high catalytic activity and excellent dimerization selectivity under low reaction temperature conditions. S-PPESK在较低的温度条件下对异丁烯的低聚反应表现出了很高的催化活性和二聚反应选择性.
• The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid type ion exchange resin. 所述的方法包括首先异丁烯用磺酸型离子交换树脂低聚生成二聚异丁烯.
• Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst. 任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.
• Catalytic oligomerization of remain butylene is a way for enterprises to rebottle andpotentialities for more benefits. 剩余丁烯催化齐聚是企业消除瓶颈、挖潜增效的途径.
• Its main components include propane, butane and butylene. 主要成份是丙烷 、 丁烷、丁烯等.
• The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %. 醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料.
• Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butene. 三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.
• Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene. 三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.
• Butane and butylenes has the same characteristic with propane and propylene. 丁烯与丁烷表现出与丙烯、丙烷相似的特性.