烯烃与水和卤素发生加成反应生成卤代醇。
Alkenes react with water and halogens to form halohydrins by an addition reaction.
研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
石化的两类主要产品是烯烃和芳烃。
The two main classes of petrochemicals are olefins and aromatics.
初级形状的丙烯或其他烯烃聚合物。
Polymers of propylene or of other olefins, in primary forms.
烯烃的双键：重点是反应活性。
这个碳氢化合物必定是烯烃。
某碳氢化合物已知可能是烯烃或是烷烃。
初级形状的氯乙烯或其他卤化烯烃聚合物。
Polymers of vinyl chloride or of other halogenated olefins, in primary forms.
亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
介绍了一种非加氢降烯烃催化剂的制备及应用。
Application and preparation of a non - hydrogenation reducing - olefin catalyst were introduced.
多产气体烯烃是DCC和MGG工艺的主要特点。
High gaseous olefin yields are the main features of DCC and MGG technologies.
多层微孔聚烯烃膜，其制备方法，电池隔板和电池。
Multi-layer, microporous polyolefin membrane, its production method, battery separator and battery.
烯烃主要是来自石油气或大分子的碳氢化合物裂解，如乙烯，丙烯。
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
它是由辐射交联聚烯烃基材和特种密封热熔胶复合而成。
It is composed of radiation crosslinked polyolefin substrate and a special sealing hot melt compounded.
壳牌为工业用户生产和提供石化原材料和聚烯烃类产品。
Shell manufactures and delivers petrochemical building blocks and polyolefins to industrial customers.
烯烃的穿透性随碳数的降低和烯烃阱温度的升高而增加。
The higher the olefin trap temperature, the lower the ability of adsorbing olefins.
它为使不饱和酸变成相应的烯烃提供了一个有用的中间体。
It provides a useful vehicle for transforming unsaturated acids to their corresponding alkenes.
烯烃：含有一对或多对由双键连接的碳原子的一类不饱和烃。
Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation).
通过实验验证了乙烯是甲醇转化制丙烯过程中的起始烯烃产物。
It was validated that ethylene is the origination olefin of methanol to propylene by experiments.
茂金属催化剂技术为开发更多的高性能聚烯烃树脂提供了可能。
Metallocene catalysts technique provides the possibility for developing more polyolefin resins of high performance.
他还出示了能够证明阿尔兹·海默患者脑中含有大量2型烯烃的研究作为证据。
As evidence, he points to studies showing that Alzheimer's patients have large amounts of type-2 alkenes in their brains.
这些织物使用的纤维有：聚丙烯、烯烃、涤纶、尼龙以及丙烯腈纤维。
These fabrics are made of such fibers as polypropylene, olefin, polyester, nylon, and acrylic.
科学家已经将癌症、心脏病及其他疾病与暴露在含有2型烯烃的环境里关联起来。
Exposure to type-2 alkenes in the environment has already been linked with cancer, heart disease, and other problems.
目的通过烯烃的臭氧化及其水解的反应历程，研究和测定烯烃的结构。
Objective To study and to determine the structure of alkene by the ozone oxidation of alkene and its hydrolysis reaction course.
二手烟将罹患阿尔兹·海默症的风险提高1.5倍，很可能是因为烟草中含有2型烯烃。
And cigarette smoking increases the risk of Alzheimer's by more than 150 percent, possibly because of the type-2 alkenes in tobacco smoke.
并介绍了C 4烯烃芳构化、催化裂解、歧化制低碳烯烃等新技术的研究进展情况。
The technique advance of C4 olefin aromatization, catalytic cracking and disproportionation for producing low-carbon olefin were introduced too.
并介绍了C 4烯烃芳构化、催化裂解、歧化制低碳烯烃等新技术的研究进展情况。
The technique advance of C4 olefin aromatization, catalytic cracking and disproportionation for producing low-carbon olefin were introduced too.
应用推荐