EPDM is a terpolymer elastomer made from ethylene-propylene diene monomer.
EPDM是一种由乙烯-丙烯、二烯单聚物构成的三元共聚物弹性材料。
Specification for General-Purpose Ethylene-Propylene Rubber Jacket for Wire and Cable 10.
电线和电缆通用乙烯和丙烯橡胶套规范10。
The utility model relates to an ethylene-propylene insulating cable special for wind energy.
本实用新型是一种乙丙绝缘风能专用电缆。
PP/ethylene-propylene-diene terpolymer (EPDM) thermoplastic elastomer was prepared by the dynamic photocrosslinking method.
采用动态光交联法制备了PP/EPDM热塑性弹性体。
The modification of polypropylene (PP) and its blends with low molecular weight ethylene-propylene copolymer (LMW-EP) was studied in this work.
本文研究了采用低分子量乙丙共聚物（LMW-EP）对聚丙烯（PP）及其共混体系的改性。
The results showed that the property indexes of ethylene-propylene rubber added powdery quartz was better than the property indexes of ethylene-propylene rubber added talc.
结果表明：填加了粉石英改性粉体的乙丙绝缘胶的性能指标优于填加滑石粉的。
The seat material shall be one of the following materials: ethylene-propylene-diene monomer or fluoroelastomer with polytetrafluoroethylene bearing support at the top and bottom.
阀座材料应该是下列材料之一：乙烯-丙烯-二烯系单体或氟橡胶，在顶部和底部配置聚四氟乙烯轴承支撑。
Homogeneous design of experimentation was applied to gaseous copolymerization of ethylene-propylene over spherical Ziegler-Natta catalyst to prepare ethylene-propylene impact copolymer.
运用均匀设计法对乙烯-丙烯气相共聚进行实验设计，将反应条件与聚丙烯乙丙抗冲共聚物（简称共聚物）的组成进行关联。
The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.
常用防腐剂是乙二醇或丙二醇，因为随着酒精快速挥发，捕集器也随之恢复干燥。
The trouble is that the ethane route to making ethylene produces virtually no propylene.
问题在于这种用乙烷制作乙烯的生产流程几乎不会伴有丙烯产生。
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.
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。
Polypropylene is derived from propylene, which is in turn a by-product of a specific way of producing ethylene, a particularly useful hydrocarbon.
聚丙烯来自丙烯，而丙烯又是生产乙烯（一种特殊用途的碳氢化合物）所使用特殊工艺的副产物。
A decade ago most ethylene in North America was made using naphtha, an oil derivative: it is this process that has propylene as its by-product.
十年前，北美的大多数乙烯是石油脑(一种石油衍生物)所制：其生产过程所产生的副产物正是丙烯。
Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.
在石油化学工业中所用的许多原料是不饱和烃类，如乙烯、丙烯、丁烯和丁二烯。
In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。
It was validated that ethylene is the origination olefin of methanol to propylene by experiments.
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。
Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide.
引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构，并进一步影响其分子量和使用性能的重要因素。
The reaction features of the catalytic conversion of butylenes to propylene and ethylene were investigated.
探索了丁烯催化转化为丙烯、 乙烯的反应特点。
And ethylene propylene diene monomer has been in the automotive sealing industry, widely used.
而三元乙丙橡胶已在汽车密封条行业中得到广泛的应用。
Improved tensile strength and elongation of ethylene propylene diene monomer compounds used for wire and cable.
提高电线电缆用三元乙丙橡胶材料的拉伸强度和伸长率。
Ratio of ethylene to propylene can be regulated through selective hydrogenation, separation and disproportionation. Requirements on some key parameters are pointed out and the reasons are discussed.
通过选择加氢、分离和歧化反应调整乙烯和丙烯产品的结构比例，指出了对部分主要操作参数的控制及要求，并分析了其原因。
Ten of them were identified. They are ethylene, propylene, isobutane, cyclobutane, three isomeric butenes, methyl ethyl ether, ethyl isopropyl ether, and ethyl acetate.
它们是乙烯，丙烯，异丁烷，环丁烷，丁烯类化合物三个，甲基乙基醚，乙基异丙基醚，乙酸乙酯。
It was found that the import polypropylene copolymers were random ethylene and propylene copolymers with long line chain polyethylene.
结果表明，进口共聚聚丙烯涂覆料是含有聚乙烯长直链的乙丙无规共聚聚丙烯。
The restrain effect of cryoprotective agents on eutectic is different. The best is glycerol and then is ethylene glycol, DMSO, 1,2 propylene glycol and 1,3 butanediol respectively.
不同种类保护剂的抑制共晶的能力从强到弱依次是甘油、乙二醇、DMSO、1，2丙二醇和1，3丁二醇。
It can be widely used in petroleum cracking gas, ethylene, propylene and natural gas drying depth.
可广泛应用于石油裂解气，乙烯，丙烯及天然气的深度干燥。
The random copolymerization of propylene and ethylene with a supported titanium contained Ziegler-Natta catalyst has been studied.
以载体型钛系齐格勒-纳塔催化剂进行了丙烯和乙烯无规共聚合的研究。
The methanol oil (liquid fuel) can be used as engine fuel, and can also be used to produce ethylene and propylene replaced petroleum material.
甲醇油除作发动机燃料外，还可加工转化成乙烯、丙烯替代短缺的石油原料。
The methanol oil (liquid fuel) can be used as engine fuel, and can also be used to produce ethylene and propylene replaced petroleum material.
甲醇油除作发动机燃料外，还可加工转化成乙烯、丙烯替代短缺的石油原料。
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