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。

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.

The product has good catalytic property for the formation of diene stereospecific polymers.

制得的叔碳酸钕具有对二烯烃良好的定向聚合活性。

Results show that the main causes of low induction period of cracked naphtha are the high diene number and low phenol content.

结果表明，二烯值大、酚含量低是加氢渣油催化裂化汽油诱导期短的主要原因。

An amount of the aromatic vinyl polymer is preferably 5 to 150 parts by weight based on 100 parts by weight of the diene rubber.

以100重量份的二烯橡胶为基准，芳香乙烯基聚合物的含量优选为5～150重量份。

The hydrogenation of double carbon-carbon bonds in conjugated diene polymers using hydrides of hydrogen storage alloys as hydrogen sources and catalysts has been investigated.

研究了共轭二烯烃类聚合物在贮氢合金氢化物存在下双键加氢的情况。

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。

The hydrogenation of diene compound and carbonyl group with yeasts was studied.

对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.

A new method of a simple, quick is set up to determine the Conjugated Diene.

建立了一种简易、快速的声化学法测定油样中双烯值的方法。

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。