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。
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。
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。
OBJECTIVE To increase the amorpha-4, 11-diene production in the engineered yeast.
目的提高酵母工程菌中紫穗槐- 4,11 -二烯的产量。
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。
The blend of acrylate rubber (ACM) and ethylene propylene diene terpolymer (EPDM) was prepared.
以丙烯酸酯橡胶(acm)和三元乙丙橡胶(EPDM)为主要原料制备共混材料。
When they both can produce conjugative effect, they have the reaction characteristic of conjugated diene.
当两者可生成共轭体系时，应具有共轭二烯烃的反应特性。
Excited triplet diene is formed via back electron transfer between radical ion pair within a solvent cage.
处于溶剂笼中的三重态离子自由基对经电子反传，产生激发三重态二烯。
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。
In addition, the deodorizer distillate contained a trace of germanical sterol, lanosterol, stigmastan-3, 5-diene etc.
除此之外，还有少量日耳曼苗醇、羊毛甾醇、3，5-二烯豆苗烷等。
The fluorine atom reaction with trans-1,3-bu ta diene has been investigated by using the crossed molecular beam method.
利用改进型通用交叉分子束装置和脉冲直流放电产生脉冲氟原子束实验方法，研究了氟原子和1，3丁二烯分子的反应散射。
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。
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 resin (b) is preferred to be conjugated diene polymer cyclization material with unsaturated bond decrement rate more than 10%.
树脂(B)优选为不饱和键减少率为10%以上的共轭二烯聚合物环化物。
A chemical mechanical polishing pad comprising a water-insoluble matrix which comprises (a) a styrene polymer and (b) a diene polymer.
一种化学机械抛光垫，包含由(A)苯乙烯聚合物和(B)二烯聚合物构成的非水溶性基质。
The invention discloses ethylene propylene diene high-temperature and high-voltage resistant synthetic rubber and a preparation method thereof.
本发明公开了一种三元乙丙耐高温高压合成橡胶及其制备方法。
Method for preparing telechelic 1,3-diene oligomers by the controlled free radical polymerization of 1,3-dienes in presence of a stable free radical.
通过在稳定的自由基存在下进行1，3-二烯的控制的自由基聚合制备1，3-二烯的遥爪低聚物的方法。
OBJECTIVE amorpha-4, 11-diene synthase is the key enzyme of artemisinin biosynthesis, amorpha-4, 11-diene is the precursor of artemisinin biosynthesis.
目的紫穗槐- 4,11 -二烯合酶是青蒿素生物合成途径中的关键酶，紫穗槐- 4,11 -二烯是青蒿素生物合成的前体。
Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region.
用傅里叶红外光谱仪，在选定的波数范围内，采用化学计量学法测量乙烯裂解汽油的二烯值。
The oxidative stability of fish oil in different systems was studied by using peroxide value (POV), conjugated diene hydroperoxide content and fatty acids content as indexes.
以过氧化值(POV)、共轭二烯型氢过氧化物含量和脂肪酸相对含量的变化为指标研究了鱼油在不同体系中的氧化稳定性。
The rubber inner layer is made of natural gum or ethylene propylene diene rubber, and the rubber outer layer is made of chloroprene rubber or ethylene propylene diene rubber.
橡胶内层的材质为天然胶或三元乙丙橡胶，外层橡胶的材质为氯丁胶或三元乙丙橡胶。
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 manufactured ethylene propylene diene porous elastic composite sealing gasket adopts raw materials having no poison, harm and pollution and having long service life of products.
所获得的三元乙丙多孔弹性复合密封垫，产品使用的原料无毒、无害、无污染、产品使用寿命长。
In this thesis elastomers such as nitrile rubber (NBR-40), natural rubber (NR) and ethylene propylene diene monomer (EPDM) are blended with HDPE to improve the shape recovery properties of HDPE.
本文通过丁腈橡胶(nbr - 40)、天然橡胶(NR)、三元乙丙橡胶(EPDM)等弹性体与HDPE共混，提高了HDPE的形状回复能力。
To reduce isomerization and oxidation of above conjugated diene compounds, pheromone baits of different formulations and substrates were made and tested for their trapping efficiency in the field.
为研究如何减少上述共轭二烯信息素成分中的几何构型异构化和氧化的发生，作者制备了几种不同剂型的诱芯并进行了田间诱蛾试验。
The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.
本发明的后加氢制备高质量汽油的系统和方法不仅能脱烯烃，还能脱硫醇和双烯。
The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.
本发明的后加氢制备高质量汽油的系统和方法不仅能脱烯烃，还能脱硫醇和双烯。
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