查询词典 ethylene series

This series products are compounds polymerized from ethylene oxide as initiating agent and EO.

本系列产品是以乙二醇为起始剂与环氧乙烷聚合制得的化合物。

However, domestic applications are numerous, but the effect of the rural poor, and I RIPP, East China University of Science and Technology, Professor, etc. After years of research, currently has successfully developed a series of additives ethylene plant.

但国内应用虽多，但效果郊差，本人与石科院、华东理工大学等教授经过多年研究，目前已成功开发出了乙烯装置系列助剂。

A series of ethylene/propylene copolymers with different propylene contents were prepared and the microstructure was characterized by ~(13)C-NMR, GPC and DSC.

2在聚合物链中，丙烯单元单个存在，即使在丙烯含量高达14.93mol％的聚合物中，也是如此。

Have a first-class domestic and international cable production and testing equipment, the main products are PTFE insulated wire and cable, FEP insulated wire and cable, PTFE insulated RF cables, UYS series of cross-linked ethylene - tetrafluoroethylene insulation such as wire and cable.

拥有国内外一流的线缆生产及检测设备，主要产品有聚四氟乙烯绝缘电线电缆、聚全氟乙丙烯绝缘电线电缆、聚四氟乙烯绝缘射频电缆、UYS系列交联乙烯-四氟乙烯绝缘电线电缆等。

A series homopolyme of ethylene synthesised by metallocene catalyst was analyzed by the high temperature gelatin permeation chromatography. The results showed that the molecular weight distribution changed not too much when the ratio of Al/Ti ranging between 1000 and 4000, while the molecular weight distributed increased from 2.48 to 2.81 when the ratio ranging between 4000 and 7000; catalyst D had the lowest activity to be used as asymmetric metallocene catalyst; the curve of molecular weight moved much to the left with the increases of temperature and two active centres appeared when the temperature is 70℃.

通过高温凝胶渗透色谱对茂金属催化合成的一系列乙烯均聚物进行了分析，可以看出Al/Ti比从1000变到4000时，分子量分布曲线图变化不大，而从4000变到7000时，变化相当大，分布宽度从2.48增至2.81；催化剂D的活性最小，可作为非对称性茂系金属催化剂；该聚合体系分子量的大小受聚合温度的影响很明显，随温度的升高，分子量分布曲线图向左发生很大位移，在聚合温度为70℃时存在两个活性相当的活性中心。

From the Ningbo Chemical Industry Zone was informed that a group of a total investment of about 28 billion yuan infrastructure and downstream series ethylene project officially started today, the project include: Akzo Nobel of ethylene amines and biological sewage pre-treatment projects, Ningbo Kim Hyde flag separation projects EPA Chemical Co., Ltd., Ningbo瑞福特Gas Storage and Transportation Co., Ltd.

记者从宁波化工区管委会获悉，一批总投资约28亿元人民币的基础设施及乙烯下游系列项目今日正式动工，项目包括：阿克苏诺贝尔乙烯胺及生物污水预处理项目、宁波金海德旗化工有限公司碳五分离项目、宁波瑞福特气体储运有限公司低温乙烯储罐项目等。

This article investigates the selective hydrogenation of acetylene/ethylene mixtures over Pd-Ag series catalysts. The influence of important variable of hydrogen/acetylene ratio on the product yield pattern is discussed and cokes deposited on catalyst surface after reactions are analyzed.

本文以钯-银系列之触媒，进行乙炔/乙烯混合物之选择性氢化反应，除探讨氢气／乙炔之比例对於产物中乙烷及绿油组成分布之影响，同时说明触媒表面积碳之主要成份。

The copolymerization compound comprises based on a proportioning ratio by weight: 25-99 percent ethylene aromatic series monomer; 0-30 percent olefinic undersaturation nitrile monomer; 1-50 percent olefinic dibasic acid ramification monomer.

这种共聚组合物按重量百分比包含：25至99％的乙烯基芳香族单体；0至30％的烯属不饱和腈类单体；1至50％的烯属二元酸衍生物单体。

Tatsu varieties is the production and operation of 12 major categories of more than 50 varieties, mainly for rubber-filled Products oil, aromatic oil, paraffin oil, naphthene oil series Products, Product, respectively, applied to natural rubber, styrene-butadiene rubber products, butadiene rubber, EPDM ethylene-propylene rubber and the oil-filled elastomer SBS and footwear industries in the TPR pellet production, and also applies to styrene-butadiene rubber, chloroprene rubber and processing of oil-filled, annual production capacity of 15,000 tons.

现生产经营品种达12大类50多个品种，主要产品为橡胶填充油、芳烃油、石蜡油、环烷油等系列产品，产品分别适用于天然橡胶制品、丁苯橡胶制品、，顺丁橡胶制品、三元乙丙橡胶乙丙橡胶及弹性体SBS的充油和制鞋工业中的TPR粒料生产，也适用于丁苯橡胶、氯丁橡胶充油及加工，年生产能力达15000吨。

Main Products: PRS refined C5 petroleum resin PRS Series refined C5 petroleum resin series are the company's long-term efforts to develop advanced technologies in order to by-product ethylene cracker C5 group is divided into raw materials, the use of continuous automated production process, refined by the C5 , catalytic polymerization process such as production of high quality transparent particulate organic polymer.

主要产品：PRS精C5系列石油树脂 PRS精C5系列石油树脂是本公司经过长期努力开发的先进技术，以乙烯裂解副产物C5组分为原料，采用连续自动化生产工艺，经C5精制、催化聚合等过程而生产的具有较高品质的透明颗粒状有机聚合物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。