查询词典 ethylene group

It was demonstrated that the novel functional hyperbanched polyethylene could be prepared by the copolymerization of ethylene and polar comonomers protected by alkyl or aromatic silyl group.

研究表明，经烷基或芳基硅烷基团保护的极性单体与乙烯在MHNB催化作用下，通过共聚可以得到结构新颖的功能性超支化聚乙烯。

Eight half-sandwich titanium complexes (S1-S8) with pendant thienyl group were synthesized. These complexes with MAO were tested in ethylene conversion.

合成了8个含有噻吩基的半夹心茂钛络合物（S1-S8），考察了它们在MAO的活化下对乙烯的催化性能。

A new chelating fiber containing thioamide group is synthesized by cross-linking of polyacrylonitrile fiber with ethylene-dimine and following with chemical modification with sodium sulfide using DMF as solvent.

以腈纶纤维为起始原料，经乙二胺预交联后，以DMF作溶剂与硫化钠反应，合成了一种硫代酰胺功能基可达6.8mmol/g干纤维的螯合功能纤维，其对贵金属金、银离子具有良好的吸附性能。

I was in Liaoning Panjin Ethylene Huajin Group as a sales agent in Shanghai, is China National Petroleum Corporation, Sinopec Shanghai distributors.

我公司被辽宁华锦集团盘锦乙烯列为上海销售的总代理，是中石油、中石化在上海的分销商。

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。

Then dendrimer-like polyamidoamine on the silica gel surface was prepared using Micheal addition of the amino and methyl acrylate,and ester-exchange of ethylene diamine and the ester group.

用硅烷偶联剂对硅胶表面进行氨基功能化，利用氨基与丙烯酸甲酯发生的Michael加成反应和乙二胺与酯进行的交换反应在硅胶表面合成了聚酰胺-胺树状大分子。

Then dendrimer-like polyamidoamine s based on the silica gel surface were prepared using Micheal addition of the amino and methyl acrylate,and ester-exchange of ethylene diamine and the ester group.

用硅烷偶联剂对硅胶表面进行氨基功能化，利用氨基与丙烯酸甲酯发生的Michael加成反应和乙二胺与酯进行的交换反应在硅胶表面合成了聚酰胺-胺树状大分子；利用红外光谱对PAMAM-SG的结构进行了表征，研究了溶液pH值、ρ(Ni2+)和温度对PAMAM-SG吸附Ni2+能力的影响。

Infrared, ultraviolet, and mass spectrometry Gaoxiaoyexiang tests showed that benzene p rosin in neighbouring seats husband alkali metal objects with catalytic, the oxide containing hydroxy generated, ethylene, or a functional group, such as the Food oxide product.

红外、紫外、高效液相色谱和质谱测试表明，松香在邻苯二胺席夫碱金属配合物的催化下，氧化生成了含羟基、环氧基、过氧基等官能团的氧化产物。

Amino functional silica gel was synthesized by reacting silane coupling agent with silica gel. Then dendrimer-like polyamidoamine on the silica gel surface was prepared using Micheal addition of the amino and methyl acrylate, and ester-exchange of ethylene diamine and the ester group.

用硅烷偶联剂对硅胶表面进行氨基功能化，利用氨基与丙烯酸甲酯发生的Michael加成反应和乙二胺与酯进行的交换反应在硅胶表面合成了聚酰胺－胺树状大分子。

Recently , TFT-LCD(Thin-Film Transistor Liquid crystal Display) is very important to major industries in Taiwan . In order to of satisfy the panel manufacture industry requiring large sizes of panel of cell processes , the conventional processes will be replaced with new technology of cell processes : One Drop Filling (Abbreviation:ODF) in the future . It is important to develop UV/Heat curable resin.In this investigations , we focused on Epoxy Acrylate Oligomer which are major components of ODF Sealant materials. The films are exposed to UV by different times , then the absorption peaks of ethylene and epoxy function group were idendifed with Attenuated Total Reflection-Fourier Transform Infrared Spectroscope to discuss curing ratio and reaction condition .

实验中，将探讨以紫外光和热双效硬化型树脂主要组成为寡聚物为主的ODF封胶材料，将其涂布在玻璃基板上形成薄膜，经过紫外光不同曝光时间及在恒温120℃下不同加热时间，再以衰减全反射式傅立叶转换红外线光谱仪(Attenuated Total Reflection-Fourier Transform Infrared Spectroscope)分析乙烯基和环氧基相关官能基在吸收图谱的变化，探讨在不同环境条件下ODF封胶材料硬化反应程度以及分析鉴定的要素。

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。