查询词典 ethylene

In particular, the present invention concerns a process and an apparatus for continuous polymerisation olefin monomers like ethylene and other monomers, wherein an olefin monomer is polymerised in slurry phase in an inert hydrocarbon diluent in at least one loop reactor.

本发明尤其涉及连续聚合烯烃单体如乙烯和其它单体的方法和设备，其中烯烃单体在至少一个回路反应器内惰性烃稀释剂中的浆料相内聚合。

Methods The effects of chitosan and calcium alginate fibers on haemostatic and wound-sticking property, the admixture of viscose and purified cotton or super absorbent resin on water absorbency, and the forming mode of hydrophobic nonwoven fabric and combining method of hydrophobic ethylene-propylene and viscose on waterproof ability were compared.

研究壳聚糖、壳聚糖－海藻酸钙盐复合纤维的止血与抗粘连效果，不同克重的粘胶纤维及其与脱脂棉、高吸水树脂复合材料的吸湿性能，丙纶及疏水乙丙纤维无纺布的成型方法及其与粘胶无纺布的复合方式时阻水性能的影响；测试了新型战创伤急救敷料的理化性能。

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。

In this experiment, the 8 cylindrical stainless steel is devided into 2 groups: one group is sterilized by ethylene oxide and the other group is not sterilized.

实验结果先用one-way ANOVA分别对空白组及对照组组间数据进行方差分析，再用Independent-Samples T Test将空白组与对照组数据进行t检验。

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。

The effect of molecular weight, ethylene group and mixing of polyketone on the photodegradability were investigated. The mechanism of the photodegradation of ESTCO, STCO, STCO-PS and ESTCO-PS were reviewed. In addition, the block polymerization of methyl methacrylate initiated by STCO under UV irradiations was also studied.

研究了乙基取代基、分子量及共混物对聚酮光降解性能的影响，探索了STCO、ESTCO及其分别与聚苯乙烯共混物STCO-PS、ESTCO-PS的光降解行为和光降解机理，初步探讨了聚酮ESTCO光降解所产生的大分子自由基引发的甲基丙烯酸甲酯的聚合。

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。

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。