乙烯的

The in vitro degradation of the crosslinked composites formed by unsaturated polyphosphoester N-vinyl pyrrolidone and β-tricalcium phosphate was investigated and the surface morphology of degradation sample was imaged by scanning electron microscopy.

研究了不饱和聚磷酸酯、N-乙烯基吡咯烷酮与β-磷酸钙交联复合体系的体外降解过程，并用扫描电镜观察了降解一定时间后试样表面的形貌结构。

The in vitro degradation of the crosslinked composites formed by unsaturated polyphosphoester、N-vinyl pyrrolidone and β-tricalcium phosphate was investigated and the surface morphology of dagradation sample was imaged by scanning electron microscopy.

研究了不饱和聚磷酸酯、N-乙烯基吡咯烷酮与β-磷酸钙交联复合体系的体外降解过程，并用扫描电镜观察了降解一定时间后试样表面的形貌结构。

The magnetic polymer complex microspheres with core-shell structure were synthesized by copolymerizing of pyrrolidone acid and methacrylic on surface of Fe3O4 particles modified by OP, using potassium persulfate as a initiator.

以N-乙烯基吡咯烷酮和甲基丙烯酸为原料，过硫酸钾为引发剂，采用乳液聚合的方法共聚包埋自制的磁流体Fe3O4，制得了Fe3O4/P核壳复合微球。

Existing status of exhaust gas, waste residue, fluorine-containing wasted hydrochloric acid and raffinate from production of tetrafluoroethylene, hexafluoropropylene , their treatment and comprehensive utilization are introduced.

介绍了四氟乙烯、六氟丙烯生产过程中产生的废气、废渣、含氟废盐酸、残液的现状和治理、综合利用方法。

The preparation process for methacrolein and methyl methacrylate by oxidation method was studied in a fixed-bed reactor and a slurry reactor respectively with raffinate C4 fractions by-product of ethylene plant as raw materials.

以乙烯装置副产的抽余C4馏分为原料，分别在固定床反应器和浆态床反应器上考察了甲基丙烯醛和甲基丙烯酸甲酯的氧化法制备工艺。

The effects of the type and content of vinyl monomer containing polar group on the flame retardance of PP were studied.

着重探讨了含极性基团的乙烯基单体种类及用量等因素对PP阻燃性的影响。

XRD results reveal that the addition of HF decreases the defects in the crystal lattice of SAPO 34, which is proved by the two distinct double peaks at 2 θ=26°and 31° and other ...

以氟化氢三乙胺复合模板剂合成的分子筛，在催化甲醇制低碳烯烃反应中结焦速率降低，生成乙烯及丙烯的选择性则略有提高

Furthermore, the inner layer is made from low density polyethylene which can remove the static can avoid static generation inside the bag. In addition, this kind of hot sealable bag is translucence, so the good inside can be easily recognized from outside.

另外里面一层是由可消除静电乙烯组成，防静电功能优越，静电场缓慢、安全的泄放，这种可热封袋是半透明的，便于观察，不影响产品条码读取，主要用于电子元件、PC板……等包装。

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。

In the case of vinyl metog stereoplasm oilysludge 服贴 because of the thickness and consistency, some business card printing and membership card making species have been using so far, but there are some business card printing and membership card production types must use flexible doubleside.

如乙烯树脂为宾的软质基材因为厚度不合歧和服贴性好，有些制卡和会员卡制息栽类不断搁置至今，但有些制卡和会员卡制息栽类不离务必搁置有不塑性的双面胶。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。