乙烯撑

RECOMMENDED - Viton, High Nitrile Buna N, Teflon, Epoxy Paint, Oil-Resistant Alkyd, Nylon, Delrin, Celcon, PBT

推荐：氟橡胶，高腈丁腈橡胶，聚四氟乙烯，环氧树脂涂料，耐油醇酸树脂，尼龙，聚甲醛树脂，聚甲撑氧，聚苯并噻唑

Quinone: Any member of a class of cyclic organic compound s comprising a six-membered unsaturated ring to which two oxygen atoms are bonded as carbonyl groups (-C=O; see functional group).

醌：在六元不饱和环中，含有两个紧邻的，或被乙烯基撑隔开的羰基的环状有机化合物的统称。

Spinodals of polystyrene/poly/poly(2,6 dimethyl 1,4 phenylene oxide) were simulated over a wide temperature range and the calculated resul...

将上述方法用于已知状态方程参数的三元均聚物共混物聚苯乙烯／聚甲基乙烯基醚／聚2，6－二甲基1，4－苯撑氧中，得到一系列不同温度下的spinodal相图，预测结果与文献报导吻合。在此基础上进一步研究了聚合物的分子量对体系相行为的影响。

Afterintroduction of basic electroluminescent theory of polymers and discussion of the studysituation of electroluminescent polymers and polyphenylene vinylene particularly, therelationship among structure, solubility and electroluminescent properties was studiedIn this paper, polyether-type PPV, polythioether-type PPV, and PPV containingoxadizole, biphenylene, or saturated aliphatic unit were synthesized, the monomers andpolymers were characterized as well.

在讨论了电致发光聚合物的基本发光原理并深入地分析了国内外有机电致发光聚合物尤其是聚苯撑乙烯的研究现状与发展趋势的基础上，论文着重研究了PPV衍生物的结构与它的可溶性以及电致发光特性的关系。

Poly{[2-(4-biphenylamino)phenyl]phenylenevinylene} was prep-ared with 4-nitroanline which was coupled with p-xylene,throughreduction、idionization、Ullmann reaction、bromization、condensepolymerizationto get the final product.

本文提出了两条合成聚(2-芳基苯撑乙烯)的新路线，即聚{ 2-[4-苯基]苯撑乙烯}是以对硝基苯胺为原料，其与对二甲苯经改良的Gomberg-Bachmann反应偶联、再通过还原、碘化、Ullmann反应、溴化、缩聚反应得到。

The synthesis of poly{2-4-[bi(4-tetrabutylphenylamino]phenylphenylenenvinylene} was beginwith 4-tetrabutylbenzoic,through acylation、Hoffmann rearrangement、bromization、idionization、Ullmann reaction、bromization、condensepolymerization.

聚{2-[4-二(4-叔丁基苯胺基苯基]苯撑乙烯}是以对叔丁基苯甲酸为原料，经酰氯化、酰胺化、Hoffmann降解、碘化、Ullmann反应、溴化、缩聚反应得到。

The formation mechanism for the C-PPV aggregation we proposed is: complex between K+ and the crown ether derivatives in the C-PPV brings two polymer chains closer together, and the K+ ions create interpolymer bridges, forming aggregations in the solution.

本文合成了可溶的带冠醚取代基的聚苯撑乙烯，其中冠醚基团的氧原子直接连在PPV主链上苯环的2、3位，并研究了聚合物在K~+存在下的自组装形成聚集体的行为。

Olid state cathodoluminescence of poly 2-methoxy-5-(2-ethyl-hexyloxy-1,4-phenylene vinylene in devices with Si3N4 as the electronic accelerating layer

i3N4做电子加速层的聚［2-甲氧基-5-(2-乙基-己氧基)-1，4-苯撑乙烯撑］固态阴极射线发光

Poly and its derivatives are a kind of promisingmaterials used in electron luminescent devices and solar cell. Thus, study on themechanism of photooxidative degradation of phenylenevinylenes is significantlymeaningful in synthesizing stable functional materials.

聚对苯撑乙烯及其衍生物在有机发光器件和太阳能电池领域有着广阔的应用背景，因此研究其光氧化降解机理，对于设计合成更稳定的、性能更优良的有机材料，来提高器件使用寿命有着现实的指导意义。

In this paper, a series ofmodel compounds of PPV--M-PPVs were synthesized. All of the M-PPVscontained two bridge double bonds that connect the phenyl rings. The research ontheir photooxidative degradation of the M-PPVs including mechanism and kineticswas systemetically conducted.

本文设计合成了一系列含有两个桥双键的聚对苯撑乙烯的模型化合物，并对它们的光氧化降解反应与氧化机理进行了深入系统的研究，并探讨了M-PPV在不同微环境下的发光性质，主要结果如下：一。

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。