乙烯

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。

Most importantly, the LUMO energies of PFCN are around 1 eV lower than those of PF, which results in the decrement of EA about 0.9 eV, indicating that the 1,2-bis( p -phenylene)-1-cyanovinylene unit has significantly improved the electron-accepting properties of the copolymer PFCN.

更重要的是，PFCN和PPhCN的最低空轨道比聚芴低近1 eV，直接导致电子亲和势降低0.9 eV。这意味着含氰基亚乙烯基共聚物的电子注入能力大大提高。

From comparison with poly(2,7-fluorenylene), the 1,2-bis( p -phenylene)-1-cyanovi- nylene unit was found to be a good electron-withdrawing moiety for electronic materials and the incorporation of 1,2-bis( p - phenylene)-1-cyanovinylene resulted in a narrow band gap and a red shift of both the absorption and photoluminescence emission peaks.

通过与聚芴对比，发现对于电致发光材料来说，由于氰基的强吸电子能力使得氰基亚乙烯基成为一个很好的吸电子基团，与之结合使得能隙变窄，吸收和发射光谱发生红移。

In addition, the studies ofphotophysical and photochemical behavior of phenothiazines bymeans of laser flash photolysis were carried out.

此外，用激光闪光光解技术研究了吩噻嗪衍生物的光物理和光化学性质，并探讨了有三乙胺、四氰乙烯存在时对光解产物的影响。

Ethylene,a phytohormone,plays an extensive role in plant growth and development.

乙烯在植物生长发育过程中发挥着重要的作用。

Ethylene, as a very important phytohormone, regulates a variety of developmental process in plants.

乙烯作为一种重要的植物激素，对植物的生长发育起着调节作用。

As ethylene is a versatile phytohormone, its response pathway has multiple interactions with other signaling pathway.

由于乙烯是一种多功能的植物激素，其信号途径与其它信号途径有多重的交叉。

The mechanism for synthesizing piperazine has been discussed ,and its macrokinetics model has been founded, the activation energy and reaction velocity constant of piperazine and TEDA has been obtained, the results provided theoretic basis for industrialized production.

对合成哌嗪的机理进行了探讨，并建立了该过程的宏观动力学模型，求出了生成哌嗪和三乙烯二胺的活化能及反应速率常数，为工业化生产提供了理论依据。

When A〓 is divinyl sulfone , and BB'〓 is 1-(2-aminoethyl) piperazine, no gelation was observed in water or organic solvents.

当A〓为二乙烯基砜，BB'〓为1-（2-胺乙基）哌嗪时反应在水和有机溶剂中都不会凝胶。

The details of this route as follows:With the piperidine as catalyst, p-hydroxylbenzaldehyde condensed with thiazolidine-...

同时，本文还对反应过程中产生的5-乙基-2-乙烯基毗啶、5-乙基-2-羟乙基吡啶、5-[(4-羟基苯基)甲基]-2，4-噻唑烷二酮、5-4-

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。