查询词典 complex

The conclusion is that the building of hydrostation will change not only the amount and or of river ecosystem services ,but also the accepter of these services.And further more,enormous benefits gained from hydroelectricity is at the price of the decrease even the vanishment of some ecosystem sersvices and the resulted complex social and economic problems.

研究认为，水电站建设使河流生态系统提供的各项服务的量、形式以及服务对象等都发生了巨大的变化和转移，而且水电巨大经济效益的产生是以部分"廉价"享用的生态系统服务的降低或丧失以及由此引发的错综复杂的社会、经济问题为代价的。

From the structural characteristics of view, this complex can be a type or bond-type electron acceptor.

从结构特点来看，这种络合物可以是电子接受型或氢键型。

It was registrated in Genbank with the accession number AF174394. CONCLUSION ATRA induced apoptosis of DU 145 cell is a complex process with multiple genes invol...

维甲酸诱导前列腺癌细胞 DU- 145凋亡的过程是一个多基因参与的复杂过程，pcar可能是参与这一过程的基因之一

Finally, the increasingly complex programs that have engaged Meier's architectural talents over the past decade demand the same sort of accretive process enacted in the sculptures.

最后，迈耶这项复杂而有趣的计划凝聚着他过去十年的智慧和心血。同样，在迈耶的雕塑创作中也可以察觉到一种与此计划密切相关的过程。

The catalytic esterification of acetic anhydride and nine phenols were investigated in the presence of complex resin catalyst at 20 ℃,and its mechanismes were discussed.

研究了 2 0℃时，醋酸酐与九种酚在复合树脂催化剂下的催化酯化反应，并探索了其反应的机理。

It was found that copolymerization of selected acetylenes with different polarity by using palladium acetylide complex catalysts is an effective method for improving solubility of polymers, especially doped polymers, which makes the above mentioned polymers and doped ones a new type of π-conjugated sensing material for preparation of thin film humidity sensor.

研究发现，以新型过渡金属钯-炔配合物为催化剂，通过选择具有不同极性的取代乙炔单体进行共聚，可有效地提高聚合物的溶解性，尤其掺杂聚合物的溶解性，实现可溶酸掺杂，继而开发出上述系列新的π-共轭型聚炔湿敏材料，用以制备薄膜型湿敏元件。

The platinum terpyridyl acetylide complex containing a simple amine group in the acetylide ligand could be utilized as a chemo-sensor for detection of micromolar concentration of protons by monitoring the changes both in luminescence and color.

实验发现： 1.4-N，N-二甲基苯乙炔为辅助配体的三联吡啶Pt络合物TA在质子存在下吸收和发光变化明显，因此可以通过颜色或发光的变化检测微量质子的存在。

The absorption spectra of the terpyridyl platinum acetylide complex containing monoazacrown moiety in the acetylide ligand was blue-shifted upon complexation with metal cations.

对位带有氮杂-15-冠-5冠醚的苯乙炔为辅助配体的三联吡啶Pt络合物TAC在金属离子的存在下吸收光谱的变化明显不同。

The energy of excited state depended on the nature of different cations. 3. 4-(4-tolyl)-6-phenyl-2, 2'-bipyridine platinum acetylide complex containing a monoazazcrown moiety in the acetylide ligand could signal Mg〓 specifically and displayed large changes both in color and in luminescence intensity upon complexation with Mg〓. The most striking result was that it could signal Mg〓 specifically even in the presence of alkali and alkaline earth metal ions in high concentrations.

对位带有氮杂-15-冠-5冠醚的苯乙炔为辅助配体的4-（4-甲基苯基）-6-苯基-2，2'-联吡啶Pt络合物AC，不仅在碱金属和碱土金属的存在下吸收光谱明显改变，更有意义的是，它只有在Mg〓离子存在时能够发光，因此可以通过发射光谱选择性的识别Mg〓，尤其可以在高浓度的其它金属离子存在下选择性的检出Mg〓离子。

ABSTRACT Homopolymerization and copolymerization of substituted acetylenes with different polarity by the transition metal acetylide complex catalysts PPO, Pd (PPh〓〓〓; PPB, Pd〓 C≡CC (CH〓〓OH 〓etc.

首次以过渡金属钯-炔配合物为催化剂（PPO，Pd〓〓；PPB，Pd〓〓等），实现了具有不同极性取代乙炔单体的均聚和共聚。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。