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The conference in The Hague began prosaically, as a forum to discuss Afghanistan with troop contributors and donors excluded from NATO's 60th-anniversary "family only" summit on April 3rd-4th.

海牙的会议显然的成了一个讨论谁为去阿富汗提供军队的论坛，而把北约4月三号到四号的六十周年成员峰会置之度外。

Because of the exciting prospect of this kind of materials by direct two photon excitation, thirty pyridinium compounds with six different donors and four different anions have been synthsized and their two photon excited luminescent properties have been studied.

由于这些材料诱人的应用前景，我们以这类吡啶盐为研究对象，合成并系统研究了包含6种推电子基、四种不同阴离子共30个吡啶盐的双光子上转换发光性质。

The X-ray crystal structure analysis of the complexes shows that all lanthanidecomplexes exhibit a tripodal ligand coordination mode, with three imino nitrogenfrom benzimidazolyl and pyridyl group, and one amino nitrogen atoms as donors.The ligands show two kinds of configuration: the fan-like and the pincer-like. Bothintra- and intermolecular π-π interactions are found in these complexes.

晶体结果表明，在所有的稀土配合物中，三脚架配体均用三个支脚上的苯并咪唑、吡啶环氮原子及一个顶端的氮原子和稀土离子进行配位，表现出三脚架式配位方式，同时，三脚架配体有风扇形及钳子形两种空间配位构型，并形成了分子内及分子间的π-π堆积作用。

Pyridyl/bispyridyl acceptor emitters, encapsulated with 1,3,4-oxadiazole dendritic donors in proper acceptor/donor molar ratios.

当作成元件时，连接高代数的树枝状OXD的高分子呈现稳定的蓝光波长，其光电特性优於传统聚茀高分子。

All donors were categorized for multiple characteristics of ECD, and using multivariate survival models a retransplant donor risk index was developed.

所有的供者根据ECD的不同特性分类，并采用再次移植供者危险指数的多元生存模型。

Lookback has been completed for 46 of the 395 seropositive donors.

追溯方案已经治愈了395个血清阳性献血者中的46个。

This Ph.D. thesis describes further studies on theformation of fluorinated phosphorus ylide-anions resultingfrom organometallics and their reactions, stereochemistry andapplications in organic synthesis. We found that inverse stereochemical results wereobserved in the reaction of the fluorinated ylide-anions withvarious proton donors.

本博士论文进一步研究了用有机金属试剂对含氟膦叶立德的亲核加成导致的叶立德阴离子的反应性、立体选择性及其在有机合成中的应用：首次发现含氟叶立德阴离子在与不同的质子化试剂作用时，反应呈现完全相反的立体化学结果。

The facts indicate that apart from the asymmetric induction of chiral diamine backbone,sterically hindered substitute groups on the aromatic rings,and the presence of sp~3-hydridized amino donors and its N,N\'-disubstituted groups in chiral SalanCrX complexes all play important roles in controlling polymer stereochemistry and enantioselectivity.

研究发现除了手性二胺骨架的不对称诱导作用，苯环上的大位阻取代基、N，N\'-二取代基的位阻作用以及N原子上sp~3杂化的供电子效应都对调控聚合物的区域和对映体选择性有很大作用。

MATERIALS: Bone marrow aspiration samples in this study were obtained sterilely from human donors without severe hematopietic and genetic diseases.

材料：骨髓来源于临床骨髓穿刺检查正常患者，无血液系统疾病和家族遗传病史。

Among hydrogen donors tested, tetralin has the biggest effect on super heavy oil aqua-thermolysis.

供氢剂中四氢萘对超稠油水热裂解影响最大。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失