化学合成

The synthesis of designed for an organizing functionalized system by supramolecular interaction is emphasized. We have designed three series of compounds and explored their properties.1 Two asymmetry derivatives from pyridinium and their complexes have been synthesized and characterized.

合成了两种不对称吡啶衍生物，将它们和硫氰酸盐组装成了三种配合物，得到了三个配合物单品，并分别用红外、核磁、电喷雾、单晶解析现代化学手段进行了表征，研究了它们的固体荧光性质。

The chemical activity of PbO and Nb〓O〓 is much higher than that of MgO. It results in that pyrochlore phases are easily formed. Performances of 〓 solid solution are damaged when pyrochlore phases exist.

由于MgO的化学活性低，而PbO和Nb〓O〓的反应活性大大高于MgO，因此在一次性合成PMNT材料过程中会形成烧录石相，得不到纯钙钛矿相，并且将导致材料性能下降。

Four hemicyanine derivatives,-N-(4-sulfobutyl)-4-[2-(4-N,N-dimethylamino-phenyl) etheny1] pyridinium (P1),-N-(4-sulfobutyl)-4-[2-(4-N,N-dimethylaminophenyl)-1,3-buteny1] pyridinium (P2),-N-(4-sulfobutyl)-4-2-(4-N,N-dimethylaminophenyl) ethenyll quinolinium (Q1) and-N-(4-sulfobutyl)-4-

合成了具有不同共轭链长度的吡啶盐类及喹啉盐类半菁染料-N-（4-磺酸丁基）-4-[2-4-N，N-二甲基氨基苯基）乙烯基]吡啶鎓盐(P1、-N-（4-磺酸丁基）-4-[2-4-N，N-二甲基氨基苯基）丁二烯基]吡啶鎓盐(P2、-N-（4-磺酸丁基）-4-[2-(4-N，N-二甲基氨基苯基)乙烯基]哇琳鎓盐(Q1)以及-N-（4-磺酸丁基）-4-[2-4-N，N-二甲基氨基苯基丁二烯基]喹啉鎓盐(Q2)。研究了它们的光物理性质，并将它们用作TiO2纳米晶电极的光敏化剂引入光电化学电池。

As flux used in light metal processing for metal surface treatment; as component in the production of aluminum-titanium-boron alloys and for the fabrication of grinding wheel and abrasive disc to reduce operating temperature; as flux used in welding; as fire retardent for cotton and artificial fibre; rodent for the removal of exposed lead in printed circuit board; chemical analytical reagent in electrochemistry; used to melt with silver, gold, stainless steel; as material to produce boron alloys.

作为熔剂用于轻金属加工对金属表面处理，制造铝钛硼合金和作砂轮研磨盘的成份，以降低操作温度；用于焊接上作助熔剂及制造其它氟盐的原料；用作棉花和人造纤维的阻燃剂，用来清除印刷电路中露出铅的侵蚀液；用于电化学合成的化学分析试剂，用于熔接和熔合银、金、不锈钢等金属，可做铝镁浇铸生产含硼合金的原料。

Our research project is focused on the synthesis, structures, spectra characterization and activity research of metal complexes with an amino-Schiff base derived from the salicylaldehyde using as SOD mimics.

本论文的研究主要集中在含有水杨醛氨基乙酸席夫碱的SOD模拟配合物的合成、结构、光谱、热分解动力学，量子化学计算以及SOD活性的测试这几个方面。

Homogeneous,highly crystalline Se and Te nanowires were prepared by a chemical solution process using selenious acid and orthotelluric acid as precursor materials.

采用化学液相反应，以亚硒酸或者原碲酸为原料，合成出尺寸均匀、高结晶度的硒、碲纳米线。

The silver nanoparticles were synthesized using sesbania gum at hot temperature and characterized with UV-visible absorption spectroscopy, Scanning electron microscopy and transmission electron microscopy.

本文使用绿色化学方法，选用天然高分子多聚糖田菁胶为还原剂和稳定剂，一步合成了一种具有环保特性的、稳定性好的银溶胶。

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。

And the two steric chemical problems of the synthesis were discussed.

对于其中涉及到的两个立体化学问题选择性地合成了2-脱氧-2-硝甲基分枝糖（50）。

After the type 1 diabetic encephalopathy rat models were set by streptozotocin for 5 days, insulin and saline were used respectively to treat the related model rats for 55 consecutive days. Morris water maze and bromodeoxyuridine immunohistochemistry were used to detect the changes in spatial memory and learning, and the neural stem cell proliferation in the subgranular zone of hippocampal dentate gyrus of each rat group.

在用链脲佐菌素建立1型糖尿病脑病模型后的第5天，分别用胰岛素和生理盐水替代治疗55天，再通过Morris水迷宫测试及5-溴脱氧尿嘧啶（BrdU，神经干细胞DNA合成的标记物）免疫组织化学方法，分别观察和比较各组大鼠SGZ神经干细胞增殖和空间学习记忆的动态变化。

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