-噻唑烷

The aliquot was determined and confirmed by gas chromatography-negative chemical ionization mass spectrometry using external standard method.

样品中三唑醇残留物由正己烷饱和的乙腈(含1%冰醋酸)提取，加入无水硫酸镁与无水醋酸钠振荡促使提取液分层后进行固相分散萃取净化，用气相色谱-负化学离子源质谱法进行测定与确证，外标法定量。

One of them can efficient catalysed the alkene in the absence of dear additives by introducing an imidazole in the salen ligand.

其中分子内含咪唑的手性吡咯烷Mn催化剂成功实现了不加昂贵添加剂的情况下高效催化取代色烯环氧化反应。

Ingredients: Rose oil, rose fruit Oil, clove flower oil, deionized water, isopropyl myristate, glycerol, propylene glycol, polyethylene glycol -400, central PDMS, poly dimethyl siloxane, PDMS alcohol, polyacrylamide, C13-14 iso-paraffin, octoic acid / capric Acid Triglyceride, lauryl alcohol -7, hydroxyethyl acrylate, acryloyldimethyltaurate copolymer, squalane, poly sorbate esters -60, PEG-20 sorbitan laurate, panthenol, allantoin, methyl p-hydroxybenzoate, diazolidiny1 urea, 3-iodo-2-propynyl-butyl-carbamate, essence.

产品成分：玫瑰精油、玫瑰果油、丁香花油、去离子水、肉豆蔻酸异丙酯、甘油、丙二醇、聚乙二醇-400、环聚二甲基硅氧烷、聚二甲基硅氧烷、聚二甲基硅氧烷醇、聚丙烯酰胺、C13-14 异链烷烃、辛酸/癸酸甘油三酯、月桂醇醚-7、羟乙基丙烯酸酯、丙烯酰二甲基牛磺酸钠聚物、角鲨烷、聚山梨酸酯类-60、PEG-20 失水山梨醇月桂酸酯、泛醇、尿囊素、对羟基苯甲酸甲酯、双咪唑烷基脲、碘代丙炔基丁基甲氨酸酯、香精。

Polybenzimidazolewas modified by means of blending with a novel heat-resistant resin methyl-di-phenylacetylene-silane,by which the meltability of PBI was impoved,and the time of the melting stage of PBI was prolonged,resulted in improvement of the processability of PBI,meanwhile the heat resistance of PBI did not decline,and the water absorption of PBI was lowered.

以一种新型耐高温树脂聚甲基二苯乙炔基硅烷通过共混改性聚苯并咪唑树脂，提高了PBI树脂的熔融性并延长了树脂熔融状态的时间，改善了PBI树脂的加工性能。同时PBI优良的耐热性保持不变，并降低了树脂吸水率。

In this paper, PPVs derivatives with alkoxyl as side-chain and PPVs derivatives containing oxadizole were synthesized; the monomers and polymers were characterized as well. It was studied systemically the influence of component and molecular structure of main-chain and side-chain or side-groups on polymer solubility, electroluminescent and photoluminescent properties, thermostability, and light-emission device performance.

合成了烷氧取代以及主链中含有噁二唑的PPV衍生物，详细研究了各种单体和相关聚合物的合成并对其结构与性能进行了表征，系统研究了聚合物主链、侧链或侧基的组成与结构特征对聚合物的可溶性、电致发光特性、光致发光特性、耐热性以及电致发光器件性能的影响。

Firstly the mid-pruduct imidazoline was produced by reaction of naphthenic acid and diethylene triamine, then the corrosion inhibitor amphoteric imidazoline, which is soluble in water, was produced by reaction of imidazoline and sodium monochloroacetate in aqueous solution.

以高纯环烷酸与二乙烯三胺反应合成了中间体咪唑啉，再以去离子水为溶剂，用氯乙酸钠对该中间体进行两性化，制得了水溶性两性咪唑啉缓蚀剂。

Objective To modify the synthesis of Benzhydryl 2α- methyl - 2β- [ ( 1,2,3 -triazol - 1 - yl)- methyl ] penicillanate - 1,1 - dioxide, the key intermediate of β- lactamase in-hibitor tazobactam.

目的 改进β-内酰胺酶抑制剂泰唑巴坦关键中间体2α-甲基-2β[(1，2，3-三唑-1-基)-甲基]青霉烷酸砜二苯甲酯的合成。

The in vitro drug-release tests of the microcapsules were studied and the inhibition toward Staphylococcus, Hay Bacillus and Escherichia coli by their extravasates respectively were also performed via pervasion method.

方法是将头孢唑啉钠溶于海藻酸钠的PBS溶液，用正己烷／Span-85乳化形成微乳溶液，然后用CaCl2单凝聚固化得头孢唑啉钠的微胶囊；利用扩散法研究了该微胶囊渗出液对金黄色葡萄球菌、枯草杆菌和大肠杆菌的抑制作用。

METHODS:Ceftizoxime acid was prepared with 7-Amino-3-norcephem-4-carboxylic acid(7-ANCA)and AE-ester ceftizoxime acid as raw material;then ceftizoxime sodium was obtained through the reaction between ceftizoxime acid and sodium carbonate.

以粗品7-氨基-3-烷基头孢烷酸和AE活性酯为原料合成头孢唑肟酸，再与无水碳酸钠反应制得头孢唑肟钠；同时研究反应时间、乙醇用量和滴加时间、无水碳酸钠的用量以及pH值对产品质量的影响。

Oxazaborolidine, which derive from the coordination of amino alcohol and borane, are good catalysts for the borane reduction reaction. A kind of fused cyclic oxazaborolidine invented by Corey and derived from proline has been successfully used in the production of MK-0417 as excellent chiral catalyst by Merck company.

在该反应中氨基醇类配体原位与硼烷配位形成的手性恶唑硼烷是该反应的良好催化剂，其中Corey等发明的由脯氨酸出发制备的稠环手性催化剂性能优异，已经在Merck公司生产碳酸酐酶抑制剂MK-0417中得到成功应用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。