合成地

Diblock polymer MPEG-PLA of low molecular weight was successfully synthesized with stannous octanate as catalyst.

以辛酸亚锡为催化剂成功地合成了低分子量的MPEG—PLA两嵌段聚合物。

MCM-41, HMS, and MSU mesoporous silica molecular sieves were prepared via S〓I〓, S〓X〓I〓, S〓I〓, and N〓I〓 assembly pathway, in which cetylpyridium bromide, tetredecylamine, and polyoxyethylene (10) stearyl ether was used as the template, respectively. The mesostructures were characterized and confirmed by XRD, N〓 adsorption/desorption, TG, and high resolution TEM. The difference and relationship between these mesophases were also investigated.

分别以溴代十六烷基吡啶、十四胺和十八烷基聚氧乙烯基醚为模板剂，通过S〓I〓、S〓X〓I〓、S〓I〓和N〓I〓&超分子组装模式&合成了具有MCM-41、HMS和MSU结构的介孔SiO〓分子筛，用XRD、N〓吸附/脱附、TG和高分辩TEM等方法对它们的骨架和孔道结构进行了表征，并系统地比较了这几种介孔结构之间的区别与联系

Grace Slim-cellulose capsule Breakthrough tradition thin body concept, Creates the thin body new times,Grace Slim-cellulose capsule Take the traditional keeping in good health idea as the basis, Union modern science metabolism balanced theory, Selects: Aloe distill, Spore farina, Spirulina powder, Vitamin, Chitin, The pure medicine food homology plant fine becomes, It includes the many kinds of amino acids, Vitamin, Meals cellulose, Human body essential trace element, Through slows down the fat synthesis, Balanced nutrition metabolism, Acceleration Steatolysis, Continues moderately to reduce the fat

雅姿丹塑形纤维素突破传统瘦身概念，创造瘦身新时代，雅姿丹塑形纤维素以传统养生理念为依据，结合现代科学的代谢平衡理论，选用芦荟提取物，灵芝孢子粉，螺旋藻，维生素，甲壳等纯正药食同源植物精致而成，。它含有多种氨基酸，，维生素，膳食纤维素及人体必需的微量元素，通过减缓脂肪合成，平衡营养代谢，加速脂肪分解，持续适度地减少脂肪。

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）。

The preparation of borneolacetate catalyzed by nanometer solid superacid and its reaction kinetics were studied.

比较系统地研究了纳米固体超强酸催化合成乙酸冰片酯的反应，并对反应的动力学进行了初探。

In the first part of this thesis, synthesis and applications of MCM-48 and Al-MCM-48 are systemically studied.

本文第一部分系统地研究了MCM-48、Al-MCM-48的合成和应用。

The results suggested that TECA BALSS could replace temporarily the functions of failure liver by the effects of biologic transform and synthesis of porcine hepatocytes.

提示此型BALSS的猪肝细胞通过透析膜可较好地发挥肝细胞的生物转化及合成代谢等功能，以此达到暂时替代衰竭肝脏功能的效应。

A series of copper halides in one, two, or three dimensions have been successfully synthesized such as rhomboid dimers of stoichiometry [Cu2X2L2]n, the tetranuclear species on cubane or stepped cubane tetramers of stoichiometry [Cu4X4L4]n and hexagonal[Cu6X6] grid chains.2 The main strategy in crystal engineering is a secondary building block approach.3 For a given building block, there are two routes to construct frameworks.

在一维、二维或三维的一系列卤化铜已经成功地得到了合成，比如化学计量法[Cu2X2L2]n的长菱形二聚物、化学计量法[Cu4X4L4]n和六边形[Cu6X6]网格链的在立方烷上的四核类或阶梯式立方烷四聚物。[2] 在晶体工程上的主要策略是一种次级构件途径。[3] 对于一给定的构件来说，有两条构件骨架的路线。

Two oligosaccharides, a hexasaccharide fragment of group E Streptococcus polysaccharide and a tetrasaccharide repeating unit of E. coli O7: K98: H6, consisting of α-(1→2)-and α-(1→3)-linked rhamnose backbones were synthesized in a regio-and-stereoselective manner.

以三氯乙酰亚胺酯为供体，不保护或部分保护的糖为受体，成功地合成了以α-（1→2）-和-α（1→3）-交替连接的鼠李糖为主链的GroupE Streptococcus六糖和E.coli O7：K98：H6四糖。

Ten novel derivatives of 1-phenyl-5-[5-(substituted anilinocarbonylmethylthio)-4-phenyl-1,2,4- triazol-3-ylmethylthio]-tetrazole were synthesized rapidly in high yields by the reaction of N--2-chloryacetanilide (3) with 1-phenyl-5-(5-mercapto-4-phenyl-1,2,4-triazol-3-ylmethylthio)-tetrazo- le (2) under microwave irradiation and phase transfer catalysis conditions.

采用微波和相转移催化法通过1-苯基-5-(4-苯基-1，2，4-三唑-5-巯基-3-甲硫基)四唑(2)与2-氯乙酰芳胺(3)反应高效、快速地合成了10种尚未见文献报道的1-苯基-5-[5--4-苯基-1，2，4-三唑-3-甲硫基]四唑。其结构经IR，1HNMR，13CNMR和元素分析表征。生物活性实验结果表明，该类化合物在较低浓度下部分化合物对小麦芽有很好的促进作用

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