合成体

The ameloblasts are the key cells during odontogenesis, and they have been already cultured in vitro. The amelogenin is the extracellular matrix synthesized and secreted by the ameloblasts, and it plays a crucial role during amelogenesis.

成釉细胞是牙器官形成的关键细胞，国内外已成功离体培养出成釉细胞，成釉细胞合成和分泌的细胞外基质－釉原蛋白在釉质的形成中起着关键作用。

Usage: useful for pharmaceutical intermediate, especially useful for intermediate of synthesis aids inhibitor and metallocen catalyst for olefine polymerization.

用途：用作有机功能材料，医药合成中间体以及烯烃聚合用金属茂络合物催化剂配位体。。

Usage: useful for pharmaceutical intermediate,especially useful for intermediate of synthesis aids inhibitor and high temperature resistant resins and metallocen catalyst for olefine polymerization.

用途：用作各种医药合成中间体，特别是抗艾兹病药物，治疗糖脲病药物以及治疗心律不齐病药物的中间体以及烯烃聚合用金属茂络合物催化剂配位体和透明的耐热性树脂原料。

A new method is presented for synthesis of organosilicon compounds directly from precipitated white carbon black by reduced pressure distillation.

该文研究了以沉淀白炭黑为原料，采用减压蒸馏法直接合成六配位体有机硅化合物的新方法。

First Total Synthesis of OSW-1, an Exceptionally Potent Antitumor Saponin OSW-1, an acylated disaccharide steroidal saponin isolated by Sashida in 1992 from a plantnamed Ornithogalum saundersiae without any medicinal background, was one of the most potent antitumor agent to date with the cytotoxicity activity as 100 times potent as many other anticancer drugsclinically used.

一、极强抗癌活性皂甙——虎眼万年青皂甙(OSW-1)的首次全合成：虎眼万年青皂甙OSW-1是一个新近由日本化学家从非药用植物Ornithogalumsaundersiae中分离出来的具有极强抗癌活性的酰化二糖甾体皂甙，它对多种癌细胞的毒性比临床用药高100倍以上。

A simple one-step procedure was described for the synthesis of mesoporous monolith and composite sphere, in which hydrolyzation of tetraethyl orthosilicate and polymerization of urea with formaldehyde occurred at the same time.

利用酸性条件下正硅酸乙酯的水解和脲醛树脂的聚合反应同时一步原位进行的方法合成了二氧化硅复合粉体(包括核壳微球结构和网状结构)和块体凝胶材料。

The biochemistry and image analyzing were used to investigate the effects of the PDGF-AA at high concentration on the osteoclastic bone resorption in the osteoblast-osteoclast co-culture system.

在高浓度PDGF-AA的作用下，应用生化检查和图象分析技术，检测PDGF-AA对成骨细胞-破骨细胞共育体系中破骨细胞骨吸收功能的影响；应用免疫荧光检测破骨细胞合成抗酒石酸酸性磷酸酶的变化；应用免疫组化和RT-PCR技术检测骨保护素配体的表达。

The molecular structures of these tuned phenanthroline derivatives with triphenylamine and oxadiazole groups and their europium complexes were characterized by element analysis and 1H NMR.

合成得到的功能化邻菲罗啉中性配体及其铕配合物的分子结构通过元素分析、核磁共振波谱进行了表征。

The alkali metal complexes containing oxadiazole ligand were synthesized and we found that the emission color was dependent on the central ion.

合成了含有噁二唑配体的碱金属配合物MOXD。我们发现配合物的发光颜色取决于中心金属离子，LiOXD是一个优良的蓝光材料，半峰宽是65nm，发射峰位在478nm，它也可以作为界面材料使用，起到和LiF相同的作用，即改善电子注入。

In a DMF solution of CuCl〓-ethanolamine-acetic acid (1: 2: 2), 27 formed a highly oxidized heterocyclic compound 2-hydroxymethyl-naphtho [1, 2-a] oxazole (30) by the carbon-nitrogen coupling and carbon-oxygen coupling with the ligand of ethanolamine, which brings a chance to develop a novel approach to this heterocyclic compound via one-pot reaction of phenols under mild condition.

在氯化铜—乙醇胺—乙酸（1：2：2）的DMF溶液中，27与配体乙醇胺发生碳氮偶合与碳氧偶合，生成深度氧化的杂环化合物：2-羟甲基-萘并[1，2-a]〓唑（30）。这可望为酚类一锅化直接转化为30及其类似物提供一种简便的新合成路线。

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