苯胺

At present, the investigation about this aspect is concentrate on the pure inorganic cathodal electrochromic materials like WO3 and organic electrochromic materials like Prussian blue and Polyaniline.

关于这方面的研究却主要集中在以WO_3为代表的一元无机阴极电致变色材料和普鲁士兰、聚苯胺为代表的有机电致变色材料上，对多元的电致变色材料的研究较少。

At present, the investigation about this aspect is focused on the pure inorganic cathodal electrochromic materials as WO_3 and organic electrochromic materials as and Polyaniline and viologens. But for the organic-inorganic doped electrochromic materials, the research is very lack.

目前关于电致变色材料的研究主要集中在以WO_3为代表的无机阴极电致变色材料和以聚苯胺和紫罗精为代表的有机电致变色材料上，对有机-无机多元掺杂的电致变色材料的研究不多。

Methods: A 5ml bone marrow was extracted from the lilac of human volunteers. By Percoll fluid and density gradient centrifugation, the MSC was obtained; after the cells filled the bottom of vessel, subcultured them, when they subculture in third generation, redigested them, 500 R/min centrifugate, alter the completed medium to chemical definition medium, examined the form change and prolifration of cells by invert microscope, toluidine blue stain、immunocytochemical stain and RT-PCR to test the type Ⅱ collagen mRNA and proteoglycan.

取健康成人髂后上棘处骨髓5ml，经percoll液分离后密度梯度离心，〓／ml密度接种培养，观察原代细胞的贴壁、增殖状况，细胞长满瓶底后进行传代培养；传至第三代细胞，重新消化后以500转／分钟轻度离心5分钟，〓／ml接种，改用化学限定培养基代替完全培养基培养，倒置显微镜观察细胞生长情况及形态变化，甲苯胺蓝染色观察诱导细胞合成细胞外基质中的蛋白多糖，免疫细胞化学染色检测ECM中Ⅱ胶原的蛋白合成，RT-PCR鉴定诱导细胞Ⅱ胶原mRNA的表达。

Five polychlorobiphenyl monomers were synthesized by addition-elimination reaction between chloric aniline and benzene in the presence of alkaline.

在碱性的条件下，以氯代苯胺为重氮化试剂，与苯、氯苯等发生加成反应，合成了5种多氯联苯单体，其结构经1H NMR和IR表征。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工艺2，6-二氯-3-甲基苯胺调查3-甲基首次N-乙酰与醋酸酐，然后与氯磺酸和氨产量 2-甲基-4--苯磺酰胺基，而擅转乙酰，氯化和水解的标题compound.hydrochloric酸代替氢氧化钠乙酰氯酸钠代替双氧水为氧化剂，加氯。

Part one Isolating, culturing, chondroblast induction and evaluation of human MSC in vitroObjective:To examine the property and proliferation ability of primary culturing MSC ,mvestgate the effect of lightly centrifugation and chemical definition medium to induce MSC differentiate into chondroblast.

结果：原代骨髓基质干细胞易于体外培养，增殖旺盛；经轻度离心和化学限定培养基诱导后细胞呈高密度生长，仍保持较旺盛的增殖能力，细胞转化成圆形肥大细胞，甲苯胺蓝染色显示软骨细胞外基质 v的特异性异染，11胶原蛋白免疫细胞化学染色呈强阳性，BT干CR鉴定显示＊胶原mRNA丰富的表达。

The aim are:lTo examine the proliferation ability and potential chondroblast differentiation ;2To find an ideal condition stimulated BMSC differentiate into chondroblast;3To examine the chondroblast proliferation in porous scaffolds and to explore the interaction between cells and materials;4To examine the release of cytokine in vitro.

取健康成人略后上棘处骨髓 5ml，经 percoll液分离后密度梯度离心，10'砌l密度接种培养，观察原代细胞的贴壁、增殖状况，细胞长满瓶底后进行传代培养；传至第三代细胞，重新消化后以500转／分钟轻度离心 5分钟，10V加 l接种，改用化学限定培养基代替完全培养基培养，倒置显微镜观察细胞生长情况及形态变化，甲苯胺蓝染色观察诱导细胞合成细胞外基质QCM）中的蛋白多糖，免疫细胞化学染色检测ECM中＊胶原的蛋白合成，RT干CR鉴定诱导细胞＊胶原mRNA的表达。

RESULTS: At 16 weeks after the compound of after-induced chondrogenetic BMSCs and SIS were transplanted, the materials had been completely absorbed and there were new cambium in the experimental group, which proved to be chondrocytes after hematoxylin-eosin stain, Massan stain and Toluidine blue dyeing.

结果：诱导软骨细胞-小肠黏膜下层复合物在植入体内16周时材料明显被吸收完全，且有软骨生成，与正常组织未见明显区别，但修复层软骨较薄。经苏木精-伊红染色，Massan染色，甲苯胺蓝染色检查证实为软骨组织。

By blast in GenBank, clone Y1218 shared 72% homology with Chromobacterium violaceum, clone Y1814 shared 88% homology with Pseudomonas putida,clone Y0140, 80% with Bacillus sp., and clone Y1038, 71% with Pseudomonas fluorescens. Some clones had homology with the degreadation of aniline, methyl parathion microbial organisms.

有80%的同源性，Y1038克隆和荧光假单孢有71%的同源性，有部分克隆和一些具有降解苯胺、甲基对硫磷等有机物的微生物有同源性。

The molecule has a typical D-π-A structure with terminal units of electron donor and accepter groups. The triphenylamine group, as the electron donor, is connected to the oxadiazole group which is the electron accepter through the cinnamene group.

该分子具有典型的D-π-A型推拉电子结构，三苯胺基团作为给电子基通过苯乙烯共轭链桥接到吸电子基1，3，4-恶二唑基团。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。