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The third-order optical nonlinearities and lime responses were measured by a phase conjugate forward, 3-dimensional degenerate, four-wave mixing technique. Comparing polymer's third-order NLO coefficient, it shows that the χsuperscript (3 value increasecs with the introduction of the azobenzol side-chain.
通过简并四波混频飞秒激光系统对各个接枝聚合物的三阶非线性极化率系数进行了测定,考察了偶氮侧链的引入对聚合物主链三阶非线性的影响,并考察了侧链上不同取代基的电子效应对主链三阶非线性的影响。
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In the first section, the effect of sodium houttuyfonate on the level of lysozyme secreted by macrophages was first tested by bacteriolytic method; then the effect of sodium houttuyfonate on the level of tartaric acid resistant acid phosphatase produced in macrophages was investigated by analyzing the phenol generated in the reaction that was catalyzed by the enzyme; the third, the effect of sodium houttuyfonate on the phagocytic activity of macrophages was observed by microscopy; the forth, the effect of sodium houttuyfonate on the production of complement C4 from macrophages was tested by hemolytic method; the fifth, the effect of sodium houttuyfonate on the expression of C3b receptors on the surface of macrophages was analyzed by observing the formation percentage of zymosan wreath; the sixth, the effect of sodium houttuyfonate on the respiratory burst in macrophages was tested by flow cytometry; the seventh, the effect of sodium houttuyfonate on the production of IL-1α and IL-1β from macrophages was tested by ELISA method.
在这一章中,首先,采用溶菌法考察合成鱼腥草素对巨噬细胞分泌溶菌酶水平的影响;其次,采用游离酚法研究合成鱼腥草素对巨噬细胞产生的耐酒石酸酸性磷酸酶水平的影响;第三,采用显微镜观察法考察合成鱼腥草素对巨噬细胞吞噬功能的影响;第四,采用溶血法测定合成鱼腥草素对巨噬细胞产生的补体C4水平的影响;第五,采用酵母花环法检测合成鱼腥草素对巨噬细胞表面C3b受体水平的影响;第六,采用流式细胞术法观察合成鱼腥草素对巨噬细胞呼吸爆发的影响;第七,采用ELISA法探讨合成鱼腥草素对巨噬细胞产生IL-1α及IL-1β水平的影响。
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Silver behenate nanocrystals with a diameter of 50~100nm, were first prepared by chemical precipitation in a water tert-butyl alcohol mixed solvent.
本文详细考察了影响山嵛酸银晶体生长的因素,研究了山嵛酸银晶体的形成机理,首次通过化学沉淀法在水-醇混合溶剂中制备出粒径为50~100nm的山嵛酸银晶体,进一步研究了山嵛酸银的热行为以及热分解机理,考察了山嵛酸银纳米晶体在热敏成像体系及制备银薄膜方面的应用。
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Stannous caprylate was selected as the catalyst. Under certain vacuum, we investigate the relation of both the dose of catalyst, the temperature of reaction, the time of reaction and the molecular weight of the PLA.Furthermore we investigate how the purity of lactide and the circumstance of vacuum affect the molecular weight of the PLA.
实验中选用辛酸亚锡Sn(oct_2为催化剂,在一定的真空度下考察了催化剂用量、反应温度、反应时间与聚乳酸分子量的关系;并考察了丙交酯纯度及真空度对聚乳酸分子量的影响。
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The optimum extraction process of preparation was carried out with orthogonal test,and the craft of extraction by the single factor experiment, and I suruey the corrigent to choose suitable quantity. This result would be technology parameters for production of Shuanghuanglian Oral Liquid.
通过正交试验优选出双黄连口服液最佳的提取工艺,再通过单因素试验考察纯化工艺,并对矫味剂进行考察、筛选,从而为大生产提供合理可行的技术参数。
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In the course of establishing standard operating procedure, The temperature, time , the feasibility without decorticating and efficiency were investigated when alliinase was deactivated used a dry heating apparatus in tunnel type, but the efficiency can be achieved less than 70%, need to be improved; The reformative cribriform plate has been proved to be good in practice result in pulping enzyme-deactivated garlic without dehulling; The extraction efficiency achieved more than 90% when volumic ratio of 20% alcohol and water is 3 I 1 and 2:1 was adopted to extract alliin two times respectively; During exact filtration, the ratio of diatomite in precoating and filtration was 3% and 1% respectively, the losses of alliin adsorbed by diatomite in extraction solution were not remarkable. In the stage of alliin isolation by ion exchange resin, three simple and sensitive detected measures were successfully adopted to control the whole process; the efficiency of alliin isolation was similar to laboratory results; The alliin yield was over 50% in acidic fractions and the purity quotient of alliin achieved above 50% after drying; Furthermore, the phenomenon was found that losses of alliin were seriously affected by the temperature and time periods in concentration.
在制定中试生产标准操作规程中,考察了隧道式干热烘干机杀酶的温度、时间和效率,干热灭酶效率只能达到70%,待改进;改良的筛板使带皮打浆效果良好,证明非脱皮熟蒜打浆的可行性,减少了工序,降低了成本;提取过程中,20%酒精分别1∶3和1∶2提取2次,效率达90%以上;硅藻土板框过滤时,探索了精滤过程中提取液中预涂和过滤时硅藻土的比例分别为3%和1%,并考察硅藻土对蒜氨酸的吸附损失,滤液澄明度良好,蒜氨酸损失很少;在树脂吸附分离阶段,采用三种简便灵敏检测手段控制生产过程,分离蒜氨酸的效果与实验室一致,酸性流分中蒜氨酸收率可达50%以上,干燥后蒜氨酸纯度达50%以上;试验发现浓缩蒜氨酸洗脱液时温度和浓缩时间对蒜氨酸损失的具有很大影响。
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Following the route, the dissertation investigates into the cultual factors driving the socio-economic transformation within the scopic framework of structure, investigates and analyzes the forming process of cultural dynamics within the general framework of socio-economic changes.
循着这条线索,在结构的范畴框架内考察驱动社会经济转型的文化因素,在社会经济变迁的总框架中考察分析文化动态成因过程,探寻文化同经济之间的互动互补的契合点——制度,最后界定出闽西文化在这一变迁过程中的实际地位与作用。
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Quantum chemical calculations were performed based on these conformations to explain the experimental data. 4. The molecular recognition of the chiral Salen Fe complexes towards imidazole derivatives and the measure of the equilibrium constants of host-guest system of the Salen Fe and EMIm a.
用紫外-可见光谱滴定法考察了不同主体Salen-Fe对咪唑及其衍生物的分子识别行为,测定了识别过程的平衡常数和热力学参数,讨论了影响主客体配位能力的有关因素;系统地考察了主客体缔合反应的圆二色光谱性质。
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It is pointed out that not only Foochow didnt offer a good market environment to the sale of import and export articles in the hinterland, which restricts the import and export trade of Foochow Port, but also the bad transportation environment of Min River prevents the circulation of articles by investigating the business environment of Foochow City and the transportation environment of Min River, which is the main channel of goods transportation between Foochow Port and its hinterland.
通过对福州城本身商业环境的考察,通过对福州港与其腹地间商品运输的主要渠道——闽江——运输环境的考察,指出不但福州没有为腹地进口商品的销售和出口商品的外销提供良好的市场环境,从而限制了福州港的进出口贸易,而且闽江恶劣的运输环境,也阻碍了商品的流通。
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Research the formational history of modern Chinese Aesthetic discipline in order to make up a deficiency of the current Academy.
从以下几个层面展开:首先,返溯中西交流史的起点,以确立此后讨论的必要知识和思想的背景:其次,尽力搜罗与现代中国美学形成有关的文本,注意考察学科关键术语和理论的起源和变化;其三,注意考察美学学科创生的制度性要素以及其历史变化;其四,对与现代中国美学思想相关的重要论域(科学主义、宗教、道德及马克思主义思想等)进行比较性研究。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。