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Isolation, cultivation and identification of human embryonic NSC from cerebral cortex of 7-12 week abortus. By using flow cytometry and MTT assay, the effects of various concentration of TSPG and TSPG cooperating with cytokines in NSC culture media for 3 days on proliferation of human embryonic NSC has studied. By employing immunocytochemistry assay of the expression of tyrosine hydroxylase, the effect of different dilution of TSPG and TSPG cooperating with IL-1 on induced differentiation of human embryonic NSC into dopaminergic neuron has researched.

从7～12周人工流产胚胎脑组织中分离培养人胚胎NSC，免疫细胞化学鉴定NSC特异性nestin抗原表达，在NSC的培养体系中加入TSPG，采用流式细胞术和MTT法检测不同浓度TSPG以及TSPG与EGF，bFGF联合应用对人胚胎NSC增殖的影响；经免疫细胞化学检测培养细胞酪氨酸羟化酶表达，分析不同浓度TSPG以及TSPG与IL-1联合应用对NSC定向诱导为DA能神经元的影响。

A abstract algebra group composed of one element is the highest abstraction of the mathematical models researched in this paper.

一阶的有限群是对本文研究的初等代数运算描述的数学模型的最高形式的抽象。

This paper is mainly researched the reliability analysis of a gravity abutment of an arch dam based on conception of reliability.

本文主要研究拱坝重力墩抗滑稳定的可靠度分析。

This paper aimed to carry on exploring research on basic modes and implementation of fiscal management informatization. Based on literature research and investigation, it summarized the present conditions and problems of fiscal management informatization both inside and outside of China especially deeply researched the implementation means and business line of the two modes—TCP mode and ACB mode. At the same time, it gave some comments on the several modes.

本文对财政管理信息化的基本模式与实施进行了探索性研究，在文献研究和调研的基础上，总结了国内外财政管理信息化的现状并提出给我国的启示，笔者尤其对财政管理信息化的两种模式即国库集中支付模式和会计集中核算模式的运作方式、业务流程进行了深入探讨并对各种模式给出评价。

The catalyst conditions of 1,3-propanediol were researched, such as main catalyst, accelerant , solvent, etal.

针对一步法和二步法的技术路线，考察了不同催化条件对反应结果的影响，如主催化剂、膦配体、促进剂、活化剂和溶剂等。

The facets of customer verification ,access control ,authority management ,log audit ,data encryption , digital signature are researched and implemented to some extent.

具体对身份认证、访问控制、权限管理平台、日志审计、数据加密、数字签名等方面进行了研究和一定程度的实现。

The facets of customer verification, access control, authority management, log audit, data encryption, digital signature are researched and implemented to some extent.

具体对身份认证、访问控制、权限管理、日志审计、数据加密、数字签名等方面进行了研究和一定程度的实现。

Based on the study of hazard risk assessment, gas accident hazard is researched by the fuzzy risk assessment ,on the basis of fuzzy theory, the author calculates oppo...

基于危险源风险评价方法，运用模糊风险评价方法对瓦斯事故危险源系统进行研究。

A method to analyze acetone based on photolysis and electric field was researched.

提出了一种利用光解和电场电离进行丙酮检测的方法。

The research was to provide a theoretical basis for exploring acidifier mechanism of early-weaned lambs rations, the effects of different acid-binding capacity levels in diet of lambs on digestive tract physiological, and blood biochemical indices were researched in this experiment.

研究不同日粮系酸力水平对羔羊消化道生理指标和血液生化指标的影响，为探索早期断奶羔羊日粮中酸化剂的作用机理提供理论依据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。