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Mechanical properties of the different DLC are tested using ST2200 scratch test equipment and the mechanism of the scratch test is studied.

使用划痕方法试验了不同DLC薄膜的抗刻划性能并对其试验机理进行了研究。

The method uses method of the PCR that cover type to undertake to viscera of small rat and shrewmouse head and small rat enlarge is added, detect LCMV gene; undertakes to serum ELISA experiments at the same time, have the result of two kinds of methods comparative.

方法采用套式PCR方法对小鼠和地鼠脑及小鼠脏器进行扩增,检测LCMV基因;同时对血清进行ELISA试验,将两种方法的结果进行比较。

A simple numerical example demonstrates that the proposed approach is efficient and superior to single-stage method.

设计数学算例演示了序贯极大熵试验设计方法的效率,并证明优于一步法,适用于虚拟试验预测模型建模。

Methods Experiments of technological conditions for extracting the total amount of baikal skullcap root were decided according to U 5 (5 3 )and its usage table.

目的 用均匀设计安排因素多水平试验,确定黄芩苷总量提取工艺条件的学模型,优选出提取黄芩苷总量的最佳工艺条件方法根据均匀设计表U 5 (5 3 )及U 5 (5 3 )的使用表安排"黄芩苷总量提取工艺"试验。

The results showed that the different mass concentration of HPAM's absorbance decreases slightly when the PH value of the buffer solution is 5.0, but its reproducibility is better;In order to make the absorbance become more stable, the reaction time was identified adding proper quantities of bromine water, sodium formate and starch-cadmium iodide reagent to the solution separately; the mass concentration curve of the HPAM was draw, by means of the straight degree of the curves, the coincidence degree of the straight line about the concentration of every sampling point and so on , it shows that the mixer has good mixed effect compared with the standard curve.

如下是一些主要问题:1)文章的行文格式。文章没有按照一般科技论文的表述方式,如1是引言,2是常用方法,其实这都应该是第一部分引言里应该介绍的,引言中应扼要介绍文章的研究背景、目的,意义,采用的主要方法等。还有3是实验装置,4是实验步骤,应该这些都是第二部分,试验材料与方法。2)文章的内容。文章应主要介绍本研究的具体内容,但是本文没有,如3 实验装置部分,这个721分光光度计的原理与论文内容联系不大,根本没必要介绍,标准曲线的研究应该放在最前面等。3)文章的表述不清。如HPAM是何物,文章一直没有介绍,什么曲线的直线度、浓度与直线的重合度、什么加入溴水后的时间,应该是反应时间,总之表述不清! 4)文章的图表。图标绘制的很难看。如图2,应该纵坐标起始点从0.25开始,这样图形就会美观很多,图3又没有纵坐标标注,还多了一个纵坐标等。5)文章的结论。文章的结论中有些严格来说不是结论,而是实验中的现象与操作注意事项。

The SMMC-7721 hepatoma cell line of experimental groups and control groups were cultured with the addition of sodium selenite, potassium iodide or triiodothyronine (T3). The cell quantity was checked by the MTT assay , and the cell cycle was observed by flow cytometry and levels of AFP and ALB in the culture solution were determined by RIA.The SD rats were divided into positive control group, negative control group, T3 group and mixture group (the mixture of sodium selenite, KI and T3). After two weeks of the administration of sodium selenite、 KI and T3,Walker256 cells were transplanted into the abdominal cavity. The administration was kept on for another two weeks, then observed the morbility and mortality of the rats with ascites carcinoma. At the end, the ascites were for the cells counting and the cell cycles analysising.

方 法:在体外,应用细胞培养的方法,培养SMMC-7721肝癌细胞系,分为试验组和对照组,试验组加入不同浓度Se、I或T3干预,培养一段时间后,通过噻唑蓝试验、流式细胞仪,观察细胞数量及细胞周期的变化,测定细胞培养上清液中甲胎蛋白、白蛋白的水平,观察细胞分化情况;在体内,将试验用SD大鼠分成阴性对照组、阳性对照组、T3组和混合组(为Se、I和T3混合物),首先预防性用药2周,然后给试验组大鼠和阳性对照组大鼠腹腔注射Walker256细胞,制造腹水癌大鼠模型;继续用药2周,观察各组大鼠发病率及死亡率,测量不同时期大鼠血清FT3含量,通过流式细胞仪测量大鼠腹水细胞数及细胞周期变化。

Firstly, the Protein compositions of various parts of the spermatophore were studied through the methods of fractionation and comparing PAGE. And a method for spermatophore fractionation was established, the feasibility of this method was examined by the means of PAGE and transmission electronic microscopy.

首先,通过分级分离和比较电泳的方法对中华绒螯蟹精荚各部分的蛋白组分进行分析,并在试验过程中,建立起一套精荚分级分离的方法,通过电泳分析和透射电镜观察等手段对这一方法的可行性进行了验证。

Methods Analogical spot test and spot test on Staphylococcus albus were conducted.

方法模拟现场杀菌试验和现场杀菌试验。

By applying the H〓lder inequality, the Gronwall inequality, the Doob's inequality and the properties of the Ito stochastic integral to the integral form of the test equation, several important inequalities related to the analytical solution are proved, and the local order of the numerical solutions in mean square sense is obtained accordingly.

通过对试验方程的积分形式使用Holder不等式、Gronwall不等式、Doob不等式和Ito随机积分的性质,得出了试验方程解析解满足的几个重要不等式,进而得出了数值方法在均方意义下的局部误差阶。

First of all, these two standards in the test project and test methods for perfect more standardized, science, and coupled with the standard abouttwoweeks divisions, increasing differentiation of qualitative test (including infrared identification and chemical identification) by the main identification to enhance strict control formula control, part of the application to natural or other plastic impersonatea butylbenzoic stopple stopple quality, control and standardize butylbenzoic stopple market.

首先,这两个标准在测试项目和测试方法上力求更规范、科学,并结合标准按材料划分的特点,增加了鉴别定性试验,目的是通过鉴别试验加强主配方控制,严控部分掺用天然或其它胶来冒充丁基胶塞,控制胶塞质量,规范丁基胶塞市场。

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