实验法

MethodsUsed the menthods of inflammatory caused by dimethy,benzene,acetic acid twisting, carbon expurgation and the experiments in diabetic model mice, to observe the pharmacological actions of tigogenin;and acute toxicity was observed.

方法采用二甲苯致小鼠耳廓肿胀法、小鼠醋酸扭体法、小鼠碳末廓清法、葡萄糖引起高血糖小鼠模型，观察剑麻皂素的药理作用；并对剑素麻皂素进行急性毒性实验。

Methods: Determining paeoniflorin content by high performance liquid chromatography measurement conditions: mobile phase of acetonitrile -0.4% phosphoric acid solution (volume ratio 13∶87; detection wavelength 230 nm; flow rate 1.0 mL/min; and column temperature 25℃; and determining polysaccharide content by anthrone-sulfuric acid method. The extraction procedure of Langchuangling granule was measured, and the evaluated indexes were the rate of dry extra, contents of the paeoniflorin and the total polysaccharide with L9 (34) orthogonal test and preferential treatment of data.

采用高效液相色谱（high performance liquid chromatography，HPLC）法测定芍药苷含量［测定条件：流动相为乙腈-0.4%的磷酸水溶液（体积比为13∶87）；检测波长230 nm；流速1.0 mL/min；柱温25℃］；采用硫酸-蒽酮法测定总多糖含量，并以干浸膏得率、总多糖含量和芍药苷含量为指标，采用L9（34）正交实验，用综合评分法处理数据优选水提取工艺。

The discrete velocity ordinate method in the kinetic theory of gases is developed and applied to discretize the correspo

借助非定常时间分裂法和无波动无自由参数的NND耗散格式，建立直接求解微观分子速度分布函数的有限差分数值格式；研究并发展可用于离散速度坐标点选取和离散速度空间宏观取矩的高斯─埃尔米特无穷积分方法、等均间隔的牛顿─柯斯复合积分法、以勒让德多项式的根为积分结点的高斯─勒让德数值积分法，并应用于不同马赫数绕流模拟；通过对不同流域一维激波管问题、二维圆柱绕流问题和三维球体绕流的计算研究，并将计算结果与其他途径得到的研究结果诸如DSMC模拟值、N-S解及有关实验数据进行比较分析，创建了一套能有效模拟稀薄流到连续流不同流域气体流动问题简化的统一数值算法研究框架

The point of zero net charge for the meadow brown soil in northeast of China with structural negative charges was measured by three methods: potentiometric titration, mass titration and inert electrolyte titration, showing that for the meadow brown soil which possesses structural negative charges, a PZNC independent of electrolyte concentration exists, and the values of pHPZNC obtained by the above three methods are 2.9, 5.0 and 3.3, respectively.

分别采用电势滴定法，质量滴定法和惰性电解质滴定法测定了荷结构负电荷的东北草甸棕壤的零净电荷点，研究表明荷结构负电荷的土壤依然存在与电解质浓度无关的零净电荷点，三种方法的实验结果分别为2.9， 5.0和3.3。

Additionally, the experimental values well agreed to that calculated by structure information estimation method and molar volume method.

并且运用结构法和摩尔体积法估算了苯及其简单同系物的溶解度和分配系数。估算结果与实验结果能较好吻合，说明估算法是一种简便、可靠的方法。

Measurement of formaldehyde emission with different wood-based composites such as blockboard, particleboard, MDF, laminate floor and layer parquet through 40L desiccator method, 9-11L desiccator method, perforator method and chamber method were studied in this paper.

本研究采用气候箱法、40L 干燥器法、9—11L 干燥器法和穿孔萃取法测定细木工板、刨花板、中密度纤维板、强化木地板和实木复合地板中甲醛释放量，对比分析实验结果，确定最佳检测方法。

Virus removal efficiency is determined by the real time PCR and inactivation efficiency is determined by cell-based infectivity assay.Enveloped DNA virus removal and inactivation: Real time PCR indicated that method based on gold magnetic particles coupled with antiserum has shown great superiority on virus removal. Cell-based infectivity assay indicate pasteurism has shown superiority on virus inactivation.

对两种指示病毒分别进行巴氏灭毒和偶联抗血清金磁颗粒处理，实时荧光定量PCR检测核酸变化确定病毒的去除效率，同时进行病毒的细胞感染力实验确定病毒的灭活效率，结果显示：在对DNA有包膜病毒的去除能力上，金磁颗粒法明显优于普通的巴氏灭活法；在对DNA有包膜病毒灭活能力上，巴氏法明显优于金磁颗粒法。

This paper presents the cumulative-sum is a new data processing methods, It is a similar effect with the least squares method, it is more than simple arithmetic, Based on photoelectric effect measured Planck constant example, Introduced the methods for solving a linear equation with cumulative-sum method.

本文介绍的累积法是一种新颖的数据处理方法，它是一种效果与最小二乘法相同，比它更简明的运算方法，本文以光电效应法测普朗克常数实验为例，介绍了用普通累积法解一元线性方程的方法。

A quick DNA extraction technique which was fitting for maize variety identification and establishing DNA fingerprinting pool was explored ,and the technique was well applied in the following tissues for DNA extraction : embryo, endosperm; radicel, coleoptile , hypocotyl from germinated 1～3 days material .

本实验探索了适用于玉米品种鉴定及DNA指纹库构建的玉米品种DNA快速煮沸法，用快速煮沸法提取了玉米种子胚、胚乳；水培初生根、侧根；种子出苗后的初生根、侧根、胚芽鞘、胚轴、叶片等组织DNA，结果表明，种子胚、胚乳组织；水培2～4d水培初生根、侧根组织；出苗1～5d的胚芽鞘、胚轴组织用快速煮沸法提取DNA效果较好。

The results show that in the internal standard method the mathematical treatment of uniform distribution of NG in deterred layer has no effect on the order of magnitude of the diffusion coefficient, so the systematical deviations of the reconcentration profile obtained from the imperfection of calibration model can be neglected.

内标法与外标法的比对实验结果表明，在内标法中将钝感层硝化甘油做均匀分布的数学处理对扩散系数计算结果的数量级没有影响，因此由于数学模型的不完善带来的浓度分布曲线的系统偏差可以忽略不计。

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。