进行实验

An experiment is made on dynamic friction of HTSD linear roller guide, a comparison is made between the experimental result and the theoretical calculation and an analysis is made on possible causes that would result in fluctuation of friction of the guide.

文章对HTSD直线滚动导轨副的动态摩擦力波动进行了实验研究，并将实验结果与理论计算进行了比较，分析了引起导轨副摩擦力波动的可能原因。

The thermal transpiration of three capacitance diaphragm gauges was experimentally studied for gases of N2, He and Ar in the pressure range of 10^(-2)Pa to 102 Pa. The correction equation for each gas species was derived by fitting the pressures measured with a CDG in the pressure range in which strong thermal transpiration can be observed.

利用N2、He、Ar三种气体对三只电容薄膜规在10^(-2)Pa~10^2Pa的热流逸效应进行了研究，对实验数据进行拟合，得到每种气体在热流逸效应产生区间CDG示值压强的拟合公式，并用实验验证了公式的准确性。

Using the gas discharge lamp as the light source of atmospheric optical communication,the function theory and characteristic of this light source are analyzed.

以气体放电灯作为大气光通信的光源，分析了光源的工作原理及特性，对调制方式进行了选择，设计实验电路并进行了一系列调制实验，最后提出一种基于电子镇流器的大气光通信BFSK调制方法。

This passage advances a teaching idea that math-experiments should be carried out in Senior-teaching on mathematics. I have done some research on math-experiments teaching with the software of 《the Geometers Sketchpad》.

本文提出了在高中数学教学中进行数学实验的教学观念，并以《几何画板》软件为载体进行数学实验教学的探索。

First, modal resolution of the cabinet is obtained by ANSYS modal analysis; Then, modal experiment of cabinet is carried out with impulse excitation method and corresponding modal parameters are obtained.

首先，采用有限元软件ANSYS理论模态分析对机箱进行模态求解，得到计算模态参数；另外，用脉冲激励法对机箱进行模态实验，得到实验模态参数。

In the paper, the vacuum infusion molding process based on grooves was investigated by experiments, and the parameters of width, d e pth and spacing for flow grooves and spacing for supply grooves were optimized a ccording on the molding experiments and various factors that had influence on th e mold filling process were discussed.

真空注射成型工艺是一种新型的复合材料液体模塑成型工艺，对沟槽型真空注射成型工艺开展了实验研究，通过充模实验确定了引流槽的宽度、深度和槽间距及主槽的槽间距等工艺参数并进行了优化；对影响充模过程的各种因素进行了详细的讨论，并以夹芯面板的制作实例阐述了沟槽型真空注射成型的工艺过程。

The flash point and the spontaneous ignition temperature of binary flammable liquid mixtures consisting of alcohol species,ketone species,aether species and ester species with different proportion were studied by automatic closed-cup flash point tester and automatic ignition temperature detector.

利用自动低温闭口闪点测定仪、自动引燃温度测定仪对醇、酮、醚、酯等不同情况下组成的二元混合液体的闪点、自燃点变化规律进行了实验研究，采用Taylor多项式，拟合出了常压下二元混合液体闪点、自燃点随组分配比变化的经验计算公式，并通过实验数据对其进行了验证。

Thirty-six rats ,weighing(250±10)g, were randomly divided into normal group, experimental group and control group.Orthodontical devices were put between the upper incisor teeth and dens molaris in both experimental group and control group.The corrective force was adjusted to 60g.Salvia miltiorrhiza combination was implanted to each rat in the experimental group every day.The animals of both experimental group and control group were killed at 7,14 and 21 days.The upper dens malarias and periodontal tissue slices were observed under the light microscope and transmission electro microscope,and the X-ray dental films were taken and measured with digitization dental scanning apparatus and its software.

以36只体重(250±10)g的雄性大鼠为样本，随机分为正常组、实验组和对照组，设定不同浓度丹参复合膜，以同体对照方式在正常组进行体内植入实验，在2周内观察不同浓度丹参的牙周组织诱导作用，寻找最佳应用浓度；在实验组和对照组的上切牙与磨牙之间隙安装正畸装置，建立大鼠磨牙移动实验模型，矫治力的大小为60g；实验组每日每只体内植入丹参复合生物膜，两组动物于正畸加力7、14、21d，分三批处死；处死后立即切取双侧上颌磨牙及牙周组织制取标本，制片透射电镜和光镜观察；拍摄X线牙片，用数字化牙科扫描仪及软件对其进行测量分析。

The corrective force was adjusted to 60g.Salvia miltiorrhiza combination was implanted to each rat in the experimental group every day.The animals of both experimental group and control group were killed at 7,14 and 21 days.The upper dens malarias and periodontal tissue slices were observed under the light microscope and transmission electro microscope,and the X-ray dental films were taken and measured with digitization dental scanning apparatus and its software.Result:The most fitting concentration of combined biological membrane was 0.80g;the speed of the remodeling of the periodontal tissue at the compression side in the experimental group was faster than that of the control group.

以36只体重(250±10)g的雄性大鼠为样本，随机分为正常组、实验组和对照组，设定不同浓度丹参复合膜，以同体对照方式在正常组进行体内植入实验，在2周内观察不同浓度丹参的牙周组织诱导作用，寻找最佳应用浓度；在实验组和对照组的上切牙与磨牙之间隙安装正畸装置，建立大鼠磨牙移动实验模型，矫治力的大小为60g；实验组每日每只体内植入丹参复合生物膜，两组动物于正畸加力7、14、21d，分三批处死；处死后立即切取双侧上颌磨牙及牙周组织制取标本，制片透射电镜和光镜观察；拍摄X线牙片，用数字化牙科扫描仪及软件对其进行测量分析。

The aim of this experiment is to find out the proper method of three kinds of classical methods ever used before ,which can separate the epithelial layer from the mice bronchial arch, for different purpose.The animal of this experiment is mice of KM in 9-30 somites period.

本实验旨在对分离小鼠腮弓外、中胚层的三种方法进行研究和比较，找出针对不同的实验目的，其最合适的分离方法及其过程，并且对分离的效果进行组织学特殊染色和SEM观测以验证其效果。

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。