查询词典 experimental method

Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.

分析了现有测试方法的优缺点，提出了研究推进剂瞬态导热的必要性和重要性。 2。根据130和航90两种火箭弹的结构，分析得到了推进剂传热的物理模型和数学模型，设计了推进剂温度场模拟实验装置。 3。得到了离散形式的瞬态热平衡方程和温度场计算程序，给出了实验温度与程序计算温度值的对比曲线及其最大偏差与均方差。 4。利用程序求出了第一类边界条件下、不同时刻推进剂温度场模拟装置中的温度分布，分析了温度场的分布规律和影响传热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处的温度时间曲线并给出了两者之间的最大偏差与均方差。 5。建立了第三类边界条件下的瞬态导热数学模型和温度计算程序，求出了温度实测值与计算值的对比曲线并给出了两者之间的最大偏差与均方差，得到了不同时刻温度场模拟装置的温度分布与影响导热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处温度及两者之间的最大偏差与均方差，讨论并确定了能代表130和航90推进剂温度的特征点的位置。

Experimental results and values in theory were accordant well. Experimental results showed that the radius of focal spot would increase with the longer focal length, and focal depth would decrease with higher order of FZPs.

实验还发现，聚焦的焦斑半径会随着焦距的长度而增大，而聚焦深度则随着分形波带片的阶次的升高而减小，同时还对比了分形波带片和常规波带片的焦距调节方式和精度，理论研究表明分形波带片的调节焦距的方式具有更高的调节精度。

Fourthly, it is introduced to obtain outdoor experimental data, and experimental data are investigated and processed.

第四，介绍了野外实验数据的获取，分析和处理了获取的实验数据。

Results After Gamma knife radiation, the expressions of c-fos and nNOS in both the cortex and hippocampus were significantly different between the experimental group and experimental control group.

c-fos和nNOS在伽玛刀治疗癫的机制中发挥了重要作用。

Our company has established agencies in Beijing Guangzhou and Wuhan focusing on the distribution and sales of coating detecting instruments and experimental equipments from professional manufacturers in America Japan England and Germany including the Oven Temperature Track Color Difference Meter Thickness Gauge Glossmeter and other coating experimental and detecting instrumentsbesideswe also supply the market with series product of Scalar digital microscope.

武汉远京东和贸易有限公司（武汉康信科仪设备有限责任公司）致力于涂装检测仪器及实验设备的销售和服务，拥有多年的一线专业经历，细致的售前推介、丰富的实践经验和完渼迅捷的售后服务使我们颇获客户好评。公司目前在广州、北京、武汉等地设有服务机构，代理销售来自渼国、日本、英国和德国多家专业场商的涂装检测仪器和实验设备，包括色差仪、炉温跟踪仪、涂层测厚仪和光泽仪等涂装实验检测仪器和日本Scalar数码显微镜系列产品。

General pressed sore patient and long range 1ie in bed patient random mark be experimental group and contrast Set 60 in total example,experimental group basis treatinginroutineupperfacetOfacelongrangeUeinbedpatientandolle, two phase pressed sore patient adopt Chinese gromwell Oil scribble pressed locmion and affected part.Use TDP to roast 1ight irradiating 20 minutes and,contrast a group adopt each 2 to turn over hour once, keeping measuresuch as patient skin and clean bed sheet drying.

将压疮病人及长期卧床的病人随机分为实验组和对照组各30例，实验组在常规治疗的基础上，对长期卧床的病人及Ⅰ、Ⅱ期压疮的病人采用复方紫草油涂搽受压部位和患处，并用TDP烤灯照射20分钟，对照组只采用每2小时翻身一次，保持病人皮肤和床单的清洁干燥等措施。

Experimental grouping: The rats were divided into experimental group and control group, with 5 in each group.

实验分组：将大鼠分为实验组和对照组，每组5只。

Owing to the limit of the conventional process, the output torque of the prototypes is very small. So, the hairspring torque-angle characteristic instrument is fabricated. Through making an experimental on the prototypes, the experimental results are consistent with the theory analysis, so the theory analysis is validated.

由于受传统制造工艺的限制，理论样机的转矩输出比较小，作者又制作了采用钟表游丝作为测量元件的游丝矩角特性测量仪，对原理样机进行了实验研究，实验结果与理论计算值较好的吻合，从而验证了理论分析的正确性。

Methods By using autocontrol trial, 147 patients were randomly dnided into experimental group and control group. The superficial vein in experimental group was punctured after tying hemostasia band when patients' arms had drooped, but that in control group was punctured as usual.

对147例住院输液病人采用自身对照法，单日采用常规法穿刺147例次；双日采用手臂下垂2 min后再扎止血带穿刺147例次。

The experimental apparatus for ilmenite growth process has been significantly improved, and the acquisition of noise-free experimental data for empirical modeling.

改进钛单晶生长试验设备，采集建立经验模型所需的无噪实验数据。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我