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The basic principle,advantage,disadvantage and the improvement for measuring liquid surface tension with different methods were described.The methods were capillary rise method,Wilhelmy plate method,pendent drop method,drop volume method,maximum bubble pressure method.The problems in the surface tension measurement of wide temperature and pressure range,the chos...

本文着重介绍了几种液体表面张力的测定方法(包括毛细管上升法、Wilhelmy盘法、悬滴法、滴体积法、最大气泡压力法)，包括这几种方法的测定原理、优缺点及改进方法，特别指出了宽温度和压力范围的表面张力测定存在的问题，实验方法的选择及表面张力测定方法的发展趋势。

Simulation of capillary tube:Choice of capillary tube is related with pressure of condensation、state of super-cooling、pressure of evaporation and so on.

毛细管中的制冷剂流速很高，流过毛细管的时间很短，毛细管进出口状态的影响认为是即时的，故采用稳态模型。

Objective: To investigate the changes of brain tissue oxygen pressure PtjC^X brain tissue carbon dioxide pressure (PuCCfe- pHtj and lactate during acute intracranialhypertention caused by intracerebral hematoma in pigs.

注血过程中PtiCO2与CPP也有第二军医大学地士论文中文抑要一显著相关性什。65，p刃刀1入 pHti随 PtiCOZ的变化而变化，两者同样有显著负相关性k 抓。oz—一0.791，p＜0刀1入3。

This paper deriving the theory workinflection point in the static stage characteristics curve of small measurement range lineardimension measurement .by the way of high pressure and back pressure pneumaticmeasure and designed the parameter of the mainly and measure spray head, which are thekey component in the spray head-baffle pneumatic sensor .The different groups for themain-spray head and the measure spray head ,will effect the dynamic and static stagecharacteristic parameter .The author have done contrast experiment and optimizationdesign to test and verify the theory derivation whereby made the rang of show valve ofpneumatic measure system measure range up to 40 μ m, the sensitivity up to 100mv/μ m,resolution up to 0.05 μm, the uncertainly of measure is less than 0.02 μm, satisfaction ofrequirement of groups the carboy hatch thickness size precise measure of soft shims.

对高压背压式气动测量用于小量程线性尺寸测量的静态特性曲线的理论工作拐点进行了推导，对气动测量系统中的喷嘴-挡板型气动传感器中的关键部件——主喷嘴和测量喷嘴的参数进行了理论设计，对主喷嘴和测量喷嘴的不同组合，将影响测量系统静、动态特性指标的喷嘴参数进行了对比实验和优化设计，并通过实验验证了理论推导，从而使气动测量系统量程的示值范围达到40μm，灵敏度达到100mv／μm，分辨率达到0.05μm，测量不确定度小于0.2μm，满足了压缩机缸盖软体垫片厚度尺寸精密测量分组的要求。

Methods: Divide 196 cases into 3 groups by their blood pressure and cardiograph measure result. 62 cases in high blood pressure group, 45 cases in cardiovascular disease group, 89 cases in control group. HS-CRP and ABLU were measured by BN-Prospec Analysis System. GLU, TC. TG, HDL-C, LDL-C were measured by OLYMPUS 2700 Automatic biochemical analyzer.

对1%例70岁以上老年人通过血压和心电图结果分为三组，其中高血压62例；冠心病45例；对照组89例，空腹采血，留取晨尿，分别用BN-Prospec特种蛋白分析仪，测定尿微量白蛋白及超敏C反应蛋白，用OLYMPUS2700全自动生化分析仪测定空腹血糖、总胆固醇、甘油三酯、高密度脂蛋白胆固醇、低密度脂蛋白胆固醇。

The some machine fixes the factory machine processes the cartful a low pressure goes together with to give or get an electric shock system and cars change to give or get an electric shock a design Chinese summary: This design is the design that some cartful to passes to the some machine processing plant a low pressure for changing giving or get an electric shock with first processing car go together with to give or get an electric shock the system, make stronger" factory power supply and protect after the electricity" and some related and curricular theories knowledge, study with control the basic method that factory( change to give or get an electric shock) electricity part design, foster independent analysis in ego with the basic technical ability that problem-solving work ability and actual engineering's design, from but proceed this time graduate designs, for our four hearses of the study draw a satisfactory period.

那位老大帮帮忙，专业翻译。有分。帮忙翻译以下内容：某机修厂机械加工一车间低压配电系统及车间变电所设计中文摘要：本设计是通过对某机械加工厂的某一车间变电所和一个加工车间的低压配电系统的设计，来巩固"工厂供电及继电保护"及一些相关课程的理论知识，学习和掌握工厂电气部分设计的基本方法，培养自我独立分析和解决问题的工作能力及实际工程设计的基本技能，从而进行了此次的毕业设计，为我们四年的学习画上一个圆满的句号。

This paper introduced a cartridge pressure reduction valve with large capacity and low control pressure and good stability which is used in a warship s lubrication system.

介绍了一种新型的控制压力低、流通能力大和稳定性好的插装式减压阀，并运用非线性分析方法建立了插装式减压阀的数学模型和MATLAB仿真系统，分析了插装式减压阀的稳态特性和动态特性的影响因素。

Excessive formation back pressure may be due to limited or plugged perforations; subsurface or surface chokes; undersized gas-oil separator, flowlines, tubing, or casing; or excessive back pressure on flowline, casinghead gas gathering system, or gasoil separator.

183u 译文：过高的地层回压也许是由于有限的或堵塞的射孔孔眼；井下或地面油嘴；尺寸不足的气液分离器，流动管线，油管或套管；流动管线，套管头气体集输管线或气，油分离器上过高的回压。

The main jobs of the paper are as follows, Multi-scale decomposition and reconstruction of wavelet transform is utilized to filter the noise of negative-pressure-wave, which is brought by leakage. With the capacity to detect the signal singularity quickly and accurately, wavelet transform was used to catch the break point of pressure signal. Accordingly, the work improved the location accuracy.

主要研究工作有：利用小波变换的多分辨率分解和重构技术，对采集到的管道泄漏产生的负压波信号进行消噪处理，并对几个影响消噪质量的关键因素及其选取方法进行了分析；再利用小波变换技术对信号奇异点的快速、准确的识别能力，对经消噪后的负压波信号进行奇异点捕捉，从而实现更精确的单条燃气管道泄漏定位。

Maintain a constant, even pressure on the wrench - about the same pressure that you would use to replace a cap on a catsup bottle.

保持不变，甚至压力的扳手大约相同的压力下，你将使用以取代第一个酱瓶。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。