查询词典 test chart

In experimental investigation, we specially designed a test-bed equipped with hot wire anemometer, got the coefficient of pressure loss, moment on valve and other data.

通过风阀流动测量数据的分析处理，得到了不同工况下阀门的阻力系数、阀板作用扭矩等实验结果。

The main work and the originality points of this dissertation could be concluded as the following parts:(1) To analyze systematically the mathematical model of LES of air flow in great space, under the case of isothermal and non-isothermal, as well as the combined action of buoyancy and strain. Some basic problems are studied about the LES application into airflow simulation of great space, such as boundary conditions, spatial difference scheme and time advancing scheme, time step etc., which creates the basis for the LES application to indoor airflow simulation.(2) Both the instantaneous and time averaged flow field of great space with multiple jets under isothermal and non-isothermal cases are explored with large eddy simulation method, and also discussed the dynamic characteristics and the law of fluidflow in the great space.(3) Based on the results of LES of the great space and the Fanger thermal comfort indexes, it is brought forward the concept of the series of dynamic thermal comfort evaluating indexes, which could be divided into thermal comfort index with time averaged properties PD, PPD, PMV, thermal comfort index with instantaneous properties IPD, IPPD, IPMV, and time averaged thermal comfort indexes TAPD, TAPPD, TAPMV, and transient situations time averaged thermal comfort indexes TTAPD, TTAPPD, TTAPMV. The differences among them and the calculation methods are discussed, and the four kinds of indexes are calculated with the thermal comfort index PD as an example.(4) Based on the LES results it is discussed the hot air stratification phenomena in air-conditioned buildings in the case with air supply and return registers on the ceiling and the case on the sidewall. The fundamentals of the hot air stratification are studied and the relations of estimating hot air stratification are brought forward.(5) With the advanced apparatus such as hot wire film anemometer IFA300 and laser particle field anemoscope, corresponding model test and site measurements have been done, which are compared with the simulation results and LES is proved a very promising method in air flow simulation indoor.

本文主要工作既创新点体现在以下几个方面：(1)系统分析了等温、非等温和考虑剪切力与浮升力综合作用的高大空间大涡模拟数学模型，并研究了高大空间大涡模拟在室内气流仿真应用中的一些基本问题，如边界条件、空间离散格式和时间推进格式、时间步长选择等问题，为大涡模拟在室内气流计算中的广泛应用打下了基础；(2)首次用大涡模拟方法研究了高雷诺数下高大空间多射流在等温、非等温情况下的瞬时流场和时均流场分布，并探讨了多射流流场的动态特性和流动规律；(3)基于大涡模拟的动态仿真结果和Fanger的热舒适指标，首次系统地提出了动态热舒适评价指标体系的概念：即基于时间平均参数的热舒适指标PD、PPD、PMV；基于瞬时参数的瞬时热指标IPD、IPPD、IPMV；基于时间平均热舒适指标TAPD、TAPPD、TAPMV；以及沿行动迹线的时间平均热舒适指标TTAPD、TTAPPD、TTAPMV，并分析了四类热舒适指标的差异性和计算方法，还以PD值为例对四类指标分别进行了计算；(4)基于数十种工况下空调房间大涡模拟的结果，研究了空调建筑上送上回和侧送侧回两种情况下热分层现象，并探讨了热分层的基本规律，首次提出了避免热分层现象的判断公式；(5)在暖通空调领域，首次使用IFA300热线风速仪、激光粒子速度场仪等先进设备，完成了与大涡模拟相对应的模型试验，并把实测结果与仿真结果进行了对比，说明LES在室内气流仿真方面是一种很有前景的方法。

EZ was we akly positive in CM effects test but it may not induce aneuploid in mammalian ce lls.

益康唑对细胞有丝分裂有与秋水仙素相类似的效尖，进一步分析表明其在哺乳动物体细胞内无非整倍体诱发效应。

In order to exploit a newcompound protein beverage which has good flavor and tasty, abundance nutrition andbetter stability, Angeleno and almond were used as main raw materials in the test tomake Angeleno and almond complement each other in flavor and nutrition.

本试验选用安哥诺李和杏仁为主要原料，将风味清新的安哥诺李汁和香气浓郁、营养丰富的杏仁浆进行风味和营养的互补，以期开发一种具有良好风味、酸甜可口、营养丰富且性状稳定的新型复合蛋白饮料，亦为果蔬复合植物蛋白饮料的研究提供生产技术参考和一定的理论基础。

Test should be proceed under good meteorologic conditions and sea condition, Keep the cruise、ship speed and main engine revolution of the vessel stable before trial, Rudder angle should keep at center position.

试验应在良好的气象条件和海况下进行，试验前，应保持航行、航速以及主机转速的稳定，试验期间，舵角应保持在正中位置。

The apparatus adopts the technique of one-chip computer,can set ignition advance angle at random rev of the engine at any time and assists the power test of the engine.The apparatus can survey and describe the best ignition advance angle curve of motorcycle engine and affords gist for the design of motorcycle engine and ignition control.

该仪器采用单片机技术，能够在任意发动机转速下设定任意点火提前角，配合发动机测功试验，可以快速测绘出摩托车发动机最佳点火提前角曲线，为发动机和点火器设计提供依据。

Test results show that as the angle of attack is in the range of 20°~70°,the effects of bump...

结果表明，在20°～70°的迎角范围内，鼓包对圆锥的影响最大，对椭圆截面模型有一定的影响，对带棱截面模型的影响最小。

A quantitative measurement method for the space intersection angle of a three-line mapping camera is put forward in a thermal-optical environment test after studying the measuring principle of the intersection angles and designing a new measuring system.

对三线阵测绘相机热光学试验交会角测试机理进行了研究，设计了试验测试系统，提出了一种空间交会角定量测量方法。

The device uses the most advanced eddy current testing the technology, resolution up to 10 Egypt (1 micron = 10,000 angstrom) and the test easily and quickly.

该设备采用最先进的涡流法测试技术，分辨率可达到10埃（1微米＝10000埃），而且测试方便迅速。

Continuously, the new type of white light reflection fiber-optic angular displacement test system is established and then the key technology is studied.

在认真分析采集到的光谱信号噪声特点的基础上，对设计的多种滤波器滤波效果进行了比较优化。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。