工作介质

The theoretical model of heat capacity laser output characteristic was established.

建立了描述热容激光输出特性的理论模型，给出了输出功率随激光介质温升及工作时间的变化关系。

All the work actuating parts for the movement of the pile driver are controlled by hydraulic system .

桩机所有运动的工作执行部件均由液压系统控制，为保持液压系统的可靠性与稳定性，液压介质设有降温系统。

Based on the science idea of coupling, this paper studied systematically the theory, mathematical model and technology of rock mass hydraulics in coal mining above aquifer, the numerical simulation method, the resemble simulation theory and method. A series of reciprocity law on the stress and displacement of upper and down floor of coal layer, coal pole, fault and the law of water pressure variety was analyzed thoroughly and particularly. Based on the relation of hydraulics character of multi-aquifer, the inspecting and predicting theory model, method and system of water outburst was founded. By used in the colliery, The results were ratified by colliery missionary. In situ test for the hydraulics character of the floor on hydrology observation hole was done.

本文基于固流耦合作用的学术思想，通过理论研究、相似模拟实验、数值分析及现场实际应用，系统研究了带压开采的块裂介质岩体水力学数学模型，数值模拟方法，相似模拟理论与方法，深入细致地分析了带压开采中项底板、煤柱、断层的应力位移分布、含水层水位变化等一系列相互作用规律，并建立了基于多含水层水力联系的底板突水监测预报理论模型及其监测预报方法与系统，并将研究成果应用于现场实际，得到了现场工作人员的一致认可。

Especially, time factor must be considered in GPR data collection because the relative permittivity of underground medium may change with time changing.

由于地下介质电性随含水状态而变化，必须考虑最佳探测时机，避开不利时间段，减少探测工作的盲目性。

Based on computational fluid dynamics and turbulence model , a numerical study of the turbulent flow field of the metal rotameter is conducted to investigate the mechanism of metal rotameter.

为深入研究金属管浮子流量计的工作机理，采用计算流体力学和流体力学中湍流模式理论，对金属管流量计流场进行了数值仿真研究，获得了低黏度流体介质中浮子受力及浮子在受力平衡下的流量。

Dedicated control valve with rubber lining Check Valves corrosive or strong corrosive medium, body cavity surface was covered with a variety of options fluorine plastic, for different temperature and fluid piping, high strength, corrosion resistance and good .

衬胶衬里阀专用于控制腐蚀性或强腐蚀性介质，电站阀门阀体内腔表面覆有可供选择的各种氟塑料，适用于不同工作温度和流体管路，具有强度高、耐腐蚀性能好的特点。

That is, movement adds only a fraction of the medium's velocity to the light (predicted by Fresnel in order to make Snell's law work in all frames of reference, consistent with stellar aberration).

即运动增添仅为介质的速度轻(预言菲涅尔为了使斯涅耳定律在各项工作的参照系，符合恒星像差)。

For the meter which has liquate inner, can work in strong vibration or pressure pulse situation.

对于在外壳内充液的仪表，能够抗工作环境振动较强和减少介质压力的脉动影响。

Finally, there is the delight of working in such a tractable medium.

最后，乐趣还来自于工作在如此易于驾驭的介质上。

This study provides valuable theory reference for the measurements of turbid liquid food materials by near-infrared spectroscopy.

本文的工作为应用近红外光谱技术进行混浊液态食品介质的测量提供了光学上的理论指导。

The dynamic variation in content of cndogenous abscisic acid,indoleacetic acid,gibberellinsand isopentenyladenodines of normal juvenilefruit and dropped fruit was measured with enzyme linked immunosorbent assayin the course of physiological fruit drop of 'Shuizhang Longan.

应用酶联免疫法测定了水涨龙眼生理落果期间正常幼果和脱落幼果中内源激素ABA、IAA、GAs及iPAs含量的变化。

Zillions of code examples on the web.

网上数量巨大的代码例程。