压强

Vacuum Pump is a two stage pump capable of .1 micron can be used for applications such as freeze-drying, vacuum deposition, centrifuging, mass spectroscopy, electron microscopes and evacuation of cathode ray and other gas tubes.

L 真空泵是一种二级泵，它能处理1微米的压强，它能用于冷冻干燥、真空淀积、离心过滤、质谱分析、电子显微镜、抽真空阴极射线和其它的离子管的应用中。

When the external pressure is below atmospheric pressure , the boiling point will be lower.

当外界压强低于一个大气压时，水的沸点就降低。

Pressure, density and acceleration of gravity are important parameters in the earth interior. The value of these physical properties is provided by Preliminary Reference Earth Model PREM.

压强、密度及重力加速度是地球内部物质的最重要的物理参数，而&初步参考地球模型&给出了这些物理特性的一些具体数值。

With proper equations of state the relationship between the pressure and the isothermal bulk modulus is presented, which is compared with those data that come from PREM and PEM values. In order to know more about the property of matter in the inner earth's core we presented the relationship between the temperature and the volume, and the relationship between the temperature and the thermal pressure.

采用与现有地震学数据一致的地核物质状态方程，计算了300K时压强-不可压缩系数的关系图，并与地核环境下PREM、PEM模型的数据加以比较；给出了内地核环境下温度-摩尔体积、温度-热压等参数的关系曲线，研究了地核物质的热学参数；应用计算所得到的热压值，借助量子统计物理的方法，列表给出了与内地核物质量子效应有关的各项参数。

The results indicated that effect of silicon carbide or sodium silicate on inhibiting crystallization of fused quartz was not obvious,5wt% boric a.

以粒径。16mm的熔融石英颗粒为原料，以硼酸、碳化硅、氮化硅、水玻璃为晶化抑制剂，以聚乙烯醇(浓度1%)为结合剂，试样成型压强为20MPa，试样经1200℃保温2h烧成，对烧后试样进行1500℃保温1h的强化脱玻处理、RT～1300℃的差热分析以及RT-1300℃的热膨胀测定。

The field emission characteristics of the samples were measured in vacuum chamber at a pressure of 10–6Pa.

场发射是在压强为106Pa的真空室进行测量的。

A three dimensional Navier Stokes equation is solved with a standard k ε turbulent model. Two experiments were carried out and the total pressure of jet flow was tested. Based on the tests, the differences between the calculated and test results were found to be 3% and 7% respectively. It proved that the results of calculation can well be used in engin...

研究采用数值计算和试验测量相结合的方法，控制方程为三维、雷诺平均 Navier- Stokes方程及 k-ε二方程的紊流模型，并且对该发动机进行了燃气流场的测试，对流场中的总压强进行了直接测量，进行了两次试验；在两次测点位置，试验结果与数值计算值相差分别为 3%和 7%；证明了对双喷管火箭燃气射流流场的数值计算具有了较好的精度，计算模拟结果可以用于工程设计中

The critical ignition pressure of slot has a relationship with propellant property and structural dimension of slots.

翼槽的临界点燃压强与推进剂本身的燃烧特性和翼槽的结构尺寸有关。

Combined with numerical simulation, characteristics of wave propagation on a slope and a platform and wave forms are discussed, and the maximum wave pressure, acting position and the maximum wave forces are systematically analyzed. Compar...更多ison of wave forces on a vertical wall with different slopes is made, and a conversion relation is given.

本文在水槽中进行平底、1：5、1：10、1：15、1：20、1：25建筑物前几种不同坡度的规则波模型试验，与数值计算相结合，讨论了波浪在斜坡及平台上传播的特性和波浪形态，对直墙上最大波压强及其作用位置以及最大总压力进行了系统的分析，进行了不同斜坡直墙波浪力的比较，给出了它们之间的转化关系。

And then, the computing method of pressure for fluid systems with periodic boundary conditions is adopted to investigate the relation between chemical potential and bulk pressure in an open system.

采用改进后的Widom测试粒子方法和周期边界流体系统的压力算法，研究开放系统的化学势随压强的变化，给出了具体的函数关系，并证明了其正确性。

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。