The vapour cone effect is caused by pressure differences around the aircraft. A sudden drop in pressure associated with high speed allows water vapour, which is normally invisible, to condense as fog.
蒸汽锥效应是由于战斗机周围的压力差所导致的，高速飞行时压力的陡然降低会使不可见的水蒸气凝结成雾气。
The model includes solid velocity, space grade of saturation with vapour density and space grade of porous pressure in concrete multiphase system.
考虑了混凝土多相系统中固体速度、饱和度乘蒸汽密度的空间梯度和孔隙压力空间梯度；
This is important because a high pressure drop would mean that more energy is required to drive the vapour up the distillation column.
这一点很重要，因为如果压力下降太大，就意味着需要更多能量来推动蒸气上升。
A concise physical picture is furnished by chemical potential curve about the law of phase equilibrium, saturated vapour pressure of curved liquid surface, evaporation and condensation etc.
通过曲线描述，提供了关于相平衡、弯曲液面饱和蒸气压以及蒸发、凝结等规律比较直观的物理图像。
These three parameters, determined by fitting vapour pressure, vapour volume and liquid volume, are all function of temperature.
由同时拟合蒸汽压、汽相体积和液相体积确定的三个参数都是温度的函数。
The most accurate observations are made when we observe the light emitted when the vapour pressure is low.
当蒸气压很低时，可以对原子所发射的光谱作出最精确的观测。
High water saturated vapour pressure leads to the more possible occurrence of cavitation phenomena in water hydraulic pump, and so as in sliding shoes hydraulic supporting without exception.
水的高饱和蒸汽压力使得水压泵中极易发生气蚀现象，滑靴静压支承也不例外。
By altering the furnace pressure rapidly, baneful gases, such as oxygen and vapour, could be eliminated from the chamber. Therefore, cementite and nitriding processes are accelerated.
改变炉压可迅速排除炉膛内氧、水蒸气等有害气体，可加速渗碳、渗氮过程。
It can measure the flow rate of all sorts of vapours, and use on line compensation of pressure and temperature to measure vapour.
可测量各种气体的流量，测量蒸汽可用压力、温度在线补偿。
The results show that the vapour pressure and the mass loss rate of tantalum propoxide, tantalum butoxide and niobium ethoxide are suited for chemical vapor deposition.
结果表明，丙醇钽、丁醇钽和乙醇铌的蒸汽压大小能够满足化学气相沉积的要求，有足够的挥发速率。
The octane number may be improved about 1.8-31 units by above mentioned processing, the stability is also improved, and the vapour pressure is decreased.
上述工艺可使研究法辛烷值提高1．8～31单位，并使其安定性得到改善，蒸汽压有所降低。
The ground effective radiations are calculated based on the ground temperature. air temperature. water vapour pressure and total cloud cover.
再利用地面温度、气温、水汽压和总云量，计算得出福建省各地的地面有效辐射的月、年平均辐照度。
Percentage ration of the actual vapour pressure in the air to the saturation vapour pressure with respect to water at the same temperature and pressure.
空气中的实际水气压与在相同温度和气压下的水面饱和水气压的百分比。
Under a constant atmospheric pressure, why decrease in air temperature will lead to decrease in water vapour holding capacity, and thus, increasing its relative himidity(RH)?
为甚麽在空气压力不变情况下，气温下降会使空气盛载水气的能力下降?。
After inflexion, the permeation flux is directly proportional to the difference of the square root of the vapour partial pressure on both sides of the membrane.
冷侧真空度拐点后膜的通量与膜两侧水蒸汽分压平方根的差成直线关系，这种关系说明了水蒸汽在膜孔内的传质过程是以扩散为主；
More specifically, we can say that there is a trend towards equilibrium between the water vapour pressure in the product and the partial pressure of the water vapour in the air.
我们可更准确地说，是产品内部的水蒸汽压力与空气中部分的的水蒸汽压力之间有一种趋于平衡的趋势。
The development and application of autocontrol minute-pressure vapour recovery unite are introduced.
介绍了油罐气微压自控回收装置的研制过程及其应用。
High strength prestressed heat barrier pipe is used as a thermal insulating pipe to carry high temperature and pressure vapour into underground for crude oil exploitation.
材质为高强钢的预应力隔热管是在石油开采中用于地下输送高温高压水蒸汽的绝热管。
As the temperature gets higher, the vapour pressure of solvents and chemicals gets higher.
随着温度的逐渐升高，化学品或溶剂也更容易气化。
The apparatus also generates distilled water includes low pressure waste energy separator, heated separator and vapour compressor combing to the compelling circle-loop.
该设备包括与强制循环回路相结合的低压废能分离器、加热分离器和蒸汽压缩机以产生蒸馏水。
'We are currently investigating vapour-phase esterification reactions over metallic nanoporous gold using O2 as the oxidant at atmospheric pressure with encouraging results, ' she says.
她说，我们在研究蒸汽相的酯化反应，在一定的大气压下，氧气为氧化剂，通过金属纳米孔道反应，其效果良好。
Study on treatment process of vapour driving oil recovery wastewater reused for high pressure boiler water supply;
对常压热水锅炉房设计运行中应注意的安全问题进行了探讨，涉及系统流程设计、水击、循环泵汽蚀。
Study on treatment process of vapour driving oil recovery wastewater reused for high pressure boiler water supply;
对常压热水锅炉房设计运行中应注意的安全问题进行了探讨，涉及系统流程设计、水击、循环泵汽蚀。
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