Calculation method of viscosity for pure gas, mixed gas and liquid at ambient pressure is discussed.
介绍常压下纯气体及混合气体，加压下纯气体及混合气体以及液体粘度的计算方法。
The device is readily removed and installed at ambient pressure without venting the mass spectrometer.
该设备易于在环境压力下安装和拆除，而不用对质谱仪抽气。
In this paper, the intrinsic kinetics of CO shift reaction on NBC-1 type non-chromium iron-based catalysts at ambient pressure is studied by means of isothermal tube-type differential reactor.
本文采用等温管式微分反应器，研究了常压下在NBC - 1型铁系无铬催化剂上CO变换反应的本征动力学。
At the point where the last expansion wave in the series intersects the wall, the wall pressure is near the ambient value.
在点，最后膨胀波在一系列交叉的墙，墙的压力是附近的空气中的价值。
What we define as zero is the enthalpy of every element in its natural state at room temperature and ambient pressure.
我们将零点定义为每种元素，在室温和正常大气压下，在其自然状态下的焓。
Where and t are the barometric pressure at the engine's air intake and ambient temperature respectively.
和T分别是发动机进气口处的大气压力和环境温度。
In order to explore the effect of ambient pressure on jet flow field in deep well and ultra-deep well, a physical model for flow field of confined water jet at bottom hole was established.
考虑到深井、超深井中井底围压对射流流场有一定的影响，建立了井底受限射流流场的物理模型。
Butanes and butenes can be maintained in the liquid states at ambient temperature under quite moderate pressure.
在适当的大气压力及常温下，丁烷和丁烯均可保持液体状态。
At sea level, ambient pressure already is 1 atmosphere.
在海平面，空气中的压力，已经是一日的气氛中进行。
Results show that the thrust aroused from the altitude compensation capability is the cause of the non-monotone variation of nozzle efficiency with altitude at high ambient pressure;
结果表明，在高的环境压强下工作时，由塞式喷管的高度补偿能力所获得的推力是引起效率高度特性曲线非单调变化的原因；
Experiments indicate that the ammonia catalyst reduced under low or ambient pressure is more active at lower temperature and stable in performance.
通过实验测定表明：合成氨催化剂在常压、低压下进行还原，可达到低温活性高、稳定性好的效果。
The normal boiling point of a liquid is the special case at which the vapor pressure of the liquid equals the ambient atmospheric pressure.
常压沸点是一个特例，其中，液体的蒸汽压与环境大气压相等。
Reactivity is similar to that of oxygen at room temperature. NF3 is relatively inert at ambient temperature and pressure conditions and exhibits little, if any, reactivity.
反应活性与室温下的氧相似。在常温常压下NF 3是相对不活泼的，显示出很低的反应活性。
Pressure loss in the starting air circuit is analyzed for the mine dumper at different ambient temperature. The author finds why the engine starts in an abnormal way and how to keep th pressure.
对矿用自卸车在不同环境温度下，启动气路的压力损失进行了分析研究，得出了柴油机不能正常启动的缘由，并提出了启动气路保压的合理化建议。
The effect of pressure on the apparent viscosity and plastic viscosity is considerable at ambient temperature. However, this effect is reduced gradually with the increase in temperature.
常温时压力对表观粘度和塑性粘度影响很大，但随着温度升高，压力的作用逐渐减小。
The sc-C20 is metastable under ambient pressure, and is more stable than graphite at high-pressure (100 GPa), indicating that it can be synthesized through high-pressure.
在常压下sc -C20可以亚稳存在，当压力超过100gpa时，sc - C20比石墨稳定，表明其通过高压手段合成的可能性。
The sc-C20 is metastable under ambient pressure, and is more stable than graphite at high-pressure (100 GPa), indicating that it can be synthesized through high-pressure.
在常压下sc -C20可以亚稳存在，当压力超过100gpa时，sc - C20比石墨稳定，表明其通过高压手段合成的可能性。
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