At a constant gas flow rate, the overall volumetric mass transfer coefficients increase with the rotational speed.

在一定的转速范围内，气相流速不变时，吸收系数随转子转速的增加而增加。

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The continuous emission process of gas bubbles under a constant gas flow rate through a single orifice immersed in a quiescent viscous liquid is studied.

考察一定流量气体，通过锐孔在静止黏性液体中连续溢出气泡的过程。

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It is well known that when gas is cooled at a constant pressure its volume decreases.

众所周知，当气体在定压下冷却时，它的体积减小。

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In the past few months, the cost of wheat and sugar has more than doubled they say, and cooking gas, in constant short supply, can cost three times as much as it did a few months ago.

VOA: standard.2010.04.20

You're allowed Cv comes out here for this adiabatic expansion, which is not a constant volume only because this is always true for an ideal gas.

绝热过程写下,这个式子是因为它对理想气体都成立，并没有用到等容过程的条件,只用了理想气体的条件。

麻省理工公开课 - 热力学与动力学课程节选

How many moles of gas are there in each case, in reactants and products? If that changes, of course you know that the pressure in there is going to change at constant volume if the amount of gas in there is changing.

在反应物和生成物中，各有多少摩尔的气体？,如果它发生了变化,当然在等体条件下，如果气体的总量,发生了变化，压强也会发生变化。

麻省理工公开课 - 热力学与动力学课程节选

The lining of these pits and regulations stipulating what can be used for the lining has been a constant source of contention between regulators, the natural gas industry and citizens who live nearby.

FORBES: 3 Thoughts On The N.Y. Fracking Ban

Not everyone is convinced that wind-power is the most reliant route to clean, renewable carbon-free energy, and it is concerning that Britain is relying on a power source that must be backed up by more constant technologies such as nuclear, coal, or gas, because the wind blows inconsistently, as is its nature.

FORBES: Wind Power Efforts May Not Be Enough For U.K.

Shale gas is an infinite resource, and supplies will hold down prices for years to come was another constant refrain.

FORBES: My Prediction Was Wrong: Why We Didn't Get To $8 Natural Gas