During the formation of the primary condensate gas pool there is no phase change in the pool.
次生凝析气藏是圈闭中轻质油溶解于天然气中形成的凝析气藏，成藏过程中流体相态发生了变化。
Membrane separation has many advantages, such as no phase change, lower energy consuming, more facile operations and better selectivity.
膜分离具有无相变、低耗能、操作条件温和、分离选择性好等优点，是首选的分离技术。
During the formation of the primary condensate gas pool there is no phase change in the pool. But the secondary gas condensate pool was formed by solution of light oil in gas in the pool.
次生凝析气藏是圈闭中轻质油溶解于天然气中形成的凝析气藏，成藏过程中流体相态发生了变化。
One person may go from Phase 4 to Phase 5 and then back to Phase 2 again; that is why there is no easy way to determine how long a change will take to implement.
有些人可能已从第四阶段进入第五阶段，但一下子又从新跳入第二阶段；这就是为什么计算一场变革需要花多长时间是很难的。
Two signals from the mass flowmeter are filtered by no change of phase, and the phase difference is given by zero passage arithmetic.
两路信号数据采集后使用了无相位变化的滤波方法，通过过零点算法计算出得出相位差。
Transformer: It belongs to static EM, It can be used to change the Voltage, the Current, the phase No., the frequency and the phase of the Electrical power.
变压器：属于静止电机，可改变交流电能的电压，变压器：属于静止电机，可改变交流电能的电压，甚至也可改变相数、频率及相位。甚至也可改变相数、频率及相位。
The first is sensible heat, which is just the energy required to change the temperature of a fluid with no change in phase.
第一类是显热，即在不发生相变的条件下改变流体温度所需要的能量。
The results show that the phase change temperature of paraffin can vary with the constitution, and paraffin has larger phase change latent heat and no supercooling.
研究显示：石蜡的相变温度可根据组成进行调节，相变潜热大，无过冷现象，在多次吸放热后相变温度和相变潜热变化很小，稳定性好。
There was no disengage phenomena during the phase change, and the production cost was low, which showed bright future for the application of the material.
相变过程无脱离现象，材料生产成本低，具有良好的应用前景。
A new formula to calculate reaction heat is put forward. It is suitable not only for isothermal reaction, there is no limitation of phase change.
提出了一个新的化学反应热计算式，该计算式不仅能对非等温反应的反应热进行计算，而且还可克服应用基尔霍夫公式不能有相变化的限制；
There was no marked change in each phase of cell cycle in before and after treated by andriol.
安雄组治疗前后各细胞周期均未见明显变化。
There was no marked change in each phase of cell cycle in before and after treated by andriol.
安雄组治疗前后各细胞周期均未见明显变化。
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