分析了不同压力下气相传递物质中的碳含量，压力降低使传递的温度区间缩小。
The carbon content in gas phase was obtained by calculation at different pressures. The interval of temperature was decreased at low pressure.
由于变频器的使用，使泵转速下降，出口压力降低，减少了机械磨损，降低了维修工作量，延长了设备的使用寿命。
Because of the use of frequency converter, so that pump speed decreased, exports to reduce stress, a reduction of mechanical wear, reducing maintenance workload, extended equipment life.
灾变的发生使整个算法的选择压力降低，当灾变规模越大、周期越短，算法的选择压力也就越小。
The disturbance weaken the selection pressure of the algorithm. When the disturbance has larger scale and shorter cycle, the algorithm has smaller selection pressure.
结果表明，振动力场使聚合物熔体剪切应力减小、表观粘度降低，最终使得挤出压力降低、 产量提高。
The result shows that vibration field can decrease the shearing stress and apparent viscosity of polymer melts, so the …
结果表明，振动力场使聚合物熔体剪切应力减小、表观粘度降低，最终使得挤出压力降低、 产量提高。
The result shows that vibration field can decrease the shearing stress and apparent viscosity of polymer melts, so the …
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