pressure-enthalpy diagram

Results show: According to diagram of Ningxia's EKC curve, the cycle economy pressure to environment.

研究表明: 宁夏地区经济增长与环境污染程度之间不完全符合典型的EKC特征, 废气与固体废物的环境质量改善转折点尚未到来.

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It's available for use of the experiments to determinate combustion heat, saturated vapor pressure, surface tension, and rate constant of reaction, draw binary phase diagram of liquid system.

本程序适用于燃烧热、饱和蒸气压、表面张力、反应速度常数的测定以及二元液系相图的绘制。

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At the same time, the elementary diagram of the theory of the constant pressure frequency conversion, the hardware structure chart and the software block diagram are shown in the paper, which gives technique to the system to be come true.

本文同时给出了恒压变频原理图、硬件结构图和软件框图，为系统的实现提供了技术支持。

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According to the movement request of the cylinder, the paper has in-depth researched to the pressure control, the synchronization control, the locking, the keeping pressure and the speed control sub-circuit of the hydraulic system, and drawn up the hydraulic system schematic diagram.

液压传动是打码切头机的动力源，根据油缸的动作要求，对液压系统的压力控制、同步控制、锁紧、保压及调速等子回路进行了深入的研究，并拟定了液压系统原理图。

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As the results, the energy of the air in the cylinder includes the energy of flow and the static pressure energy. This is the one of the most important reason for the difference between the theoretical and experimental indicated diagram.

模拟结果进行分析，得出气体在气缸内的能量以流动动能和静压力能的形式存在，由于流入气缸的气体动能不能完全转化为静压力，致使实验所得的压力曲线没有理论计算结果饱满。

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