查询词典 vapor pressure

Nine substances containing hydrocarbon, alcohol, ketone, ester, water and 18 systems of isothermal VLE date have been calculated and the results show that using the quadratic functional local composition mixing rule the precision of vapor composition and pressure calculation is better than by using temperature mixing rule.

结果表明，二次形局部组成混合规则优于温度函数混合规则，对于丙酮-水、乙醇-水、甲醇-水及苯-丙醇体系计算气相组成与压力精度均有明显提高。

In this thesis, the films and nanowires of titanium silicides were prepared on the substrate by atmosphere pressure chemical vapor deposition, using SiH4 and TiCl4 as precursors.

本论文采用常压化学气相沉积法以SiH4和TiCl4为前驱体在硅板/玻璃衬底上一次性制备出大面积硅化钛薄膜/纳米线复合结构，运用XRD、SEM、TEM等手段对样品的结构和性能进行了测试和分析。

When the condensed water discharge is completed, the subsequent emission of steam, due to condensation of water vapor than the volume and velocity, to generate pressure up and down the valve, the valve in the suction flow rate of steam rapidly closing.

当凝结水排放完毕，蒸汽随后排放，因蒸汽比凝结水的体积和流速大，使阀片上下产生压差，阀片在蒸汽流速的吸力下迅速关闭。

The overall average abso-lute deviations invapor pressure,liquid volume,vapor volume and heats of vaporization are 0.60%,1.84%,3.26% and 3.36% respectively.

并经过全面的分析计算比较，选择了合理的引力项和体积平移项的温度函数表达式。

When the condensation of water discharge is completed, followed by emission of steam due to condensation of water vapor than the volume GLOBE VALVE and flow, causing the upper and lower valves generate pressure, the steam valve of the suction flow rapidly closing.

当凝结水排放完毕，蒸汽随后排放，因蒸汽比凝结水的体积和流速大，使阀片上下产生压差，阀片在蒸汽流速的吸力下迅速关闭。

The influence rule to powder quality and quantity from some technical parameters such as materials vapor tension, gas pressure, the ratio between hydrogen and argon, current intensity and gas circulate intensity were discussed by single-factor experiment, on the base of which the perpendicularity experiment scheme was arranged.

本文采用压力模型计算出稳定弧光制粉时的气相空间温度在373K以下；从电流密度和电导率角度计算出等离子体电弧场中心温度高达5000-6500K；由此得出弱电离等离子体自由弧的自身温度场即使没有外界强制冷却，在等离子体焰区特征半径(约1.26cm)范围内的温度梯度就可达4787℃/cm，这是电弧等离子体温度场分布高度集中的具体表现，也是纳米金属粉末无须液氮冷却就能生成的本质原因，阐释了等离子体温度场自身的极大温度梯度是金属粉体纳米化的控制机制。

The quality meet or exceed traditional seamless steel tube products for heat exchange, low-, medium-pressure boiler, municipal pipelines (steam heating, fuel vapor transmission, etc.) as well as the chemical industry, power plants, chemical fertilizer, oil field and other fields.

质量完全达到或超过传统无缝钢管，产品适用于换热气、低、中压锅炉、市政输送管道以及化工、电厂、化肥、油田等领域。

With reforming ratio increasing,the maximal temperature and thermal efficiency of theory cycle is increasing,but the maximal pressure would be decreasing with reforming ratio increasing due to influence of moles.5 Kit experiment results of RE compared to that of hydrous-ethanol vapor engine are studied.

随着重整率的提高，理想循环的最高温度逐渐增大，由于分子体积变化系数的影响，循环最大压力随着重整率的提高逐渐下降；随着重整率的提高，循环热效率逐渐增加。5对比分析了RE发动机和VE发动机台架试验结果。

An artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust.

飞行器制造的人造云；既可以是由机翼表面气压减小导致的浓缩产生，又可以引擎排气管排出的水蒸气造成。

Thought water is a good refrigerant, it is difficult to be used directly in a common compression refrigeration system due to its very low pressure and vapor density at the evaporation temperature.

在蓄能空调和蓄能除湿领域，适合于先进蓄能系统的工作溶液是溴化锂或氯化锂水溶液，其制冷剂是水，需采用水蒸气压缩机。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。