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- vapour pressure index 蒸汽压指数
- Vapour pressure is an important product specification. 蒸气压是一个重要的产品规格。
- Ice possesses a lower equilibrium vapour pressure than water. 冰具有比水低的平衡蒸汽压。
- The most accurate observations are made when we observe the light emitted when the vapour pressure is low. 当蒸气压很低时,可以对原子所发射的光谱作出最精确的观测。
- It is practically immiscible with water, has a high boiling point and low vapour pressure. 它特别不溶于水,沸点更高,蒸汽压更低。
- The four properties, vapour pressure lowering, freezing point depression, boiling elevation, and osmotic pressure, are known as the colligative properties of solutions. 溶液的这四个特性:蒸汽压下降、凝固点降低,沸点升高和渗透压,称为溶液的依数性。
- Percentage ration of the actual vapour pressure in the air to the saturation vapour pressure with respect to water at the same temperature and pressure. 空气中的实际水气压与在相同温度和气压下的水面饱和水气压的百分比。
- Find the number on the pressure difference line and note the outlet pressure index number. 找出压差线上的数字,并且注意出口压力指数。
- In this paper, a chemical-mathematic model for the pressure index of nitramine modified double based propellants is presented , and the expression of pressure index is given. 提出了硝胺改性双基推进剂燃速压力指数的化学数学模型,给出了燃速压力指数公式。
- Objective:To investigate the influencing factors of Brachial Ankle Pulse Wave Velelocity(baPWV) and Ankle Brachial pressure Index(ABI) in heaithy subjects. 摘要 目的:探讨健康人群脉搏波传导速度(PWV)、踝臂指数(ABI)的影响因素。
- Abstract: Reformation of medium, mini-scale boiler by means of single-chip computer can both heighten boiler heat efficiency to save energy, and make vapour pressure stable to implement safe moving and automatical control. 文摘:利用单片微机改造中小型工业锅炉,既能提高锅炉热效率,达到节能效果,又能使蒸汽压力稳定,运行安全可靠,实现控制自动化。
- Reformation of medium, mini-scale boiler by means of single-chip computer can both heighten boiler heat efficiency to save energy, and make vapour pressure stable to implement safe moving and automatical control. 利用单片微机改造中小型工业锅炉,既能提高锅炉热效率,达到节能效果,又能使蒸汽压力稳定,运行安全可靠,实现控制自动化。
- A concise physical picture is furnished by chemical potential curve about the law of phase equilibrium, saturated vapour pressure of curved liquid surface, evaporation and condensation etc. 通过曲线描述,提供了关于相平衡、弯曲液面饱和蒸气压以及蒸发、凝结等规律比较直观的物理图像。
- It is unfortunate that very little data exist concerning vapour pressures of solid materials which might be found in the atmosphere. 遗憾的是关于可能在大气中发现的固态物质的气压资料少得可怜。
- Use the technique of supercritical CO2 extraction inquiring into the extrct condition of the kernels oil tentatively, and findthe best temperature and pressure index for extraction. 用co2超临界萃取技术,对红松松仁油提取条件进行了初步探讨,找出了最佳提取温度、力指标。
- This paper introduced the calculations of pressure index (PI), amendment and decision factors, and particularly described the principle and application method of PI decision technology. 介绍了压力指数(PI)值的计算、修正以及决策因子的计算.;着重阐述了PI决策技术的原理和应用方法。
- Use the technique of supercritical CO2 extraction inquiring into the extrct condition of the kernels oil tentatively,and findthe best temperature and pressure index for extraction. 用CO2超临界萃取技术,对红松松仁油提取条件进行了初步探讨,找出了最佳提取温度、压力指标。
- Abstract: In this paper, a chemical-mathematic model for the pressure index of nitramine modified double based propellants is presented , and the expression of pressure index is given. 文摘:提出了硝胺改性双基推进剂燃速压力指数的化学数学模型,给出了燃速压力指数公式。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- Measurement of Saturated Liquid Vapour Pressure 液体饱和蒸汽压的测定