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- vapour pressure curve 蒸气压力曲线
- 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。
- 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。
- 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。
- Stage filling mechanism of lenticular sand body has been studied by using capillary pressure curve. 毛管压力曲线是用来评价储层孔隙结构和储层原始含油饱和度的最有效的方法。
- 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。
- The hydraulic fractures crossing the salutatory barrier need a lot of energy accumulation, which can lead to a notable fluctuation of pressure curve. 水力裂缝穿过突变体需要比较大的能量积累,泵压会有显著波动。
- Based on the capil lary pressure curve and the fractal geometry, the fractal capillary pressure and the relative permeability model are set up. 在压汞测试的基础上 ,利用分形几何学原理和方法 ,建立了毛管压力曲线分形模型和相对渗透率的分形预测模型。
- We quantified the decline in mean arterial pressure by calculating an area above the mean arterial blood pressure curve. 我们通过计算平均动脉压曲线上部一部分的区域的面积来定量平均动脉压的下降。
- The wettability index of rock surfaces under a given condition, WR, was determined quantitatively from the pseudo capillary pressure curve measured in the process of imbibition. 由自吸过程中所测得的拟毛管压力曲线,可定量确定岩石表面在某一特定条件下的润湿指数(WR)。
- 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。
- In view of the brittleness of the surrounding rocks of underground roadways, it is best that the contour of roadways takes the shape of a pressure curve. 正>目前煤炭工业中地下巷道维护所用的支护形式,不外被动支护(围岩破坏后作用于支架,如砌(石旋);
- 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。
- Performances of different packing materials were compared through the product of the slope of HETP(height equivalent to a theoretical plate) curve and pressure curve. 填料粒径主要从柱效和压力两方面影响着制备色谱的应用。
- 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。
- The reliability of the result is proved by the data of geologic characteristics capillary pressure curve, relative permeability curve and well production. 并根据该气田地质特征及毛管压力曲线、相渗透率曲线、试采等资料,研究证明了结论的可靠性。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。