- depression of vapor pressure
- 蒸汽压下降
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
depression of vapor pressure
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Vapor pressure — or Vapor tension Vapor tension . (Physics) The pressure or tension of a confined body of vapor of a chemical substance in equilibrium with the solid or liquid form of the substance. The pressure of a given saturated vapor is a function of the… … The Collaborative International Dictionary of English
Vapor tension — Vapor pressure Vapor pressure or Vapor tension Vapor tension . (Physics) The pressure or tension of a confined body of vapor of a chemical substance in equilibrium with the solid or liquid form of the substance. The pressure of a given saturated… … The Collaborative International Dictionary of English
Melting-point depression — This article deals with melting/freezing point depression due to very small particle size. For depression due to the mixture of another compound, see freezing point depression. Melting point depression is a term referring to the phenomenon of… … Wikipedia
osmotic pressure — n the pressure produced by or associated with osmosis and dependent on molar concentration and absolute temperature: as a) the maximum pressure that develops in a solution separated from a solvent by a membrane permeable only to the solvent b)… … Medical dictionary
Freezing-point depression — This article deals with melting and freezing point depression due to mixture of another compound. For depression due to small particle size, see melting point depression. Freezing point depression describes the phenomenon in which the freezing… … Wikipedia
Melting point depression — is a term referring to the phenomenon of reduction of the melting point of a material with reduction of its size. This phenomenon is very prominent in nanoscale materials which melt at temperatures hundreds of degrees lower than bulk… … Wikipedia
Dew point depression — The dew point depression (T Td) is the difference between the temperature and dew point temperature at a certain height in the atmosphere. The smaller the difference, the more moisture there is, and the higher the relative humidity. In the lower… … Wikipedia
colligative — 1. Depending on numbers of particles. 2. Referring to properties of solutions that depend only on the concentration of dissolved substances and not on their nature ( e.g., osmotic pressure, elevation of boiling point, vapor pressure lowering,… … Medical dictionary
osmometer — 1. An instrument for measuring osmolality by freezing point depression or vapor pressure elevation techniques. 2. An apparatus for measuring the acuteness of the sense of smell. * * * os·mo … Medical dictionary
osmolality — The concentration of a solution expressed in osmoles of solute particles per kilogram of soluent. calculated serum o. the calculation of serum o. from serum sodium, glucose, and urea nitrogen values by a variety of formulae, the most common of… … Medical dictionary
Colligative properties — are properties of solutions that depend on the number of molecules in a given volume of solvent and not on the properties/identity (e.g. size or mass) of the molecules.[1] Colligative properties include: relative lowering of vapor pressure;… … Wikipedia
