Relative density and specific gravity are interchangeable terms that refer to the density of a gas relative to air at some defined pressrue and temperature.Relatie density is a useful value in that it defines gas composition independent fo pressure and temperature.aThe opnly variable tha tcna ...
specific gravity na.(=relative density)比重；密度；尿比重 例句 1.Hydrometer: an instrument used for measuring the specific gravity of a liquid or solution.比重计：量度液体或溶液的比重的仪器。2.However, in another book, I found a graph showing yeast cell population growth and specific...
It is the relative proportion of the Density of the sample to the Density of the reference. Calculation To calculate the Density of any material weight and volume of the substance must be known. To calculate the specific gravity, the Density of the sample material is divided by the Density ...
内容提示: z JI a: I ~ De si gnation: 0 792 - 08 可咱 H 三INT.""An ONA1 Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacemen t' Th is Slu ndll 时 i s i ss ued l .m der lhe fixe d d esig nati on D 792 ; th e numher...
Specific gravity, called Relative Density, is a measurement used to define the weight or Density of a substance compared to the Density of an equal volume reference material at a specified temperature. In most cases, the reference material is liquid water or gaseous air. The specific gravity rep...
Specific Gravity (Relative Density)-SG- is adimensionlessunit defined as theratio of the density of a substance to the density of water- at a specified temperature and can be expressed as SG = ρsubstance/ ρH2O(2) where SG = Specific Gravity of the substance ...
The higher the density, the tighter the particles are packed inside the substance. Density is a physical property constant at a given temperature and density can help to identify a substance.Densities and material properties for common materials Relative Density (Specific Gravity)Relative density of ...
Specific gravity, more formally known as relative density, is a measure of thedensityof a substance in comparison to the density of water. Forsolidsandliquids, specific gravity is generally measured in relation to water at its densest state (at temperatures of 4 Celsius or 39.2 Fahrenheit), and...
Terminology 3.1 General—The units, symbols, and abbreviations used in these test methods are in accordance with Practice E 380. 3.2 Denitions: 3.2.1 specic gravity (relative density)—the ratio of the mass in air of a unit volume of the impermeable portion of the material at 23°C to ...
specific gravity, relative densityn(physics)SCSimplified Chinese比重bǐ zhòng TCTraditional Chinese比重 在这些条目还发现'specific gravity': 中文: 比重 标题中含有单词 'specific gravity' 的论坛讨论: 未在Chinese论坛中找到有关“specific gravity”的讨论 ...