| 词汇 | specific-gravity |
| 释义 | specific gravity noun[ U ] physics specializeduk /spəˌsɪf.ɪk ˈɡræv.ɪ.ti/ us /spəˌsɪf.ɪk ˈɡræv.ə.t̬i/ the mass of a particular volume of a substance when compared with the mass of an equal volume of water at 4°C. A more modern name for this is relative density.比重，相对密度（现更常用 relative density） Mass, area, weight & volume in general A2 A3 A4 A5 area ballast density expansivity heft high density legal letter mass non-dimensional sq. square tare volume volumetric weight You can also find related words, phrases, and synonyms in the topics: Alcohol - general words Examples of specific gravityspecific gravity Hosts arranged in order of increasing specificgravity and hardness (see table 4). The specificgravity and moisture content (w/w) of each wood sample were determined by displacement and oven drying methods, respectively. We therefore assumed a mean wood specificgravity equal to 0.63 g cm-3 for all the trees in the plots. The introduction of a slight negative buoyancy (with specificgravity 1.03) helped to retain the beads in the bottom layer during motion. The long life span of this species may be caused by wood durability with a high specificgravity and abundant defensive compounds. We also developed a different strategy to estimate the wood specificgravity of the trees in our plots. The simplest method of measuring the specificgravity of a liquid is the hydrometer. Using this method, it is possible to obtain the specificgravity of 1 cc. of fluid. Extreme radial changes in wood specificgravity in some tropical pioneers. Given that the specificgravity of dry soil-free dung was 0.42 compared to 1.61 for soil, it was possible to calculate the volume of dung present. But to compensate for long-term aquarium evaporation, it is far more convenient to use a hydrometer to characterize the specificgravity while adding pure water as needed. The vestibular sensory epithelium comprises type 1 and type 2 hair cells, covered with a gelatinous membrane which has a specificgravity equal to that of the endolymph. Geographic variation in wood specificgravity: effects of latitude, temperature, and precipitation. Assuming that the original acid had a specificgravity of 1-841, the stock should have a gravity of 1-550 after it has become cool. Radial gradients in the specificgravity of wood in some tropical and temperate trees. See all examples of specific gravity These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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