Density

(noun.) the amount per unit size.

手打:珀西瓦尔

• When light passes from air into water, or from any transparent substance into another of different density, its direction is changed, and it emerges along an entirely new path (Fig. 64). 伯莎M.克拉克. 科学通论.
• In 1844 he proceeded to apply the principles maintained in his earlier study to changes of temperature as related to changes in the density of gases. 李贝. 西洋科学史.
• The lighter the weight of the substance, or less its density, the easier these rays passed through it, or the more transparent such bodies were to the rays. Edward W. Byrn. 十九世纪发明进展.
• Differences of temperature and density of the parts of the original mass account for the eccentricity of orbits, and deviations fro m the plane of the equator. 李贝. 西洋科学史.
• It follows from this law that the density and tension, and therefore the expansive force of a gas, are proportional to the compressing force to which it is subjected. 威廉·亨利·杜利特. 世纪发明.
• They were enabled, from the density of the forest, to approach within a few hundred yards of our advance before being discovered. 尤利西斯·格兰特. U．S．格兰特的个人回忆录.
• We have seen that light is bent when it passes from one medium to another of different density, and that objects viewed by refracted light do not appear in their proper positions. 伯莎M.克拉克. 科学通论.
• In this circulating vaporous disk about the sun differences of density give rise to zones not unlike the rings of Saturn. 李贝. 西洋科学史.
• The air was so thick with the darkness of the day and the density of the fall that we could see but a very little way in any direction. 查尔斯·狄更斯. 荒凉山庄.
• Any object of higher density, such as a ring upon the finger, clearly establishes its shadow by virtue of its greater density. Edward W. Byrn. 十九世纪发明进展.
• At a height of twenty miles there is scarcely any air at all--not one hundredth part of the density of air at the surface of the sea. 赫伯特·乔治·威尔斯. 世界史纲.
• In such condition, Mrs. Sparsit stood hidden in the density of the shrubbery, considering what next? 查尔斯·狄更斯. 艰难时事.

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