Groundwater sourced near porous rocks, for example, will contain more minerals, while water from glaciers has almost none.
例如,来自多孔岩石附近的地下水将含有更多的矿物质,而冰川融水几乎没有矿物质。
单词 | Porous rock |
释义 |
Porous rock
原声例句
中高级英语短文 Groundwater sourced near porous rocks, for example, will contain more minerals, while water from glaciers has almost none. 例如,来自多孔岩石附近的地下水将含有更多的矿物质,而冰川融水几乎没有矿物质。 TED演讲(视频版)双语精选 You see, my city is built on porous limestone rock, and the water will just come up through it. 你看,我的城市建在多孔的石灰岩上,水会从这里涌上来。 TED演讲(视频版) 2022年6月合集 You know, plenty of porous basalt rock in a geothermally active zone is one such example. 你知道,地热活跃带中大量多孔的玄武岩就是这样的例子。 地心游记-The journey to the heart of the Earth Iceland, which is entirely devoid of alluvial soil, is wholly composed of volcanic tufa, that is to say, an agglomeration of porous rocks and stones. 冰岛完全没有冲积土,完全由火山凝华组成,也就是说,多孔岩石和石头的聚集体。 《沙丘》有声书 He imagined it now —sealed off in strata of porous rock by the leathery half-plant, half-animal little makers—and the thin rupture that was pouring a cool stream of clearest, pure, liquid, soothing water into… . 他现在想象它——被坚韧的半植物半动物小制造者密封在多孔岩石层中——以及正在将最清澈、纯净、液态、舒缓的凉爽水流倒入… … 的薄裂隙。
中文百科
孔隙率 Porosity(重定向自Porous rock)
![]() ![]() ![]() ![]() 孔隙率(英语:Porosity)或孔隙分数是表征材料的孔隙部分的物理量,定义为孔隙的体积与材料总体积的比率,所以总是在0到1之间,用百分数表示,为0到100%之间。由于开孔或与开孔连通的孔隙才能允许液体进入,在应用上更有价值,所以多将开孔所占体积与材料总体积的比值定义为有效孔隙率(effective porosity),有效孔隙率小于等于总孔隙率。有多种方法可以测试材料的孔隙率和有效孔隙率, 孔隙率概念被广泛用于药理学、陶瓷、冶金、材料生产、土壤机理和工程等多方面。
英语百科
Porosity 孔隙率(重定向自Porous rock)
![]() ![]() ![]() ![]() Porosity or void fraction is a measure of the void (i.e. "empty") spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0 and 100%. Strictly speaking, some tests measure the "accessible void," the total amount of void space accessible from the surface (cf. closed-cell foam). There are many ways to test porosity in a substance or part, such as industrial CT scanning. The term porosity is used in multiple fields including pharmaceutics, ceramics, metallurgy, materials, manufacturing, earth sciences, soil mechanics and engineering. |
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