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iceland spar中文是什么意思

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用"iceland spar"造句"iceland spar"怎么读"iceland spar" in a sentence

中文翻译手机手机版

  • 冰岛晶石矿
  • 冰洲晶石
  • 冰洲石

例句与用法

  • We can be conveniently studied with reference to a crystal of calcite or iceland spar .
    我们可以很方便地以方解石或冰洲石晶体来进行研究。
  • In this paper , the yellow and purple iceland spars are heated to remove their color
    本文通过热处理的方法,对黄色和紫色冰洲石的颜色进行改善。
  • Heating can bleach these color centers , consequently , the color caused by them is removed , and iceland spars become colorless
    加热使冰洲石的色心受到破坏,从而使冰洲石的颜色褪去。
  • The calcite popular name has the big calcite and the small calcite two kinds , namely cleaves completely and incompletely two kinds , in big calcite has the transparency is very high , quality excellent is the iceland spar
    方解石俗称有大方解石及小方解石两种,即解理完全及不完全两种,其中大方解石中有的透明度很高,质量上乘的的即为冰洲石。
  • The courses of the enhancement do n ' t damage iceland spar or change its physical properties , such as birefringence index , optic chatacter . these show that the samples measure up to their industrial standards after the heating . the experiment is successful
    褪色后的冰洲石晶体外观完好,其双折率、偏光性等物理性质没有明显变化,完全符合它在工业上应用的要求,冰洲石的颜色改善取得了明显的效果。
  • The experiments show that the color of the iceland spar can be changed when heated to a certain temperature , that is , light yellow iceland spars will fade when heated to 360 - 370 , while dark yellow iceland spar will fade at 440 - 450 , brownish yellow iceland spar at 460 - 470 ; and the color of light purple iceland spar can be removed when heated to 390 - 400 , while the color of deep purple iceland spar can be removed at 440 - 450 , deep reddish purple iceland spar at 460 - 470 . on base of the u - v absorption spectrum , we find that the u - v absorption spectra of the faded iceland spars are paralleled to the x axis , the transmittance of them are also greatly improved
    实验表明,冰洲石在加热到一定温度时颜色会发生变化:浅黄色、深黄色和褐黄色冰洲石分别在360 - 370 、 440 - 450和460 - 470完全褪色;浅紫色、深紫色和深紫红色冰洲石分别在370 - 380 、 440 - 450和460 - 470时完全褪色。通过对褪色后冰洲石进行紫外-可见光吸收光谱测试表明:完全褪色后的冰洲石在紫外-可见光的吸收光谱上表现为一条近平行x轴的直线;紫外、可见光区的紫区的光透过率有了很大了提高。
用"iceland spar"造句  

百科解释

Iceland spar, formerly known as Iceland crystal (; lit. silver-rock), is a transparent variety of calcite, or crystallized calcium carbonate, originally brought from Iceland, and used in demonstrating the polarization of light (see polarimetry).
详细百科解释
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