他和他的同事们一直在试验一种叫做冰洲石的矿物。
He and his colleagues have been experimenting with a mineral called 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。
We can be conveniently studied with reference to a crystal of calcite or Iceland SPAR.
冰洲石是方解石的一种存在形式，它可以把光线分成两束。
Iceland SPAR is a form of calcite that splits light into two beams.
利用工业电视摄像系统对冰洲石的切削过程进行观察和记录。
An industrial television camera system is used to monitor and record the cutting process of Iceland SPAR.
该棱镜可用甘油或有机硅胶将FK-2玻璃与冰洲石晶体胶合而成。
The sample was made of FK-2 glass and iceland crystal, between which either glycerine or organic silica gel could be used for gluing.
用自准直方法测量了冰洲石晶体的主折射率并计算出了折射率温度系数。
The main refractive indices of calcite crystal are measured by the means of auto-collimation, and the thermo-optical coefficients are calculated.
Ropars博士已经证实，这个极化过程只要一片冰洲石就足以完成。
Dr Ropars has shown that a piece of Iceland SPAR is sufficient.
然而，世事难料，冰洲石也可能不仅允许维京人抵达了美洲，也可能使西班牙舰队拯救了英格兰。
Perhaps, though, they not only permitted the Vikings to reach America, but also helped save England from the Spanish Armada.
目前，使用最多、性能优良的偏光器件是由天然晶体冰洲石制作的棱镜型起(检)偏镜以及偏光分束镜。
Today, polarizer used frequently and of excellent performance are polarizing prism and beam splitter prism, which are made by Iceland.
为了既节省稀有昂贵的冰洲石晶体材料，又尽量提高偏光棱镜的透射比，设计了一种冰洲石晶体与光学玻璃组合的方法。
In order to save the rare Iceland crystal and increase the transmittance of polarizing prism, a polarizing prism made of Iceland crystal and glass was designed.
在海底经历了数百年之后，这些奥尔德尼晶体变成不透明物了，但是Ropars博士和他的团队正在对这些晶体进行测试，并坚信它们也许就是冰洲石。
Several centuries underwater have rendered the Alderney crystal opaque, but Dr Ropars and his team are now examining it, and believe it may be Iceland SPAR.
在海底经历了数百年之后，这些奥尔德尼晶体变成不透明物了，但是Ropars博士和他的团队正在对这些晶体进行测试，并坚信它们也许就是冰洲石。
Several centuries underwater have rendered the Alderney crystal opaque, but Dr Ropars and his team are now examining it, and believe it may be Iceland SPAR.
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