查询词典 Iceland

Firstly, the properties of the Iceland crystal are described. The notion of the dispersion and the Sellmeier equation are presented.

将其与实验值相比较，发现得到的 Sel lmeiCF方程较好地表达了冰洲石晶体的色散关系和温度效应。

Chapter 3 is arranged in the following sequence to acquire the refractive index of the Iceland crystal for different values of the wavelength and the temperature.

在可见光区将四组不同的波长和对应的折射率代入常数表达式中，然后通过重复的迭代得到最佳的常数值；使用线形插值的办法得到了不同波长的折射率温度系数，从而可得出不同温度的 S el line i e r方程常数值，这样可以很容易求出各个温度下各波长所对应的折射率值。

Much attention has been paid to this problem for a long time. One example is the thermal effects on the polarizing devices that are made up with Iceland crystal or other birefringent materials.

温度对任何仪器、设备乃至器件性能的影响一直是人们十分关注的问题；由冰洲石晶体及其它晶体等双折射材料制作的偏尤器件也不例外。

In order to observe crystal birefringence phenomenon visually,this paper designed and fabricated the visually experimental demonstrating device of crystal birefringence phenomenon by using the scattering process of impurity in non-optically natural Iceland crystal.

为了能够直观地观察到晶体中的双折射现象，利用非光学级的天然晶体冰洲石中杂质对光的散射作用，设计、制做了晶体双折射现象的直观实验演示器。

The processing of making birefringence Iceland glassy prism from calcite crystal, which included orientation, cutting, grinding, polishing, coating, testing of extinction index and so on, were described.

介绍了双折射晶体方解石的加工工艺过程，包括对双折射方解石晶体进行定向、切割、研磨、抛光、消光比的测定等。

The sample was made of FK-2 glass and iceland crystal,between which either glycerine or organic silica gel could be used for gluing.

超高透偏光棱镜[4-5]便是这方面的典范：文献[4]和文献[5]分别给出了如图1所示的2种棱镜，它们的透射比一般均高于98%，使用得当完全可以达到99%以上。

When the temperature changes, several device parameters such as the transmittance, the extinction ratio and the curve of the transmittedintensity will change accordingly for devices made of the Iceland crystal.

其次系统分折了温度对格兰·泰勒棱镜和格兰·付科棱镜的透射光强曲线的影响，利用光的干涉原理和不同振动形式的反射比公式，得到了格兰棱镜在同一入射波长、温度改变时的扰动因子极大值点的移动量以及相同的温度改变、不同人射波长时扰动困子极大值点的移动量。

There are coal, iron, sulfur, arsenic, lead, zinc, fluorite, Iceland spar, barite, crystal stone, gypsum, limestone, silica, clay and other 20 kinds of mineral resource. It also has proven the reserves of 3.3 billion tons of coal, There are rich seam for the development and utilization of coal-bed methane, coal-producing counties are key.

境内有煤、铁、硫、砷、铅锌、萤石、冰洲石、重晶石、水晶石、石膏、石灰石、硅石、粘土等20余种矿产资源，已探明煤炭储量33亿吨，煤层中蕴藏着丰富可供开发利用的煤层气，是全国重点产煤县。

In addition, the former under Sinian Bikou Sinian subgroups and the subgroups Bikou metallogenic belt in the wider region, there is uranium, manganese, iron, cobalt, sulfur, nickel, coal, phosphate, crystal stone, Iceland spar, witherite, marble, limestone and so on, the development of industrial raw materials, excellent conditions for the processing industry.

此外，在前震旦系碧口下亚群和震旦系碧口上亚群成矿带广大区域内，有铀、锰、铁、钴、硫、镍、煤、磷、水晶石、冰洲石、毒重石、大理石、石灰石等，发展原料工业、加工工业条件优越。

There are coal, iron, sulfur, arsenic, lead, zinc, fluorite, Iceland spar, barite, crystal stone, gypsum, limestone, silica, clay and other 20 kinds of mineral resource.

全区水力资源理论蕴藏量14.96万千瓦，其中可开发量达5.17万千瓦。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了