折射法

The structure and properties of the fiber during multistage drawing were measured by double refraction , DSC and mechanical test.

采用双折射法、DSC热分析法对不同拉伸级数的纤维进行了结构分析并测试了其力学性能和抗蠕变性能。

The model of full vector Galerkin finite element method with transparent boundary conditions is established.

建立了基于透明边界条件的全矢量迦辽金有限元法分析二维光子晶体光纤的模型，并对椭圆芯等5种高双折射光子晶体光纤基模的模式双折射、限制损耗及色散特性进行了数值分析和比较。

Through many experiments, we find tracing without ray method can solve the problem. The method applies the refractional wave's geometric properties, and exports the velocity models.

无射线追踪法层析静校正将首波方法的稳定性和回转波方法的灵活性结合起来，隐式使用折射波的几何特性，并由此导出速度模型，达到不使用显式射线追踪法进行层析重建的目的。

It can be applied in refraction seismology and multichannel analysis of surface waves survey as well.

认为这种方法在提高野外施工效率的同时，也可以提高数据的信噪比和速度分析的精度，并且可兼顾折射法和多道面波的应用。

Luminaire using reflection and/or refraction to increase the luminous intensity within a limited solid angle.

在限定的立体角内采用反射或折射法提高光强的灯具。

According to the principle of seismic refraction method, the formulas o f the depth and the thickness of the high-speed masses of rock are established using seismic refraction wave reversed and unrepressed time-distance curve and seismic refraction wave raypath theory in this paper.

根据浅层折射波方法原理利用浅层折射波相遇时距曲线与折射波射线路径关系建立了求取浅层高速埋伏岩体的埋深及其厚度的计算模式，利用这些公式可以较准确地确定高速埋伏岩体的位置、埋深及其厚度，对工程地质勘察是十分有利的。

The high temperature phase barium metaborate α-BaB2O4 single crystal with 25mm in diameter, 100mm in height was grown by the Bridgman method .

采用坩埚下降法生长出了新型双折射晶体高温相偏硼酸钡α-BaB2O4单晶，尺寸为φ25mm×100mm，在He-Ne激光照射下无散射颗粒和生长条纹，在可见光区用复式宝石折射仪粗略测得该晶体的双折射率△n=0。

According to the demand of survey tasks, high density resistively survey and seismic refraction method were used in the exploration of railway tunnel after analyzing the geology and topographic conditions.

通过对隧道待勘察路段的地质地貌分析，通过甄选对比，并根据勘察任务要求，有针对性的选择应用地震折射法和高密度电法进行综合勘察。

The field work technologydata-processingresults for process of seismic refraction method and high density resistively survey method are described in detail in this paper. To begin with, the application-effect each method has been showed respectively; at second, the application-effect of integrated geophysical prospecting method was showed in the exploration of railway tunnel, in this part, the fracture zone, faults and their trends were all inferred based on the application-effect of integrated geophysical prospecting methods.

文中详述了地震折射法和高密度电法的野外工作方法技术、资料处理，并根据勘察目的，先单独解释两种勘察方法的效果，再综合两种方法对该路段的地质构造情况进行综合解释，推断出该高速铁路路段中的破碎带、断层及其走向等不良地质情况。

Hammer: A hammer striking a steel plate is used as seismic source for shallow refraction measurements.

冲击锤：浅层折射法中用于锤击钢板来作为震源的锤。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。