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石英光轴
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  optic axis of quartz
     An Extinction Direction Method of Determining Dimensional Orientation of the Optic Axis of Quartz on the Universal Stage
     费氏旋转台上测定石英光轴空间方位的消光位法
短句来源
  “石英光轴”译为未确定词的双语例句
     The shear indicators and quartz c-axial fabrics in the zone imply dextral strike-shearing. Kinematic vorticity numbers in the QDSZ obtained through quartz C-axial fabrics analysis range from 0.96 to 0.99. Kinematic vorticity numbers given by polar Mohr constructions of mylonitic rocks, protomylonite, mylonite and ultramylonite are 0.91,0.87,0.81 and 0.60, respectively.
     石英光轴法求得运动学涡度在0.96~0.99之间变化,极摩尔圆法求得糜棱岩化岩石运动学涡度为0.91,初糜棱岩运动学涡度为0.87,糜棱岩运动学涡度为0.81,超糜棱岩运动学涡度为0.60。
短句来源
     The opening angles of the small circles are about 70°,and the direction of their axis is nearly parallel to the foliation.
     石英光轴呈一种特殊的小圆环带组构,开展角为70°左右,带轴与面理平行.
短句来源
     3. Thin sections of different directions from the fault zones indicate that the quartz optic axial petrofabric diagrams are nearly in orthorhombic sym- metry, and the positions of single point maximum coincide with the position of σ1. 4 σ1 positions obtained from the above mentioned two kind of petrofabric diagrams are basically identical.
     3.三条断层带中的不同方向的切片中。 石英光轴岩组图也都呈近斜方对称,且其点极密的位 置即为σ1的位置;
短句来源
     The research into the optical axes fabrics of quartz shows the small circle girdle fabric resulting from early coaxial pure shere deformation and the progressive relationship of point maximum-large circle girdle-cross large circle girdle resulting from non-coaxial simple shear deformation.
     研究了石英光轴的组构形式,证实存在:早期共轴纯剪变形的小圆环带组构和非共轴简单剪切变形中,呈递变关系的点极密—大圆环带—交叉大圆环带组构型式。
短句来源
     Kinematic indicators, such as stretching lineation, fold axes in parallel to stretching, rotation of synkinematic porphyroblast, S-C fabric and quartz c-axis fabric etc. , all support that DF_1 is inferred to SE—SSE-directed subduction with anticlockwise rogation and DF_2 is SW—directed thrusting with clockwise rotation.
     运动学指示标志,如拉伸线理、与拉伸线理平行的各种褶皱枢纽、同构造变斑晶的旋转、S-C组构及石英光轴组构等,都清楚地显示DF_1运动方向为南东-南南东,伴有左行旋转,晚期DF_2为由NE向SW的逆冲剪切,伴有右行旋转。
短句来源
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  相似匹配句对
     Optical measurement of the thickness alo ng the quartz crystal axis
     石英晶体光轴方向厚度的光学测量研究
短句来源
     Dynamic Analysis of Optic Axis Preferred Orientation of Quartz and Calcite from Mishan—Fushun Fault Zone
     密抚断裂带石英、方解石光轴优选方位动力学分析
短句来源
     Quartz Family Minerals(A Handbook for the Mineral Collector)
     石英类矿物
短句来源
     NEW DESIGN OF QUARTZ THERMOMETER
     石英温度计的新设计
短句来源
     Comparison of Production Technology of Non-step Shaft
     光轴生产工艺比较
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  optic axis of quartz
Measurement of the deviation of the optic axis of quartz from the normal to the end surfaces of polarimetric quartz plates accor
      


The quartz microstructures developed in the migmatite ductile shear zone resulted from low temperature creep deformation at Yongning region Yangchun county,Guangdung.The C-axis fabric formed a small circle pat- tern with particular characteristics.The opening angles of the small circles are about 70°,and the direction of their axis is nearly parallel to the foliation.The preliminary studies both in the field and in the laboratory indicate that this kind of small circle may be formed because of intragran- ular...

The quartz microstructures developed in the migmatite ductile shear zone resulted from low temperature creep deformation at Yongning region Yangchun county,Guangdung.The C-axis fabric formed a small circle pat- tern with particular characteristics.The opening angles of the small circles are about 70°,and the direction of their axis is nearly parallel to the foliation.The preliminary studies both in the field and in the laboratory indicate that this kind of small circle may be formed because of intragran- ular glide of (0001) 〈11(?)0〉 system under axial extension.

广东省阳春县永宁地区混合岩韧性剪切带内的石英普遍具有低温蠕变产生的显微构造。石英光轴呈一种特殊的小圆环带组构,开展角为70°左右,带轴与面理平行.野外和室内的初步研究表明,这种小圆环带可能是在轴向拉伸应变下,主要由石英晶内(0001)〈(?)〉滑动系统的活动形成的.

Three comparably typical compressive and compresso-shearing faults of qua rtz sandstone of the Permian system at Yongan, Fujian province, were stu- died. Investigation of macroscopic and microscopic variation regularity of naturally-deformed microstructure and petrofabric analyses for oriented speci mens along the faults were carried out Moreover, comparison was made be- tween the data obtained both in laboratory and in field observacion The conclusions are 1. The features of tectonites in macrostructure and...

Three comparably typical compressive and compresso-shearing faults of qua rtz sandstone of the Permian system at Yongan, Fujian province, were stu- died. Investigation of macroscopic and microscopic variation regularity of naturally-deformed microstructure and petrofabric analyses for oriented speci mens along the faults were carried out Moreover, comparison was made be- tween the data obtained both in laboratory and in field observacion The conclusions are 1. The features of tectonites in macrostructure and microstructure are -consistent with each other. 2. Pole diagrams of quartz deformation lamellae obtained from horizontal thin sections of the three fault zones are analogous, all possessing quite per- tect orthorhombic symmetry, with the direction of the three obtuse bisectrixes of the pole maximum of deformation lamellae coinciding with that of the main compressive stress(σ1 ). 3. Thin sections of different directions from the fault zones indicate that the quartz optic axial petrofabric diagrams are nearly in orthorhombic sym- metry, and the positions of single point maximum coincide with the position of σ1. 4 σ1 positions obtained from the above mentioned two kind of petrofabric diagrams are basically identical. The mean error between the occurrence of glide line of the faults obtained through diagram analysis and those through field observation amounts only to 4°. what has been described indicates that, microstructural study and micro- analysis are an effective tool in determining dynamic properties of fractures.

本文就福建永安二迭系石英砂岩中三条较典型的压性、压扭性断层中的定向标本进行显微构造 研究和岩组分析,对室内外观测数据进行权衡和对比,探索天然变形岩石组构的宏、微观变化规律. 结论是: 1. 宏、微观构造岩的特征一致; 2.从三条断层带中的水平切片所测得的石英变形页理极点图相类似,都具较完善的斜方对 称,变形页理极点最密区的钝角平分线方向都为主压应力(σ1)的方向; 3.三条断层带中的不同方向的切片中。石英光轴岩组图也都呈近斜方对称,且其点极密的位 置即为σ1的位置; 4.从上述两种岩组图求得的σ1位置基本一致,以此求得的断层滑动线的产状与宏观所测的数 据的平均误差只有4°. 以上表明,显微构造研究和显微分析在鉴定断裂的力学性质上是行之有效的手段.

In the petrofabric study, generally only after the rake direction and rake angle of the optic axis of quartz in thin section of rock and mineral are determined on the universal stage, a stereographic projection diagram of the optic axis of quartz can be made. However, our method is put forward on the principle that the extinction directions of the same optic axis of quartz on a succession of two different planes result in the intersection of these planes, and the intersecting line must be the optic axis. This...

In the petrofabric study, generally only after the rake direction and rake angle of the optic axis of quartz in thin section of rock and mineral are determined on the universal stage, a stereographic projection diagram of the optic axis of quartz can be made. However, our method is put forward on the principle that the extinction directions of the same optic axis of quartz on a succession of two different planes result in the intersection of these planes, and the intersecting line must be the optic axis. This method, therefore, requires only determining two extinction directions and a rotation angle of Ⅰ-axis of each quartz grain on different planes, a projection diagram of the optic axis can be made.The projection is made on our designed projection net for the extinction direction method according to the readings of N-ring, Ⅰ-axis and M-ring.It has been proved from practice for several years that this determination method is an easy, ready and accurate one in the petrofabric work.

作者依据同一石英光轴的先后二次不同平面上的消光位,所造成的二平面相交,其交线必是光轴的原理,提出了用消光位法来测定石英光轴的空间方位。本方法只需测出每个石英颗粒在不同平面上的两个消光位及一个I轴的旋转角,便可作光轴投影图,从而求出石英光轴的空间方位。

 
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