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vein structure
相关语句
  脉状构造
     The ore have disseminated structure, stratified structure, stipped structure, lamellar structure, vein structure and brecciated structure.
     矿石构造主要有浸染状构造、层块状构造,其次为条带状构造、层纹状构造、脉状构造、角砾状构造。
短句来源
  “vein structure”译为未确定词的双语例句
     The ore are mainly euhedral-granual, hypidiomorphic-granual texture and filling-metasomatic texture, impregnation structure and joint vein structure.
     矿石结构主要有充填交代结构,自形-半自形粒状结构。
短句来源
     Secondly, considering the complexity of the reticulate vein structure, it is impractical to copy the complete wing structure in bionic structural design due to special technical requirements and expensive cost, so it is significant in engineering application to simplify the reticulate vein structure moderately while try to keep its superiority in structural performance.
     其次,考虑到翅膀网状翅脉结构的复杂性,在结构仿生设计中完全进行模仿既存在加工工艺和技术上的困难,还会造成工程造价的显著增加,因此,尝试在尽可能保持其网状翅脉结构优越的结构性能的前提下,对这种结构进行了一些合理的简化。
短句来源
     Beidacheng gold deposit occurs in the metamorphic rocks of the Archean Xiaotazi forma-tion of Liaohe group and was controlled by NE ductile-brittle shear belt. The ore body pre sents as vein structure. Two mineralized types are pyrite -quartz vein and altered rocks.
     该金矿产于太古宙建平群小塔子沟组变质岩中,受北东东向韧脆性剪切带控制,矿体呈脉状,矿化类型有黄铁矿-石英脉型和蚀变岩型两类,矿化与蚀变呈正相关关系。
短句来源
     The results indicated there existed a secondary and reactive remodel- ing of the spleen and splenic vein structure, which led to worse influence to the hemodynamics of portal hyper- tension.
     结果提示,门脉高压时内脏血管发生继发性反应性结构改建,对门脉高压血流动力学进一步产生不良影响。
短句来源
     It is considered that Precambrian"molar tooth structure" with common features of liquefied vein structures is called "liquefied vein structure of micritesparry limestone"best.
     笔者认为将具有地震液化脉构造共同特征的前寒武纪“molar tooth构造”,称作“泥亮晶灰岩液化脉构造”为宜。
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  相似匹配句对
     On ITS Structure
     论ITS的结构体系
短句来源
     The structure of leaf vein is complicated.
     叶脉结构较为复杂,主脉发达.
短句来源
     The structure of C.
     剖析C.
短句来源
     Vein
     脉
短句来源
     The structure of ore are of vein, stockwork and breccia.
     矿石具脉状、网脉状和角砾状构造 ,发育有特征的矿物组合、元素分带 .
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  vein structure
The fracture surfaces show remarkably different features, i.e., a uniform vein structure (compressive fracture) and round cores coexisting with the radiating veins (tensile fracture).
      
The internal substructure of the Cu free steel shows typical cell structure but those of the Cu added steels exhibit vein structure.
      
The effect of hepatic portal dissection on the portal vein structure in biliary atresia
      
This evolutionary tendency is confirmed by the ecological spreading and life-form distribution of modern plants with different types of minor vein structure.
      
Here, these results are used to correlate minor vein structure with plant evolutionary, ecological and growth form schemes.
      
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The developing conditions, controlling factors, characteristics of recharge, runoff, discharge and hydraulic dynamics and water resources of Disu underground river system, the biggest one in South China , have been studied from 1959 to 1980. The system with a total length of 241.1km and catchment area 1004 km2 consists of 12 branches. The karst conduits in the upper reaches is simple, vein structure in the middle reaches and networks in the lower reaches. The river system is characterized by multi-level...

The developing conditions, controlling factors, characteristics of recharge, runoff, discharge and hydraulic dynamics and water resources of Disu underground river system, the biggest one in South China , have been studied from 1959 to 1980. The system with a total length of 241.1km and catchment area 1004 km2 consists of 12 branches. The karst conduits in the upper reaches is simple, vein structure in the middle reaches and networks in the lower reaches. The river system is characterized by multi-level structure, flow velocity 4-10 km/d, max, discharge 544.9m3/s and annual discharge 1.2x 109 m3.

通过用多种技术手段和方法进行了探测与深入研究,获得了关于岩溶地下河系理论与实践方面的新认识。本文论述了中国南方最大的地下河系——地苏地下河系的发育条件,制约因素,补给、迳流、排泄,水运动特征与规律,水资源等。地苏地下河系有12条文流,总长度241.1km,集水面积1004km~2。上游管道较简单,中游呈脉状,下游发育为网状河系。地下河系具有多层结构特征,流速4—10km/d,最大流量达544.9m~3/s。年排泄水量12亿m~3/y。

The en-echelon structure of tungsten veins is well developed ha Xihuashan and assumes very complicated patterns. Analysis of the structural patterns of the tungsten veins in three dimensions proves that the en-echelon structure of the veins has been formed by the break up of single complete veins. When the tungsten veins met a changing stress field in the process of their propagation, the veins tended to maintain the mechanical nature of the original fractures...

The en-echelon structure of tungsten veins is well developed ha Xihuashan and assumes very complicated patterns. Analysis of the structural patterns of the tungsten veins in three dimensions proves that the en-echelon structure of the veins has been formed by the break up of single complete veins. When the tungsten veins met a changing stress field in the process of their propagation, the veins tended to maintain the mechanical nature of the original fractures and called for a reduction in propagation resistance; as a result, a single vein broke up into en-echelon veins. They are different from the en-echelon fractures formed in a shear zone. Calculation based on the data shows that the ratio of average stress to deviatoric stress is low, which favours the break up of a vein into the en-echelon structure. The lithological boundaries widespread in the ore district are responsible for the rotation of the stress direction; therefore the en-echelon structure generally occurs when a vein approaches the boundary. A change in attitude of the lithological boundary may lead to a change in the rotation of the stress direction, thus forming en-echelon veins of different patterns. The fact that the ENE and E-W sets of tungsten veins assume quite different structural patterns is probably related to the rotation of the stress direction. After the formation of the en-echelon veins, stress interference was produced between the adjacent veins, which would control further propagation of tungsten veins and form multiple vein structures of varying shapes.

从分析西华山钨矿脉在三维空间的构造形态的变化特征,说明该矿脉的雁行构造是形成于应力方位转变,使完整矿脉发生分裂,而不同于剪切带中的雁行断裂。由于矿脉的分布受岩性界面控制,以及在岩性界面附近产生应力方位的旋转,从而导致了矿脉在接近岩性界面时产生雁行构造。矿区内由于界面产状的变化而引起矿脉雁行型式的变化是一个很有意义的构造现象。雁行构造还显示了相邻矿脉在扩展中的变化特征。

Beidacheng gold deposit occurs in the metamorphic rocks of the Archean Xiaotazi forma-tion of Liaohe group and was controlled by NE ductile-brittle shear belt. The ore body pre sents as vein structure. Two mineralized types are pyrite -quartz vein and altered rocks. The mineralization has positive relations with alteration. Ore sources are provided by the Archean amphibolitic formation, and have genetic relationship with Yanshan supergene -ultra -su-pergene quartz-orthophyre and rhyolite porphyry....

Beidacheng gold deposit occurs in the metamorphic rocks of the Archean Xiaotazi forma-tion of Liaohe group and was controlled by NE ductile-brittle shear belt. The ore body pre sents as vein structure. Two mineralized types are pyrite -quartz vein and altered rocks. The mineralization has positive relations with alteration. Ore sources are provided by the Archean amphibolitic formation, and have genetic relationship with Yanshan supergene -ultra -su-pergene quartz-orthophyre and rhyolite porphyry. Sulphur isotopic compositions correspond to meteoritic sulfur. The mineralization temperatures are mainly between 120℃ to 270℃. It belongs to magmatic metamorphic hydrothermal reconstruction Au deposit of medium-low-er temperature.

该金矿产于太古宙建平群小塔子沟组变质岩中,受北东东向韧脆性剪切带控制,矿体呈脉状,矿化类型有黄铁矿-石英脉型和蚀变岩型两类,矿化与蚀变呈正相关关系。矿质来自太古宙绿岩建造,金矿与燕山期浅成-超汽成石英正长斑岩、流纹斑岩有着成因联系,硫同位素组成相当于陨石硫,成矿温度主要在120—270℃之间,矿床成因为中低温变质-岩浆热液改造型金矿床。

 
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