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fractures
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  裂缝
    Distribution Rules of the Effective Fractures in Yangxin Series of Permian in South-west Sichuan and A Discussion on the Method of Location of Wells
    川西南地区二叠系阳新统有效裂缝分布规律与布井方法探讨
短句来源
    THE CHARACTERISTICS AND CONTROLLING FACTORS OF SINIAN FRACTURES IN ZIYANG AREA
    资阳地区震旦系裂缝特征及控制因素初探
短句来源
    Study on fractures of buried hill reservoir in Niuxintuo oil field
    牛心坨油田潜山油藏储层裂缝研究
短句来源
    The liner density of fracture of the three facies belts are listed: CNCF-10~30 fractures per meter,PF-3~25 fractures per meter,DF-2~11 fractures per meter.
    这三个相带的裂缝线密度为:CNCF-10~30条/m,PF-3~25条/m,DF-2~11条/m.
短句来源
    EXPERIMENTAL STUDY OF FRACTURES DISTRIBUTION IN LOW-PERMEABILITY SANDSTONE RESERVOIR
    低渗透砂岩储层裂缝分布的实验研究
短句来源
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  断裂
    The Effect of Fractures on Rock Stresses and Its Significance in Geological Engineering
    断裂构造对地应力场的影响及其工程意义
短句来源
    Evaluation of the Regional Stability of the Dun-M'is Fractures
    敦密断裂区域稳定性评价
短句来源
    BORTALA RIVER FRACTURES AND IT'S GEOTECTONIC SIGNIFICANCE
    博尔塔拉河断裂及其大地构造意义
短句来源
    THE CHARACTERISTICS OF THE DEEP FRACTURES AND THEIR RELATED TECTONIC PROBLEMS
    西南三江地区深断裂特征及其有关大地构造问题讨论
短句来源
    NW AND EW TRENDING FRACTURES IN Ql-1 GOLD DEPOSIT AND THEIR GEOCHEMICAL CHARACTERISTICS
    齐Ⅰ金矿床NW,EW向断裂构造及某地球化学特征
短句来源
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  “fractures”译为未确定词的双语例句
    A PRELIMINARY STUDY ON THE CHARACTERISTICS OF THE GROUND FRACTURES DURING THE LU-HUO (炉霍) M=7.9 EARTHQUAKE, 1973 AND THE ORIGIN OF THE EARTHQUAKE
    1973年炉霍7.9级地震的地裂缝特征及地震成因的初步探讨
短句来源
    Development in Evaluating Fractures by Use of Log Information
    用测井信息评价裂缝的新发展
短句来源
    THE RELATIONSHIP BETWEEN REGIONAL TECTONIC FRACTURES AND NONFERROUS METAL MINERALIZATION IN NORTHERN PART OF NORTHEAST CHINA
    东北北部区域构造特征及与有色金属矿产的关系
短句来源
    FRACTAL DIMENSION OF MAIN FRACTURES OF MARBLE UNDER DIFFERENT EXPERIMENTAL CONDITIONS
    不同实验条件下大理岩主破裂的分数维
短句来源
    Geomechanical Model for Fluid Flow in Rock Mass Fractures
    岩体裂隙渗流地质力学模型及应用
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  fractures
The tough fractures on the surface of the PU/PVC composite sample following impact are quite obvious.
      
Stress centralization will, in turn, cause a lot of fractures and faults to develop, and ultimately, result in a gas chimney, which is a seismic smear zone beneath or above the reef flat.
      
A system of two nonlinear equations in partial derivatives, of the hyperbolic type, is obtained for the concentration of one of the liquids in fractures and blocks.
      
The latter problem may be formulated, for example, so as not to permit closure of the fractures in the bottom zone.
      
The equations of horizontal displacement of miscible fluids from thin fractured porous formations are derived with allowance for all three mechanisms of mass transfer between the blocks and the fractures.
      
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Various kinds of acid igneous rocks are found around the Kushan, to theeast of Foochow, Fukien. One earlier variety of the granites, provisionally termedas Kushan Granite, is coarser-grained, often flesh-colored, and biotite-bearing,similar in character to the most frequently seen and widely distributed graniteof whole Fukien; the other, the Kueichi Granite, often intruding into the firstnamed, is colored by different shades of grey, mostly, fine-grained, and mia-rolitie, containing minor amount of hornblende...

Various kinds of acid igneous rocks are found around the Kushan, to theeast of Foochow, Fukien. One earlier variety of the granites, provisionally termedas Kushan Granite, is coarser-grained, often flesh-colored, and biotite-bearing,similar in character to the most frequently seen and widely distributed graniteof whole Fukien; the other, the Kueichi Granite, often intruding into the firstnamed, is colored by different shades of grey, mostly, fine-grained, and mia-rolitie, containing minor amount of hornblende instead of biotite, yet sometimesvarying its texture to felsitic, porphyritic, or even to micro-graphic. In thecourse of weathering, the soils thus formed from these two granites, as well astheir corresponding surface vegetations are also evidently dissimilar. That the Kueichi granite was really intruding into the Kushan is evidencedby its ramifying apophyses in the latter, its broad marginal phase, its miaro- litie cavities elongated and lined parallel to the intrusive contact and the"sericitization front", so to show a convex curvature facing the Kushan Graniteside along their mutual contact. The prevalent strike of the contact of the granites conicides with thefracture and joint systems of the Kushan Granite, one set of which is N65°E,being also parallel to one of the major vertical joints of the Kueichi. This isprobably due to the prolonged fracturing during the formation of Pacificfolding zones of the Chekiang and Fukien coast, rendering the KueichiGranite intruding along the said fracture system yet itself subjected to the samemechanical stress. Rocks correlated to these two granites are found elsewhere in Fukien. Theymay also be comparable to the two granites of Sihwashan, S. Kiangsi, foundby C. S. Mo and his colleagues. The repeated intrusions of the Post-Jurassicgranites may allow to consider the possibility of repeated formations of theirgenetically related ores. The lead-zinc deposits of Yuntai and Lungyai areprobably related to the igneous activity of the Kueichi Granite.

经初步瞭解,福建鼓山分布着两种后侏罗纪花岗岩。这从岩石地面分布上的接触情况与显微镜下观察的岩石中组成成分的接触情况两方面得到证实的。从二者产生状态看来,彼此生成时间甚为接近,而同属於太平洋运动产物,分属早晚期活动。再根据前人各种地质文件,推论出福建各地普遍存在着相当於这两种侵入的花岗岩类岩石。因此,联系到福建后侏罗纪金属矿成矿作用的多次性可能。这在江西西华山已有发现。此后从多次性来研究后侏罗纪的炎成矿床的成矿作用,成为必要了。

On 1932 December 25, a destructive earthquake of magnitude 7.6 occurred in the region of Changma, Kansu corridor. In the meizoseismal area, there appeared a large number of fissures and fractures, consisting of types of tension, compression and shear. In this paper, the authors analyse the forms and conditions of producing different kinds of fractures associated with the characteristics of regional tectonics, and then, propose a tentative pattern of field stress related to the seismogenesis for the...

On 1932 December 25, a destructive earthquake of magnitude 7.6 occurred in the region of Changma, Kansu corridor. In the meizoseismal area, there appeared a large number of fissures and fractures, consisting of types of tension, compression and shear. In this paper, the authors analyse the forms and conditions of producing different kinds of fractures associated with the characteristics of regional tectonics, and then, propose a tentative pattern of field stress related to the seismogenesis for the present earthquake.This seismic event was principally due to the nearly north-south horizontal com-pressional force, which had long been dominating this region since the time of Cretaceous. The new seismic fractural zones appeared nearly coincided with the active area of Changma tectonic faulting. Therefore, it may be concluded that the present earthquake was an episode in the long term of Changma faulting movement.

1932年12月25日,我国甘肃省西部玉门镇以南的昌马地区发生了7.6级地震。震中区产生了规模较大的地面破裂带,其中有张性、压性和剪切等多种型式裂缝。本文根据分析各种自然破坏现象的形成条件,结合极震区地质构造特征,对震源区的应力作用和地震成因提出初步看法。 对地震破裂带的分析结果表明,这次地震起主要作用的是南北向的水平挤压作用,并与自白垩纪以来控制着本区构造断裂的区域应力场是一致的。地震破裂带出现的部位与长期活动的昌马构造断裂带一致。因此,我们认为昌马地震的发生是昌马构造断裂带继承性活动的结果。

In order to facilitate the investigation of plate tectonic on the continent, the writer proposes some principles for references. They are: 1, the juncture between two plates is always represented by a great fault or fracture zone extending for at least several hundreds or usually more than one thousand kilometers long; 2, the sharp diversities of depositional phases and faunas on the adjacent plates; 3, the presence of melanges; 4, the presence of ophiolite zone; 5, the presence of blueschists; 6, the...

In order to facilitate the investigation of plate tectonic on the continent, the writer proposes some principles for references. They are: 1, the juncture between two plates is always represented by a great fault or fracture zone extending for at least several hundreds or usually more than one thousand kilometers long; 2, the sharp diversities of depositional phases and faunas on the adjacent plates; 3, the presence of melanges; 4, the presence of ophiolite zone; 5, the presence of blueschists; 6, the dis-tribution with some regularities of intrusive and extrusive rocks; 7, the distribution of earthquake epicenters; and 8, the unequal polar wanderings of adjacent plates.Judging from the above mentioned principles and examining the geological features of China, we find that, some mountain ranges and territories may be considered as junctures of plate tectonics, those are: 1, the Tsinling structural zone, 2, the eastern coast of Taiwan, 3, the Yalutsangpo Eiver in Tibet, 4, the upper stream of Jinsha River, 5, the Lungmen Mountain and "Kangdian axis" and 6, the northern rim of Chilien Mountain.There are some questions, which need to be further studied. 1, The hypothesis of collision of two continents seems to require certain modifications, because almost all of the subduction zones occur along one or both sides of the geosyncline, and two con-tinents do not come to contact directly with each other. It is fairly the same as along the continental margin, where the oceanic plate moves against the continental plate. 2, Can the ultrabasic rocks intrude into continental crust, or can they only be gene-rated in the mantle? 3, If the ultrabasic rocks appear only in the geosyncline, is it possible to say, that the old massifs, in which ultrabasic rocks are present, such as the Taihwa group of Shensi and the Hwaiyang Shield of Dabie Mountain are geosynclinal metamorphic rocks instead of igneous origin? 4, In northwestern Pacific all of the is-land arcs are with the convex side opposite to the underthrusting plate. Is it possible to be considered as a rule to judge that, which side is the undergoing plate ? It is true, that the subduetion zones on the continent and even along the line between Pacific and South America are not in arc form. 5, According to Dickinson, Mitchell and Eeading there is a gap between the trench and volcanic arcs. In China, so far we know, the intrusive bodies are always directly in contact with the subduction zone, with only the Taiwan Strait as an exception. 6, Sometimes there are granite or granodiorite intrusions to be found behind the subduction zone. Is there another subduction zone behind the former one, or were there igneous activities during the folding of geosyn-cline as indicated .by the classical geotectonic theory ? 7, Except in the eastern provinces of China, where the volcanic rocks are wide-spread, in central and western China very rare volcanic rocks have been found along the margin of overriding plate. Whether the volcanic rocks were eroded away on the magma did not rise to the earth surface at all, is still a question.

为便于在大陆上研究板块构造,作者提出了几项原则,作为参考:1.板块接触带时常表现为一条大断层或断裂带,延伸至少数百公里,经常超过一千公里;2.在两个相邻的板块上,沉积岩相和古生物群有显著的划分;3.有混杂堆积的出现;4.有蛇绿岩带的出现;5.有蓝片岩的出现;6.侵入岩与喷出岩具有规律性的分布;7.地震震中的分布;8.两个相邻板块所指极向的不同移动轨迹. 根据上述原则,结合中国地质情况进行分析,作者认为我国有几条山脉和地区可能是板块构造接触带.这些是:1.秦岭东西构造带,2.台湾省东岸,3.西藏的雅鲁藏布江,4.金沙江上游,5.龙门山及“康滇地轴”,6.祁连山北部边缘. 在工作中也遇到了以下几个有待进一步研究的问题:1.大陆板块对大陆板块互相碰撞的说法,似应作一定的修改.因为几乎所有大陆上的俯冲带都是沿着地槽的一边或两边发生的,而不是两个大陆板块直接相互接触.它和大陆边缘的海洋板块对大陆板块的移动,极为相似。2.超基性岩是否能侵入到大陆地壳,还是只能生成于地幔?3.如果说超基性岩只出现于地槽,则古老地块中有超基性岩出现时,是否可以说,这是以前地槽沉积的变质岩,而不是古老的岩浆岩体,例如秦岭的大华群和大别山的淮阳...

为便于在大陆上研究板块构造,作者提出了几项原则,作为参考:1.板块接触带时常表现为一条大断层或断裂带,延伸至少数百公里,经常超过一千公里;2.在两个相邻的板块上,沉积岩相和古生物群有显著的划分;3.有混杂堆积的出现;4.有蛇绿岩带的出现;5.有蓝片岩的出现;6.侵入岩与喷出岩具有规律性的分布;7.地震震中的分布;8.两个相邻板块所指极向的不同移动轨迹. 根据上述原则,结合中国地质情况进行分析,作者认为我国有几条山脉和地区可能是板块构造接触带.这些是:1.秦岭东西构造带,2.台湾省东岸,3.西藏的雅鲁藏布江,4.金沙江上游,5.龙门山及“康滇地轴”,6.祁连山北部边缘. 在工作中也遇到了以下几个有待进一步研究的问题:1.大陆板块对大陆板块互相碰撞的说法,似应作一定的修改.因为几乎所有大陆上的俯冲带都是沿着地槽的一边或两边发生的,而不是两个大陆板块直接相互接触.它和大陆边缘的海洋板块对大陆板块的移动,极为相似。2.超基性岩是否能侵入到大陆地壳,还是只能生成于地幔?3.如果说超基性岩只出现于地槽,则古老地块中有超基性岩出现时,是否可以说,这是以前地槽沉积的变质岩,而不是古老的岩浆岩体,例如秦岭的大华群和大别山的淮阳地盾等。4.在太平洋西北部的岛弧,都是弧形凸侧向着俯冲带.这是否可以认为是辨

 
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