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tectonic episodes
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  构造期次
     Tectonic episodes and reservoir fissure systems in Caotai metamorphic buried hill reservoir
     曹台变质岩潜山裂缝系统形成的构造期次
短句来源
  构造幕
     The Himalayan in the central western part of Yunnan can be divided into 4 tectonic episodes. The magmatic intrusion of them indicates 2 thermal cycles and the high tide of volcanic eruption takes place after the magmatic intrusion.
     云南中西部喜马拉雅期分为 4个构造幕 ,其岩浆侵入活动反映两个热旋回 ,当岩浆侵入活动结束后才出现火山喷发高潮。
短句来源
     The mechanisms of episodic reservoiring mainly include tectonic episodes (or tectonic pumping), valve effect of fault (or seismic pumping) and overpressure buildup effect.
     幕式成藏的机理主要有构造幕和构造泵作用、断层阀效应或地震泵作用以及超压积聚效应等3种作用。
短句来源
     The important variations occurred in depocenters of different tectonic episodes.
     沉积中心在不同构造幕发生了明显的变化。
短句来源
  “tectonic episodes”译为未确定词的双语例句
     e. ,155~189 Ma and 189~243 Ma,which are consistent with two tectonic episodes from apatite fissiontrack ages(62~100 Ma and 100~160 Ma).
     这与磷灰石裂变径迹年龄反映的62~100Ma 和100~160Ma 两个构造期完全一致。
     It is shown that the durations of the early and the late tectonic episodes are 54~60 Maand 34~38 Ma respectively,with the intervals between the early and the late tectonic episodes changing from 83~89 Ma at the earlystage to 89~93 Ma at the late stage.
     早期和晚期构造活动期持续的时间分别为54~60Ma 和34~38Ma,而这两个构造期之间的间隔时间,则从早到晚由83~89Ma 变为89~93Ma。
     ESTIMATING TIMES OF QUATERNARY TECTONIC EPISODES IN THE BOHAI SEA BASED ON GEOMORPHIC FEATURES OF SURROUNDING MOUNTAINOUS AREAS
     根据周围山地第四纪地貌特征估计渤海第四纪构造活动幕的发生时间
短句来源
     The wave-generating time at the Himalayan driving boundary is about 1.34~4.66Ma BP for the "slow-waves", corresponding to the stage from Mid Pliocene to Mid Early-Pleistocene and being identical with one of the major tectonic episodes of the Himalayan tectonic movement.
     “慢波”的边界起波时间距今约 1.34~ 4 .6 6Ma ,相当于上新世中期至早更新世中期 ,与喜马拉雅构造运动的主要活跃期 (幕 )之一相吻合。
短句来源
     Totally 19 zircon fission track ages were obtained. These ages range from 155 Ma to 243 Ma and can obviously divided into two tectonic episodes, i.e., 155-189 Ma and 189-243 Ma, which are consistent with two tectonic episodes from apatite fission track ages (62-100 Ma and 100-160 Ma).
     在新疆阿尔泰造山带所获得的19个锆石裂变径迹年龄变化于155~243 Ma之间,明显地分为2组,分别对应于2个构造活动期,早期为155~189 Ma,晚期为189~243 Ma。
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  相似匹配句对
     The important variations occurred in depocenters of different tectonic episodes.
     沉积中心在不同构造幕发生了明显的变化。
短句来源
     Archean Rock Assemblages,Episodes and Tectonic Evolution of China
     中国太古宙地质体组成、阶段划分和演化
短句来源
     Tectonic in Architecture
     论建筑中的结构造型
短句来源
     ON TECTONIC SYSTEMS
     论构造体系
短句来源
     a) episodes.
     a)事件有使低频振荡周期缩短(延长)的趋势。
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  tectonic episodes
The rodingite blackwall can be useful as tracer of the metamorphic and tectonic episodes obscured during complex geological evolution of the ophiolite.
      
The spatial patterns in the rock distributions of these units are shown to be homologous, thus supporting the hypothesis that both sequences derive from the same tectonic episodes.
      
Rb-Sr ages of the caldera outflow facies indicate that caldera formation occurred in two volcano-tectonic episodes.
      
The Guatemalan Trench segment parallels structures that probably formed during ancient tectonic episodes.
      
Models are thus most applicable to oceanic or young continental regions, where past tectonic episodes may be less important for seismic anisotropy.
      


Repeated subduction of SN ocean crust under the North China continental crust and encroachment of sea water, and frequent rise and fall of the continental crust and alternate emergence of land and sea that created a swampy environment from early Paleozoic to late Permian contributed to the formation of conditions favo- urable for coalification. The difference of the magnitude of uplifting and subsi- dence between the southern and northern parts of North China and the ultimate downsinking of its central part...

Repeated subduction of SN ocean crust under the North China continental crust and encroachment of sea water, and frequent rise and fall of the continental crust and alternate emergence of land and sea that created a swampy environment from early Paleozoic to late Permian contributed to the formation of conditions favo- urable for coalification. The difference of the magnitude of uplifting and subsi- dence between the southern and northern parts of North China and the ultimate downsinking of its central part laid the foundation of a depositional center in C- entral North China during the middle and early Triassic. It is pointed out that while they had undergone different process of develop- ment, the geologic structures of middle and lower Triassic owed their character to events occurring during the Carboniferous and Permian periods. The coal gas of Carboniferous and Permian periods was closely related to the Triassic B- asin because the katogenic metamorphism of coal beds was largely completed by theend of Triassic. But, subsequent tectonic episodes occurring in the Triassic Bssin brought about many changes in its geologic features. All these must be taken into account in the study and exploration for coal gas. It is believedthat the most promising area for coal gas exploration is in the south of the Longhai railway where the thickness of coal measure approaches 1,000 meters.

华北地区从早古生代时期至晚二迭世末期,经受几次南北向洋壳对华北陆壳的俯冲消减以及海水侵入,陆壳抬升与沉降频繁,海陆交替频繁,多次出现沼泽环境,给成煤造成有利条件。华北的南部及北部抬升与沉降的幅度不完全一致,但最终是南北部隆起,中部下沉,因此,华北中部是中下三迭统的沉积中心。中、下三迭统与石炭二迭系在发育史上既有不同点,又有明显的继承性。石炭二迭系煤成气之所以与大型三迭系盆地有密切相关,是因为煤层之一次深成变质主要完成于三迭纪末,但三迭系盆地在燕山期及喜山期又遭到了许多新的构造运动的影响,产生了许多新特点,已不是原来的盆地面貌,对煤成气进行勘探与研究中,对所有构造运动的影响均应加以考虑。在华北地区一般认为找气最有希望的地区是陇海线以南的南华北,该区煤系地层(太原组-上石盒子组)发育,厚度近千米,煤层累厚10-50米,成气物质雄厚,而北华北煤系地层(本溪组-山西组)厚度不足300米,煤层累厚5~25米,成气物质基础不如南华北煤系地层。

In the light of the viewpoint of the control of tectonic formational inhomoge-neity on deformational inhomogeneity in the same tectonic episode, three phases ofdeformation can be recognized in the shear--compression episode of the Jinning cyclein western Sichuan and eastern Yunnan, each of which was accompanied by magma-tism and metamorphism. The first phase of deformation (ca. 1050 Ma B. P.) wascharacterized by broad upheaval of the original Huili geosynclinal sedimentaryregion, which brought...

In the light of the viewpoint of the control of tectonic formational inhomoge-neity on deformational inhomogeneity in the same tectonic episode, three phases ofdeformation can be recognized in the shear--compression episode of the Jinning cyclein western Sichuan and eastern Yunnan, each of which was accompanied by magma-tism and metamorphism. The first phase of deformation (ca. 1050 Ma B. P.) wascharacterized by broad upheaval of the original Huili geosynclinal sedimentaryregion, which brought about transformation of the original Atlantic-type continentalmargins into the compressive Pacific--type ones. The second episode of deformation(ca. 900 Ma B. P.) was manifested by intense folding and orogeny, which gave riseto the gigantic E-W-trending structural belt in the basement, accompanied by upliftof folded mountains and subsidence of the residual oceanic basin in the E-W-trendingstructural belts. The third phass of deformation (ca. 800 Ma B. P.)was characterizedby folding and faulting. The above--mentioned residual oceanic basin closed in thisphase of deformation, forming N-S-trending folds. This E-W compressive tectonicstress field resulted from collision between the continental block and the adjacentoceanic basin, which finally led to the formation of the unified basement of theYangtze fault block. During the collision, the N-S-trending overthrusting occurred.Owing to slipping of the cover strata caused by reactivation of the basement frac-tures, the first type of arcuate structure (epsilon-shaped structure) formed. Theremight exist a local tensional stress field in the regional compreessive stress fieldproduced by the collision, which resulted in the further development of the Suxiongaulacogen into a graben.

川西滇东地区的晋宁旋回剪切-挤压幕可分为三期形变,第Ⅰ期形变(距今约1050Ma)为隆起,使原大西洋型大陆边缘转变为天宝山组沉积时的太平洋型大陆边缘;第Ⅱ期形变(距今约900Ma)为主褶皱幕,形成了扬子断块基底中的东西向褶皱带;第Ⅲ期形变(距今约800Ma)使残留海盆闭合,形成南北向褶皱,伴有南北向断裂的逆冲活动。基于此重塑了川西滇东地区这一时期的大地构造演化,认为构造发育的不均一性是为同期建造的不均一性决定的。

This paper outlines the meaning of tectonic migration theory and its distinction from the concept of tectoic migration by our predecessors, and briefly discussed the theoretical basis of the tectonic migration theory, and its research content, method and application in geology.The theory of tectonic migration takes tectonization as its object of investigation and establishes a dynamic and regular ordinal concept for the kinematic-hydrodynamics with relation to the tectonization of different tectonic episodes....

This paper outlines the meaning of tectonic migration theory and its distinction from the concept of tectoic migration by our predecessors, and briefly discussed the theoretical basis of the tectonic migration theory, and its research content, method and application in geology.The theory of tectonic migration takes tectonization as its object of investigation and establishes a dynamic and regular ordinal concept for the kinematic-hydrodynamics with relation to the tectonization of different tectonic episodes. The purpose of this theory lies in finding the locus of tectonization, exploring the law of tectonic migration, dividing the domains of tectonic migration, seeking the basic directions of tectonic migration on the global scale, inquiring the mechanism of geodynamics and thermodynamics for the tectonic migration, building the basis point-line-plane evolution model for the lithospheric splitting and closing, as applying this theory in various geological prognoses, especially in prospecting prognoses, and opening up a new domain and contents for geological sciences.The concept of tectonic migration was advanced by Jiang Chunfa (Geo-tectonic fundamental feature of China, 1960), was briefly mentioned in 1962 (reference 1), and was further expounded in 1980(reference 2). The concept of tectonic migration was gradually systematized with uninterrupted accumulation of the material, and successively developed and became the embryo of the tectonic migration theory.The view point of tectonic migration was publicised in some geological surveys, colleges, geological units and study classes, attracting geologists interest. Some geologists, including authors of 《RIGIONAL GEOLOGY》of some provinces (regions), quoted the theory to discuss the problems of tectonic-migration in some regions and some subjects (references 3-16). This paper only gives an outline of the tectonic migration theory in order to make public and academic exchanges.

本文概述了构造迁移的涵义、与前人迁移概念的区别、构造迁移论的理论基础、研究内容、研究方法和在地质学中的应用。 构造迁移论是以构造运动为研究对象,它将不同期次的构造运动联系起来,建立有序的、动态的运动流的概念。目的在于查明运动轨迹,发掘迁移规律,划分迁移区,寻找全球基本迁移方向,探讨产生构造迁移的地球动力学和热力学机制,建立岩石圈点线面开合演化基本模式,应用迁移规律进行各种地质预测,特别是找矿区预测,开拓地质研究新领域,为地球科学增添新内容。

 
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