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major source area
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  主力生烃区
     Besides this, the simulation also indicates that the KelasuYiqikelike anticline belt which has the more ability of hydrocarbon generation compared with the Baicheng depression is the major source area.
     而生气强度以侏罗系湖沼相泥岩和煤岩为最大,三叠系湖相泥岩次之,侏罗系碳质泥岩最小. 此外,模拟结果还表明,克依背斜带是库车盆地的主力生烃区,生烃能力最强,其次为拜城凹陷,生烃能力稍差.
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  “major source area”译为未确定词的双语例句
     For the oldest Mesozoic sediments at the bottom of the Fanghushan Formation (J_1),major source area was composed of the rocks of early Paleozoic and Laliang ages (1700~1900 Ma) from the North China Block.
     在合肥盆地最古老的中生代地层中(防虎山组,J_1),底部的沉积物源区主要为华北陆块早古生代和吕梁期(1700~1900Ma)的岩石。
短句来源
     Influence of Control of Major Source Area of the Coarse Sediment in the Middle Yellow River to Water Resources of the Yellow River
     黄河中游多沙粗沙区治理对黄河水资源的影响
短句来源
     The development characteristics and oi1 gcncration conditions in the Arnan seg arc studied based on tectonic and sedimentary evolution history analysis. The Arnan seg is an inheritable basin in which the Shannan trough is the depositing centre of the lake basin and controls the major source area and the hydrocarbon reservoir distribution.
     从构造、沉积演化史分析了阿南凹陷的发育特点及成油条件,认为阿南凹陷是一个继承性凹陷,其善南洼槽为湖盆的沉积中心,控制了主力生油区和油气藏的展布。
短句来源
     In order to keep the healthy life of the Yellow River, we should reduce the sediment coming from the Loess Plateau especially from 78 600 km~2 major source area of the coarse sediment area flowing into the Yellow River.
     维持黄河健康生命,就必须减少黄土高原特别是7 86万km2多沙粗沙区进入黄河的泥沙。
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  相似匹配句对
     Cereal was the major energy source.
     谷物仍是三地调查对象的主要能量来源。
短句来源
     Discussion on Management of Major Dangerous Source
     关于重大危险源的管理
短句来源
     At the Source of the Yangtse
     在长江的源头
短句来源
     the major patterns;
     校本管理的主要模式;
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     SEP is major.
     SEP异常是判定的主要根据。
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  major source area
Observations of the spatial pattern of sediment yields within the Upper Yangtze basin have suggested the importance of agricultural land as a major source area.
      
Smectite derived mainly from the Sunda shelf and its major source area of the Indonesian islands.
      


The Yellow River is characterised by a high content of fine-grained materials dispersed in the water. There are three processes operating on transport and deposition of the fine sediments, i. e, physical, chemical and biological factors. Current is the most important of the physical processes. A number of currents have been distinguished. Floods can transport most of the sediments from the Loess plateau-the major source area, and form a thin layer of muds which extends laterally to a long distance. Winds...

The Yellow River is characterised by a high content of fine-grained materials dispersed in the water. There are three processes operating on transport and deposition of the fine sediments, i. e, physical, chemical and biological factors. Current is the most important of the physical processes. A number of currents have been distinguished. Floods can transport most of the sediments from the Loess plateau-the major source area, and form a thin layer of muds which extends laterally to a long distance. Winds play an unignorable part by reworking original deposits, making them well-sorted and generating ripples, laminations, rolling and saltating populations, scours, mud-clast microlevee and hard ground. Inverse currents, which flow in opposite directions, are found to work where there is a concave bank or where the channel broadens suddenly. Sedimentary records can also be produced by rip-flow and "alluvial fan flow" which are perpendicular to the channel strike, and by ice in winters. Animals only form burrows, pellets and track ways. But plants (mainly grass) are much more important, because they can (1) block and deposit suspended materials: (2) destroy primary structures and form seatearths; (3) act as nuclei for concretions. This research has provided a comparable model for understanding subsurface hydrocarbon generation, reservoir and sealing in non-marine fine-grained deposits.

黄河以细粒物质含量高为特征.经研究发现,细粒物质搬运和沉积的动力有物理、化学和生物三种.物理作用是最主要的动力,主要表现为河水、潮水、风和柯氏力等过程的作用.主河道中的物理因素最活跃,又可细分为高水位、中等水位、低水位、涨—落水流、浪成水流、反向水流、裂流及“冲积扇”水流等状况.黄河下游河水显微碱性,且富含CaCo_3,故形成同生碳酸盐胶结物和柱状结核.另外,一定量的细粒物质还以胶体的形式搬运、沉积.黄河三角洲上的动物主要形成潜穴、球粒和爬迹等;而植物的作用较为重要,以直接和间接的方式影响细粒物质的沉积.

Luliang uplift zone in an inherited positive tectonic unit from marginal arcalong the north margin of Junggar plate during the Late Paleozoic,which is a long-term trendfor petroleum migration,To the west,Mahu source sag(Permian)is a major source area,Pri-mary Paleozoic volcanic reservoir formed at the close of Triassic, Triassic and Jurassic reser-voirs formed during the late Middle Jurassic to Early Cretaceous, secondary Paleozoic volcanic reservoir formed after the Late Cretaceous period. Volcanic rocks...

Luliang uplift zone in an inherited positive tectonic unit from marginal arcalong the north margin of Junggar plate during the Late Paleozoic,which is a long-term trendfor petroleum migration,To the west,Mahu source sag(Permian)is a major source area,Pri-mary Paleozoic volcanic reservoir formed at the close of Triassic, Triassic and Jurassic reser-voirs formed during the late Middle Jurassic to Early Cretaceous, secondary Paleozoic volcanic reservoir formed after the Late Cretaceous period. Volcanic rocks (particularly daciteand andesite),which have a good reservoir quality,are the major reservoir rock in this area,whereas clastic reservoir is well developed but with poor quality Upper Triassic is the re-gional sealing bed, acting as a barrier for hydrocarbon preservation, The western part ofsouth slope of Luliang uplift should be considered as the important exploration objective inthe future,because it is characterized by approaching source area,good reservoir and sealingconditions,richness in trap type,and high hydrocarbon potential.

陆梁隆起带是在晚古生代准噶尔板块北缘陆缘岛弧背景上发展起来的一个继承性正性构造单元,是油气运移的长期指向,西侧的玛湖二叠系生油凹陷是主要的烃源区。三叠纪末期是古生代火山岩的第一次成藏期,中侏罗世晚期至早白垩世为三叠、侏罗系油气藏成藏期,晚白垩世后是古生代火山岩的第二次成藏期。火山岩,尤其是钙碱系列的英安岩、安山岩,储层物性好。是本区的主要储集区;碎屑岩储层虽很发育,但普遍物性差。上三叠统是区域性油气盖层,对该区油气保存起着重要作用。陆-梁隆起南斜坡西段,紧临油源区,储盖条件好,圈闭类型多,含油气远景好,应作为今后重要的钻探地区。

The development characteristics and oi1 gcncration conditions in the Arnan seg arc studied based on tectonic and sedimentary evolution history analysis. The Arnan seg is an inheritable basin in which the Shannan trough is the depositing centre of the lake basin and controls the major source area and the hydrocarbon reservoir distribution.The exploration direction is pointed out after analyzing the regular pattern of hydrocarbon enrichment in the seg.

从构造、沉积演化史分析了阿南凹陷的发育特点及成油条件,认为阿南凹陷是一个继承性凹陷,其善南洼槽为湖盆的沉积中心,控制了主力生油区和油气藏的展布。在分析了凹陷的油气富集规律后指出了下步油气勘探方向。

 
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