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salt lagoon
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  “salt lagoon”译为未确定词的双语例句
     The relative abundances of 3-methyl phenanthrene and 2-methyl phenanthrene increase in the hydrocarbon source rock under the salt lagoon environment and the methyl phenanthrene index is on the high side.
     咸水氵舄湖环境下的烃源岩中3-甲基菲和2-甲基菲相对丰度增加,其甲基菲指数也偏大;
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  相似匹配句对
     The Salt on the Table
     Salt与餐桌文化
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     The Donkey and the Salt
     驴子与盐
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     Sunway Lagoon (Malaysia)
     双威娱乐园(马来西亚)
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     foreshore , and lagoon environment.
     并对其沉积环境及演化进行了综合分析。
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  salt lagoon
Two strains were isolated from a salt lake in Saudi Arabia and a salt lagoon in the Mediterranean Sea, respectively.
      


Based on the preserved degree and the characteristics of carbonatic storm deposit and the comparison between sedimentary rocks and the fossils in the Triassic system in the Lower Yangtze Valley and nowadays storm deposit,the author traced the evolution of palaeographic and depositional environments in this area to furnish regular bases for seeking sedimentary mineral deposit.The result of research on marine storm deposit in Qinglong-Jialingjiang formation(about Indian -Anisian Stages) showed that the condition...

Based on the preserved degree and the characteristics of carbonatic storm deposit and the comparison between sedimentary rocks and the fossils in the Triassic system in the Lower Yangtze Valley and nowadays storm deposit,the author traced the evolution of palaeographic and depositional environments in this area to furnish regular bases for seeking sedimentary mineral deposit.The result of research on marine storm deposit in Qinglong-Jialingjiang formation(about Indian -Anisian Stages) showed that the condition preserving storm deposit is gradually worsened as the changes of the country rocks from mudstone-limestone to limestone-dolomite to gypsum -anhydrite.The vicissitudes of the fossils from smooth or lack-decorated streamlined thin-shell animals to decorated thick-shell ones and further to algal stromatolites reflects the evolution of the palaeography from a shallow sea where warm and humid climate controlled mainly by tropic low atmospheric pressure to a tidal beach-salt lagoon where dry and hot climate principally dominated by subtropic high atmospheric pressure.The mineral resources related to the strata in this region are mainly sulfide metallic ore and gypsum and,in addition,oil seepage appears widely.

下扬子区三叠纪海洋风暴沉积与古地理演变钱迈平,郭佩霞地质科学院南京地矿所,南京,210014关键词:风暴沉积,古地理演变,下扬子区,三叠纪.中国东部。PaleogeographicEvolutionandMarineStormDepositsPres...

The characteristics of sequences developed during Triassic in Lower Yangtze area reflect a great change in environment and climate. The change of environment was a transition from marine to continental via a marine-continental alternating environment. The change of climate was a transition from tropic (torrid) to warm and wet through a subtropic dry climate. The type variations of sequences corresponding to the changes of environment and climate were from type II sequence of mixed clastic and carbonate rocks,...

The characteristics of sequences developed during Triassic in Lower Yangtze area reflect a great change in environment and climate. The change of environment was a transition from marine to continental via a marine-continental alternating environment. The change of climate was a transition from tropic (torrid) to warm and wet through a subtropic dry climate. The type variations of sequences corresponding to the changes of environment and climate were from type II sequence of mixed clastic and carbonate rocks, type I sequence of carbonate platform and type I carbonate tidal flat - salt lagoon to type II sequence of lacustrine within marine layers and sequence of lacustrine- swamp. The development, distribution and preservation of those types of sequences reveal the tectonic controls and their changes in the background. Collision between Yangtze Plate and North China Plate was a great geological event in geological history, but the timing of the collision is still disputed. However, the characteristics of Triassic sequence stratigraphy respond to this collision. The collision started at the beginning of middle Triassic and the great regression in the Lower Yangtze area started about 22Ma earlier than that in the world. The tectonic conditions before and during the collision control the sequence development and the type changes.

下扬子区三叠纪层序地层的发育特征反映出巨大的沉积环境改变和气候变迁 ,即从海相环境过渡为海陆交互环境 ,进而转变为陆相环境 ;从热带气候过渡为副热带干旱气候 ,进而转化为温暖潮湿气候。相应的层序类型也由Ⅱ型碎屑岩与碳酸盐混合层序、Ⅰ型台地碳酸盐层序、Ⅰ型碳酸盐潮坪—泻湖层序转变为Ⅱ型海陆过渡湖泊层序和陆相湖沼层序。各种类型层序的发育、分布和保存揭示了背景的构造控制作用与改变。华北板块与扬子板块碰撞是地史上的重大地质事件 ,但在碰撞时间上存在着争议。下扬子区三叠纪层序地层类型转化及其反映出的海平面变化与全球海平面变化的不一致性是扬子板块与华北板快碰撞的响应。碰撞作用开始于中三叠世 ,下扬子区大规模海退比全球性海退提前约 2 2Ma ,碰撞前和碰撞过程中的构造条件控制了层序地层的发育与类型转化

In this paper,the distribution features of methyl phenanthrene from some coals in Jiyang Depression and some hydrocarbon source rocks in Bonan Sag were analyzed.The results show that the sedimentary environment and the biologic source have a great influence on the distribution of methyl phenanthrene.In Bonan Sag,the 9-methyl phenanthrene is more abundant than 1-methyl phenanthrene in the lake facies sediments with lower hydrobios being the dominant species.The relative abundances of 3-methyl phenanthrene and...

In this paper,the distribution features of methyl phenanthrene from some coals in Jiyang Depression and some hydrocarbon source rocks in Bonan Sag were analyzed.The results show that the sedimentary environment and the biologic source have a great influence on the distribution of methyl phenanthrene.In Bonan Sag,the 9-methyl phenanthrene is more abundant than 1-methyl phenanthrene in the lake facies sediments with lower hydrobios being the dominant species.The relative abundances of 3-methyl phenanthrene and 2-methyl phenanthrene increase in the hydrocarbon source rock under the salt lagoon environment and the methyl phenanthrene index is on the high side.But the index is on the low side in the fresh-brackish lake facies sediments.In the coals in Jiyang Depression,the 9-methyl phenanthrene is liable to form in the salty reducing environment with aboundant bacteria and alga,while 1-methyl phenanthrene is more abundant than 9-methyl phenanthrene in the weak oxidizing environment with higher plants being dominant species.The difference causing by biologic source should be considered in utilizing methyl phenanthrene index for evaluating maturity of organics.

通过对渤海湾盆地济阳坳陷部分煤样及渤南洼陷不同沉积环境烃源岩中甲基菲分布特征的分析,认为沉积环境及生源对甲基菲的分布具有较大的影响。渤南洼陷以低等水生生物为主要生源的湖相沉积中,9-甲基菲丰度大于1-甲基菲;咸水氵舄湖环境下的烃源岩中3-甲基菲和2-甲基菲相对丰度增加,其甲基菲指数也偏大;形成于淡水—微咸水湖相沉积环境的烃源岩,甲基菲指数偏低。在半咸水—咸水还原环境的富含菌类和藻类等低等生物的煤中,易于生成9-甲基菲,而在弱氧化—弱还原沉积环境且以高等植物为主要生源的煤中,1-甲基菲较9-甲基菲丰富。利用甲基菲指数评价有机质成熟度时应考虑生源不同所造成的差别。

 
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