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中国第四纪
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  quaternary research
     RECENT PROGRESS OF QUATERNARY RESEARCH OF CHINA AND GLOBAL CHANGES
     近年来中国第四纪研究与全球变化
短句来源
     The Chinese Quaternary Research Committee was established 50 years ago,and over the years its approach and goals have changed into a new epoch.
     中国第四纪研究委员会成立50年来,第四纪科学已进于一个新的后第四纪研究时代了。
短句来源
     ESTABLISHING STRATIGRAPHICAL SUBCOMMITTEE OF QUATERNARY RESEARCH COMMITTEE OF CHINA
     中国第四纪研究委员会地层分委员会成立
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     Recent and future hypotheses about global change will undoubtedly provide a new direction for Quaternary Research through the world.
     当前中国第四纪研究的许多关于全球变化问题的科学假说,将开辟一个第四纪研究的新时代。
短句来源
     HOU DEFENG:A PIONEER OF QUATERNARY RESEARCH IN CHINA
     侯德封——新中国第四纪科学研究的创始人、倡导者和支持者
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  china quaternary
     “CHINA QUATERNARY POLLEN DATABASE” (CPD) AND “BIOME 6000” PROJECT
     中国第四纪孢粉数据库(CPD)和生物群区(Biome 6000)
短句来源
     ANNOURCEMENT OF THE OPENING OF ACADENIC DISCUSSION OF CHINA QUATERNARY GEOLOGY
     关于召开“中国第四纪地质学术研讨会”的通知
短句来源
     The "China Quaternary Pollen Database"(CPD) was developed over a 50 year period. Using these pollen data from CPD, biome simulation and reconstruction of modern (0 kaBP), Middle Holocene (6 kaBP) and the last Glacial Maximum (18 kaBP) have been carried out systemically, while pollen_climate transfer function and pollen_climate response surface have also been established.
     中国第四纪孢粉数据库的建立 ,汇集了我国近半个世纪积累的孢粉资料 ,并利用中国第四纪孢粉数据 ,系统开展了中国现代表土孢粉、6kaBP(中全新世 )及 1 8kaBP(末次盛冰期 )的生物群区模拟及重建 ,建立了花粉 气候转换函数和响应面模型 ,并取得了良好的结果 ;
短句来源
  “中国第四纪”译为未确定词的双语例句
     QUATERNARY GLACIATIONS IN CHINA
     中国第四纪冰期
短句来源
     TECTONIC EVENT AND STRESS FIELD OF QUATERNARY IN CHINA
     中国第四纪的构造事件与应力场
短句来源
     Two great events of environment and culture in Late Quaternary,China
     中国第四纪晚期环境与文化两大事件
短句来源
     A DISCUSSION OF THE RELATIONSHIP BETWEEN QUATERNARY GLACIATIONS AND STRATIGRAPHIES IN CHINA
     中国第四纪冰期与第四纪地层关系的探讨
短句来源
     PRELIMINARY STUDY ON THE QUATERNARY MAGNETIC STRATIGRAPHY OF CHINA
     中国第四纪磁性地层的初步研究
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  quaternary research
A paper on this work appeared in the May 2003 issue of Quaternary Research.
      
As a result of these attributes, Quaternary research within the humid tropics region has rapidly become more intensive and diversified.
      
Eric suggested a model like the UK's Quaternary Research Association.
      
Emphasis is placed on non-marine ostracods and their application to Quaternary research.
      
He is the current president of the Subcommission on Continental Shelves, International Union for Quaternary Research.
      
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This thesis gives a generalization of the recent results of the volcanological researches of our country. Firstly, it talks about the volcano territories of our country, which are divided into seven regions, namely, the Northeast China, the North China, the East China, Taiwan, Hainan Island and Leizhou peninsula, the Western Yunnan, and the Qinzhang, with an explanatory description of the volcanic landforms, the relation of the volcano-distribution-form to the lines of structures, the ejecta and its characteristics,...

This thesis gives a generalization of the recent results of the volcanological researches of our country. Firstly, it talks about the volcano territories of our country, which are divided into seven regions, namely, the Northeast China, the North China, the East China, Taiwan, Hainan Island and Leizhou peninsula, the Western Yunnan, and the Qinzhang, with an explanatory description of the volcanic landforms, the relation of the volcano-distribution-form to the lines of structures, the ejecta and its characteristics, and the age of each eruption in each region. Secondly, the six major features of volcanism in our country have been pointed out here:(1) The quarternary volcanisities are largely on the margin of the China platform.(2) The volcanism tends gradually to become quiet since Holocene, with the age younger in the east than that in the west.(3) With the time lasting, the eruption would begin in f issural type and end in central type.(4) The amount of the eruption material has been decreasing. And the most of it is of the Alkali Series and its alkalinity increases gradually toward Asia Continent.(5) The majority of eruption are continental facies.(6) The number of the quarternary volcanoes in China is very big and the types are full, but most of volcanoes are low and extinctive.The mechanism of the quarternary volcanoes in China is probably caused by the boundary impacts of the four large plates, the Pacifc Ocean, the Europe-Asia, the Indian and the Qinzhang massive.

本文概括了近年来有关我国火山研究的成果.首先将我国境内的火山分为东北、华北、华东、台湾、琼雷、滇西和青藏七个火山区,并分别对各火山区的火山地貌、分布格局与构造线的关系、喷发物质与性质以及喷发年代,有解释地加以叙述.其次指出了我国火山活动的六大特点,即(1)中国第四纪火山活动主要位于中国地台的边缘;(2)火山活动进入全新世后渐趋宁静,活动时代东方较西方新;(3)喷发类型常以裂隙式开始,中心式结束;(4)喷出物质的数量随时间的推移而减小,岩性属碱性系列,向大陆内部碱性有增强的趋势,(5)喷发以陆相为主;(6)全国火山数目多、类型齐全,但多为低矮的死火山.火山活动的机制可归因于太平洋、亚欧、印度、青藏四个板块在接触带的相互碰撞.

Glaciological research has been going on in China for more than half century. The pioneer work of professor Li Siguang (J.S. Lee)in the Datong Basin, northern Shanxi, and at the eastern foot of Taihang Range brought limelight on the Quaternary research in China. Since the establishment of the People's Republic of China, extensive geological and geographic work has been carried on throughout whole country. In many places has been amassed large amount of evidences for Quaternary ice-action, such as glacial erratics,...

Glaciological research has been going on in China for more than half century. The pioneer work of professor Li Siguang (J.S. Lee)in the Datong Basin, northern Shanxi, and at the eastern foot of Taihang Range brought limelight on the Quaternary research in China. Since the establishment of the People's Republic of China, extensive geological and geographic work has been carried on throughout whole country. In many places has been amassed large amount of evidences for Quaternary ice-action, such as glacial erratics, glacial pavements and glacial striations on bed rocks, glacial tectonics, moraines, fluvio-glacial deposits, periglacial phenomena, glacial landforms and the relics of plants and animals in cold climate. It is found so far that only valley and piedmont glaciers occured in China in the Great Ice Age, except in the Large and Small Xingan Ranges and the Qinghai-Xizang (Tibet)Plateau. According to the relics of Quaternary glaciation in different localities, five sub-glaciations and one cold period can be recognized. The evidence for division of sub-glaciations mainly depends on the characteristics of the glacial deposits and their stratigraphic horizons, the occurring order of ice sculptural landforms and the mutural relations of their joining. The Lushan Mt. in the lower Yangtze valley might be the first place of dividing into sub-glaciations. Subsequent divisions were carried on in the eastern foot of Taihang Range, the northwestern Sichuan, the Yunnan-Guizhou-Sichuan borders etc. The correlation of several sub-glaciations with those of different regions is only tentatively offered in the interest of further research. The final issue can only be settled by more extensive observation, wide collection, detailed detection and regorous comparison.

本文举例概述中国第四纪冰川流行之证据,包括漂砾、冰溜面及冰川刮痕、表皮构造、冰碛和冰水堆积、冰期时期冰川条痕砾和冰蚀地形等以及动植物遗迹。关于亚冰期之划分及其依据,有的地区亚冰期划分次数最多者可有五、六次。主要依据是:冰碛、冰水沉积特征与其所在地层层位以及新、老冰川地貌的叠加与其干扰现象。

The Late Tertiary and Quaternary palaeoclimates have been reconstructed and compared. In this paper we have also discussed the striking differences between them and the mechanism which caused a larger range of climatic changes in the Quaternary. The late cenozoic tectonic movement caused great environmental changes in China. The uplifting of Qinghai-Xizang (Tibetan) Plateau is the most important event. The uplifting began in Late Tertiary and proceeded violently in Middle Pleistocene with sequences of phased...

The Late Tertiary and Quaternary palaeoclimates have been reconstructed and compared. In this paper we have also discussed the striking differences between them and the mechanism which caused a larger range of climatic changes in the Quaternary. The late cenozoic tectonic movement caused great environmental changes in China. The uplifting of Qinghai-Xizang (Tibetan) Plateau is the most important event. The uplifting began in Late Tertiary and proceeded violently in Middle Pleistocene with sequences of phased uplifts continuing up to the present day. Many of the present plateaux and high mountains in Northwest and Southwest China have been uplifted and consequently the configuration of the major relief of China being formed. The upheaval of so vast an area as Qinghai-Xizang Plateau is the main cause for the touching off of monsoon circulation and caused a far-reaching effect on climatic environments of China and its adjecent areas. During the Quaternary the plateau has been uplifted from 1,000 to 4,000—4,500m, with more vigorous speed of uplifting since the Middle Pleistocene (around 0.9 Ma B. P.). Evidences from different lines of research have shown that a considerable shifting of the climatic belts have taken place since the Middle Pleistocene. The feedback processes of uplifting of the Qinghai-Xizang Plateau and the strengthening of monsoon circulation have been the main causal mechanism for larger range of Quaternary climate variations in China.

作者在重建晚第三纪和第四纪古气候环境的基础上,着重讨论了晚第三纪和第四纪古气候之间的显著差异以及引起中国第四纪自然环境大幅度变迁的主要原因机制。中国新生代晚期构造运动导致自然环境的巨大变迁,其中青藏高原隆起的影响尤为突出。作者认为,青藏高原隆起及其反馈作用、季风环流的加强以及全球气候变化的影响,协同成为中国第四纪气候大幅度变化的主要原因,当然也是新生代晚期以来,尤其是中更新世以来中国自然环境变迁的主要原因机制。

 
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