>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-15 共查到知识库 deposit相关记录90条 . 查询时间(0.186 秒)
The Yangbishan iron–tungsten deposit in the Shuangyashan area of Heilongjiang Province is located in the center of the Jiamusi Massif in northeastern China. The rare earth element and trace element co...
The Mianning–Dechang (MD) rare earth element (REE) belt, located in the northern Kangdian axis (KDA) in the western margin of the Yangtze platform, is one of the most economically significant REE mine...
Dunite and serpentinized harzburgite in the Cheshmeh-Bid area, northwest of the Neyriz ophiolite in Iran, host podiform chromitite that occur as schlieren-type, tabular and aligned massive lenses of v...
The Jiama deposit is a large copper deposit in Tibet. Mineralization occurs in three different host rocks: skarn, hornfels and porphyry. A detailed fluid inclusion study was conducted for veins in the...
Of the emerging man-made risks affecting U.S. national security, cyber threats have enjoyed the most attention and resources from national security leaders and policymakers. And yet, cyber threats rem...
The Dajing deposit is a large-scale vein-type polymetallic Sn deposit in the southern Great Xing’an Range of Northeast China. This study presents new geochronological and geochemical data for subvolc...
An active research trend is to exploit the consensus mechanism of cryptocurrencies to secure the execution of distributed applications. In particular, some recent works have proposed fair lotteries wh...
The formation of lake terrace and salar-type lake-bed borate deposit at Nie`er Co Lake (hereafter Nie`er Co), northwestern Tibet, remain debated. We performed a detailed study of the hydrogeochemistr...
Uranium deposit has a very important status in our national defiance and economy qua a kind of strategic mineral resources. It is the main work for the department of scientific research and yields sur...
The episodic nature of sedimentation on continental shelves is now widely accepted. Insight obtained in subdisciplines ranging from physical oceanography to seismology suggests that short duration, la...
The main focus of Philippe Weil’s paper is on the new U.S. budgetary treatment of direct loans and loan guarantees that began with the Credit Reform Act (CRA) of 1990. W er ‘1’ s analysis raises fun...
The Zarshuran gold deposit in NW Iran is an area of historic mining for gold and arsenic with considerable potential for discovery of economic gold mineralisation. Geological, geochemical and geophysi...
The Yangla copper deposit is located in western Yunnan Province, China, with an estimated Cu reserve of approximately 1.2 million tons. It is a typical giant copper deposit, and its mining started on...
This work studies the amount of gaseous and particle emissions and deposits on heat exchanger surfaces in a boiler fired with commercially available pellets and with pellets primed with magnesium oxid...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...