洋中脊岩浆房解剖

来源 :地质地球化学 | 被引量 : 0次 | 上传用户:miracle_l
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
根据高级声波层析X射线摄影法(sophisticated acoustic tomographic technique)研究结果、地震测量结果和重力测量结果,剖析了北纬13°附近的东太平洋洋中脊轴向岩浆房的结构。
其他文献
The Lancang River Watershed is one of the most biologically diverse areas in the world. The river flows through Yunnan Province, China, which suffered serious d
Invasion, spread and predominance of alien invasive fishes were studied in 950-km-long stretch of the Yamuna River. The fish yield ranged between 32 t/km/yr to
Humic acid is not a fertilizer as it does not directly provide nutrients to plants, but is a compliment to fertilizer. Nicotinamide (Vitamin pp) is a stress-ass
<正> KU完形填空(共25小题,计分25%) 通读下面短文,掌握其大意,然后从41—65各题所给的四个选项中选出一个最佳答案。
Twenty-three isolates of soft rot bacteria from konjac corms were examined for their diversity using 16S rDNAs and AFLP technology. Both methods clustered two g
Crops are often subjected to iron(Fe)-deficiency due to the limited solubility of this essential element in most neutral or basic soils. Developing cultivars wi
Rare earth elements have been extensively used as micro-fertilizers for crops in China. To?understand the potential benefits or damages of Ce4+ on rice, the eff
约4—1Ma前,在玄武质-安山质火山岩形成之前,沿日本东北地区前缘火山带喷发了大量英安质和流纹质火山碎屑熔岩流。这些岩石通常以斑状结构为主:斑晶占20—40%,斑晶成分为石英,
自20世纪50年代以来,上海一直是我国航空工业的重要基地之一,先后研制成功运10大型远程喷气客机,批量组装MD82喷气干线客机,为国家的民用航空工业发展作出了重要贡献。现今国
以太平洋铁锰结核样品为例,研究了微波辐射对样品各种操作过程的影响。研究表明,在微波辐射的作用下可形成原子团,特别是可引起聚合物分子键的断裂,并使脱水过程和贵金属(特