【摘 要】
:
A field survey of soils and herbaceous species growing in the Lanping Pb/Zn mining area in Yunnan Province, China, was conducted. Two major mining areas, Jiayas
【出 处】
:
Chinese Journal of Geochemistry
论文部分内容阅读
A field survey of soils and herbaceous species growing in the Lanping Pb/Zn mining area in Yunnan Province, China, was conducted. Two major mining areas, Jiayashan and Beichang, were selected to investigate soil properties, herbaceous distribution and hea
A field survey of soils and herbaceous species growing in the Lanping Pb / Zn mining area in Yunnan Province, China, was conducted. Two major mining areas, Jiayashan and Beichang, were selected to investigate soil properties, herbaceous distribution and hea
其他文献
1998年底,云南省山区GFRP水窖及PEX管道节水灌溉技术示范点,德钦县云岭乡补村社千亩旱荒地改水浇地项目,在云南省农业厅、迪庆州农牧局的大力支持和帮助下,工程顺利完成,经过一个冬季的考验,实
Although numerous papers have been published on nutrients in Great Lakes, estuaries, continental shelf areas and marines in the aspects of determination, sedime
在80年代,我国大力发展职业教育时,许多职业高中的应运而生。现有的职业高中已从当初的简单办学向精品校方向发展,但到此仍没有走出的困境,我认为存在如下困难与问题。
In t
我国新疆乌恰县曾多次遭受地震袭击,旧域屡毁屡建,1985年再次遭到重创。通过地震安全性评价,发现乌恰旧城是建在松软的古河床上,于是,将县城迁至距原址5千米外重建。在1996年
Since 2002, a significant increase in seismicity, obvious ground deformation and geochemical anomalies have been observed in the Changbaishan Tianchi volcanic a
本刊讯由鲁布革水电科技实业公司牵头、昆明水电设计研究院的工程师们参与的研究项目《三峡工程水轮发电机组冷却水供水方式(顶盖取水方案)调查研究》于1999年9月15日在昆明通
A three-dimensional mathematical model for calculating the steady flow of circular non-buoyant turbulent surface in a coflowing channel is presented in this pa
The transport and transformation of fluoride in sand were studied by using soil tank test under the condition of saturated water in this article. Based on the a
目前国际上自然保护地的资金投入规模远远低于实际需求,未来融资机制需要创新,包括吸引和利用外部资金、鼓励自行经营创收、基于保护地产品或服务的市场交易收费等,其中鼓励
引言学术研究需要科学方法的指引,翻译研究也不例外。可惜的是,中国传统的翻译研究大多偏重文献总结,而忽视研究方法的应用,常常流于重思辨、轻实证的积弊。汪丁丁(2008:13)