中国科学院机构知识库网格系统: 检索

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	Mixing ratio and carbon isotopic composition investigation of atmospheric CO2 in Beijing, China SCI/SSCI论文 OAI收割 2016 作者: Pang J. P.; Wen, X. F.; Sun, X. M. \| 收藏 \| 浏览/下载：19/0 \| 提交时间：2017/11/09 Isotope ratio infrared spectroscopy (IRIS) delta C-13 Keeling plot Atmospheric CO2 source water-vapor urban atmosphere stable-isotopes delta-c-13 dioxide spectrometer spectroscopy city precipitation pollutants
	Responses of absolute and specific soil enzyme activities to long term additions of organic and mineral fertilizer SCI/SSCI论文 OAI收割 2015 作者: Zhang X. Y.; Dong, W. Y.; Dai, X. Q.; Schaeffer, S.; Yang, F. T. 收藏 \| 浏览/下载：20/0 \| 提交时间：2015/12/09 Swine manure Mineral fertilizer Soil enzyme activity Soil microbial community structure Paddy soil microbial community composition particle-size fractions solid-waste compost paddy soils phosphatase-activities subtropical china biomass-c nitrogen phosphorus management
	How can Populus euphratica cope with extremely dry growth conditions at 2,800 m a.s.l. on the northern Tibetan Plateau? SCI/SSCI论文 OAI收割 2013 Liang E. Y.; Ren P.; Zhang S. B.; Shao X. M.; Eckstein D. 收藏 \| 浏览/下载：16/0 \| 提交时间：2014/12/24 Populus euphratica Tree ring Climate/growth relationships Highest distribution Desert Northern Tibetan Plateau tree-rings precipitation variation snowmelt runoff radial growth river-basin china climate perspectives temperature qinghai