Results 81 to 83 of about 304,092 (83)

[Research progress of molecular imprinting technology in the field of disease diagnosis and therapy]. [PDF]

Se Pu
Zhu R, Cai GP, Zheng HJ, Jia Q.
europepmc   +1 more source

牦牛粪便对川西北高寒草甸土壤养分的影响

, 2009
川西北高寒草甸是我国四大牧区之一,也是"长江上游生态屏障"建设的重要"生态功能区"之一.近年来牦牛粪便被大量出售,显著地改变了生态系统的养分循环.通过模拟牛粪堆积,研究了牦牛粪便养分释放及其对周围土壤养分(NO3--N、NH4+-N、速效K、无机P、有机C、全N和全P)在不同时间和距离条件下的影响.结果表明,在研究区域内,牛粪对草地生态系统具有较强的养分(N、P)贡献能力,据初步统计,其值大致为N素699～932kghm-2,P素为110～147kghm-2;牛粪养分在夏季具有较快的分解速率 ...
刘琳, 吴宁, 罗鹏, 罗光荣, 孙庚, 何奕忻   +5 more
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[Guidelines for diagnosis and treatment of liver failure (2024 version)]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Liver Failure and Artificial Liver Group, Chinese Society of Infectious Diseases, Chinese Medical Association, Severe Liver Disease and Artificial Liver Group, Chinese Society of Hepatology, Chinese Medical Association.   +5 more
europepmc   +1 more source