Results 61 to 70 of about 2,587 (106)

3年氮添加对高寒湿地草甸土壤可溶性氮组分的影响

open access: yesShuitu Baochi Xuebao
目的为探究在全球长期氮沉降的背景下,高寒湿地草甸土壤可溶性氮组分的变化规律。方法选取青藏高原东北缘尕海湿地草甸土壤为研究对象,3年氮添加处理试验平台[CK(未添加氮)、N1(4.14 g NH4 NO3)、N2(6.12 g NH4 NO3)],研究土壤可溶性氮组分对氮添加的响应特征。结果1)与CK相比,N1处理显著提高土壤硝态氮(NO3--N)的质量分数(15.76%),N2处理显著提高土壤铵态氮(NH4+-N)的质量分数(19.19%)(p<0.05)。2 ...
李淑卓   +4 more
doaj  

[Medical treatment standards for emergency burn wounded (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
National Health Commission Of The People's Republic Of China.
europepmc   +1 more source

[Research progress on the causes of pain in knee osteoarthritis]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wei N, Zheng Z.
europepmc   +1 more source

[Research progress on animal models relevant to porto-sinusoidal vascular disease]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Li M, Wang JZ, Liu CH.
europepmc   +1 more source

Home - About - Disclaimer - Privacy