Results 111 to 120 of about 1,459 (154)

[Research advance of solid-phase microextraction based on covalent organic framework materials]. [PDF]

open access: yesSe Pu
Cheng YC   +8 more
europepmc   +1 more source

河西走廊盐碱地4种典型植被类型土壤理化性质和酶活性特征

open access: yesShuitu Baochi Xuebao
目的探究河西走廊荒漠盐碱地4种植被类型土壤理化性质和酶活性变化及其影响因素,为荒漠盐碱地土壤养分循环和调控机制提供理论依据。方法以河西走廊荒漠盐碱地土壤为研究对象,选取黑果枸杞(Lycium ruthenicum Murr.)单一群落(HH)、黑果枸杞和芦苇(Phragmites australis)群落(HL)、黑果枸杞和骆驼刺(Alhagi camelorum Fisch.)群落(HT)、黑果枸杞和柽柳(Tamarix chinensis Lour.)群落(HC)4种典型植被类型 ...
马大卫   +5 more
doaj  

[Assessment of Dietary Arsenic Exposure Levels and the Associated Health Risks in Chongqing City, China]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Dai X   +11 more
europepmc   +1 more source

[Advances in the development of analysis techniques for organophosphate diesters in water]. [PDF]

open access: yesSe Pu
Chen J   +8 more
europepmc   +1 more source

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