[Determination of 14 aniline and benzidine compounds in soil by gas chromatography-mass spectrometry]. [PDF]
Wu L +5 more
europepmc +1 more source
以河南省粮食主产区壤质潮土和砂土为研究对象,通过盆栽试验和室内恒温培养试验,研究了生物炭与不同腐殖化程度的传统有机物料(秸秆和腐熟鸡粪)单施及配施对壤质潮土和砂土有机碳储量、活性及碳库管理指数的影响,并进一步比较了小麦秸秆直接还田和制炭还田对土壤有机碳矿化的影响,以及生物炭对土壤原有有机碳矿化的调控作用。结果表明:相同添加量下,生物炭对土壤有机碳含量的提升效果优于秸秆和腐熟鸡粪,在壤质潮土和砂土上分别较对照提升了63.15%和115.62%。另外,生物炭显著增加了土壤稳态碳含量和土壤碳库指数(CPI ...
张影 +5 more
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为阐明喀斯特小流域土壤有机碳密度分布特征及有机碳储量空间分布格局,采用野外布点采样、实验室测定和地统计学分析相结合的方法,利用2 755个详细调查的剖面样地和23 536个土壤样品,定量研究了喀斯特小流域土壤有机碳密度、碳储量的空间异质性及分布特征。结果表明:后寨河小流域表层(0—20 cm)土壤有机碳含量和密度的平均值为分别为25.07 g/kg和5.23 kg/m2,剖面土壤(0—100 cm)土壤有机碳含量和有机碳密度分别为20.71 g/kg和10.21 kg/m2 ...
张珍明, 周运超, 黄先飞, 田
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[Experimental curriculum design for undergraduates based on the improvement of scientific research abilities: taking determination of pyrimidine fungicides in soil by QuEChERS-gas chromatography-mass spectrometry as an example]. [PDF]
Lyu F, Shan X, Zhao R, Zheng W.
europepmc +1 more source
[Determination of 26 herbicide residues in soil, sediment, and surface water samples using modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc +1 more source
[Preface for Special Issue on Advanced Molecular Imprinting Technology and its Cutting-Edge Applications]. [PDF]
Jia Q, Yang KG.
europepmc +1 more source
[Determination of 22 organophosphates and their metabolites and 11 phthalate metabolites in human whole blood by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Shi FY, Xu HY, Li JH, Xu MY.
europepmc +1 more source
[Determination of seven tire antioxidants and their quinone oxidation products in fine particulate matter by high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Liu F +5 more
europepmc +1 more source
[Effects of lunar soil simulant and Earth soil on lung injury in mice]. [PDF]
Gong X +8 more
europepmc +1 more source
目的研究大兴安岭不同林下植被兴安落叶松林土壤活性有机碳组分特征,为大兴安岭地区森林土壤活性有机碳及其稳定性研究提供科学依据。方法以4种林下植被兴安落叶松林(兴安杜鹃-兴安落叶松林(Rhododendron dauricum-Larix gmelinii forest,简称DJL)、杜香-兴安落叶松林(Ledum palustre-Larix. gmelinii forest,简称DXL)、苔草-兴安落叶松林(Carex tristachya-Larix gmelinii forest,简称TCL)和苔藓-
曾晨阳, 满秀玲, 蔡体久
doaj

