Results 71 to 80 of about 713 (121)

[Research progress on interference in the identification of accelerants in a fire scene]. [PDF]

Se Pu, 2022
Yin G, Qian P, Liqiu F, Jin J, Liu L, Zhang J.   +5 more
europepmc   +1 more source

典型水蚀区坡耕地黑土质量的空间分异特征及影响因素

Shuitu Baochi Xuebao
[目的] 为明确侵蚀—沉积在黑土坡耕地土壤质量空间分异格局中的塑造作用。[方法] 以东北典型水蚀区坡耕地为研究对象,利用110个样点的土壤属性,采用基于最小数据集的土壤质量指数(SQI)指标,评价坡面尺度土壤质量的空间分异特征,并利用广义线性模型(GLM)明确坡度、坡位、土层深度等因子对土壤质量的贡献。[结果] (1)坡耕地土壤养分含量和空间特征在耕作层和亚表层间呈相反规律。对于大部分养分指标,耕作层的含量显著高于亚表层,但是,其空间异质性及土壤养分含量间的相关性低于亚表层(p＜0.05);(2 ...
李林源, 高磊, 彭新华, 钱芮, 王建茜, 杜豪   +5 more
doaj  

[Occurrence characterization of fluorinated liquid crystal monomers in indoor dust and human health exposure risks]. [PDF]

Se Pu
Wang SY, Hua K, He JH, Gao K, Lu LP.
europepmc   +1 more source

三峡水库消落带沉积泥沙与土壤的养分特征差异

Shuitu Baochi Xuebao
目的揭示三峡水库消落带沉积泥沙与原地土壤间的养分特征差异，为消落带生态修复及管理提供科学依据。方法以三峡水库土质消落带为研究对象，采集沉积泥沙和原地土壤样品，测试颗粒组成和养分物质（总有机碳TOC、全氮TN和全磷TP）含量，使用加权求和法计算沉积泥沙和土壤的综合养分指数（CNI），对比分析沉积泥沙与土壤间的养分特征差异。结果1）消落带沉积泥沙的中值粒径（d50）和平均值分别为5.57~10.29、8.54 μm，显著小于土壤的10.97~19.57、15.67 μm （p<0.01 ...
段金宝, 李进林, 韦杰, 唐强, 贺秀斌, 黄平, 吴胜军   +6 more
doaj  

[Exposure to Lead, Arsenic, Mercury, and Cadmium in Populations in Sichuan and Chongqing : A Comparative Study of Reference Intervals Derived From Direct and Indirect Sampling Methods]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Nie M, Xie T, Zheng B, Zou X, Sun G, He Q, Wu L, Zhang J, Zhou D.   +8 more
europepmc   +1 more source

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

Sichuan Da Xue Xue Bao Yi Xue Ban
Dai X, Li M, Chen J, Feng P, Chen J, Zhao J, Zhou Q, Luo S, Zhang H, Yan X, Huo J, Lian X.   +11 more
europepmc   +1 more source

[Determination of trace polychlorinated biphenyls in environmental water samples by solid-phase microextraction-gas chromatography-tandem mass spectrometry using carbon nanotube composite microspheres materials]. [PDF]

Se Pu
Song XL, Zhu SQ, Wu YX, Zhong LY, Liu YQ.   +4 more
europepmc   +1 more source

[Exposure characteristics of monohydroxypolycyclic aromatic hydrocarbons and influencing factors in urban residents]. [PDF]

Se Pu
Fu H, Lu YF, Xie LN, Zhu Y, Li Z, Hu XJ.
europepmc   +1 more source

[Research progress on paper-based microfluidic chips in pathogen detection]. [PDF]

Se Pu
Liu XT, Shi J, Shi M.
europepmc   +1 more source

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

Se Pu
Chen J, Liu ML, Wu L, Xu F, Lyu J, Chen LH, Li W, Fu J, Fu JJ.   +8 more
europepmc   +1 more source