Results 51 to 60 of about 751 (103)

[Determination of 14 aniline and benzidine compounds in soil by gas chromatography-mass spectrometry]. [PDF]

Se Pu, 2023
Wu L, Yang L, Hu E, Wang M, Yang C, Yin M.   +5 more
europepmc   +1 more source

石灰和绿肥对不同种植制度植烟酸性土壤改良效果

Shuitu Baochi Xuebao, 2018
为寻求酸性植烟土壤可持续改良方法，采用大田试验研究了石灰、石灰+绿肥在烤烟连作、烤烟与玉米轮作方式上对酸性植烟土壤物理特性、主要养分和酸度特征指标的影响，并分析了土壤pH与土壤理化指标的相关性。结果表明：在烤烟连作方式下，施用石灰并结合种植绿肥还田改良酸性土壤比单施石灰效果好，能使土壤容重、水解性酸、交换性酸、交换性氢和交换性铝分别降低11.97%，25.00%，18.46%，21.74%和16.67%，土壤孔隙度、有机质、碱解氮、有效磷、速效钾含量、pH、阳离子交换量 ...
李玉辉, 李源环, 邓小华, 周米良, 田明慧, 田峰, 张明发, 杨丽丽   +7 more
doaj  

不同培肥措施下复垦土壤氮素转化特征

Shuitu Baochi Xuebao, 2019
为揭示不同复垦年限和培肥措施对采煤塌陷区复垦土壤氮素转化特征影响，分别采用间歇淋洗好气培养法、室内恒温控湿好气培养法和硝酸盐消失法研究了5种培肥措施下复垦4，8年土壤矿化、硝化、反硝化作用规律。结果表明：随复垦年限增加，土壤的矿化量（Nt）和矿化势（N0）均有增加，但土壤矿化率（Nt/N）及矿化势占全氮的比例（N0/N）无明显变化；不同培肥措施下，复垦8年土壤生物有机肥配施化肥处理（MCFB）Nt、N0、Nt/N和N0/N分别较单施化肥处理（CF）提高65.22%，65.21%，60.42%和60.76%
焦欢, 李廷亮, 高继伟, 李彦, 何冰, 李顺   +5 more
doaj  

湿地松林土壤生化特性和酶活性对模拟硫沉降的响应

Shuitu Baochi Xuebao, 2019
以亚热带湿地松人工林为研究对象，通过3种水平（对照CK：pH 6.5；低硫LS：pH 4.5；高硫HS：pH 2.5）的模拟硫沉降控制试验，分析土壤生化特性及酶活性对硫添加的响应。结果表明：（1）硫输入促进了土壤酸化，0-5 cm土层土壤pH在HS处理下显著降低，5-10 cm土层土壤pH在LS和HS处理下显著降低 ...
房焕英, 肖胜生, 潘萍, 欧阳勋志, 熊永   +4 more
doaj  

[Recent advances on environmental occurrence， risk and analytical methodologies of synthetic phenolic antioxidants]. [PDF]

Se Pu
Liu SS, Li ZJ, Wei HB, Xu PL, Li LN, Chen CE, Ying GG.   +6 more
europepmc   +1 more source

[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]

Se Pu
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]

Se Pu
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc   +1 more source

[New pretreatment method for detecting petroleum hydrocarbons in soil: silica-gel dehydration and cyclohexane extraction]. [PDF]

Se Pu, 2023
Qu J, Ni YW, Yu HR, Tian HX, Wang LX, Chen JP.   +5 more
europepmc   +1 more source

[Effects of lunar soil simulant and Earth soil on lung injury in mice]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Gong X, He S, Chen Y, Liu Y, Cheng Q, Chen Y, Hu X, Wang Z, Xie H.   +8 more
europepmc   +1 more source

[Research Progress on Molecular Mechanisms and Precision Diagnosis 
and Treatment of Spinal Organotropic Metastasis in Lung Adenocarcinoma]. [PDF]

Zhongguo Fei Ai Za Zhi
Fu H, She Y, Li M, Du Y, Zhu Y.
europepmc   +1 more source