[Determination of polychlorinated naphthalenes in soil using accelerated solvent extraction-molecular sieves solid-phase extraction coupled with gas chromatography-tandem mass spectrometry]. [PDF]
Se Pu, 2022 Jin J +6 more
europepmc +1 more source
Comparative studies on carbon storage and litterfall dynamics between secondary and primary mangrove communities in Zhanjiang,Guangdong Provinces,China [PDF]
, 2014 通过群落调查、异速生长法计算以及样品测定,分别对2010~2011年期间广东湛江高桥红树林生态系统中次生桐花树和原生木榄群落的植物和土壤储量进行了计算,并利用掉落物收集筐对掉落物动态进行了比较研究。研究结果表明,高桥桐花树与木榄群落的植物碳库(以C计,下同)分别为(51.16±12.06)x106g/HM2和(38.52±6.94)x106g/HM2,地上部分明显高于地下部分;土壤碳库分别为(111.86±7.96)x106g/HM2和(106.13±11.12)x106g/HM2,明显高于植物碳库 ...
卢伟志 +5 more
core
[Chemical diversity of dissolved organic matter revealed by ultra performance liquid chromatography-Fourier transform ion cyclotron resonance mass spectrometry]. [PDF]
Se Pu, 2023 Ma C, Ni HX, Qi YL.
europepmc +1 more source
Shuitu Baochi Xuebao, 2017 以江西省玉山县红壤丘陵区不同林龄（1 a和15 a）人工油茶林地土壤为研究对象，按不同坡位（上、中、下）、土层（0—10，10—20cm）采集土壤样品，分析其理化性质。结果表明：（1）随着油茶林龄增加，土壤容重呈减小趋势，而土壤含水量、田间持水量均呈增大趋势；土壤pH、有机质含量除上坡位外均呈显著增大趋势 ...
杨文利, 朱平宗, 闫靖坤
doaj
Shuitu Baochi Xuebao, 2016 通过野外调查与室内试验相结合的方法，对比分析不同土地利用方式土壤抗剪强度及其影响因子的关系，以期为研究区域不同土地利用方式水土流失评价提供一定科学依据。选取针阔混交林、灌木林、园地、坡耕地、荒地5种土地利用方式，观测土壤抗剪强度指标、容重、含水率、干密度、总孔隙度、土壤团聚体MWD值、粉/黏粒值，运用灰色关联法分析影响土壤抗剪强度的因素。结果表明：同一种土地利用方式土壤的黏聚力从坡上到坡下逐渐减小；不同土地利用方式土壤抗剪强度大小顺序为：坡耕地＞园地＞针阔混交林＞荒地＞灌木林 ...
李 想, 王 瑄, 盛世博, 陈志强
doaj
Shuitu Baochi Xuebao, 2019 选取黄土丘陵区12种典型植被样地，通过测定各样地不同土层植物残体生物量、土壤容重、毛管孔隙度、非毛管孔隙度及饱和导水率，研究各指标随土层深度和植被类型的变化规律及其对土壤饱和导水率的影响。结果表明：（1）除容重随土层深度增加外，植物残体、毛管孔隙度、非毛管孔隙度和饱和导水率均随土层深度减少，其中植物残体大多集中于表层土壤（0-10 cm），占总残体生物量的51.4%~85.7%。（2）不同植被类型其植物残体及土壤物理性质存在显著差异，乔木林地植物残体、农耕地土壤容重 ...
李永宁 +4 more
doaj
[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 PuZhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
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 BanGong X +8 more
europepmc +1 more source
[Determination of organophosphate diesters in facility vegetable soils using ultra-high performance liquid chromatography-electrostatic field orbitrap high resolution mass spectrometry]. [PDF]
Se Pu, 2023 Liu M +7 more
europepmc +1 more source
[Evaluation of Gradient-Variant Quantum Dot Fluorescence Technology for Rapid Detection of <i>Brucella</i>]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanLi J +9 more
europepmc +1 more source