目的客观量化土壤物理结皮厚度,明确红黏土物理结皮的发育过程和孔隙结构特征。方法通过开展人工模拟降雨试验获取不同降雨历时下的土壤物理结皮样品,基于CT扫描和土壤孔隙度阈值方法量化结皮厚度,并将其作为物理结皮发育特征的分析指标,揭示红黏土物理结皮的发育过程。通过提取结皮土样的二维和三维孔隙指标,探究不同发育程度下结皮土样的结构特征。结果1)红黏土物理结皮发育具有不同的阶段,可总结为初期颗粒溅散填充土壤孔隙阶段、中期雨滴压实土体阶段、后期稳定阶段和末期侵蚀阶段。在降雨1、10、30、60、90、120 ...
徐慧云, 朱绪超, 彭诚, 米美霞
doaj
为了探究砒砂岩区不同造林树种水文特征,以该地区油松、侧柏、青杨、山杏、沙棘、柠条为研究对象,通过浸泡法和环刀法,对比分析了不同树种枯落物层和土壤层的持水特性。结果表明:砒砂岩区主要造林树种枯落物蓄积量变动范围为1.55~7.89 t/hm2,青杨林下枯落物最大持水率最高为281.26%,其他树种枯落物最大持水率依次为油松(217.14%)、侧柏(201.05%)、山杏(202.79%)、沙棘(170.96%)、柠条(158.08%)撂荒地(143.88%)。油松林下土壤层容重最小为1.46 g/cm3 ...
杨振奇 +4 more
doaj
[Effect of porous surface structure on fatigue strength of 3D printed zirconia]. [PDF]
Zhao J +6 more
europepmc +1 more source
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Men Y, Wei L, Hu B, Hao P, Zhang C.
europepmc +1 more source
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Kong Y +8 more
europepmc +1 more source
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Zhang J +6 more
europepmc +1 more source
[Comparison of effectiveness between two endoscopic lumbar interbody fusion techniques and minimally invasive transforaminal lumbar interbody fusion for single-level lumbar degenerative disease]. [PDF]
Li Y, Kong W, Li J, Ma C, Ren Y.
europepmc +1 more source
[Early follow-up study on three-dimensional-printed customized porous acetabular components for reconstructing extensive acetabular bone defects in primary total hip arthroplasty]. [PDF]
Tang S +11 more
europepmc +1 more source
[Applications of ordered porous materials in chromatography separation and analysis]. [PDF]
Wang ZX, Wang DD, Wang ST, Song YY.
europepmc +1 more source

