Shuitu Baochi Xuebao目的旨在探讨森林类型转换对森林土壤水文物理参数的影响。方法以亚热带天然常绿阔叶林及由此转换来的天然次生林、米槠（Castanopsis carlesii）人工林和杉木（Cunninghamia lanceolata）人工林为研究对象，对比分析森林类型转换后对土壤孔隙度、渗透性和土水势等水文物理参数的影响。结果1）林型转换后，土壤总孔隙度在次生林土壤下层20~40 cm显著提高，相比天然林增加5.43%，土水势在旱季杉木人工林中显著提高，与天然林相比增加5.01 kPa，但土壤渗透性无显著变化。2 ...
郑力轩 +7 more
doaj
[VDAC1 participates in house dust mite-induced asthmatic airway inflammation in mice by inducing ferroptosis of airway epithelial cells]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2023 Huang Y, Lin L, Huang H, Dong H.
europepmc +1 more source
Piceatannol protects rat neuron cells from oxygen-glucose deprivation reperfusion injury via regulation of GSK-3β/Nrf2 signaling pathway. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue Ban, 2022 Zhang S +6 more
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Aspirin inhibits the growth of hypertrophic scar in rabbit ears via regulating Wnt/β-catenin signal pathway. [PDF]
Zhong Nan Da Xue Xue Bao Yi Xue Ban, 2022 Lin Z +6 more
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[Preliminary Investigation of the Molecular Mechanism of Empagliflozin Suppressing Gastric Cancer Through Mammalian Target of Rapamycin]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue Ban, 2023 Rao H +8 more
europepmc +1 more source
[Consensus of Chinese Experts on Medical Treatment of Advanced Lung Cancer in the Elderly (2022 Edition)]. [PDF]
Zhongguo Fei Ai Za Zhi, 2022 Lung Cancer Specialty Committee of Chinese Elderly Health Care Association +1 more
europepmc +1 more source
ENERGY FOR MIXED FOREST OF CUNNINGHAMIA LANCEOLATA AND TSOONGIODENDRON ODORUM [PDF]
, 2001 对杉木观光木混交林群落能量的研究结果表明 :混交林中观光木地上部分灰分含量以皮最高 ,而杉木则以叶最高 ,两者GCV(干重热值 )和AFCV(去灰分热值 )均以叶为最高 ;观光木、杉木地下各部分的灰分含量均随径级的减小而增加 ,GCV均以粗根最高 ,细根最低 ;观光木的平均灰分含量高于杉木 ,但GCV和AFCV均低于杉木 ;从乔木层、灌木层到草本层 ,灰分含量依次增加 ,GCV和AFCV则依次降低 .混交林群落的能量现存量、年净增量、归还量和净固定量分别是纯林的 1.2 6倍、1.15倍、1.0 2倍和
杨玉盛 +4 more
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Shuitu Baochi Xuebao[目的] 退耕还林是改善土壤结构、减少水土流失的重要举措,明确还林树种对土壤团聚体形成过程的影响机制可为水土保持提供重要的依据。[方法] 选择华西雨屏区紫色土坡耕地(玉米地)还林20年形成的柳杉林、混交林、茶园和慈竹林4种人工林土壤为研究对象,分析土壤团聚体分布及其稳定性的变化。[结果] (1)相较于坡耕地,混交林、茶园和慈竹林土壤>5 mm团聚体含量显著增加,而0.5~1 mm团聚体含量显著减少(p 5 mm;(2)人工林土壤团聚体GMD、MWD和R0.25分别上升46.93%~330.30%,47 ...
钟宇健 +4 more
doaj
[Comprehensive treatment strategies for head neck tumors]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023 Huang Z, Wen W, Mao W.
europepmc +1 more source
Wet Deposition of Atmospheric Nitrogen in Jiulong River Watershed [PDF]
, 2008 [摘要]:通过2004~ 2005 年对位于我国东南沿海的九龙江流域及周边共17 个站点的实地观测, 运用GIS 技术定量揭示了大气氮 湿沉降强度和时空分布特征, 并利用氮稳定同位素分析雨水硝态氮的主要来源. 结果表明, ¹ 17 个站点雨水总氮平均浓度为 ( 2120? 1169) ~ ( 3126 ?
CHEN Neng-wang +5 more
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