Results 21 to 30 of about 13,631 (115)
Shuitu Baochi Xuebao, 2020 基于试验站不同坡地措施（坡耕地和坡改梯）2016年和2017年的逐日降水、产流产沙数据，研究不同坡地措施和雨强下产流产沙规律特征，定量揭示坡改梯和坡耕地对产流产沙的影响。结果表明：（1）7月平均雨强I、最大雨强I30及坡地产流量最大，8月最大雨强I60与坡地产沙量最大，表明坡地产流产沙高峰期与雨强高峰期一致。（2）春夏两季产流、产沙量与I、I30和I60相关性显著（超过95%置信度检验）。其中坡耕地产流产沙量与I、I30、I60的相关系数整体高于坡改梯。春夏季坡耕地产沙量分别是坡改梯的3.91，7 ...
曹媛 +5 more
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Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Methanol‐assisted hydrogen generation reduces energy consumption while maintaining high hydrogen productivity. However, constructing bifunctional catalysts with high hydrogen evolution reaction (HER) activity, CO tolerance, and long‐term stability remains challenging.
Xiaoyu Zheng +5 more
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The Photogrammetric Record, Volume 41, Issue 195, July‐September 2026.Tri‐stereoscopic PeruSat‐1 imagery enables the simultaneous generation of 0.70 m‐resolution topography and spatially distributed Manning roughness maps, achieving 0.434 m vertical accuracy. Integrated into HEC‐RAS, these products provide consistent, high‐resolution inputs that improve hydraulic modelling and flood risk assessment in data‐scarce river ...
Jorge L. Miranda‐Pita +3 more
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Policy &Internet, Volume 18, Issue 2, June 2026.ABSTRACT In an era of proliferating but divergent data protection regimes, the European Union's rights‐based approach and China's sovereignty‐centric model have become two dominant poles of global data governance. This article examines how multinational enterprises navigate compliance under these dual systems and how that compliance is shaped through ...
Yiping Cao
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Shuitu Baochi Xuebao, 2019 为了研究坡度对坡面浅沟侵蚀产沙的影响，以黄土丘陵沟壑区坡面浅沟为研究对象，选取野外实地坡面14.0°，18.5°，26.0°，29.0°坡度和5，10，15，20，25 L/min放水流量进行典型野外坡面浅沟径流小区放水冲刷试验，研究坡度对浅沟径流率、产沙率、含沙量、总径流量、总产沙量的影响。结果表明：5，10，15，20，25 L/min不同放水流量下，坡度与径流率、总径流量成正相关，既随着坡度增大径流率、总径流量增大；5，10，15，20，25 L/min不同放水流量和14.0°，18.5°，26 ...
郭军权, 王文龙
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Structural Modulation of Magnetic Softness in Fe‐Based Amorphous Alloys via Pulse Current Training
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Fe‐based amorphous alloys, despite their intrinsically low magnetocrystalline anisotropy, suffer from quasi‐dislocation dipoles and localized stress fields that impede domain‐wall motion and increase coercivity. Here, we introduce pulse current training (PCT) as an energy‐efficient technique to overcome these limitations in a Fe76Si9B10P5 ...
Shumin Ye +13 more
wiley +1 more source
Shuitu Baochi Xuebao, 2017 森林更新或改造是林地极易发生水土流失的关键时期。通过对四川省宜宾市高县马尾松低效林不同改造模式的5个人工径流小区不同降雨量条件下产流产沙数据分析，探索改造初期（3 a）降雨与产流、产沙特征的关系及随植被恢复的演变规律。结果表明：2014年Ⅰ～Ⅴ号径流小区因不同降雨量条件下导致的产流总量较2012年同期分别降低－6.44%，－10.51%，20.95%，13.28%，12.73%；产沙总量降低58.4%，56.38%，77.72%，78.16%，79.68%。产流量与产沙量随降雨量增加呈指数增长趋势 ...
张海涛 +5 more
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Functional Ecology, Volume 40, Issue 6, Page 1725-1739, June 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Root exudates play a key role as signals and nutrients in mediating plant–microbe communication. However, critical knowledge gaps remain regarding how root exudates mediate soil–microbe–plant interactions to regulate crop yield under long‐term straw mulching combined ...
Jiajie Song +7 more
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Shuitu Baochi Xuebao, 2017 试验以天然降雨为侵蚀动力，采用标准径流小区法，对比研究了连续型降雨与间歇型降雨条件下横垄与顺垄玉米径流形成和泥沙迁移规律。结果表明：连续型降雨产流过程形态呈“W”或倒“V”形，产沙形态呈“W”或“M”形；顺垄产流与产沙时间长度一致，产流总量和产沙总量分别是横垄的1.66~5.80倍和5.02~5.52倍；顺垄与横垄产流产沙峰值差异显著，仅横垄与雨强存在错峰现象，延后1 min。间歇型降雨产流形态为倒“V”形，产沙形态呈倒“V”或“M”形；顺垄产流和产沙总量分别是横垄的1.83倍和2.32倍 ...
张晶玲 +4 more
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Veterinary Dermatology, Volume 37, Issue 3, Page 375-385, June 2026.ABSTRACT Background Advances in transcriptomics have driven the demand for minimally invasive, reproducible and high‐yield skin sampling methods, particularly for studying inflammatory skin diseases in companion animals. Hypothesis/Objectives We tested tolerability, feasibility and RNA quantity and quality of three minimally invasive skin sampling ...
Ina Herrmann +2 more
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