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Wildlife Letters, Volume 1, Issue 4, Page 178-193, December 2023., 2023 Genetic analysis by scientists of hybridization events from 2006 to 2010 indicates one‐directional gene flow from polar bears to grizzly bears. Even if gene flow was later discovered from grizzly bears to polar bears, there is not enough time to allow for significant adaptation to a rapidly changing Arctic environment.
Craig L. Shafer
wiley +1 more source
Veterinary Dermatology, Volume 34, Issue 3, Page 235-245, June 2023., 2023 Background – Oral and parenteral drug delivery in horses can be difficult. Equine‐specific transdermal drug formulations offer improved ease of treatment; development of such formulations requires a deeper understanding of the structural and chemical tissue barrier of horse skin. Hypothesis/Objectives – To compare the structural composition and barrier
Samuel C. Bizley +3 more
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Antipode, Volume 53, Issue 1, Page 222-241, January 2021., 2021 Abstract Since China’s implementation of a neo‐liberal housing regime, housing activism has boomed. Whilst activism is ultimately in place, as increasingly recognised within protest work, there is limited reflection upon how permeable material histories are entangled with the throwntogetherness of place as a site for protest. Employing ethnography over
Harriet Larrington‐Spencer +2 more
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South as a Sight ‘å—方’, from a branch to a necessity to World Literature
Journal of Research in Social Science and Humanities, 2023 In the discussion and debates on the world literature system, methodologies and methods is a topic that is valued. Moretti and Apter have prominent different opinions on the adoption of digital or abstract data outside texts and contexts. The way Moretti views the world literature system is highly based on historiography and studies of the Annual ...
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Shuitu Baochi Xuebao, 2005 分析了土壤容重和气阻对一维垂直积水入渗的入渗率、累积入渗量以及湿润锋的影响,并对入渗过程中土壤平均含水率增量进行了研究。容重和气阻均对入渗率、累积入渗量和湿润锋有明显的影响:容重增加导致累积入渗量减少的减渗率在入渗过程中为一常数,相对于容重为1.3g/cm3土壤的累积入渗量,容重为1.4g/cm3和1.5g/cm3土壤的减渗率分别为31.79%和52.03%。容重增加导致湿润锋减少的减渗率在入渗过程中并非一常数,受到了入渗时间的影响;气阻导致累积入渗量和湿润锋减少的减渗率随基准入渗量的增加而变大 ...
张振华 谢恒星 刘继龙 蔡焕杰
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Shuitu Baochi Xuebao, 2007 实验研究表明,在具有砂质夹层土壤的积水入渗过程中,其累积入渗量随时间的变化存在着由非线性入渗关系逐渐转入线性稳定入渗的两个阶段.在已有的研究成果中,对此入渗过程大多采用以进入稳渗阶段的时间为界,分段对其进行数学模拟.本文提出将地表入渗通量随时间的变化视为两部分入渗过程叠加的思路,即一部分视为稳定入渗,其稳渗率与转入稳渗阶段后的量值相等;另一部分视为满足上层土体储水需求的非稳定入渗,其入渗率为入渗时间的函数,并在整个入渗过程进入稳定入渗阶段时,其量值趋近于零.在此思路与假设前提下 ...
张建丰, 王文焰, 贾中华
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Shuitu Baochi Xuebao, 2022 为定量评估放牧对草原土壤入渗的影响,了解和防治放牧造成的水土流失,科学评估草原水文调节功能,采用双环入渗法研究了放牧对典型草原土壤入渗性能的影响,并收集影响土壤入渗的环境特征变量。结果表明:(1)土壤入渗能力均受到放牧活动的干扰,随着放牧强度的增加,土壤初渗速率、稳渗速率减小, 达到稳渗时的历时缩短,而轻度放牧对土壤入渗性能却具有增强作用,LG的初渗速率(5.12 mm/min)、稳渗速率(1.93 mm/min)、2 h累积入渗量(213.42 mm)均较好, 快速入渗至稳渗阶段历时延长。(2 ...
耿林昇 +4 more
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Learning Styles, Engagement and Anxiety in AI‐Mediated Writing: A Multimodal Feedback Study
International Journal of Applied Linguistics, EarlyView.ABSTRACT Artificial intelligence (AI) tools now permeate English academic writing. However, evidence on how feedback modalities align with student differences and with psychological mechanisms remains limited. Prior work often reduced learning styles to simple matches with delivery modes and treated learning engagement and writing anxiety as peripheral.
Yi Ren +3 more
wiley +1 more source
Shuitu Baochi Xuebao, 2007 通过肥液间歇和连续入渗实验,分析了肥液间歇入渗土壤湿润特性。结果表明,肥液间歇入渗湿润锋运移速度较连续入渗慢,并随周期数的增加而减小;分析了肥液间歇入渗湿润锋运移的分段模型,提出了由连续入渗湿润锋运移参数计算间歇入渗湿润锋运移距离的简化模型,实例计算表明该方法简单有效;对比了肥液间歇入渗和连续入渗土壤含水量的分布,肥液间歇入渗土壤含水量分布较连续入渗均匀,相同深度土层中入渗水量占总入渗量的比例较大。
吴军虎, 乔莲莲, 费良军
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Shuitu Baochi Xuebao, 2021 为探索喀斯特地下浅层裂隙土壤水分运移规律，通过野外调查、单环入渗试验探索裂隙土壤的入渗特性及入渗模型的适应性。结果表明：（1）裂隙土壤初始入渗率为21.06~57.90 mm/min，入渗时间20~60 min后达到稳定入渗（4.21~13.69 mm/min），且入渗初期到最后的稳渗阶段存在着较大降幅（40.89%~89.08%），与非喀斯特地区相比，喀斯特裂隙土壤的入渗速率更快；裂隙土壤各入渗特征处于中等程度变异（变异系数为0.52~0.67）。（2）裂隙土壤各入渗特征与各土壤属性显著性相关较少 ...
朱列坤 +4 more
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