Results 21 to 30 of about 17,386 (166)
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Skin wound injuries are often accompanied by bacterial infections and severe inflammation. Especially, M1‐type macrophages at the wound site can trigger a cascade of inflammatory responses, mediating a vicious cycle of inflammation. Meanwhile, hypoxia further exacerbates vascular damage and constriction in the wound microenvironment, thereby ...
Xianfeng Wang +6 more
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Two‐dimensional (2D) nonlayered niobium nitrides have attracted considerable interest for electrochemical energy storage. However, the synthesis of these materials is hampered by their nonlayered crystal structures, which are characterized by strong three‐dimensional chemical bonding.
Rui Huo +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
doaj
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Narrowband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) featuring low full‐width at half maximum (FWHM) and high conversion efficiency are crucial for chemical content evaluation, light therapy, and bioimaging.
Chunshen Li +4 more
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Shuitu Baochi Xuebao, 2017 为研究降雨因子对粉煤灰产流产沙的影响，揭示粉煤灰产流产渣的规律，采用径流小区定位观测试验，研究雨季期粉煤灰径流小区在自然降雨条件下的产流产渣特征。结果表明：（1）观测期内总降雨量为1 160.0 mm，侵蚀降雨量为720.7 mm，7月份降雨、侵蚀降雨均为最多，分别为409.6 mm和217.1 mm，暴雨的侵蚀降雨量最大，为280.1 mm；（2）7月份产流产渣最多，3个小区的产流产渣量分别为0.72，1.06，0.67 m3和0.30，0.90，0.21 kg，暴雨的产流产渣量最大，分别为0.62 ...
张华明 +7 more
doaj
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 272-282, March 2026.ABSTRACT Objective Complete hydatidiform mole and coexisting normal fetus (CHMCF) is a rare condition for which there is significant heterogeneity in diagnosis, counseling and management of complications. The objective of this study was to summarize the prevalence of clinical outcomes in reported cases of CHMCF.
N. Salmeri +8 more
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Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 3, Page 376-384, March 2026.ABSTRACT Objective To investigate whether combining abnormal morphological features observed on ultrasound in live pregnancies that ended in a first‐trimester miscarriage can predict an abnormal karyotype. Methods This retrospective observational cohort study was conducted at the early‐pregnancy assessment unit at University College London Hospital ...
T. Setty +5 more
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Zhongguo shiyan zhenduanxue, 2000 目的 通过对三组不同妊娠情况组别胚胎组织标本检测人类微小病毒Ｂ１９（Ｂ１９Ｖ）结果的分析，探讨Ｂ１９Ｖ感染与 人类自然流产之间的关系。方法实验对象由７２例不明原因自然流产的病人、３２例妊娠情况正常的人工流产者、３６例足月 分娩新生儿正常的产妇组成，计１４０例。收集流产组织和正常产妇胎盘组织为检测标本，应用聚合酶链反应（ＰＣＲ）方法检测 Ｂ１９Ｖ。结果 ７２份自然流产病人流产组织标本Ｂ１９Ｖ的检出率为２７．８％（２０／７２），３６份正常产妇胎盘组织标本Ｂ１９Ｖ的检出率 为５．６％（２／３６ ...
薛承岩, 宋鸿儒, 石静
doaj
Research on Improvement of Production Efficiency in Firm A [PDF]
, 2015 中国是个制造大国，有全球工厂之称。在国家十二五发展规划中，装备制造业成为国家的支柱产业之一。中国虽是一个制造大国，但从大部分领域业比较，远非一个制造强国。 本文采用供应链、精益生产、管理学等相关理论知识，结合相关研究成果，理论联系实际，首先从整体上对数控机床行业生产效能的现状进行分析，数控机床作为制造型企业的工作母机，其情况反应了整个制造型企业所共同面临的问题，由于计划、流程管理欠缺，数控机床企业面对市场的风云变幻普遍难以应对，大量国企面临亏损。 以A企业为例，分析了其企业内部生产效能的现状，从生产计划、
潘卫国
core
Devouring the Invaders: The Racial‐Ecological Politics of the Chinese Crayfish Trade in Kenya
American Anthropologist, Volume 128, Issue 1, Page 183-194, March 2026.ABSTRACT This article examines entanglements of ecology, race, and foodways at Lake Naivasha in Kenya. Nonnative Louisiana red swamp crayfish (Procambarus clarkii), first introduced to Kenya in the 1960s, were once viewed as invasive but are now sought after as a delicacy among Kenya's Chinese community.
Amanda Kaminsky
wiley +1 more source