Results 11 to 20 of about 93,324 (235)
EU Policy‐Making in the Digital Age: Major Trends and Insights From Public Policy Research
European Policy Analysis, EarlyView.ABSTRACT Has digitalization changed policy‐making dynamics at the European Union (EU) level? To investigate this issue, this article presents a scoping review of the literature on EU digital policy‐making. While much scholarship adopts a ‘Governance’ approach, two conceptually rich strands emerge: critical approaches, and digital sovereignty.
Chloé Bérut
wiley +1 more source
Rare Metals, EarlyView.ABSTRACT Rare earth elements (REEs) play an irreplaceable role in modern technology and industry. However, due to the highly similar physicochemical properties among REEs, their separation remains a significant challenge. Additionally, REEs often exist in low‐concentration solutions, making efficient REE recovery an urgent task.
Miao‐Miao Huang +6 more
wiley +1 more source
Long-term Stock Price Performance of China's A-share Listed Companies Following Private Placement [PDF]
, 2016 我国资本市场的融资功能在股权分置改革之后逐渐被恢复。在2006年5月8日我国颁布的《上市公司证券发行管理办法》对非公开发行进行规范之后，定向增发股票逐渐发展成为我国资本市场上主流的再融资方式。其原因在于：第一，定向增发股票能为上市公司筹集资金，帮助提高上市公司的经营业绩；第二，定向增发股票可以在并购重组中发挥作用，缓解购买资产的资金压力，避免公开竞价，降低交易成本；第三，大股东及关联股东可以通过定向增发股票方式向上市公司注入优质资产，以提高上市公司的资产质量和盈利能力，从而增加股东的财富；第四 ...
刘翩翩
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Engineering 2D Materials for High‐Current‐Density Electrocatalytic Water Splitting
Rare Metals, EarlyView.ABSTRACT Water electrolysis is a key method for sustainable hydrogen production, using water as an abundant resource. However, efficient and stable operation at high current densities remains challenging due to energy losses, catalyst degradation, and limited ion–electron transport.
Tianqi Guan +8 more
wiley +1 more source
Advances in Elemene Nanodelivery Systems: From Material Design to Disease Treatment
Rare Metals, EarlyView.ABSTRACT Elemene (ELE) is a bioactive sesquiterpenoid extracted from traditional Chinese herbs, demonstrating broad‐spectrum antitumor, anti‐inflammatory, and analgesic properties with significant therapeutic potential. However, its clinical utility is constrained by inherent physicochemical limitations, including volatility and hydrophobicity, which ...
Xiao Wang +9 more
wiley +1 more source
Public Health Services： A Bibliometric Analysis and A Meta-Regression Analysis [PDF]
, 2016 虽然公共医疗卫生服务始于20世纪80年代，但学术界对其进行深入考察却仅有十多年的历史。近年来，国内外的公共医疗卫生服务研究已经开始成长和发展，并涌现出一些经典的研究文献。尽管如此，目前学术界对于中国的公共医疗卫生服务研究还缺少系统性的梳理，对于国外研究的特征和发展趋势也缺乏足够的了解。可以说，及时总结国内公共医疗卫生服务研究的发展脉络，厘清研究现状，进而把握未来研究方向在目前的形势下变得极为重要。因此，本文运用文献计量分析，通过在WebofScience和中国知网CNKI中检索、筛选 ...
王平平
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New Advances of Degradable Magnesium‐Based Metal Biomaterials in the Field of Orthopedics
Rare Metals, EarlyView.ABSTRACT Based on their outstanding biomechanical properties and superior osteogenic activity, magnesium (Mg) and its alloys have been extensively investigated for their biocompatibility and therapeutic efficacy in treating fractures and bone defects.
Jia‐Nan Yu +8 more
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 2002 导致心肌细胞肥大的胞外刺激因素通过 G 蛋白偶联受体将信号传人胞内。异三聚体G 蛋白由 α、β 和γ亚基所组成,最近发现 Gβγ可以激活 PI3Kγ、Ras、MAPKs 等,参与引起心肌细胞肥大反应的细胞内信号转导通路,可作为防治心肌肥厚的新靶点。
郑 猛综述, 余细勇审校
doaj
Fayixue Zazhi, 1985 挤压综合征是肌肉丰富的部位遭受长时间挤压伤后,随之而引起的以急性肾功衰竭为特征的全身性严重病变,因而又称“挤压性肾衰综合征”。本文对挤压综合征论述如下 ...
doaj
Research on Issuance and Presentation of Preferred Stock and Perpetual Bond in China [PDF]
, 2016 优先股和永续债是我国资本市场的新兴事物。国内资本市场上第一只永续债由武汉地铁集团有限公司于2013年10月成功发行，而第一只优先股由中国农业银行股份有限公司于2014年11月成功发行。它们的出现，为企业提供了新的融资工具，也为投资者提供了新的高收益产品，满足了投融资双方多元化的需求。 本文是对我国优先股和永续债发行情况和列报的研究。本文在第2章介绍了优先股和永续债的基本概念，回顾了两者的发展历史和制度背景，并综述了国内外学者对两者的研究成果。本文第3章是对我国优先股和永续债发行情况的研究 ...
蔡奕华
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