Results 71 to 80 of about 16,353 (175)
Policy &Internet, Volume 18, Issue 1, March 2026.ABSTRACT This article investigates how TikTok Shop reproduces the e‐commerce model of Douyin Shop against a backdrop of divergent regulatory challenges and geopolitical distrust. One of the strategic changes we observe in TikTok Shop is the shift of consumer goods suppliers from local merchants to China‐based sellers.
Shuaishuai Wang, Jing Meng, Yitong Li
wiley +1 more source
Design and Implementation of Wind Power Production Real-time Supervisory Information System [PDF]
, 2015 本文阐述了SIS的基本概念，分析SIS在电力企业信息化中的地位及国内外 的研究动态，着重研究SIS在风力发电企业中的应用，同时结合目前风力发电生 产信息的特点和需求，设计解决方案，并加以实现为其构建实时信息监测系统。 论文介绍了跨浏览器、跨系统的多媒体JAVA技术、Delphi技术、数据可视 化、网络拓扑设计等关键技术。重点讨论了SIS总体设计方案，包括系统设计的 原则，系统设计的总体要求、系统功能的实现、系统软件架构和网络结构等。系 统实现了实时数据的深层次加工和提炼，为决策分析提供辅助信息 ...
朱文杰
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of high‐performance and stable electrocatalysts for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) plays a critical role in advancing clean energy technologies, including metal‐air batteries and hydrogen production through overall water splitting.
Chen‐Yu Cai +4 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Proton exchange membrane fuel cells (PEMFCs) require advanced bipolar plate coatings to enhance efficiency, durability, and commercialization potential. This review presents a systematic framework for evaluating and designing bipolar plate coatings, integrating material selection, performance metrics, deposition techniques, and future ...
Shijie Li +12 more
wiley +1 more source
, 2016 青岛蓝色经济区建设要将海洋资源的有效利用开发和陆地科技创新支撑、产业结构布局和生态环境建设有机地结合起来,形成陆海一体的创新域;依靠科技创新,改变靠资源高消耗、环境高污染来换取经济发展的模式,推进陆海产业转型和结构调整升级,加快发展先进制造业和现代服务业,构建现代海洋新兴产业体系,形成具有自主知识产权的核心竞争力 ...
隋映辉
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Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT High‐power piezoelectric ceramics which have a wide operating temperature range are essential for sensor and actuator applications in extreme conditions. However, their development is fundamentally hindered by the inherent trade‐off among key parameters (TC, d33, Qm).
Rui Yan +10 more
wiley +1 more source
Theoretical calculation of cathode catalyst and electrolyte in lithium air battery [PDF]
, 2016 随着电动汽车的快速发展，寻找和开发具有高能量密度的新型锂二次电池显得至关重要，锂空气电池是目前研究最为活跃的体系之一。采用量子化学为主的理论方法，有助于深入认识和理解锂空气电池电化学界面的一些关键科学问题。本文从理论计算的角度出发，开展对于锂空气电池的正极催化剂材料及电解液等关键组件的研究。主要研究内容如下： 1.MnO晶体的(100)、(111)-Mn和(111)-O晶面对锂空气电池充放电过电势影响的机理研究。 在N掺杂石墨烯（NG）表面上均匀生长MnO晶体，该复合材料表现出了优异的OER催化性能 ...
雷鸣
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全球能源互联网实现全球“碳中和”，核心是推动能源绿色低碳转型，重要举措是推动新能源大规模基地化开发和高效消纳。针对偏远、水电不足地区新能源基地开发面临的低碳调节手段不足、电网配置和消纳能力有限、“风光火”开发模式降碳难等问题与挑战，提出了基于电-氢-碳协同的新能源基地发展思路和开发模式，将氢基产业发展与新能源开发消纳、煤电灵活低碳转型深度融合，同时结合绿氢、绿氨、绿色甲醇等氢基产品制取工艺的技术发展和调节能力提升，量化分析绿电与绿色氢/氨/甲醇在终端消费市场的竞争力及经济效益 ...
刘泽洪 +4 more
doaj +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Photocatalytic hydrogen production from water splitting is a promising strategy for sustainable and clean energy generation. However, the design of low‐cost, highly active photocatalysts remains a critical challenge. In this study, covalent organic frameworks (COFs) were loaded onto the surface of Cd0.9Cu0.1S to fabricate COF/Cd0.9Cu0.1S ...
Yue Zhao +3 more
wiley +1 more source
Design and Implementation of Wind Turbine Background Monitoring and Management Platform [PDF]
, 2016 随着经济的不断发展，人类对传统的化石资源的开发速度越来越快，地球上的化石资源也越来越匮乏。要想保证能源的可持续利用，保证人们的资源消费需求。节约使用石化能源、开发利用新能源和可再生能源十分关键。而风力发电作为能源当中重要的电力行业，已成为全世界各个国家大力发展的重要新能源之一。 在中国，全国平均风功率密度为100W/m2，风能资源的总储量约为32.26亿kw，现行可供开发的资源共计约10亿kw，其中包含了2.53亿kw陆地风能和7.5亿kw近海风能。风的可利用区域分布广阔，装机数量多 ...
熊菲
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