Results 31 to 40 of about 1,175,884 (155)
, 2013 编者按：在中国空气动力学会举办的“空气动力学春节学术座谈会”上，中国航天空气动力技术研究院李锋院长做了题为《空气动力与无人机》的专题报告，受到与会人的热烈欢迎。编辑部对李锋向我们提供该报告的ppt文本深表谢意，并特此刊载以飨读者。 空气动力与无人机 李 锋李锋， 男，1961年出生于北京，西北工业大学流体力学专业博士，现任中国航天空气动力技术研究院院长，研究员 ...
何郁编撰
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Rare Metals, Volume 45, Issue 9, September 2026.ABSTRACT With the rapid development of flexible electronics, there is an increasing demand for hydrogel‐based sensors with rapid fabrication, robust mechanical performance, and stable sensing behavior. Herein, a green and ultrafast self‐catalytic strategy is developed to fabricate a multifunctional hydrogel based on tannic acid‐coated cellulose ...
Jin Qian +6 more
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Toward a New Generation of AI‐Enabled Wearable Sensors
Rare Metals, Volume 45, Issue 9, September 2026.ABSTRACT Wearable sensors have emerged as important platforms for noninvasive, real‐time, and continuous monitoring of physiological information, with growing applications in personalized healthcare, human‐machine interfaces (HMIs), and robotic empowerment.
Tianqi Yang +7 more
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Gaoya dianqi, 2017 目前多旋翼无人机已在电力系统巡线中得到了广泛应用,结合无人机航迹规划研究现状,提出基于工频电磁场干扰研究的三维GIS无人机巡检航迹规划系统,通过建立导线对无人机工频电场和工频磁场干扰仿真模型,计算工频电磁场对无人机机身及机载设备影响,确定了安全飞行最小安全距离,并以确定的最小安全距离、线路杆塔三维模型及巡检任务相关信息实现在三维GIS上的无人机巡线路径规划、航迹跟踪和手动导航等功能,通过现场实际应用验证了航迹规划对巡检工作的重要性。
冯智慧 +4 more
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World Medical &Health Policy, Volume 18, Issue 3, September 2026.ABSTRACT This study examines the association between catastrophic health expenditure (CHE) and distress financing among India's uninsured “missing middle,” a population largely excluded from public insurance schemes and private coverage. While healthcare‐induced financial hardship is well documented, evidence on subsequent coping strategies among this ...
Neha Parikh +1 more
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Intangible drivers of tolerance shape human–elephant coexistence in Southwest China
People and Nature, Volume 8, Issue 8, Page 2763-2780, August 2026.Abstract Southwest China is home to a small but rapidly expanding population of Asian elephants (Elephas maximus), whose growth has intensified conflicts with people living in shared landscapes. These conflicts result in substantial economic losses and occasional human casualties. This coexistence paradox—where conservation success leads to significant
Xiaoyu Yu +4 more
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Flexible, Robust Transparent Conductive Films With Excellent Electromagnetic Shielding Properties
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Transparent conductive films (TCFs) are indispensable components for next‐generation wearable electronics, intelligent robots, and electromagnetic interference (EMI) shielding devices. However, the fabrication of conventional random metallic mesh suffers from an inherent trade‐off between “randomness and controllability”.
Shanghao Lu +5 more
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World Water Policy, Volume 12, Issue 3, August 2026.ABSTRACT In Ghana, the government has initiated a reform in rural water management to shift away from community‐based management (CBM) to state management, but research assessing the reform is still insufficient. This study aims to critically evaluate the impact of the reform in addressing rural water challenges.
Ernestina Ohenewaah Denchie, Kevin Lo
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, 2021 本实用新型涉及无人机技术领域，特别涉及一种火炬传递无人机。包括旋翼无人机、火炬倾转机构、电池配重系统及火炬，其中旋翼无人机采用四旋翼构型，电池配重系统布置于旋翼无人机内，火炬倾转机构设置于旋翼无人机的外侧，火炬安装在火炬倾转机构上，并且通过火炬倾转机构的驱动实现倾转动作。本实用新型可实现无人机高载重比 ...
杨丽英 +6 more
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智能科学与技术学报, 2020 边缘智能计算是指将用户节点产生的计算密集型任务卸载到计算能力更强的边缘服务器上进行处理，而基于无人机的边缘智能计算是指在此基础上结合智能无人机平台，利用该平台机动性强、易于部署的优点，更加快速灵活地为地面用户设备提供边缘计算服务。此外，无人机也可作为用户节点，将其计算密集型任务卸载到地面边缘服务器上来执行。针对无人机作为用户节点和边缘服务器两种不同场景，根据最小化能耗、最小化时延和最大化效用等不同的优化目标对当前基于无人机的边缘智能计算研究进行了分类和总结，并对下一步的研究方向进行了思考与展望。
董超, 沈赟, 屈毓锛
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