Results 61 to 70 of about 1,073 (246)
Limnology and Oceanography: Methods, EarlyView.Abstract Sediment traps, often used in tandem with preservatives or poisons, are widely used for the collection of particulate organic matter (POM), providing insight into the source to sink mechanisms that shape major biogeochemical cycles and sedimentary carbon sequestration.
Diana Velazquez +2 more
wiley +1 more source
Journal of Field Robotics, EarlyView.ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang +3 more
wiley +1 more source
Planetary Gears with Inner Planet Gear and Three Axles
Jixie chuandong, 1995 In this paper, authors have researched into the principle of planetary gears with inner planet gear and three axles, and have analysed the construction of inner planet gear, number of inner gears, condition of assemble and how to manufacture the inner ...
Zhang Suohuai, et al.
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Journal of Field Robotics, EarlyView.ABSTRACT Grass mowing is one of the most resource‐consuming activities in green maintenance, whether in private areas such as home gardens or in public spaces like urban parks. In recent years, concerns related to climate change, human health, and sustainability have become increasingly prominent in green maintenance, leading manufacturers and industry
Andrea Palladini +3 more
wiley +1 more source
Transmission Precision Analysis of Planetary Line Gear Transmission based on Assembly Error
Jixie chuandong, 2021 Focusing on a planetary gear transmission that uses line gear as core transmission elements， and the influence of assembly errors on its transmission precision is studied.
Ting Geng +3 more
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PARAMETRIC OPTIMIZATION ON CRITERION VOLUME TWO STAGE PLANETARY MECHANISM OF TYPE AI–II
Авіаційно-космічна техніка та технологія, 2019 The task of parametric optimization on the criterion of total volume is considered for the two-stage planetary mechanism of type AI–II. The objective function of optimization is built as a sum of two dimensionless parametric functions of volume (analogs ...
Владимир Анатольевич Матусевич +2 more
doaj +1 more source
Multi‐Platform Deployments of Low‐Cost Devices for Cetacean Passive Acoustic Monitoring
Remote Sensing in Ecology and Conservation, EarlyView.Recent advances in affordable, user‐friendly devices offer new opportunities to overcome cost constraints of underwater passive acoustic monitoring (PAM) and expand acoustic data collection. In this study, we deployed low‐cost acoustic recorders and underwater cameras across a range of platforms in the Western Mediterranean, including fishing gear ...
Greta Jankauskaite +8 more
wiley +1 more source
Natural characteristics analysis of two teeth difference external compound planet transmission
Journal of Hebei University of Science and Technology, 2016 An analytical translational-rotational-coupling dynamic model is developed to evaluate the natural characteristics of two teeth difference external compound planet transmission by adopting centralized parameters method.
Youdong YE, Kai WANG, Zhebo ZHOU
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Science Education, EarlyView.ABSTRACT Educating youth about environmental and climate justice is crucial in realizing a sustainable and flourishing future. Yet this can be challenging given the intense eco‐emotions youth experience and express while learning about these consequential realities and their implications.
Kelsie Fowler
wiley +1 more source
Jixie chuandong, 2006 Assemble process of the double gears in planetary gear drive is simulated with SolidWorks and gear CAD/CAE software. By assemble simulation, the locations of every planet gears are determined and assemble difficulty is reduced.
张志宏, 张和平, 刘忠明
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