Results 1 to 10 of about 549,317 (264)

Neural Network Structure Optimization by Simulated Annealing [PDF]

Entropy, 2022
A critical problem in large neural networks is over parameterization with a large number of weight parameters, which limits their use on edge devices due to prohibitive computational power and memory/storage requirements.
Chun Lin Kuo, Ercan Engin Kuruoglu, Wai Kin Victor Chan   +2 more
doaj   +2 more sources

Variation of Net Carbon Emissions from Land Use Change in the Beijing-Tianjin-Hebei Region during 1990–2020

Land, 2022
Global increasing carbon emissions have triggered a series of environmental problems and greatly affected the production and living of human beings. This study estimated carbon emissions from land use change in the Beijing-Tianjin-Hebei region during ...
Haiming Yan, Xin Guo, Shuqin Zhao, Huicai Yang   +3 more
doaj   +1 more source

Rational Design of Monolithic g-C₃N₄ with Floating Network Porous-like Sponge Monolithic Structure for Boosting Photocatalytic Degradation of Tetracycline under Simulated and Natural Sunlight Illumination

Molecules, 2023
In order to solve the problems of powder g-C3N4 catalysts being difficult to recycle and prone to secondary pollution, floating network porous-like sponge monolithic structure g-C3N4 (FSCN) was prepared with a one-step thermal condensation method using ...
Delu Cao, Xueying Wang, Hefan Zhang, Daiqiong Yang, Ze Yin, Zhuo Liu, Changyu Lu, Feng Guo   +7 more
doaj   +1 more source

Boosted Tetracycline and Cr(VI) Simultaneous Cleanup over Z-Scheme WO₃/CoO p-n Heterojunction with 0D/3D Structure under Visible Light

Molecules, 2023
In this study, a Z-Scheme WO3/CoO p-n heterojunction with a 0D/3D structure was designed and prepared via a simple solvothermal approach to remove the combined pollution of tetracycline and heavy metal Cr(VI) in water. The 0D WO3 nanoparticles adhered to
Changyu Lu, Delu Cao, Hefan Zhang, Luning Gao, Weilong Shi, Feng Guo, Yahong Zhou, Jiahao Liu   +7 more
doaj   +1 more source

Analysis and Optimization of Mixing Performance of the High-Temperature Gas Flow in a Mixing Chamber [PDF]

Journal of Applied Fluid Mechanics, 2023
A high-temperature gas mixing chamber is a type of mechanical device which has been widely used to obtain airflow at a specific high temperature. When a temperature environment test for aviation equipment is performed, the airflow temperature should ...
J. Chu, D. Zhu, W. Wang, B. Li, J. Du, G. Yang   +5 more
doaj   +1 more source

Hydrochemical Characteristics and Formation Mechanism of Strontium-Rich Groundwater in Shijiazhuang, North China Plain

Journal of Chemistry, 2021
Strontium is a kind of trace element. Groundwater containing strontium is called mineral water when its content reaches a level that is beneficial for human physiology. Some groundwater resources in Shijiazhuang are rich in strontium.
Duo Li, Shuang Gan, Junfeng Li, Zihan Dong, Qi Long, Shuwei Qiu, Yahong Zhou, Changyu Lu   +7 more
doaj   +1 more source

Spatiotemporal coastline variations in the Pearl River Estuary and the relationship with multiple human disturbances

Frontiers in Marine Science, 2022
Coastlines and estuaries as one of the most dynamic systems in the marine environment are influenced by not only natural factors but also various anthropogenic activities, but there have been limited comprehensive studies on the relationship between ...
Xin Li, Haiming Yan, Ying Yang, Zhihao Xu, Huicai Yang   +4 more
doaj   +1 more source

Pathway and mechanism study on improvement of N2 selectivity of catalytic denitrification

Journal of Saudi Chemical Society, 2023
Recently, nitrate pollution has attracted more public attention. In order to truly remove nitrate and reduce total nitrate content (TN) in water body, more harmless N2 should be converted from nitrate.
Shiyu Xue, Xueyou Wen, Yupan Yun
doaj   +1 more source

Structure of the human marker of self 5-transmembrane receptor CD47

Nature Communications, 2021
CD47 is a transmembrane receptor involved in the regulation of various signalling pathways and a promising target for immuno-oncology therapeutics. Here, the authors present the crystal structure of full-length human CD47 and provide insights into the ...
Gustavo Fenalti, Nicolas Villanueva, Mark Griffith, Barbra Pagarigan, Sirish Kaushik Lakkaraju, Richard Y.-C. Huang, Nadia Ladygina, Alok Sharma, David Mikolon, Mahan Abbasian, Jeffrey Johnson, Haralambos Hadjivassiliou, Dan Zhu, Philip P. Chamberlain, Ho Cho, Kandasamy Hariharan   +15 more
doaj   +1 more source

Thermal Environment Effects of Built-Up Land Expansion in Shijiazhuang

Land, 2022
Exploring the thermal environment effects of built-up land expansion can lay a firm foundation for urban planning and design. This study revealed the spatiotemporal dynamic characteristics of built-up land and heat island center points in Shijiazhuang ...
Ling Qin, Han Liu, Guofei Shang, Huicai Yang, Haiming Yan   +4 more
doaj   +1 more source