Results 21 to 30 of about 251,567 (156)

Accelerate the discovery of OCM catalysts with machine-learning and machine-synthesis

Discover Catalysis
Oxidative coupling of methane (OCM) reaction is crucial for converting natural gas into value-added chemicals like ethylene. Despite the development of over 2000 catalysts, achieving a C2 (C2H4 + C2H6) yield of 30% necessary for industrial viability ...
Jifeng Ouyang, Yutao Ren, Shihui Zou, Xutao Chen, Jie Fan   +4 more
doaj   +1 more source

High-efficiency leaching of valuable metals from saprolite laterite ore using pickling waste liquor for synthesis of spinel-type ferrites MFe2O4 with excellent magnetic properties

Journal of Materials Research and Technology, 2021
High-efficiency leaching of valuable metals from nickeliferous laterite ore for preparation of functional materials is one of the most important high-value utilization pathways.
Jian-ming Gao, Zongyuan Du, Shujia Ma, Fangqin Cheng, Peng Li   +4 more
doaj   +1 more source

Sequential oxygen evolution and decoupled water splitting via electrochemical redox reaction of nickel hydroxides

Nature Communications
Alkaline water electrolysis is a promising low-cost strategy for clean and sustainable hydrogen production but is largely limited by the sluggish anodic oxygen evolution reaction and the challenges in maintaining adequate separation between H2 and O2 ...
Jie Wei, Yangfan Shao, Jingbo Xu, Fang Yin, Zejian Li, Haitao Qian, Yinping Wei, Liang Chang, Yu Han, Jia Li, Lin Gan   +10 more
doaj   +1 more source

Reactor performance and membrane fouling of a novel submerged aerobic granular sludge membrane bioreactor during long-term operation

Journal of Water Reuse and Desalination, 2019
The aerobic granular sludge membrane bioreactor (AGS-MBR) has the potential for simultaneous carbon/nitrogen removal and membrane fouling mitigation. Most studies have focused on comparison of granular sludge MBR and flocculent sludge MBR in short-term ...
Jianfeng Li, Yanjun Liu, Xiaoning Li, Fangqin Cheng   +3 more
doaj   +1 more source

Simulated decadal variations of surface and subsurface phytoplankton in the upstream Kuroshio Extension region

Progress in Earth and Planetary Science, 2022
Using outputs from an ecosystem model embedded in an eddy-resolving ocean general circulation model that can realistically simulate decadal modulations of the Kuroshio Extension (KE) between stable and unstable states, decadal variations of phytoplankton
Tomoki Tozuka, Yoshikazu Sasai, Sayaka Yasunaka, Hideharu Sasaki, Masami Nonaka   +4 more
doaj   +1 more source

Seasonal predictability of tropical cyclone frequency over the western North Pacific by a large-ensemble climate model

npj Climate and Atmospheric Science
We assessed the seasonal prediction skill of tropical cyclone (TC) frequency over the western North Pacific by the large-ensemble SINTEX-F dynamical system. Although the prediction skills were limited, the correlation skill for the June–August prediction
Takeshi Doi, Tadao Inoue, Tomomichi Ogata, Masami Nonaka   +3 more
doaj   +1 more source

Electromagnetic Characteristics of Dual-Air-Gap Surface Permanent Magnet Synchronous Motor

Machines, 2023
This paper introduces a novel dual-air-gap surface permanent magnet synchronous motor (DAG-SPMSM) and investigates its electromagnetic characteristics.
Kwang-Il Jeong, Reza Heidari, Do-Hyun Kang, Tae-Jun Ahn, Gwan Soo Park, Jin-Woo Ahn, Grace Firsta Lukman   +6 more
doaj   +1 more source

Magnetic Screen Effects on Torque Ripple and Efficiency of Dual Air-Gap Surface Permanent Magnet Synchronous Motor

Energies, 2023
Electric motors with a double air-gap structure offer increased power or torque density compared to their single air-gap counterparts, achievable through double-stator or double-rotor configurations.
Kwang-Il Jeong, Reza Heidari, Do-Hyun Kang, Tae-Jun Ahn, Gwan Soo Park, Jin-Woo Ahn, Grace Firsta Lukman   +6 more
doaj   +1 more source

Stabilization of Multicationic Redox Chemistry in Polyanionic Cathode by Increasing Entropy

Advanced Science, 2022
Polyanionic compounds have large compositional flexibility, which creates a growing interest in exploring the property limits of electrode materials of rechargeable batteries.
Huangxu Li, Ming Xu, Huiwu Long, Jingqiang Zheng, Liuyun Zhang, Shihao Li, Chaohong Guan, Yanqing Lai, Zhian Zhang   +8 more
doaj   +1 more source

Defect engineering of high-loading single-atom catalysts for electrochemical carbon dioxide reduction

Materials Reports: Energy, 2023
Electrochemical carbon dioxide reduction reaction (CO2RR) provides an attractive approach to carbon capture and utilization for the production high-value-added products.
Yang Li, Zhenjiang He, Feixiang Wu, Shuangyin Wang, Yi Cheng, Sanping Jiang   +5 more
doaj   +1 more source