Results 81 to 90 of about 4,598,303 (269)
MachinesTraditional grinding, which is predominantly performed with a negative rake angle (NRA), can be transformed into grinding with a positive rake angle (PRA) by employing femtosecond pulsed laser technology to modify the apex angle of the grains to be less ...
Jiu Yin +4 more
doaj +1 more source
Bifunctional Catalysis Drives Efficient and Ethanol‐Producing Aqueous Zn‐CO2 Batteries
Advanced Materials, EarlyView.A unified bifunctional catalyst breaks the trade‐off between CO2 reduction and O2 evolution, delivering high efficiency, ethanol production, and long‐term stability in Zn‐CO2 batteries while revealing degradation pathways for next‐generation bifunctional electrocatalysts.
Divyani Gupta +9 more
wiley +1 more source
SIMULATION AND ANALYSIS OF COMPOUND ABRASIVE GRINDING PERFORMANCE OF SPIRAL BEVEL GEARS (MT)
Jixie qiangdu, 2023 The grinding of spiral bevel gears is a nonlinear and dynamic complex process. It is significant to explore the complex grinding mechanism of spiral bevel gears by simulating the grinding process based on finite element method.
LIU Bin +4 more
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Increasing Lipid Nanoparticle mRNA Copy Number Improves Transfection Potency
Advanced Materials, EarlyView.As lipid nanoparticle (LNP) systems are the leading platform for in vivo nucleic acid delivery, improving transfection potency of these systems is of considerable interest. In this work, we explored a post‐mixing formulation method involving a two‐step buffer exchange that increased the number of mRNA copies within each LNP while reducing the number of
Yao Zhang +12 more
wiley +1 more source
Jin'gangshi yu moliao moju gongcheng, 2020 To take advantages of high-speed grinding to improve the high-efficiency precision machining of particulate reinforced titanium matrix composites (PTMCs), it is necessary to further understand the grinding performance of high-speed grinding PTMCs with ...
LI Zheng, LIU Ying, DING Wenfeng
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Review of Research on Tooth Surface Error Control of Large CNC Gear Form Grinding
Jixie chuandong, 2022 Compared with the worm wheel gear grinding，gear form grinding is suitable for high efficiency grinding of large diameter and large modulus gears，despite difficulties concerning with grinding precision control，precise modification of tooth profile and ...
Zhiwei Chen +3 more
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Advanced Materials, EarlyView.Oxidized Nd‐Fe‐B magnet swarf is transformed into valuable bulk feedstock through a single‐step hydrogen plasma process. The reaction converts complex rare‐earth‐containing waste into separated metallic, oxide, and hydride fractions without acid leaching.
Naritai Chimed +9 more
wiley +1 more source
Advanced Materials Interfaces, EarlyView.Persistent Luminescence of doped SrAl2O4:Eu2+, Dy3+ formulated in polymer matrices is a promising solution to be integrated in building envelopes for enhancing Passive Daytime Radiative Cooling. ABSTRACT Persistent Luminescent (PersL) materials have found applications in several fields; their integration into passive daytime radiative cooling systems ...
Roberto Bondi +5 more
wiley +1 more source
Numerical Simulation and Analysis of Cycloidal Gear Forming Grinding Temperature Field
Jixie chuandong, 2018 Forming grinding process is one of the methods for finishing the cycloidal gear. When the grinding process parameters are not suitable,the instantaneous heat generated in the grinding zone will cause the tooth surface burn.
Ke Qingxun +4 more
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Jin'gangshi yu moliao moju gongcheng, 2021 The comparative grinding test of FGH96 powder metallurgy superalloy was carried out with brazed CBN wheel and ceramic CBN wheel. The grinding performance of CBN wheel was evaluated from the dimensions of grinding force and temperature, surface roughness ...
ZHANG Xi, LI Benkai, DING Wenfeng
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