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Evaluating R&D efficiency of China’s listed lithium battery enterprises

Frontiers of Engineering Management   Pages 473-485 doi: 10.1007/s42524-022-0213-5

Abstract: To guide future policies and understand proper ways of promoting R&D efficiency, we looked into the lithiumResults revealed little indication of a meaningful improvement in R&D efficiency throughout our sampleThis finding was supported, as the results showed that the average technical efficiency of the 22 enterpriseswas 0.442, whereas the average pure technical efficiency was at 0.503, thus suggesting that they wereMoreover, they were experiencing increasing scale efficiency (IRS).

Keywords： Data Envelopment Analysis     R&D investment efficiency     China’s listed lithium battery enterprises     technicalefficiency     pure technical efficiency     scale efficiency    

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A data envelopment analysis of agricultural technical efficiency of Northwest Arid Areas in China

Yubao WANG, Lijie SHI, Haojie ZHANG, Shikun SUN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 195-207 doi: 10.15302/J-FASE-2017153

Abstract: Major findings of this paper were as follows: firstly, the average value of total technical efficiency, pure technical efficiency and scale efficiency of those irrigation districts in Northwest China weretechnical and scale efficiency respectively.Among inefficient decision-making units, total technical efficiency score varied from 0.313 to 0.966,showing significant geographical differences, but geographical differences of pure technical efficiency

Keywords： agricultural production efficiency     DEA model     input redundancy     irrigation districts     Northwest Arid Areas    

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Aerobic granulation of pure bacterial strain

ADAV Sunil S., LEE Duu-Jong

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 461-467 doi: 10.1007/s11783-008-0066-0

Abstract: The objective of this study is to cultivate aerobic granules by pure bacterial strain, , in a sequencing

Keywords： following     excellent settling     phenol/     sequencing     microscopic    

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Optimal design of steel portal frames based on genetic algorithms

CHEN Yue, HU Kai

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 318-322 doi: 10.1007/s11709-008-0055-1

Abstract: Based on a set of constraints of the Technical Specification for Light-weighted Steel Portal Frames ofFinally, some examples illustrate the effectiveness and efficiency of the genetic-algorithm-based optimal

Keywords： satisfactory     genetic-algorithm-based     Technical Specification     algorithm     efficiency    

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COMPARING PERFORMANCE OF CROP SPECIES MIXTURES AND PURE STANDS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 481-489 doi: 10.15302/J-FASE-2021413

Abstract: it attractive for developing a more sustainable agriculture, such as high yield, high resource use efficiency

Keywords： intercropping     species mixtures     meta-analysis     metrics     indicators    

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Photocatalytic degradation of polybrominated diphenyl ethers in pure water system

Min ZHANG,Jian LU,Yiliang HE,P Chris WILSON

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 229-235 doi: 10.1007/s11783-014-0762-x

Abstract: diphenyl ethers, organic solvent is usually added into the oxidation system to enhance the removal efficiencydecabromodiphenyl ether (BDE209), a type of polybrominated diphenyl ether used throughout the world, in pureIn the pure water system, BDE209 was not dissolved but dispersed as nano-scale particles with a meanrelatively high BDE209 degradation rate, the final debromination ratio (<50%) was much lower than that in pureThe photocatalytic degradation of BDE209 in the pure water system followed first-order kinetics.

Keywords： polybrominated diphenyl ethers     photocatalytic degradation     solvent    

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Influence of the filler materials on flux-free brazing of pure aluminium (1050)

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 47-51 doi: 10.1007/s11465-009-0079-9

Abstract: In the present study, samples of pure aluminium (1050) were deposited by cold spraying with filler materialsBesides, pure Si powder was also sprayed.

Keywords： aluminium     flux-free brazing     cold spraying     shear strength    

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Water Use Features of Typical Crops and Technical Modes of Modern Agriculture Irrigation in China

Baozhong Zhang, Zhigong Peng, Bo Lei, Lijuan Du, Lei Wang, Yu Liu

Strategic Study of CAE 2018, Volume 20, Issue 5,   Pages 77-83 doi: 10.15302/J-SSCAE-2018.05.012

Abstract:

A survey of field crop water use features, agricultural irrigation technicalagriculture irrigation systems is of instrumental and practical value to improve agricultural water use efficiencyMeanwhile, the technical features of modern agricultural irrigation are summarized and a policy assurance

Keywords： irrigation water requirement     water use efficiency     technical mode     modern agriculture    

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The solubility of cefquinome sulfate in pure and mixed solvents

Rongbao Qi,Jingkang Wang,Junxiao Ye,Hongxun Hao,Ying Bao

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 245-254 doi: 10.1007/s11705-016-1569-z

Abstract: The solubilities of cefquinome sulfate in five pure solvents (methanol, ethanol, ethylene glycol, aceticThe pure-solvent solubility data was correlated to the modified Apelblat and Van’t Hoff equations whereas

Keywords： cefquinome sulfate     solubility     thermodynamic properties    

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Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi

Rupesh CHALISGAONKAR, Jatinder KUMAR

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 201-214 doi: 10.1007/s11465-013-0256-8

Abstract: Toff), peak current (IP), wire feed (WF), wire tension (WT) and servo voltage (SV) using pure

Keywords： wire electro-discharge machining (WEDM)     Taguchi method     analysis of variance (ANOVA)     utility concept     cutting speed (CS)     surface roughness (SR)    

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Recycling of heat discharged from bearing quenching

WEN Xin-lin, CI Tie-jun, ZHANG Rong-ying, WEN Peng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 472-474 doi: 10.1007/s11465-006-0062-7

Abstract: In this paper, the technical method of cooling quench medium with air-cooler in the process of bearingapproach for full utilization of heat energy during heat treatment, which increased 30 % of the heat efficiency

Keywords： process     utilization     technical     efficiency     atmosphere    

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Development of Heavy-Duty Gas Turbines in China in the New Era

Shu Guogang, Yu Chunhua, Shen Guohua, He Ai, Wang Zhaofeng, Wang Xiaobo

Strategic Study of CAE 2022, Volume 24, Issue 6,   Pages 184-192 doi: 10.15302/J-SSCAE-2022.06.017

Abstract: The technical development directions of heavy-duty gas turbines include advanced materials and intelligentmanufacturing; flexible, low-pollution fuel consumption; high-efficiency aerodynamics and advanced cooling; intelligent measurement, control, operation, and maintenance of systems; and new high-efficiency power

Keywords： heavy-duty gas turbine     technical system     technical direction     high-efficiency power generation     power    

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Dielectric barrier micro-plasma reactor with segmented outer electrode for decomposition of pure CO

Baowei Wang, Xiaoxi Wang, Bo Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 687-697 doi: 10.1007/s11705-020-1974-1

Abstract: dielectric barrier discharge micro-plasma reactors were designed for the non-catalytic decomposition of puresegmented outer electrode micro-plasma reactor can give a higher CO conversion and acceptable energy efficiency

Keywords： CO2 decomposition     dielectric barrier discharge     segmented outer electrodes     electrical analysis     reactor design    

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Achieving High Strength and Tensile Ductility in Pure Nickel by Cryorolling with Subsequent Low-Temperature

Zhide Li,Hao Gu,Kaiguang Luo,Charlie Kong,Hailiang Yu,

Engineering doi: 10.1016/j.eng.2023.01.019

Abstract: cryorolling under different strains followed by low-temperature short-time annealing was used to fabricate pure

Keywords： Cryorolling     Annealing     Nickel     Strain hardening     Ductility    

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Removing polybrominated diphenyl ethers in pure water using Fe/Pd bimetallic nanoparticles

Min ZHANG,Jian LU,Zhencheng XU,Yiliang HE,Bo ZHANG,Song JIN,Brian BOMAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 832-839 doi: 10.1007/s11783-015-0778-x

Abstract: To enhance the degradation efficiency, ZVI/Palladium bimetallic nanoparticles (nZVI/Pd) were synthesized

Keywords： degradation     bimetallic nanoparticles     nanoscale zero-valent iron     polybrominated diphenyl ethers    

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Title Author Date Type Operation

Evaluating R&D efficiency of China’s listed lithium battery enterprises

Journal Article

A data envelopment analysis of agricultural technical efficiency of Northwest Arid Areas in China

Yubao WANG, Lijie SHI, Haojie ZHANG, Shikun SUN

Journal Article

Aerobic granulation of pure bacterial strain

ADAV Sunil S., LEE Duu-Jong

Journal Article

Optimal design of steel portal frames based on genetic algorithms

CHEN Yue, HU Kai

Journal Article

COMPARING PERFORMANCE OF CROP SPECIES MIXTURES AND PURE STANDS

Journal Article

Photocatalytic degradation of polybrominated diphenyl ethers in pure water system

Min ZHANG,Jian LU,Yiliang HE,P Chris WILSON

Journal Article

Influence of the filler materials on flux-free brazing of pure aluminium (1050)

Kirsten BOBZIN, Lidong ZHAO, Thomas SCHLAEFER, Thomas WARDA,

Journal Article

Water Use Features of Typical Crops and Technical Modes of Modern Agriculture Irrigation in China

Baozhong Zhang, Zhigong Peng, Bo Lei, Lijuan Du, Lei Wang, Yu Liu

Journal Article

The solubility of cefquinome sulfate in pure and mixed solvents

Rongbao Qi,Jingkang Wang,Junxiao Ye,Hongxun Hao,Ying Bao

Journal Article

Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi

Rupesh CHALISGAONKAR, Jatinder KUMAR

Journal Article

Recycling of heat discharged from bearing quenching

WEN Xin-lin, CI Tie-jun, ZHANG Rong-ying, WEN Peng

Journal Article

Development of Heavy-Duty Gas Turbines in China in the New Era

Shu Guogang, Yu Chunhua, Shen Guohua, He Ai, Wang Zhaofeng, Wang Xiaobo

Journal Article

Dielectric barrier micro-plasma reactor with segmented outer electrode for decomposition of pure CO

Baowei Wang, Xiaoxi Wang, Bo Zhang

Journal Article

Achieving High Strength and Tensile Ductility in Pure Nickel by Cryorolling with Subsequent Low-Temperature

Zhide Li,Hao Gu,Kaiguang Luo,Charlie Kong,Hailiang Yu,

Journal Article

Removing polybrominated diphenyl ethers in pure water using Fe/Pd bimetallic nanoparticles

Min ZHANG,Jian LU,Zhencheng XU,Yiliang HE,Bo ZHANG,Song JIN,Brian BOMAN

Journal Article