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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 wereAmong 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 efficiencywas more consistent with that of total technical efficiency; thirdly, input redundancy was evident.

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

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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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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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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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Development Trend for Technology of Vehicle Internal Combustion Engine

Su Wanhua,Zhang Zhongjie,Liu Ruilin and QiaoYingjun

Strategic Study of CAE 2018, Volume 20, Issue 1,   Pages 97-103 doi: 10.15302/J-SSCAE-2018.01.014

Abstract: High-efficiency, energy-saving, and clean new technologies for the automobile internal combustion engine

Keywords： internal combustion engine     technical advantages     development potential     new technology     high efficiency    

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Pathway to energy technical innovation and commercialization based on Internet plus DES

Huiping LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 65-78 doi: 10.1007/s11708-015-0391-5

Abstract: key issues for DES deployment were analyzed; five types of potential DES users and five key points of technical

Keywords： “Internet Plus”     distributed energy system (DES)     business model     technical innovation     commercialization    

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Family planning technical services in China

Shang-Chun WU

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 285-289 doi: 10.1007/s11684-010-0097-3

Abstract: Technical services are the key measures for implementing the family planning policy.introduction, and expansion of contraceptive methods, and also for establishment and revision of the technicalRemarkable success has been achieved in improving the quality of technical services.

Keywords： family planning     contraceptive method     service delivery    

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Creating technical heritage object replicas in a virtual environment

Olga EGOROVA,Dmitry SHCHERBININ

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 108-115 doi: 10.1007/s11465-016-0363-4

Abstract:

The paper presents innovative informatics methods for creating virtual technical heritage replicas3D modeling and animation of aircrafts, spaceships, architectural-engineering buildings, and other technical

Keywords： 3D document     history of science and technology     technical knowledge     popularization     virtual environment    

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The effect of different agricultural management practices on irrigation efficiency, water use efficiency

La ZHUO, Arjen Y. HOEKSTRA

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 185-194 doi: 10.15302/J-FASE-2017149

Abstract: This paper explores the effect of varying agricultural management practices on different water efficiencyindicators: irrigation efficiency (IE), crop water use efficiency (WUE), and green and blue water footprintImprovements in one water efficiency indicator may cause a decline in another.

Keywords： field management     irrigation efficiency     water footprint     water productivity     water use efficiency    

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On Social-technical Control of Safety Development in Economic Transition Background

Xue-qiu He,Song Li

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 234-240 doi: 10.15302/J-FEM-2015025

Abstract: Industrial safety and economic growth, two vital and inextricable forces affecting national culture and development, are worthy of much more interest and attention than this article can hope to generate. Following economic growth, industrial safety remains as a high priority in this nation’s quest for sustainable development. At present, while China is on its way to transforming its economic structure and growth models, talk of industrial safety appears with special regularity, for it also is undergoing profound changes as an important facet of modern China.

Keywords： safety development     economic growth     economic transition     social-technical control    

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IMPACTS OF TECHNICAL ENVIRONMENT ON THE ADOPTION OF ORGANIC FERTILIZERS AND BIOPESTICIDES AMONG FARMERS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1,   Pages 31-47 doi: 10.15302/J-FASE-2023482

Abstract:

● Farmer adoption of organic fertilizer and biopesticides was found to be positively correlated.

Keywords： biopesticides     green production     organic fertilizer     technical environment    

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Influences of Technical Innovation Mode on Innovation Strategy of Energy Enterprises

Lu Zhang,Dan-dan Wang,Min Wang,Ning Hui

Frontiers of Engineering Management 2016, Volume 3, Issue 3,   Pages 283-289 doi: 10.15302/J-FEM-2016048

Abstract: Technical innovation is the core for enterprise competence and sustaining.Technical innovation strategy is the policy which the enterprise carries out for technology innovation

Keywords： energy enterprise     technical innovation     innovation strategy    

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Improving the efficiency and effectiveness of global phosphorus use: focus on root and rhizosphere levels

Uwe LUDEWIG, Lixing YUAN, Günter NEUMANN

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 357-365 doi: 10.15302/J-FASE-2019275

Abstract: Unfortunately, plant physiologists, agronomists, farmers and end users employ different measures for P use efficiency

Keywords： acquisition efficiency     plant growth promoting rhizobacteria     phosphate     use efficiency     utilization efficiency    

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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

Optimal design of steel portal frames based on genetic algorithms

CHEN Yue, HU Kai

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

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

Development Trend for Technology of Vehicle Internal Combustion Engine

Su Wanhua,Zhang Zhongjie,Liu Ruilin and QiaoYingjun

Journal Article

Pathway to energy technical innovation and commercialization based on Internet plus DES

Huiping LIU

Journal Article

Family planning technical services in China

Shang-Chun WU

Journal Article

Creating technical heritage object replicas in a virtual environment

Olga EGOROVA,Dmitry SHCHERBININ

Journal Article

The effect of different agricultural management practices on irrigation efficiency, water use efficiency

La ZHUO, Arjen Y. HOEKSTRA

Journal Article

On Social-technical Control of Safety Development in Economic Transition Background

Xue-qiu He,Song Li

Journal Article

IMPACTS OF TECHNICAL ENVIRONMENT ON THE ADOPTION OF ORGANIC FERTILIZERS AND BIOPESTICIDES AMONG FARMERS

Journal Article

Influences of Technical Innovation Mode on Innovation Strategy of Energy Enterprises

Lu Zhang,Dan-dan Wang,Min Wang,Ning Hui

Journal Article

Improving the efficiency and effectiveness of global phosphorus use: focus on root and rhizosphere levels

Uwe LUDEWIG, Lixing YUAN, Günter NEUMANN

Journal Article