Results 11 to 20 of about 799,220 (268)

The role of initial grain size on bimodal-grained microstructure and mechanical properties of an extruded Mg-Gd-Y-Nd-Zr alloy

open access: yesJournal of Materials Research and Technology, 2023
:: Influence of initial grain size on the formation of bimodal-grained microstructure and mechanical properties of a Mg-11Gd-3Y-0.5Nd–Zr alloy was investigated.
Changping Tang   +6 more
doaj   +1 more source

On the use of techno‐economic evaluation on typical integrated energy technologies matching different companies

open access: yesThe Journal of Engineering, 2021
This paper mainly establishes the cost‐benefit model for techno‐economic evaluation on typical integrated energy technologies matching different companies including photovoltaic, electric heat storage, ground source heat pump etc.
Zhenyu Wang   +6 more
doaj   +1 more source

The effects of cyclic-strengthening interrupted aging on the microstructure evolution and stress corrosion resistance of aluminum alloy [PDF]

open access: yesMATEC Web of Conferences
The stress corrosion is likely to occur in high-strength aluminium alloys especially in corrosive environments, which is a key factor affecting the service safety of aluminium alloy components.
Chen Yuqiang   +4 more
doaj   +1 more source

Carbon emissions management efficiency evaluation based on indicator information integration and DEA-Malmquist index

open access: yesFrontiers in Environmental Science, 2023
The completeness of indicator information is a critical issue that requires further investigation in the evaluation of carbon emissions management efficiency.
Fei-Fei Ye, Si-Rui Han, Hai-Tian Lu
doaj   +1 more source

Stable and Efficient Policy Evaluation [PDF]

open access: yesIEEE Transactions on Neural Networks and Learning Systems, 2019
IEEE Transactions on Neural Networks and Learning Systems (IEEE-TNNLS).
Daoming Lyu   +5 more
openaire   +3 more sources

Innovative Development of Circular Systems While Ensuring Economic Security in the Industry

open access: yesJournal of Open Innovation: Technology, Market and Complexity, 2022
This article is devoted to the formation of methodological foundations of the circular economy on the safety of industrial enterprises. The dependence of the system of economic security from the circular economy concept is implemented by the 3 R model ...
Aleksandra Kuzior   +3 more
doaj   +1 more source

Efficient knowledge graph accuracy evaluation [PDF]

open access: yesProceedings of the VLDB Endowment, 2019
Estimation of the accuracy of a large-scale knowledge graph (KG) often requires humans to annotate samples from the graph. How to obtain statistically meaningful estimates for accuracy evaluation while keeping human annotation costs low is a problem critical to the development cycle of a KG and its practical applications. Surprisingly, this challenging
Gao, Junyang   +5 more
openaire   +2 more sources

Assessing the Efficiency and CO2 Reduction Performance of China’s Regional Wind Power Industry Using an Epsilon-Based Measure Model

open access: yesFrontiers in Energy Research, 2021
China has become the largest wind power installation market in the world, and on such a large scale its wind power industry contributes to the sustainability of electricity generation and reduction of carbon emissions, yet has problems such as wind ...
Ze Tian   +3 more
doaj   +1 more source

New Method for Efficiency Evaluation of Digital Technologies in Agricultural Sector [PDF]

open access: yesТехника и технология пищевых производств, 2019
The paper features digital technologies in satellite farming and introduces a quantitative methodology to evaluate various types of their effectiveness.
Rada A., Fedulova E., Kosinsky P.
doaj   +1 more source

Investment merger efficiency evaluation of energy enterprises: From a perspective of energy internet

open access: yesFrontiers in Environmental Science, 2022
Evaluating the efficiency of energy enterprises’ investment merger in the energy Internet sector can be a visual measure of the effectiveness of their investment merger in this sector.
Yirui Deng   +5 more
doaj   +1 more source

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