Results 11 to 20 of about 8,292,072 (268)
DEVELOPMENT OF UAV AIR ROADS BY USING 3D GRID SYSTEM [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 With the drastic development of low-altitude UAV (Unmanned Aerial Vehicle) technology, UAV will be used for long-distance logistics in the near future. Many countries begin to develop UTM (UAV Traffic Management) system, and one of the objectives for the
J. Youn +4 more
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Hangkong gongcheng jinzhan, 2023 The available quantitative evaluation method of the importance of civil aviation engine customer demand cannot meet the needs of civil aviation development.Kano model and quality function deployment (QFD) method are used to propose an improved importance
WANG Xianghui
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OIL PRICE AND EXCHANGE RATE VOLATILITY IN NIGERIA [PDF]
Oradea Journal of Business and Economics, 2021 This study examined oil price influence on the Nigeria exchange rate volatility spanning the retro of thirty five (35) years. The Simultaneous equation modeling of Granger causality test and Vector Error Correction Model (VECM) techniques were adopted ...
Lawson E. Igbinovia +1 more
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Research on Air Supply Volume and Temperature Control of Subway Trains Based on Passenger Capacity
Atmosphere, 2023 There is currently no way for subway air-conditioning systems to adjust to changes in passenger capacity in terms of air-supply volume and air-supply temperature.
Zhiyuan Liu +6 more
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Micromachines, 2023 There is an increasing demand for the use of automotive sensors where complex working environments may easily lead to failure. Wire pull and shear test models based on finite-element analysis are established to evaluate their reliability by investigating
Yameng Sun +7 more
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EnergiesThe frequency regulation problem of the power system under the scenario of a high proportion of new energy access has attracted attention. It has become an important technical means for new energy to reserve a certain amount to participate in system ...
Yichao Jia +7 more
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Impact of coffee exports on economic growth in Ethiopia; An empirical investigation
Cogent Economics & Finance, 2022 The major objective of this study was to examine the impact of Coffee exports on economic growth in Ethiopia. The study employed an extended generalized Cobb–Douglas production function model using data from the National Bank of Ethiopia and World Bank ...
Netsanet Gizaw +2 more
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Complex & Intelligent SystemsSurrogate-assisted evolutionary algorithms provide an effective means for complex and computationally expensive optimization problems. However, due to the scarcity of training samples, the prediction accuracy of frequently-used regression surrogate ...
Min Hu +6 more
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Pediatric Blood &Cancer, EarlyView.ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider +15 more
wiley +1 more source
Seismic Response Analysis and Connection Performance Evaluation of a Hybrid Coupled PEC Wall System
Advances in Civil Engineering, 2020 This paper proposes a hybrid coupled partially encased composite (PEC) wall system, obtained through the connection of two PEC walls by means of the shear critical steel coupling beams with an innovative welded connection.
Yun Shi +6 more
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