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السجلات المعروضة 71 -- 80 من 231
Integrated planning of spare parts and service engineers with partial backlogging
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Springer Verlag
, 2017 , Article)
In this paper, we consider the integrated planning of resources in a service maintenance logistics system in which spare parts supply and service engineers deployment are considered simultaneously. The objective is to ...
Determinants of Intra-GCC Food Trade
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Taylor and Francis Inc.
, 2017 , Article)
Using panel data for six Gulf Cooperation Council (GCC) countries from 1995-2014, we assess the impacts of several major economic variables on intra-GCC food exports, and on GCC food exports to the world. The GCC customs ...
Hedgehogs on the move: Testing the effects of land use change on home range size and movement patterns of free-ranging Ethiopian hedgehogs
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Public Library of Science
, 2017 , Article)
Degradation and alteration of natural environments because of agriculture and other land uses have major consequences on vertebrate populations, particularly on spatial organization and movement patterns. We used GPS ...
Securing Untrusted RF-EH Relay Networks Using Cooperative Jamming Signals
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Institute of Electrical and Electronics Engineers Inc.
, 2017 , Article)
We propose a new scheme to secure a wireless-powered untrusted cooperative-communication network, where a legitimate source node (Alice) transmits her information messages to a legitimate destination node (Bob) through the ...
Experimental determination and computational fluid dynamics predictions of pressure loss in close-coupled elbows (RP-1682)
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Taylor and Francis Inc.
, 2017 , Article)
An experimental program was implemented to study pressure losses in HVAC duct systems associated with 305 mm (12 in.) diameter close-coupled round five-gore elbows. The goal of this program was to experimentally verify a ...
DEMATEL-ANP risk assessment in oil and gas construction projects
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MDPI AG
, 2017 , Article)
Oil and gas construction projects are complex and risky because of their dynamic environment. Furthermore, rising global energy demand has increased the need for trustworthy risk assessment models for such projects that ...
Country and gender-specific achievement of healthy nutrition and physical activity guidelines: Latent class analysis of 6266 university students in Egypt, Libya, and Palestine
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MDPI AG
, 2017 , Article)
Research on healthy behaviour such as physical activity and healthy nutrition and their combination is lacking among university students in Arab countries. The current survey assessed healthy nutrition, and moderate/vigorous ...
Correlations between socioeconomic drivers and indicators of urban expansion: Evidence from the heavily urbanised Shanghai metropolitan area, China
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MDPI AG
, 2017 , Article)
Rapid urban expansion resulting in increased impervious surfaces causes a series of urban environmental problems, e.g., the urban heat island and urban forest fragmentation. Urban expansion is a serious threat to human ...
Impact of the Wireless Network's PHY Security and Reliability on Demand-Side Management Cost in the Smart Grid
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Institute of Electrical and Electronics Engineers Inc.
, 2017 , Article)
We investigate the impact of the wireless network's physical layer (PHY) security and reliability on demand-side management operation in the smart grid. We assume that consumers communicate their energy demands with the ...
Thermal comfort investigation of an outdoor air-conditioned area in a hot and arid environment
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Taylor and Francis Inc.
, 2017 , Article)
Thermal comfort in hot and arid outdoor environments is an industrial challenging field. An outdoor air-conditioned area was designed and built to host sport and social events during summers 2014 and 2015 in Qatar. This ...