Abstract The supply chains of perishable food (PFSC) fresh, present imbalances between and demand, in times deficit is necessary to guarantee the security through availability, access other pillars. In PFSC losses are highest, whereby delivery must be low availability. For access, include largest number retailed storekeepers, thus monopolies from large hypermarkets avoided. this context, modeli...

We consider the problem of 2-node cooperation for cellular networks. In the considered system, a node and a cooperative relay are selected in a proportionally fair (PF) manner to transmit to the base station (BS), which uses the maximal ratio combining (MRC) for reception. The proposed scheme integrates the PF criterion in selective cooperation to maximize the overall utility of all 2-node coop...

Purpose This paper aims to explore the potential of blockchain technology (BT) support operational excellence in perishable food supply chain (PFSC) during outbreaks, by doing use-case analysis. Design/methodology/approach A systematic literature review is performed determine dimensions (FSC), then a single analysis conducted order achieve for PFSC pandemics applying context, interventions, mec...

Internet of Things (IoT) approach is empowering smart city creativities all over the world. There is no specific tool or criteria for the evaluation of the services offered by the smart city. In this paper, a new Multilayer Fuzzy Inference System (MFIS) is proposed for the assessment of the Planet Factors of smart city (PFSC). The PFSC system is categorized into two levels. The proposed MFIS ba...

Purpose: The location of actors and production, transformation, commercialization distribution facilities generate the configuration perishable food supply chain (PFSC). logistics network design (LND) lead to different supply, storage environments result in flows, these operations have an impact on performance fresh agricultural products. Specifically, PFSC with seasonality, a temporary imbalan...

The yield and quality of maize grains are determined by genotype environmental factors. Through a systematic comparison the density effects different plant-type varieties grown on land under four ecological environments in certain province, differences regions, reasons for were analyzed. results showed that light, accumulated temperature, precipitation important differences, these factors also ...

The purpose of this study was to evaluate some of the methods used to calculate objective refractions from wavefront aberrations, to determine their applicability for accommodation research. A wavefront analyzer was used to measure the ocular aberrations of 13 emmetropes and 17 myopes at distance, and 4 near target vergences: 2, 3, 4, and 5 D. The accommodative response was calculated using the...

In this study, transplanting cotton seedlings grown in artificial substrate is considered due to recent increased interest in cotton planting labor saving approaches. The nursery methods used for growing cotton seedlings affect root growth. However, the underlying functional responses of root growth to variations in cotton seedling transplanting methods are poorly understood. We assessed the re...

Previously unresolved problems in the populations studies of the Pribilof fur seal are reviewed. The tagging estimates of fur seal pups may have been biased by tag mortality and hence the apparent year class fluctuations after 1952 may be unreal. A set of cumulative estimates are given for the number of pups born in each year since 1950. These cumulative estimates depend on the estimate of the ...