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- Sanchez-Solano, Karem G., et al.
(författare)
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Non-visual senses in fruit selection by the mantled howler monkey (Alouatta palliata)
- 2022
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Ingår i: Primates. - : SPRINGER JAPAN KK. - 0032-8332 .- 1610-7365. ; 63, s. 293-303
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Tidskriftsartikel (refereegranskat)abstract
- There is extensive knowledge about the visual system and the implications of the evolution of trichromatic color vision in howler monkeys (genus Alouatta) related to food selection; however, information about the other sensory systems is limited. In this study we assessed the use of touch, sniffing, and taste in fruit evaluation by 20 adult mantled howler monkeys (Alouatta palliata) on Agaltepec Island, Mexico. During 9 months of observation, we recorded the frequency that each monkey used touch, sniffing, and taste in evaluating cryptic fruits (that remain green during their ripening process) and conspicuous fruits (with red, yellow, or orange colorations when they are ripe). Sucrose content and hardness measurements were made to establish the degree of ripeness of the fruits. We found that mantled howler monkeys used long behavioral sequences during conspicuous fruit investigations. Sniffing was used infrequently, but significantly more often in the evaluation of conspicuous-ripe and unripe fruits compared to cryptic-ripe and unripe fruits. During the evaluation of cryptic-ripe fruits, mantled howler monkeys increased the use of touch compared to evaluating cryptic-unripe fruits. We did not find significant differences in the use of taste in the evaluation of cryptic and conspicuous fruits (both ripe and unripe). Our results suggest that the non-visual senses play an essential role in fruit selection by howler monkeys, with differences in the behavioral strategy according to the fruits conspicuity. The multimodal signals of ripe and unripe fruits allow the howler monkeys to assess their palatability before being consumed.
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- Schneiter, E. Matias, et al.
(författare)
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3D MHD simulation of polarized emission in SN 1006
- 2015
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Ingår i: Monthly notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 449:1, s. 88-93
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Tidskriftsartikel (refereegranskat)abstract
- We use three-dimensional magnetohydrodynamic simulations to model the supernova remnant SN 1006. From our numerical results, we have carried out a polarization study, obtaining synthetic maps of the polarized intensity, the Stokes parameter Q, and the polar-referenced angle, which can be compared with observational results. Synthetic maps were computed considering two possible particle acceleration mechanisms: quasi-parallel and quasi-perpendicular. The comparison of synthetic maps of the Stokes parameter Q maps with observations proves to be a valuable tool to discern unambiguously which mechanism is taking place in the remnant of SN 1006, giving strong support to the quasi-parallel model.
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- Cárdenas-Barrón, L.E., et al.
(författare)
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Inventory model optimization revisited: Understandingservice inventories to improve performance
- 2020
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Ingår i: Scientia Iranica. International Journal of Science and Technology. - : Sharif University of Technology, Scientia Iranica. - 1026-3098 .- 2345-3605. ; 27:3, s. 1572-1592
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Tidskriftsartikel (refereegranskat)abstract
- Services are increasingly important in the modern economy, for both service and manufacturing firms, yet inventory literature has been focused mainly on physical goods and, only a few studies have included services in optimization. On the other side, traditional service management literature relies on an extremely narrow definition of inventory that excludes services, because they are perishable. Thus, there is a lack of research in the link between inventory optimization and service management. However, according to a new service inventory approach, businesses components such as tasks or information, as different from physical goods, can be performed and stored in anticipation of service demand as a form of service inventory—that is, inventorying by anticipation rather than delaying the service. This article aims to contribute to this lack of research by proposing a service inventory optimization model that integrates a service orientation to optimize tasks and information to be performed in advance. In contrast with traditional inventory models, where the objective is to optimize physical items, in this approach physical products whenever included, constitute only mechanisms for service provision. This service inventory model contributes to optimize the quantity of tasks or information to be anticipated and thus provides benefits for customers.
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- Carrillo, F. J., et al.
(författare)
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Alignment of resources, actors and contexts for value creation : Bringing knowledge management into service-dominant logic
- 2019
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Ingår i: International Journal of Quality and Service Sciences. - Bingley : Emerald Group Publishing Limited. - 1756-669X .- 1756-6703. ; 11:3, s. 424-438
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Tidskriftsartikel (refereegranskat)abstract
- This paper aims to deepen the understanding of resource integration for value co-creation within service-dominant logic (SDL), by drawing on key knowledge management (KM) concepts. Design/methodology/approach: This conceptual study introduces three key KM concepts, namely, object, agent and context to SDL; thus, deepening the understanding of how resources are becoming when actors are engaged in co-creating value-in-context. Findings: This paper extends understanding of actors’ uses of knowledge in their efforts to co-create value. Paradoxically, SDL takes a phenomenological approach to understanding value co-creation, whereas KM embraces a realist-phenomenological view. Emphasizing knowing rather than knowledge reveals that there is no object without an agent, no agency without context and no knowledge without value-alignment. Thus, the paper contributes to theorizing about resource integration through SDL by identifying the need for effective alignment between relevant objects, capable agents and meaningful contexts for value to emerge. The paper also contributes with four facilitators of object-agent-context alignment: tacit knowledge contextualization, collective sensemaking, shared values among engaged actors and feedback on alignment effectiveness. Originality/value: It advances current conceptualizations of resource integration and value co-creation in SDL by paying explicit attention to a KM perspective. © 2019, Emerald Publishing Limited.
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