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In this paper, an inventory model with finite and constant replenishment rate, price dependant demand rate, time value of money and inflation, finite time horizon, lead time and exponential deterioration rate and with the objective of maximizing the present worth of the total system profit is developed. Using a dynamic programming based solution algorithm, the optimal sequence of the cycles can be
The 1970s saw the rise of two unrelated and yet affine historical concepts: Late Antiquity (Brown 1971) and Post-Modernism (Lyotard 1979). It is almost as if the breakdown of Antiquity in the way it had been traditionally understood, clearly delineated from the Middle Ages and the Byzantine Empire, heralded the dissolution of the Modern Western self-understanding and everything that went with it.
This thesis explores the relationship between AI, security, and social sustainability as a sociotechnical system, analyzing the implications and perspectives that arise from this understanding. It represents a culmination of four articles that rely on both conceptual insights and empirical findings. The articles incorporate diverse perspectives to enhance the comprehension of AI’s effects on socia
Denna avhandling undersöker performativa protesters möjligheter att utmana epistemiskt våld och omforma antagonistiska relationer genom agonistiskt engagemang i den djupt asymmetriska och polariserade kontexten i Palestina och Israel. Studien baseras på etnografiska fältarbeten – inklusive 35 intervjuer och 57 deltagande observationer – genomförda på olika platser i städer såsom Jerusalem, Tel AviThis dissertation explores the potential of performative protest to challenge epistemic violence and reconfigure antagonistic relations through agonistic engagement in the deeply asymmetrical and polarised context of Palestine and Israel. Drawing on multi-sited ethnographic fieldwork—including 35 interviews and 57 participant observations—conducted across diverse locations such as Jerusalem, Tel A
We describe the synthesis and characterization of gold clusters embedded into poly (3-hydroxy octanoate-co-3-hydroxy-10-undecenoate) (PHOU), and evaluated the tissue response of the material upon implantation onto muscle tissue (rat). For this aim, PHOU was obtained by Pseudomonas oleovorans from octanoic acid (OA) and 10-undecenoic acid (UA) with a weight ratio of 50:50. The unsaturated co-polyes
In this paper we study the evolution of radiative fluxes, flux radii and observable dust masses in protoplanetary discs, in order to understand how these depend on the angular momentum budget and on the assumed heat sources. We use a model that includes the formation and viscous evolution of protoplanetary gas discs, together with the growth and radial drift of the dust component. We find that we
Water markets are increasingly advocated for combating agricultural water scarcity. However, in developing countries’ arid and semiarid regions, water market performance is greatly weakened by the insufficient demand-side and supply-side driving forces stemming from farmers’ limited awareness and capacity. Building an agent-based model and taking Hami City, Xinjiang in northwestern China as the ca
AIMS: Comparisons of international practice patterns and their impact on percutaneous coronary intervention (PCI) outcomes are lacking. We compared temporal PCI trends between Sweden and a large university hospital system in the US.METHODS AND RESULTS: Data within the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) and the University of California San Diego Health internal National C
Water flows through time are connected to specific instances of socionatural and sociotechnical assemblages of human and non-human components. We propose the concept of “water palimpsest” in order to characterize the complex histories of chemical and metabolic alterations embodied in water flows, potentially disruptive for humans and other living beings. Through the concept of palimpsest we interp
At the intersection of natural and social sciences, interest in river sedimentary fluxes and their alteration by human activities is increasing in the context of general retreat of delta formations. Since the 1950s, the construction of large dams in the main course of rivers has produced, among other impacts, a radical decrease in sedimentary fluxes — a key factor in the worldwide sedimentary cris
In the context of the space race, space science became an area of collaboration between the Spanish dictatorship and the United States of America during the 1960s. The Francoist regime leveraged its collaboration in the space race as an internal tool for political legitimization. This article examines the role of science popularization in this legitimization process by focusing on the TV show Amig
The formation of the intermetallic 𝜎 phase (space group 𝑃42/𝑚𝑛𝑚) has a detrimental effect on the ductility of transition-metal alloys. This theoretical study uses first-principles calculations to investigate the stability and thermodynamic properties of the WRe and WOs 𝜎 phases. Our study indicates that the 𝜎 phase becomes thermodynamically stable at its ideal composition for temperature
Age-Friendly Cities and Communities (AFCC) is a key global WHO initiative aimed at fostering environments that promote healthy aging for everyone. As AFCC initiatives continue to expand, there is an increasing need to enhance monitoring and evaluation systems to effectively assess their progress and impact. However, significant knowledge gaps persist, particularly in the development of evaluation
Background: The ECG is important in the diagnosis and triage of the acute coronary syndrome (ACS), especially in the hyperacute phase, the "golden hours," during which myocardial salvage possibilities are largest. An important triaging decision to be taken is whether or not a patient requires primary PCI, for which, as mentioned in the guidelines, the presence of an ST elevation (STE) pattern in t
Nanoparticles interfere with protein amyloid formation. Catalysis of the process may occur due to increased local protein concentration and nucleation on the nanoparticle surface, whereas tight binding or a large particle/protein surface area may lead to inhibition of protein aggregation. Here we show a clear correlation between the intrinsic protein stability and the nanoparticle effect on the ag
The electromagnetic polarizabilities of the nucleon are fundamental properties that describe its response to external electric and magnetic fields. They can be extracted from Compton-scattering data-and have been, with good accuracy, in the case of the proton. In contradistinction, information for the neutron requires the use of Compton scattering from nuclear targets. Here, we report a new measur
The aim of this study is to evaluate the prevalence and severity of low back pain (LBP) and the influence of sciatica and neurological deficits in old men.
Abstract in UndeterminedA line has been drawn between the dialects of Oman and those of the coastal Gulf states in classifications of the Arabic dialects of the Arabian Peninsula (Johnstone 1967; Holes 1989 Holes 1996). Most studies reporting on this divide have dealt with the phonology, morphology and, to some extent, lexis. Little is known, however, about the degree to which these dialectal grou
