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In this paper new modeling techniques of (S- 1 , S) inventory systems (continuous review base-stock inventory systems) with state dependent demand rates are proposed. Examples of single-location (S- 1 , S) inventory systems where the demand, experienced by the system, varies due to the state of the system are, e.g., inventory models with partial backorders, inventory models with lost sales, invent

The general aim of the research programme SPEAK (Sustainable Planning andEnvironmental Assessment Knowledge, www.speakproject.se) was to generateknowledge on, and to strengthen the role of strategic environmental assessment(SEA) in planning as a measure to attain the environmental quality objectives andto promote sustainable development. The SPEAK programme had atransdisciplinary point of departur

White-light supercontinuum generation can be readily observed when gold nanostructures are irradiated with short pulses of light. It is believed that the nanostructures enhance the optical fields, which facilitates the supercontinuum white-light generation from the surrounding environment or the substrate. Here, we investigate the different nonlinear processes that contribute to the generation of

The interest in miniaturization of modern chemical and medical sensors is steadily increasing. However, when employing methods and fabrication procedures especially developed for microelectronics, one may encounter new and unpredictable problems for applications in aqueous media. For instance, in microelectronics often a dual metal layer system is employed for making electrical contacts. In a solu

Over 100,000,000 people worldwide are exposed to high arsenic groundwater utilised for drinking or cooking. The consequent global avoidable disease burden is estimated to be of the order of 100,000 avoidable deaths or more per annum from just direct exposures e i.e. excluding indirect exposure (from rice and other foods) and excluding morbidity. Notwithstanding 1000s of papers published on arsenic

Recent suggestions propose that the glacial landscape of southern Sweden is a relict landscape from the Saalian glaciation (>130 ka) (Lagerbäck, 2018). The primary argument supporting this viewpoint is the claimed observation that the majority of glaciofluvial deposits in this region exhibits a covering till bed, often accompanied by wind-abraded clasts (ventifacts) at the contact between glaciofl

En fredsprocess i Syrien måste garantera trygghet och säkerhet för alla, vilket inte minst inne-bär att ta i beaktande de särskilda säkerhetshot som kvinnor står inför i egenskap av att vara kvinnor. Denna undersökning kommer att granska FNs säkerhetsråds resolutioner och Action Group for Syrias och International Syria Support Groups fredsplaner från 2015 och 2016 som har till syfte att skapa fredA peace process in Syria must ensure safety and security for all, which means taking into con-sideration the specific security threats that women face on account of being women. This study uses Teun van Dijk’s critical discourse analysis to examine UN Security Council Reso-lutions and Action Group for Syria’s and International Syria Support Group’s peace plans from 2015 and 2016 to see whether, an

In the process of urbanization and growing cities the city´s limits are expanding, and as a result the industrial areas once located in the periphery of the city have now increased in interest. In recent decades there has been a change within cultural policy, which has altered the way in which we plan our cities and view the value of culture and creativity. This essay studies the culture within t

With rising powers on the global scene, foreign policy decisions are shaped by multiple theories of rationality. Culture and national identity are increasingly essential in actors’ decisions and play a significant role in foreign policy. This paper examines foreign policy rationality through the lenses of realism and constructivism, applying Mearsheimer and Rosato’s process-oriented definition of

Sustainable waste management system which focuses on prevention, reuse and recycle instead of burn and bury is difficult to agree upon, design and implement. I look at why after 8 years of development the city of Sofia chose to burn and bury most of its municipal waste despite a better though more difficult to implement alternative based on the Zero Waste concept was presented. I focused on the dy

”Vårt samhälle blir alltmer sårbart” är säkert en formulering du känner igen. Faktum är att vårt samhälle är fullt av risker, stora som små, och för att minska dessa gör varje kommun en risk- och sårbarhetsanalys. Analysen ska bland annat hjälpa politiker att ta beslut om åtgärder som kan minska samhällets risker och i denna artikel ställer vi oss frågan om detta faktiskt händer? Risk definieras i

In Sweden the authorities’ demands gets higher and higher concerning moisture safety in the building process. Nowadays all new constructions need special planning regarding moisture safety, according to Boverkets byggregler. To fulfil their demands regarding a moisture safe building process, Boverkets byggregler recommends a method called ByggaF. This is a method for including moisture safety in t

I denna uppsats kommer det skatterättsliga neutralitetsperspektivet hos fastighetstransaktioner att diskuteras och särskilt fokus kommer att ligga på stämpelskatten. De fastighetstransaktioner som tas upp är överlåtelse, bolagsförvärv och fastighetsbildning. Det moderna svenska skattesystemet bygger på nationalekonomiska teorier och de senaste 30 åren har fokus legat på att få ett effektivt skattIn this essay, the tax neutrality perspective of property transactions will be discussed and a special focus will be put on stamp duty. The real estate transactions which are covered in the essay are transfers, acquisitions and “fastighetsbildning”. The modern Swedish tax system is based on economic theories and in the last 30 years the focus has been put on getting an efficient tax system, wher

A goal of entrepreneurship is to foster innovation through the creation of sustainable, scalable firms through a successful commercialization of their value proposal. Surprisingly there is little research on the key role sales and hence sales knowledge of the founder plays in the survival of an entrepreneurial venture. The purpose of this study is twofold. First, we aim to contribute to the wider

This report presents measuring and identifications of the process in papermachine PM4 Gruvöns Bruk, Grums.
Our intention was, except the measuring itself, to improve, if possible, the system model now used for process control with an IBM 1710 system.
The measurings were accomplished during the last two weeks of February 1969, and included six series of about 2000 samples each using a sam

Soot formation in a reverse-flow partial-oxidation reactor for reforming of gasifier producer gas has been studied. The process was modeled using a detailed reaction mechanism to describe the kinetics of soot formation. The numerical model was validated against experimental data from the literature and showed good agreement with reported data. Nine cases with different gas compositions were simula

Abstract in UndeterminedEnterprise resource planning (ERP) systems are rapidly becoming a de facto standard in business activity. While large and medium-sized companies have the luxury to afford proprietary ERP solutions, small companies are struggling with resource poverty which maybe makes them consider available open source ERP products which are free from licensing fee. However, there is littl