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The paper provides exact and approximate solutions to the title problems. Time-hardening creep is adopted and the stress dependence is assumed to follow the exponential expression proposed by Soderberg. Even though the exact solutions are easy to work with, some approximate solutions are discussed. These approximate solutions are obtained from the exact ones by simply ignoring certain terms; error
This paper discusses the professional roles of information systems analysts and users, focusing on a perspective of human intensive, rather than software intensive information systems. The concept of ‘meaningful use’ is discussed in re-lation to measures of success/failure in IS development. The authors consider how a number of different aspects of reductionism may distort analyses, so that proces
Artiklen tar upp kvinnornas plats i det nationella historiemedvetandet i Sverige kring 1900 och behandlar reltaionen mellan genus och nation i en svensk kontext.
The purpose of an indoor climate system is to fulfil the required thermal comfort and provide satisfactory indoor air quality by using as little resources as possible. This study investigated the resulting energy use and life cycle cost from different ventilation systems for typical single family houses in the Nordic outdoor climate. Three ventilation systems were compared, namely exhaust ventilat
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The paper discusses the concept of explanation in metaphysics. Different types of explanation are identified and explored. Scientific explanation is compared with (alleged) metaphysical explanation. The comparison illustrates the difficulties with applying the concept of explanation in metaphysics.
Complex SOCs areincreasingly tested in a modular fashion, which enables us torecord the yield-per-module. In this paper, we consider theyield-per-module as the pass probability of the module smanufacturing test. We use it to exploit the abort-on-fail featureof ATEs, in order to reduce the expected test application time. Wepresent a model for expected test application time, which obtainsincreasing
In this study we approach the recent decline in income inequality in Latin America from the perspective of structural change with a focus on the relative performance of the agricultural sector. Our focus is on the underlying forces implied by Kuznets (1965). We zoom in on the relative performance of agriculture in the development process and the rural-urban duality and pay particular attention to
The need for control of the influent load to a wastewater treatment plant (WWTP) is becoming more important. One reason for this is that there are a number of things that cannot be achieved with plant-focused control. For instance it is hard to avoid sludge loss as a result of poor settling or reducing a too high influent flow rate by in-plant control actions. It is also difficult to reduce the ef
In group work roles play a role. (Swedish: Vid grupparbete spelar rollerna roll) In Handbook for group work – how to form functioning group work in education (Swedish: Handbok för grupparbete – att skapa fungerande grupparbeten i undervisning) Types and functions of roles in work groups are presented in overview followed by a discussion of relations between roles, personality and team roles. Role
Emergent behaviour has become a plague of automation systems based on communication networks. Centralized monitoring of the network comes generally to late to sup-press unwanted behaviour. It is required to mark the ten-dency towards state changes in a decentralized manner. The paper discusses the role of local awareness by inspection of the model learning behaviour of feed-forward networks. The c
Purpose of this paper The purpose of this paper is to investigate the effects of using the smart goods on traceability information and consequently on the carried out activities for different actors of the fresh food supply chains. Identification of the valuable traceability information types in fresh food supply chains is conducted as the first step to reach the purpose. Design/methodology/approa
