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In this paper, a system level model for a polymer electrolyte fuel cell (PEFC) system, which is capable of characterizing transient behavior using the control volume method, is developed. Three different cases based on different mass transfer assumptions in the cathode channel are explicitly discussed, i.e., considering the presence of 1) only oxygen, 2) both oxygen and nitrogen or 3) oxygen as we
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Burkholderia pseudomallei is the etiological agent of melioidosis, a severe infectious disease of humans and animals. The role of the bacterium's proteins expressed in vivo during human melioidosis continues to remain an enigma. This study's aim was to identify B. pseudomallei target proteins that elicit the humoral immune response in infected humans. A small insert genomic expression library was
The information of water level variations in lakes and reservoirs is essential for many applications such as water resources management. The conventional in-situ measurements of water levels based on gauge station are often rarely available or difficult to be shared to the public especially for lakes in the developing countries and transboundary basins. Satellite altimetry provides an alternative
A method for calculating energy levels and wavefunctions of bound states associated with deep impurity centres in semiconductors is presented. The impurity system is replaced by a crystal, whose unit cell consists of the impurity surrounded by a large number of host crystal atoms. The impurity bands for this crystal, represented by a real potential, are calculated by expanding in orthogonalised Bl
It has been a common practice both in Sweden and worldwide to enclose nuclear reactors with prestressed concrete structures. The prestress level decreases with time from its initial value due to various degradation mechanisms. To ensure that the prestress level is sufficient the tendon force is measured at regular in-service inspections. The intention with this paper is to present a reliability-ba
A brief review is given of some fundamental aspects of high-resolution core-level photoemission and of its application to studies of pure and adsorbate covered metal surfaces. We first give a short description of the basic theory and then turn to a number of examples. The first group of examples is aimed at demonstrating the use of core-level binding energy shifts for deriving the surface and inte
The study aims to demonstrate to what extent speeches, Instagram posts and LinkedIn posts of Gianni Infantino, as the main representative of FIFA, have been marked by elements of Postcolonialism and sportswashing to influence the acceptance of the FIFA World Cup of 2022 in Qatar. The result of this study indicates that FIFA’s rhetoric is marked by Postcolonial elements. Also, the study suggests th
This thesis explores how young people in Landkreis Harburg, Germany, make sense ofmilitarization and security narratives in their everyday lives, following Russia's full-scaleinvasion of Ukraine in 2022. Drawing on the conceptual frameworks of militarization andbanal militarism, the study examines how military logic becomes embedded in civilian lifethrough both institutional and informal proce
The abrupt relaxation of COVID-19 control measures in China in December 2022 created acute pressures on paediatric healthcare services. We retrospectively evaluated patient visits, healthcare staffing and hospitalisation costs at Wuxi Children’s Hospital, a tertiary paediatric centre. Despite over 40% staff absenteeism due to COVID-19, essential paediatric services remained operational through fle
Barns och ungdomars hälsa – Sida 6 – Vetenskap och Hälsa Hoppa till innehåll Vetenskap och hälsa Populärvetenskapligt om medicinsk forskning i Skåne Teman Podd Tidskrift Prenumerera Om webbplatsen Kontakt Sök Sök Kategori: Barns och ungdomars hälsa Fosterrörelser i livmodern – avgörande för uppkoppling kropp, ryggmärg och hjärna 2022-08-11 Ett svenskt-amerikanskt forskarteam har nyligen publicerat
https://www.vetenskaphalsa.se/kategori/barn/page/6/ - 2026-06-23
Increasing soft error rates for semiconductor devices manufactured in later technologies enforce the usage of fault tolerant techniques such as Roll-back Recovery with Checkpointing (RRC). As RRC introduces time overhead that increases the completion (execution) time, time constraints (deadlines) might be violated. This is a drawback for a class of computer systems where the correct operation is d
The vast majority of pituitary neuroendocrine tumors (PitNETs) are benign and slow growing with a low relapse rate over many years after surgical resection. However, about 40% are locally invasive and may not be surgically cured, and about one percentage demonstrate an aggressive clinical behavior. Exceptionally, these aggressive tumors may metastasize outside the sellar region to the central nerv
Historically being a success to the European Union and its integration processes, technical standardisation has been a dormant policy area low down on the European Commission’s agenda priority list – until now. The increasing international competition has arguably spurred the Commission to push for speedy developments in standardisation to establish the EU once again in a leading position, thus ef
Ph.D. course: Biogeochemistry and the rhizosphere Time and place: November 16 to 20 (2015) at University of Gothenburg, Sweden. Price: there is no participation fee. Value: 3 ECTS Why is the rhizosphere a hot-spot for biogeochemistry ? This is a Ph.D. course about: Priming, microbial ecology, mycorrhiza, belowground carbon and nitrogen transport and transformation, biomarkers. Through lectures, ex
https://www.cec.lu.se/sites/cec.lu.se/files/announcement_of_rhizosphere_ph.d._course.pdf - 2026-06-25
A level of entrepreneurial activities is widely considered as one of the key characteristics of economy in the context of economic development. However, empirical evidence and theoretical models failed to achieve a consensus with regard to the mechanism underlying existence of a certain level of entrepreneurial activities. This thesis, based on the extensive matching theory literature, considers
In this work, we have determined the energy of the S1 state of the carotenoid spheroidene. The energy of this state is 13,400 ± 90 cm-1 at both 293 K and 186 K, showing that there is no temperature-induced shift of the S1 level. A discrepancy of about 800 cm-1 between the S1 energy determined here and that obtained from previous fluorescence and resonance Raman measurements is explained in terms o
