Search Results - "Ohlsson, K"

Benchmarking the practice of validation and uncertainty analysis of building energy models by Ohlsson, K.E. Anders, Olofsson, Thomas

“…The practice of validation and uncertainty analysis (UA) of building energy models (BEM) is critically reviewed. The background for this review is the…”
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Uncertainty in model prediction of energy savings in building retrofits: Case of thermal transmittance of windows by Ohlsson, K.E. Anders, Nair, Gireesh, Olofsson, Thomas

“…Energy saving in buildings is an important measure for mitigation of climate change. There exists a large potential for energy saving in buildings by improving…”
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Quantitative infrared thermography imaging of the density of heat flow rate through a building element surface by Ohlsson, K.E.A., Olofsson, T.

“…•Improved thermography measurement of the heat flow rate under natural convection.•Measurement bias was estimated against reference method to be…”
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Evaluation of species-specific PCR, Bruker MS, VITEK MS and the VITEK 2 system for the identification of clinical Enterococcus isolates by Fang, H., Ohlsson, A.-K., Ullberg, M., Özenci, V.

“…The purpose of this investigation was to compare the performance of species-specific polymerase chain reaction (PCR), matrix-assisted laser…”
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Uncertainty of Blank Correction in Isotope Ratio Measurement by Ohlsson, K. E. Anders

“…Blank correction for isotope ratio measurement on small amounts of substances is often limited by presence of a blank, with an apparent isotopic composition…”
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Accurate and robust measurement of the external convective heat transfer coefficient based on error analysis by Ohlsson, K. E. Anders, Östin, Ronny, Olofsson, Thomas

“…•Method comparison for measurement of the convection heat transfer coefficient (hc).•Systematic errors and measurement uncertainty of hc at external building…”
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Stable carbon isotope labelled carbon dioxide as tracer gas for air change rate measurement in a ventilated single zone by Ohlsson, K.E. Anders, Yang, Bin, Ekblad, Alf, Boman, Christoffer, Nyström, Robin, Olofsson, Thomas

“…Carbon dioxide (CO2) has often been used as tracer gas for measurement of the air change rate λ (h−1) in buildings. In such measurements, a correction is…”
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The green tea polyphenol (−)-epigallocatechin-3-gallate inhibits amyloid-β evoked fibril formation and neuronal cell death in vitro by Harvey, B.S., Musgrave, I.F., Ohlsson, K.S., Fransson, Å., Smid, S.D.

“…► Alzheimer’s protein amyloid-β and pro-oxidants elicit neurotoxicity in PC12 cells. ► We compared protective effects of bioactive polyphenols against these…”
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Step-transient method for measurement of the heat transfer coefficient at surfaces exposed to simulated building outdoor environments using the sol-air thermometer by Ohlsson, KE Anders, Östin, Ronny, Olofsson, Thomas

“…The environmental boundary conditions of the building exterior surface could be expressed in terms of the sol-air temperature To and the heat transfer…”
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Screening for vancomycin-resistant enterococci: an efficient and economical laboratory-developed test by Fang, H., Ohlsson, A.-K., Jiang, G.-X., Ullberg, M.

“…A laboratory-developed test (Lab Assay), combining enrichment broth and real-time polymerase chain reaction (PCR) for vancomycin-resistant enterococci (VRE)…”
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The importance of work organization on workload and musculoskeletal health – Grocery store work as a model by Balogh, I., Ohlsson, K., Nordander, C., Björk, J., Hansson, G.-Å.

“…We have evaluated the consequences of work organization on musculoskeletal health. Using a postal questionnaire, answered by 1600 female grocery store workers,…”
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Dynamic model for measurement of convective heat transfer coefficient at external building surfaces by Ohlsson, K.E. Anders, Östin, Ronny, Grundberg, Staffan, Olofsson, Thomas

“…Uncertainties in current empirical models for the convective heat transfer coefficient (CHTC) have large impact on the accuracy of building energy simulations…”
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Uncertainty budget for multi-elemental analysis of plant nutrients in conifer foliar material using inductively coupled plasma atomic emission spectrometry (ICP-AES) by Ohlsson, K. E. Anders

“…Measurement uncertainties evaluated according to GUM were given in an uncertainty budget for the measurement of mass fractions of 12 elements in conifer tree…”
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Precision of measurements of physical workload during standardised manual handling. Part II: Inclinometry of head, upper back, neck and upper arms by Hansson, G.-Å., Arvidsson, I., Ohlsson, K., Nordander, C., Mathiassen, S.E., Skerfving, S., Balogh, I.

“…For measuring the physical exposure/workload in studies of work-related musculoskeletal disorders, direct measurements are valuable. However, the between-days…”
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Self-assessed and directly measured occupational physical activities—influence of musculoskeletal complaints, age and gender by Balogh, I, Ørbæk, P, Ohlsson, K, Nordander, C, Unge, J, Winkel, J, Hansson, G.-Å

“…This study compares questionnaire assessed physical activity with direct technical measurements among cleaners and office workers, stratified regarding age,…”
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Neutrophil elastase and secretory leukocyte protease inhibitor in prelabor rupture of membranes, parturition and intra-amniotic infection by Helmig, B. R., Romero, R., Espinoza, J., Chaiworapongsa, T., Bujold, E., Gomez, R., Ohlsson, K., Uldbjerg, N.

“…Objective: Neutrophil elastase (NE), a multifunctional serine protease stored in azurophilic granules of mature neutrophils, is capable of intracellular…”
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Precision of measurements of physical workload during standardised manual handling. Part I: Surface electromyography of m. trapezius, m. infraspinatus and the forearm extensors by Nordander, C., Balogh, I., Mathiassen, S.E., Ohlsson, K., Unge, J., Skerfving, S., Hansson, G.-Å.

“…Though surface electromyography (EMG) has been widely used in studies of occupational exposure, its precision in terms of the variance between-days and…”
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Uncertainties in static closed chamber measurements of the carbon isotopic ratio of soil-respired CO2 by Ohlsson, K.E.A, Bhupinderpal-Singh, Holm, S, Nordgren, A, Lovdahl, L, Hogberg, P

“…The delta13C of soil-respired CO2 (delta(r)) is frequently determined using static closed chamber methods. delta(r) is obtained as the intercept of the least…”
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Increasing the degree of automation in a production system: Consequences for the physical workload by Balogh, Istvan, Ohlsson, Kerstina, Hansson, Gert-Åke, Engström, Tomas, Skerfving, Staffan

“…In spite of the continuous development of production systems work-related musculoskeletal disorders is still a large problem. One reason might be the…”
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Precision of measurements of physical workload during standardized manual handling part III: Goniometry of the wrists by Balogh, I, Ohlsson, K, Nordander, C, Skerfving, S, Hansson, G.-Å

“…Abstract Goniometry of the wrist is a feasible method for studying wrist movements in most hand-intensive work. The precision and accuracy of the method per se…”
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