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Numerical RANS/URANS simulation of combustion noise
[chapter]
2009
Combustion Noise
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The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: eStudio Calamar S.L.
doi:10.1007/978-3-642-02038-4_1
fatcat:qgfrkrs7ancjljaeyfdbvpbpwi
Estimation of the prevalence at animal level of paratuberculosis in female cattle of Saxony-Anhalt (Germany)
2011
Veterinary Science Development
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Johne's disease (paratuberculosis) is a chronic, untreatable disease of ruminants caused by Mycobacterium avium subspecies paratuberculosis. It leads to economic losses in livestock production but is also suspected to be involved in the pathogenesis of Crohn's disease in humans. In 2007/2008 a study was conducted to estimate the prevalence at animal level of paratuberculosis among the female cattle of Saxony-Anhalt (Germany). In order to keep study costs low and participating farms
doi:10.4081/vsd.2011.e10
fatcat:bmw6cihlovhy5hvmbllbnyonum
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... no farms were visited to actively draw samples. Instead, animals were preselected in a formal random sampling process and additionally tested by ELISA for paratuberculosis when samples suitable for serology were routinely submitted to the State Office of Consumer Protection Saxony-Anhalt for any diagnostics. Out of 896 samples, 38 tested positive, giving an apparent prevalence of 4.2%. Based on the test quality traits of the ELISA employed in the study (POURQUIER ® ELISA Paratuberculosis) the true prevalence was estimated to 6.7% (95% CI, 3.0-10.4%). No spatial clustering of positive results was detected by a scan statistic. Prevalence estimates for age strata tended to show an incline to a maximum at age class of 5 years and a subsequent decline with higher age classes. Estimates tended to show an incline with herd size.
Modelling human speech recognition in challenging noise maskers using machine learning
2020
Acoustical Science and Technology
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The advantage and limitations of utilizing automatic speech recognition (ASR) techniques for modelling human speech recognition are investigated for a set of "critical" speech maskers for which many standard models of human speech recognition fail. A deep neural net (DNN)-based ASR system utilizing a closed-set sentence recognition test is used to model the speech recognition threshold (SRT) of normal-hearing listeners for a variety of noise types. The benchmark data from Schubotz et al. (2016)
doi:10.1250/ast.41.94
fatcat:uqf7hko6tjdc3ah4w4mcvh723e
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... include SRTs measured in conditions with an increasing complexity in terms of spectro-temporal modulation (from stationary speech-shaped noise to a single interfering talker). The DNN-based model as proposed in Spille et al. (2018) produces a higher prediction accuracy than baseline models (i.e., SII, ESII, STOI, and mr-sESPM) even though it does not require a clean speech reference signal (as is the case for most auditory model-based SRT predictions). The most accurate predictions are obtained with multi-condition training with known noise types and ASR features that explicitly account for temporal modulations in noisy sentences. Another advantage of the approach is that the DNN can serve as valuable analysis tool to uncover signal recognition strategies: For instance, by identifying the most relevant cues for correct classification in modulated noise, it is shown that the DNN is listening in the dips. Finally, we present preliminary data indicating that the WER of the model can be replaced with an estimate of the WER, which does not require the transcript of utterances during test time and therefore eliminates an important limitation of the previous model that prevents it from being used in real-world scenarios.
Estimation of the prevalence at animal level of paratuberculosis in female cattle of Saxony-Anhalt (Germany)
2011
Veterinary Science Development
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Johne's disease (paratuberculosis) is a chronic, untreatable disease of ruminants caused by Mycobacterium avium subspecies paratuberculosis. It leads to economic losses in livestock production but is also suspected to be involved in the pathogenesis of Crohn's disease in humans. In 2007/2008 a study was conducted to estimate the prevalence at animal level of paratuberculosis among the female cattle of Saxony-Anhalt (Germany). In order to keep study costs low and participating farms
doi:10.4081/vsd.2011.3504
fatcat:jbmmrffegndatnecktsjz6vn2a
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... no farms were visited to actively draw samples. Instead, animals were pre-selected in a formal random sampling process and additionally tested by ELISA for paratuberculosis when samples suitable for serology were routinely submitted to the State Office of Consumer Protection Saxony-Anhalt for any diagnostics. Out of 896 samples, 38 tested positive, giving an apparent prevalence of 4.2%. Based on the test quality traits of the ELISA employed in the study (POURQUIER® ELISA Paratuberculosis) the true prevalence was estimated to 6.7% (95% CI, 3.0-10.4%). No spatial clustering of positive results was detected by a scan statistic. Prevalence estimates for age strata tended to show an incline to a maximum at age class of 5 years and a subsequent decline with higher age classes. Estimates tended to show an incline with herd size.
Impact of pulmonary hypertension on gas exchange and exercise capacity in patients with pulmonary fibrosis
2009
Respiratory Medicine
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a v a i l a b l e a t w w w . s c i e n c e d i r e c t . c o m j o u r n a l h o m e p a g e : w w w . e l s e v i e r . c o m / l o c a t e / r m e d Respiratory Medicine (2009) 103, 317e324
doi:10.1016/j.rmed.2008.08.005
pmid:18804360
fatcat:y5uyoijd3zcr7np6fivxnpycsa
Value of Cardiopulmonary Exercise Testing in the Prognosis Assessment of Chronic Obstructive Pulmonary Disease Patients: A Retrospective, Multicentre Cohort Study
2021
Respiration
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<b><i>Introduction:</i></b> Chronic obstructive pulmonary disease (COPD) is one of the most common chronic diseases associated with high mortality. Previous studies suggested a prognostic role for peak oxygen uptake (VO<sub>2</sub>peak) assessed during cardiopulmonary exercise testing (CPET) in patients with COPD. However, most of these studies had small sample sizes or short follow-up periods, and despite their relevance, CPET parameters are not included in the Global Initiative for Chronic
doi:10.1159/000519750
pmid:34802005
fatcat:lpbx636tkbejdoyfvvcfjgnlfm
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... tructive Lung Disease (GOLD) tool for assessment of severity. <b><i>Objectives:</i></b> We therefore aimed to assess the prognostic value of CPET parameters in a large cohort of outpatients with COPD. <b><i>Methods:</i></b> In this retrospective, multicentre cohort study, medical records of patients with COPD who underwent CPET during 2004–2017 were reviewed and demographics, smoking habits, GOLD grade and category, exacerbation frequency, dyspnoea score, lung function measurements, and CPET parameters were documented. Relationships with survival were evaluated using Kaplan-Meier analysis, Cox regression, and receiver operating characteristic (ROC) curves. <b><i>Results:</i></b> Of a total of 347 patients, 312 patients were included. Five-year and 10-year survival probability was 75% and 57%, respectively. VO<sub>2</sub>peak significantly predicted survival (hazard ratio: 0.886 [95% confidence interval: 0.830; 0.946]). The optimal VO<sub>2</sub>peak threshold for discrimination of 5-year survival was 14.6 mL/kg/min (area under ROC curve: 0.713). Five-year survival in patients with VO<sub>2</sub>peak <14.6 mL/kg/min versus ≥ 14.6 mL/kg/min was 60% versus 86% in GOLD categories A/B and 64% versus 90% in GOLD categories C/D. <b><i>Conclusions:</i></b> We confirm that VO<sub>2</sub>peak is a highly significant predictor of survival in COPD patients and recommend the incorporation of VO<sub>2</sub>peak into the assessment of COPD severity.
Monitoring and Modeling the Terrestrial System from Pores to Catchments: The Transregional Collaborative Research Center on Patterns in the Soil–Vegetation–Atmosphere System
2015
Bulletin of The American Meteorological Society - (BAMS)
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BACKGROUND. State predictions for terrestrial systems are usually performed by means of numerical process models, which consider all compartments. However, it is unclear to what extent system heterogeneity must be considered for a particular set of conditions and for different types of model predictions. Numerical process models of the terrestrial system usually consider three vertically stacked mediarepresenting the subsurface, including ground and surface water; vegetation; and
doi:10.1175/bams-d-13-00134.1
fatcat:gu3u2w7cbvf75f77irwhir3aqm
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... are typically coded in three separate compartment models. These compartment models interact at their
Evaluation of the RPM-CN Approach for Broadband Combustion Noise Prediction
2009
15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference)
unpublished
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In this work the Random Particle-Mesh (RPM) method introduced by Ewert 13-16 to model vortex sound sources for airframe and jet-noise is adapted to reconstruct stochastic fluctuating combustion noise sources ...
RPM method The Random Particle-Mesh (RPM) method was introduced by Ewert 13-16 as a stochastic method to generate unsteady turbulent fields with locally prescribed one-and two-point statistics, with special ...
doi:10.2514/6.2009-3285
fatcat:vxp2fknenfgjrjy6x2n5r5zlja
Titelei/Inhaltsverzeichnis
2005
WiSt - Wirtschaftswissenschaftliches Studium
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Bernd Schauenberg,
Freiburg i. Br., Prof. Dr. Ulf Schiller, Bern, Prof. Dr. Thomas Schildbach, Passau,
Prof. Dr. Manfred Steiner, Augsburg, Prof. Dr. Horst Tempelmeier, Köln, Prof.
Dr. ...
Ralf Ewert, Frankfurt (Main), Prof. Dr. Torsten J. Gerpott, Duisburg, Prof. Dr. Peter-Jürgen Jost, Koblenz, Prof. Dr. Hans-Ulrich Küpper, München, Prof. Dr. Wolfgang Kürsten, Jena, Prof. Dr. Dr. h.c. ...
doi:10.15358/0340-1650-2005-2-i
fatcat:dy4qtdkmdfhjpjvaik3mxshwje
Page 7623 of Mathematical Reviews Vol. , Issue 94m
[page]
1994
Mathematical Reviews
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Bee, WON ....0222..5 Ewert, Janina
Ewert, Rainer .... Ewing, R. E.
Ezau, N. V.
ME MEN senktinddacdencassncaeuuiweant 46078 Fabre, Jean
US GS rere
Facchini, Alberto
Fagin, Ronald
Faglia, Giovanni ... ...
Fischer, Bernd
Fischer, Klaus G.
Fishback, Paul E. ..
Fisher, Brian
PI EGS oc i cccsseccacscataspee 58182
Fisher, J. Chris
|, eS See Fisher, Robert A. ...
INHALTSVERZEICHNIS
1980
Bildung und Erziehung
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J.) 355 IV Unauthenticated Download Date | 7/27/18 6:37 AM Bausteine für eine pädagogische Utopie
441
Ewert, Otto: Sdiulpsychologisdier Dienst, Schullaufbahnberatung
193
Fischer, Andreas: Schulpraxis-Gutachten ...
Erziehungswissenschaft
324
Fremerey, Michael: Erziehung und Entwicklung als Gegenstand der deutschen
Forschung
475
Frey, Karl/Wilhelm Walgenbach: Bildungsforsdiung -Retrospektive und Pro-
gnose
1
Frommelt, Bernd ...
doi:10.7788/bue-1980-jg01
fatcat:627yi5yqozd2rcxiqmtkarbdeq
Author Index
2022
ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
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................................................. 761 Ebbers, Janek ................................................... 1021 Ebrahimi, Touradj ............................................ 4878 Edler, Bernd ...
, Nicholas ............................ 6367, 6382, 6387 Evert, Eric ........................................................ 9067 Evmorfos, Spilios ............................................. 5353 Ewert ...
doi:10.1109/icassp43922.2022.9747046
fatcat:yunx4yqzrvepxcnhfrzw7rzama
Titelei/Inhaltsverzeichnis
[chapter]
2014
Haftung von Inhabern privater Internetanschlüsse für fremde Urheberrechtsverletzungen
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, ZUM 2007, 450-456 (zit.: Ewert/Hartz, ZUM 2007) Ewert, Jonas/v. ...
.: Bydlinski, AcP 158 (1959/1060)) Czychowski, Christian/Nordemann, Jan Bernd, Die Entwicklung der unter-und obergerichtlichen Rechtsprechung im Urheberrecht in den Jahren 2008 und 2009 Teil 2, GRUR-RR ...
.: Hoeren, NJW 1998 Hoeren, Thomas/Sieber, Ulrich/Holznagel, Bernd (Hrsg.) ...
doi:10.17104/9783845263854-1
fatcat:u24oqsn7lfgmxllr7sivxmngcy
Page 6721 of Mathematical Reviews Vol. , Issue 98J
[page]
1998
Mathematical Reviews
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Fritzsche, Bernd 47020 Frochaux, Etienne 22032 Frohlich, Jarg 81382 Frolov, S. ...
Ewen, Holger Ewert, Heiko
MME: aiieatarnesansivetcoeie
Ezquerro, José A. .... Ezzinbi, K.
Faber, Carel Fabiano, A. ...
Titelei/Inhaltsverzeichnis
[chapter]
2005
Vahlens Kompendium der Betriebswirtschaftslehre Bd. 1
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Inhaltsverzeichnis
Bandl
Vorwort
V
Bernd Schauenberg
2. Konstitutive Entscheidungen
Manfred Steiner
B. ...
Ewert
M.
Adressaten dieses Kompendiums sind in erster Linie Studierende wirtschaftswissen schaftIicher Studiengänge an deutschsprachigen Hochschulen. ...
doi:10.15358/9783800648665_1
fatcat:kcfel2biozau5eonljcfr45awu
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