Výsledky vyhledávání - "J D, Callahan"

Detection of U.S., Lelystad, and European-Like Porcine Reproductive and Respiratory Syndrome Viruses and Relative Quantitation in Boar Semen and Serum Samples by Real-Time PCR

Autor: A. Wasilk, J. D. Callahan, J. Christopher-Hennings, T. A. Gay, Y. Fang, M. Dammen, M. E. Reos, M. Torremorell, D. Polson, M. Mellencamp, E. Nelson, W. M. Nelson

Publikováno v: Journal of Clinical Microbiology

Transmission of porcine reproductive and respiratory syndrome virus (PRRSV) via boar semen has been documented. Since semen is widely disseminated for artificial insemination and the virus can cause significant health and economic consequences, it is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e7f66dd2f5cf042bd989507fc948385
https://doi.org/10.1128/jcm.42.10.4453-4461.2004

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A fully 3D adaptive finite element simulation and prototype for gas flow in a porous media

Autor: A. T. Bourgoyne, Z. Bassiouni, J. D. Callahan, John M. Tyler

Publikováno v: Advances in Engineering Software. 32:119-131

This paper presents a three-dimensional (3D) adaptive finite element solution for gas flow in a porous media. The solution obtained is truly 3D and employs a dynamic h-adaptive refinement technique for efficiency. The adaptive procedure uses a new no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8134e5c80eb568d91f1cad8c9245d858
https://doi.org/10.1016/s0965-9978(00)00080-6

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Node-based dynamic adaptive grid with quadrilateral and hexahedral elements

Autor: J. D. Callahan, G. H. Wang, J. M. Tyler, J. S. Weltman

Publikováno v: Advances in Engineering Software. 30:31-41

A node-based data structure is developed for use in either two-dimensional (2-D) or three-dimensional (3-D) finite element method (FEM) problems. This grid uses quadrilateral (2-D) or hexahedral (3-D) elements and is dynamically adaptive according to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::003414d554fac6966c6a42cc80721784
https://doi.org/10.1016/s0965-9978(98)00069-6

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A Multivariate Procedure for Comparing Control Areas to Possible Impact Areas, Graphically Displaying the Results

Autor: John Palmer, J. D. Callahan

Principal components are used to reduce the dimension of highly correlated, multivariate data. After applying analyses of variance to the principal components, looking for site differences, a graphical method of multiple comparisons is presented. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c34c149e0afca2b80eae3a02c2c66c4
https://doi.org/10.1520/stp35658s

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Hepatitis C in Peru: risk factors for infection, potential iatrogenic transmission, and genotype distribution

Autor: J L, Sanchez, M H, Sjogren, J D, Callahan, D M, Watts, C, Lucas, M, Abdel-Hamid, N T, Constantine, K C, Hyams, S, Hinostroza, R, Figueroa-Barrios, J C, Cuthie

Publikováno v: The American journal of tropical medicine and hygiene. 63(5-6)

A large seroepidemiologic and genotyping study of hepatitis C virus (HCV) was conducted in Lima, Peru, during the periods of 1986 to 1993 (cohort A) and 1994 (cohort B). Anti-HCV seroprevalence rates were 15.6% (216 of 1,389) and 11.7% (168 of 1,438)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1e61b5a3b2cf00be7c9dcf90ab615d22
https://pubmed.ncbi.nlm.nih.gov/11421371

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Prevalence of HIV infection and AIDS in Egypt over four years of surveillance (1986-1990)

Autor: D M, Watts, N T, Constantine, M F, Sheba, M, Kamal, J D, Callahan, M E, Kilpatrick

Publikováno v: The Journal of tropical medicine and hygiene. 96(2)

Serosurveys were conducted from April 1986 to March 1990 to determine the prevalence of HIV-1 infections among Egyptians and foreigners. Sera from 29,261 high risk individuals and blood or blood product donors in Egypt, and from 10,326 foreigners wer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::581be8c23cb1d7e82d63f4d46682b069
https://pubmed.ncbi.nlm.nih.gov/8459484

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HEPARIN CLEARANCE PROFILES FOLLOWING SYSTEMIC ANTICOAGULATION USING A HEPARIN REMOVAL DEVICE

Autor: Weike Tao, James C. McRea, Donald J. Deyo, T. L. Grochoske, J. D. Callahan, Robert L. Brunston, Roger A. Vertrees, Joseph B. Zwischenberger

Publikováno v: ASAIO Journal. 42:63

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42356f78ede0ab9e260bf2d2d0452e19
https://doi.org/10.1097/00002480-199603000-00235

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Pole and prime meridian expressions for PHOBOS and Deimos

Autor: J. D. Callahan, T. C. Duxbury

Publikováno v: The Astronomical Journal. 86:1722

Simple trigonometric expressions are derived for the right ascensions and declinations of the spin axes of Phobos and Deimos as well as for their prime meridians. Simple expressions are possible since both satellites are in synchronous rotation about

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be93020a37fe470505a7d1584176a326
https://doi.org/10.1086/113056

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