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You searched on: Author: james yen Sorted by: title

Displaying records 1 to 10 of 48 records.
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1. An Approach to Combining Results from Multiple Methods Motivated by the ISO GUM
Series: Journal of Research (NIST JRES)
Published: 8/1/2000
Authors: M Levenson, D L. Banks, K Eberhardt, L M. Gill, William F Guthrie, Hung-Kung Liu, M Vangel, James H Yen, Nien F Zhang
Abstract: The problem of determining a consensus value and its uncertainty from the results of multiple methods or laboratories is discussed. Desirable criteria of a solution are presented. A solution based on the ISO Guide to the Expression of Uncertainty i ...

2. An Estimate of Effect Size Based on the Mann-Whitney Statistic
Published: Date unknown
Author: James H Yen
Abstract: Meta analysis, the statistical synthesis of results from several different studies, often involves combining estimates of effect sizefrom several experiments. The standardized mean difference is one of the most commonly used estimates of effect size; ...

3. Calcium Phosphate Cement With Non-Rigidity and Strength Durability for Periodontal Bone Repair
Published: 8/1/2006
Authors: Hockin D. Xu, Shozo Takagi, Limin Sun, L A Hussain, Laurence Chung Lung Chow, William F Guthrie, James H Yen
Abstract: Background. The need for biomaterials to treat periodontal osseous defects has increased as the world population ages. The objective of the present study was to develop a self-hardening, resorbable, and mech/anically strong calcium phosphate cement ...

4. Certification of Elements in and Use of Standard Reference Material 3280 Multivitamin/Multielement Tablets
Published: 12/2/2013
Authors: Gregory C. Dr. (Gregory C.) Turk, Katherine E Sharpless, Steven J Christopher, Danielle Cleveland, Russell D Day, Stephen E Long, Elizabeth A Mackey, Anthony F Marlow, Rick L Paul, John R Sieber, Rabia Oflaz, Laura J Wood, Lee Lijian Yu, Rolf Louis Zeisler, Stephen Albert Wise, James H Yen, E. Greene, J. Harnly, I-P Ho, Joseph M Betz, R. Q. Thompson, Candace Jongsma
Abstract: Standard Reference Material (SRM) 3280 Multivitamin/Multielement Tablets was issued by the National Institute of Standards and Technology (NIST) in 2009 and has certified and reference mass fraction values for 13 vitamins, 26 elements, and 2 caroteno ...

5. Certification of Standard Reference Materials for Bitter Orange
Published: 7/1/2008
Authors: Lane C Sander, K. Putzbach, Bryant C Nelson, Catherine A Rimmer, Mary Bedner, Jeanice M Brown Thomas, Barbara J. Porter, Laura J Wood, Michele Miller Schantz, Karen E Murphy, Katherine E Sharpless, Stephen Albert Wise, James H Yen, P. H. Siitonen, R. I. Evans, A. NguyenPho, M. C. Roman, J. M. Betz

6. Certification of Vitamins and Carotenoids in SRM 3280 Multivitamin/Multielement Tablets
Published: 4/24/2011
Authors: Lane C Sander, Katherine E Sharpless, Stephen Albert Wise, Bryant C Nelson, Karen W Phinney, Barbara J. Porter, Catherine A Rimmer, Jeanice M Brown Thomas, Laura J Wood, James H Yen, David Lee Duewer, R. Atkinson, R. Chen, R. Goldschmidt, W.R. Wolf, I-P Ho, M. Betz
Abstract: A new multivitamin/multielement dietary supplement Standard Reference Material (SRM) has been issued by the National Institute of Standards and Technology (NIST) with certified and reference concentration values for 13 vitamins, 24 elements, and two ...

7. Characterization of NIST Food-Matrix Standard Reference Materials for their Vitamin C Content
Published: 3/26/2013
Authors: Jeanice M Brown Thomas, James H Yen, Katherine E Sharpless
Abstract: The vitamin C concentrations in three food-matrix Standard Reference Materials (SRMs) from the National Institute of Standards and Technology (NIST) have been determined by liquid chromatography (LC) with absorbance detection. These materials (SRM 1 ...

8. Characterization of Three Berry Standard Reference Materials for Nutrients
Published: 6/30/2011
Authors: Laura J Wood, Katherine E Sharpless, Monique Pichon, Barbara J. Porter, James H Yen
Abstract: The National Institute of Standards and Technology (NIST) has been working with the National Institutes of Health Office of Dietary Supplements to produce Standard Reference Materials (SRMs) of interest to analysts of dietary supplements. Some of th ...

9. Characterization of a Suite of Ginkgo-Containing Standard Reference Materials
Published: 9/1/2007
Authors: Catherine A Rimmer, S. Howerton, Katherine E Sharpless, Lane C Sander, Stephen E Long, Karen E Murphy, Barbara J. Porter, K. Putzbach, M. S. Rearick, Stephen Albert Wise, Laura J Wood, Rolf Louis Zeisler, Diane K. Hancock, James H Yen, J. M. Betz, A. NguyenPho, L. Yang, C. Scriver, S. N Willie, R. Sturgeon, B. Schaneberg, C. Nelson, J. Skamarack, M. Pan, L. Kerri, D. Gray, E. H. Waysek, A. Blatter, E. Reich

10. Comparison of interpretability of 1080p30 and 720p60 motion imagery: trade-offs in resolution and frame rate
Published: 5/29/2009
Authors: Charles D. Fenimore, James H Yen, John W. Roberts, Hassan A. Sahibzada
Abstract: We have conducted an evaluation comparing the interpretability potential of two standardized HD formats, 1080p30 and 720p60. Despite the lack of an existing motion image (MI) quality scale akin to the NIIRS scale, we have exploited previous work on ...

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