Výsledky vyhledávání - "John W Lyons"

Dr. John W. Lyons: Interviews With the Director

Autor: William T. Moye

Dr. John W. Lyons served an exciting and tumultuous five years (1993-1998) as Director of the U.S. Army Research Laboratory (ARL). Dr. Lyons and ARL count a number of significant achievements, despite operating in an environment of government shutdow

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https://doi.org/10.21236/ada372275

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Primary Source

Nomination of John W. Lyons To Be Director of the National Institute of Standards and Technology November 17, 1989.

Publikováno v: American Reference Library - Primary Source Documents; 2001, p1, 0p

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Fire research on cellular plastics. Final report of the Products Research Commirttee by John W. Lyons and members of the Products Research Committee. pp. 213, privately published, April 1980. Available while supply lasts, without charge, from FRIS, Center for Fire Research, Bldg. 224 Room B250, National Bureau of Standards, Washington, DC 20234, USA

Autor: A. F. Robertson

Publikováno v: Fire and Materials. 5:iii-iii

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47e7941812d2c83e4f08beb0e1a8b76d
https://doi.org/10.1002/fam.810050109

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Fundamental study of the separation of homopolymers from block copolymers by liquid chromatography with preloaded adsorption promoting barriers

Autor: John W. Lyons, David M. Meunier, Eric Pearce, Yongfu Li, Daniel J. Murray, Tirtha Chatterjee

Publikováno v: Journal of Chromatography A. 1475:41-54

A fundamental study of the separation of homopolymers from polystyrene-block-polymethylmethacrylate (PS-b-PMMA) by liquid chromatography with preloaded discrete and continuous adsorption promoting barriers was performed. The impact of barrier composi

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https://doi.org/10.1016/j.chroma.2016.10.070

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Separating effective high density polyethylene segments from olefin block copolymers using high temperature liquid chromatography with a preloaded discrete adsorption promoting solvent barrier

Autor: Todd O. Pangburn, Tirtha Chatterjee, Eric Pearce, Yongfu Li, John W. Lyons, Mark A. Rickard, A. Willem deGroot, Rongjuan Cong, David M. Meunier

Publikováno v: Journal of Chromatography A. 1465:107-116

Recent advances in catalyst technology have enabled the synthesis of olefin block copolymers (OBC). One type is a "hard-soft" OBC with a high density polyethylene (HDPE) block and a relatively low density polyethylene (VLDPE) block targeted as thermo

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https://doi.org/10.1016/j.chroma.2016.08.055

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Size-exclusion chromatography of ultrahigh molecular weight methylcellulose ethers and hydroxypropyl methylcellulose ethers for reliable molecular weight distribution characterization

Autor: Hongwei Shen, Robert L. Sammler, David M. Meunier, Yongfu Li, Meinolf Brackhagen, John W. Lyons

Publikováno v: Carbohydrate Polymers. 138:290-300

Size-exclusion chromatography (SEC) coupled with multi-angle laser light scattering (MALLS) and differential refractive index (DRI) detectors was employed for determination of the molecular weight distributions (MWD) of methylcellulose ethers (MC) an

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https://doi.org/10.1016/j.carbpol.2015.11.003

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Determination of Particle Size Distributions, Molecular Weight Distributions, Swelling, Conformation, and Morphology of Dilute Suspensions of Cross-Linked Polymeric Nanoparticles via Size-Exclusion Chromatography/Differential Viscometry

Autor: Christopher J. Tucker, Q. Jason Niu, Paul S. Russo, Kevin J. Bouck, Nadia J. Edwin, Thomas H. Kalantar, Joseph J. Kiefer, David M. Meunier, H. Craig Silvis, L. Mark DeLong, Rafael Cueto, Yongfu Li, John W. Lyons

Publikováno v: Macromolecules. 47:6715-6729

Size-exclusion chromatography (SEC), coupled with differential viscometry detection (SEC/DV), is applied to the dilute suspension characterization of solvent-swollen cross-linked polymeric nanoparticles (PNPs). Cross-linked, unimolecular polymeric na

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https://doi.org/10.1021/ma501420z

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Optical properties of Bi2(Te1−xSex)3 thin films

Autor: Jacek K. Furdyna, Margaret Dobrowolska, Xinyu Liu, Ellen T. Holmgren, John W. Lyons, Xiang Li, Frank Peiris

Publikováno v: Journal of Vacuum Science & Technology B. 37:031205

Using spectroscopic ellipsometry, the dielectric functions of a series of topological insulators, including Bi2Te3, Bi2Se3, and their ternary alloys, were determined. The ellipsometry measurements were obtained using an IR-spectroscopic ellipsometer,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bed1a157efb8c94104e4a390ea587ed
https://doi.org/10.1116/1.5088990

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Separation of polyolefins based on comonomer content using high-temperature gradient adsorption liquid chromatography with a graphitic carbon column

Autor: A. Willem deGroot, Freddy Van Damme, Bill Winniford, John W. Lyons, Matthew Miller

Publikováno v: Journal of Applied Polymer Science. 123:1238-1244

This report describes the application of a recently developed polyolefin characterization tool based upon gradient adsorption high-temperature liquid chromatography (HT-LC) using a graphitic carbon stationary phase to polyolefin homopolymer and previ

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https://doi.org/10.1002/app.33809

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