Zobrazeno 1 - 10 of 11 pro vyhledávání: '"J. D. Louden"'
1
Measurement of cure in optical fiber coatings by infrared microspectroscopy
Autor: J. D. Louden
Publikováno v: Journal of Applied Polymer Science. 57:1575-1584
A method suitable for measuring the state of cure in acrylate optical fiber coating is described. Both the outermost (secondary) and the innermost (primary) coatings cure states can be determined. The method is reproducible and suitable for manufactu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c786871c1667bcb7d18589455045845
https://doi.org/10.1002/app.1995.070571305
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2
The application of infrared microimaging for the determination of the distribution, penetration depth, and diffusion profile of methyl centralite and dibutyl phthalate deterrents in nitrocellulose monoperforated propellant
Autor: I. A. Duncan, J. Kelly, R. M. Speirs, J. D. Louden
Publikováno v: Journal of Applied Polymer Science. 49:275-289
Infrared microspectroscopy was used to determine quantitatively and qualitatively methyl centralite (MC) and dibutyl phthalate (DBP) diffusion profiles in cross sections of nitro-cellulose-based monoperforated propellant grains. The absorbance values
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::172fcdcfb7e10e0b4bebb235025f2f49
https://doi.org/10.1002/app.1993.070490209
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3
What have isotope studies in humans told us about the nutritional effects of acidosis in dialysis?
Autor: J D, Louden, R G, Roberts, T H, Goodship
Publikováno v: Seminars in dialysis. 13(4)
In order to understand how acidosis might predispose to loss of lean body mass it is important to recognise that body protein is in a dynamic state with a daily turnover of approximately 300 g of protein in a 60 kg man. This is significantly greater
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::1263122fb7e93ed550e92016ef086921
https://pubmed.ncbi.nlm.nih.gov/10923353
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4
Taking precautions with angiotensin converting enzyme inhibitors
Autor: J. D Louden, J. Main, D. R Murdoch, T. A Chowdhury, M. Ferris, A Kumar, M Asim, A M Davison
Publikováno v: BMJ. 318:257-257
Editor—We agree with Kumar et al that an awareness of the high risk of atherosclerotic renal artery stenosis is important in patients with vascular disease elsewhere, particularly if treatment with angiotensin converting enzyme inhibitors is being
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbf33ad08d5c434b2e59c49beb24229c
https://doi.org/10.1136/bmj.318.7178.257
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5
Raman microspectroscopic determination of the methyl centralite (N, N′-dimethyl-N, N′-diphenylurea) concentration profile in a nitrocellulose extruded mono-perforated small arms propellant
Autor: J. D. Louden, J. Phillipson, J. Kelly
Publikováno v: Journal of Raman Spectroscopy. 18:137-140
A Raman microspectroscopic method for the determination of the concentration profile of a deterrent (methyl centralite) diffused into an extruded single base mono-perforated small arms propellant (nitrocellulose) is presented. Preliminary results ind
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40de6202ba28b7e27a73e4ced8fc97cc
https://doi.org/10.1002/jrs.1250180214
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6
Methylcentralite concentration profiles in monoperforated extruded nitrocellulose and nitrocellulose/nitroglycerine propellant grains by Raman microspectroscopy
Autor: J. D. Louden, J. Kelly, J. Phillipson
Publikováno v: Journal of Applied Polymer Science. 37:3237-3250
Raman microscopy was used to determine the methylcentralite (MC) concentration profiles diffused into single-base (nitrocellulose) (NC) and double-based (nitrocellulose/nitroglycerine) (NC/NG) small-arms propellant grains. External and internal conce
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d8ea3571236aee46e9b109999f1395a
https://doi.org/10.1002/app.1989.070371114
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7
Use of time-resolved Raman spectroscopy for measuring mixing times and concentrations
Autor: J. D. Louden, A. Lorriaux-Rubbens, Michel Bridoux, L. Nouël De Kerangue, B. W. Cook, F. Wallart
Publikováno v: Journal of Raman Spectroscopy. 18:163-169
Time-resolved Raman spectroscopy (TRRS) is presented as a non-invasive technique for measuring mixing/concentration profiles in a fully baffled disc turbine-agitated tank.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::45fc58e025ff40147313bffd0c2d65a8
https://doi.org/10.1002/jrs.1250180304
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9
A 180° microscope sampling and viewing attachment for a laser Raman spectrometer
Autor: J. D. Louden, B. W. Cook
Publikováno v: Journal of Raman Spectroscopy. 8:249-250
A backscattering collection and viewing system for Raman spectroscopy using a microscope is described. Provision of both 90° and 180° collection systems permanently attached to the same monochromator results in a very powerful analytical spectromet
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30aafadcafbf22108365d0abec83c557
https://doi.org/10.1002/jrs.1250080506
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10
The presence of graphitic carbon in thin films of magnesium oxide as detected by surface Raman spectroscopy
Autor: B. Cook, N. M. D. Brown, W. J. Nelson, J. D. Louden
Publikováno v: Journal of Raman Spectroscopy. 8:229-230
Here is reported for the first time using surface laser Raman spectroscopy the presence of graphitic carbon in thin films (50–100 A thick) of inagnesium oxide grown directly on magnesium metal by both thermal and d.c. plasma oxidation. The two char
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f44e4c28a3527b7cc94e89aaf54efa81
https://doi.org/10.1002/jrs.1250080413
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