Výsledky vyhledávání - "R. N. Walker"

Anthropometric Measurements: Effect of CT Depth of Pretracheal Soft Tissue on Tracheotomy Tube Selection

Autor: C. A. Woomert, J. A. Sartorius, R. N. Walker, I. J. Alexander

Publikováno v: AJNR Am J Neuroradiol

BACKGROUND AND PURPOSE: Tracheotomy is a commonly performed procedure; however, in the obese, it can be associated with a high morbidity and mortality, partially due to accidental decannulation. We hypothesize that a simple and rapid measurement of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dac2e4bcb6cfc5be84310532e29c3d1a
https://europepmc.org/articles/PMC7966426/

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A study of laminar air flow through cracks by numerical solution of the differential equations

Autor: M. R. Mokhtarzadeh-Dehghan, R. N. Walker, A. J. Ward-Smith

Publikováno v: International Journal for Numerical Methods in Fluids. 14:1485-1496

This paper describes a numerical study of laminar flow through building cracks such as those found around doors or windows. The mathematical model is based on the solution of the two-dimensional conservation equations of mass and momentum by a finite

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff06f8cd7695d574bd7f513e3792c381
https://doi.org/10.1002/fld.1650141209

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OPTIMAL ENVIRONMENT FOR SUGARCANE MICROPROPAGATION

Autor: L. D. Gautz, J. P. Harris, R N. Walker

Publikováno v: Transactions of the ASAE. 34:2609-2614

optimal environmental conditions were determined for stage n micropropagation of the sugarcane cultivar H62-4671. The optimum conditions based on the cost of production were found to be a temperature of 31° C, a medium sucrose content of 2%, 6 initi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::daa262a6d8999fecb182e51c15ecf7cb
https://doi.org/10.13031/2013.31913

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Proppants? We Don't Need No Proppants

Autor: M. W. Oehler, R. N. Walker, M. F. Richardson, D. N. Meehan, Michael J. Mayerhofer, R. R. Browning

Publikováno v: All Days.

Abstract Fracturing treatments using treated water and very low proppant concentrations ("waterfracs") have proven to be surprisingly successful in the East Texas Cotton Valley sand. This paper presents field and production data from such treatments

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89e6a3b34ba41747e2b5097454f2158a
https://doi.org/10.2118/38611-ms

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The Coxco Deposit; a Proterozoic mississippi valley-type deposit in the McArthur River District, Northern Territory, Australia

Autor: R. N. Walker, J. Smith, B. Gulson

Publikováno v: Economic Geology. 78:214-249

Strata-bound dolomite-hosted lead-zinc deposit. Crusts of colloform sphalerite, galena, pyrite, and marcasite (stage I mineralization) were deposited on the surfaces of the karst-produced solution cavities. Reduced sulfur was produced by sulfate-redu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de0aba98f8519e11637ec348f725d90e
https://doi.org/10.2113/gsecongeo.78.2.214

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Recent geological advances concerning the H.Y.C. and associated deposits, McArthur river, N.Y

Autor: J. G. Binnekamp, R. G. Logan, R. N. Walker

Publikováno v: Journal of the Geological Society of Australia. 24:365-380

Recent mineral exploration in the McArthur River District, Northern Territory, has found new areas of base‐metal mineralization and has resulted in a reinterpretation of the geological setting of the previously discovered mineral deposits. The geol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c7e73d90b7219fd62d51d0ab88b26e9
https://doi.org/10.1080/00167617708728996

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Evidence of major sulphate evaporite deposits in the Proterozoic McArthur Group, Northern Territory, Australia

Autor: M. D. Muir, W. L. Diver, N. Wilkins, N. Williams, R. N. Walker

Publikováno v: Nature. 265:526-529

WE report the occurrence of extensive sulphate evaporite relicts from the McArthur Group (1,600–1,400 Myr old), Northern Territory (16° 30′S: 135° 30′ E approx), Australia. The McArthur Group comprises a sequence of carbonates, shales, siltst

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a248a76405c912bc9836ee621ac1b35
https://doi.org/10.1038/265526a0

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