نتایج جستجو برای: 4000 2 4
تعداد نتایج: 3122165 فیلتر نتایج به سال:
Comparative study of measured and modelled number concentrations of 1 nanoparticles in an urban street canyon 2 Prashant Kumar , Andrew Garmory, Matthias Ketzel, Ruwim Berkowicz, and Rex Britter 3 Department of Engineering, University of Cambridge, CB2 1PZ Cambridge, United Kingdom 4 School of Engineering, University of Surrey, Guildford GU2 7XH, United Kingdom 5 Department of Atmospheric Envir...
1 60 rue des bergers, 75015 Paris, France e-mail: [email protected] 2 Université de Liège, 17 Allée du 6 Août, 4000 Sart Tilman, Belgium 3 European Southern Observatory, Alonso de Cordóva 3107, Vitacura, Santiago, Chile e-mail: [email protected] 4 NASA-Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA 5 Techspace-Aero, route de Liers ...
The need, safety, and effectiveness of vitamin D supplementation during pregnancy remain controversial. In this randomized, controlled trial, women with a singleton pregnancy at 12 to 16 weeks' gestation received 400, 2000, or 4000 IU of vitamin D(3) per day until delivery. The primary outcome was maternal/neonatal circulating 25-hydroxyvitamin D [25(OH)D] concentration at delivery, with second...
1 24 Mill Stream Drive, Charters Settlement, NB, Canada E3C 1X1 2 Agriculture and Agri-Food Canada, Canadian National Collection of Insects, Arachnids and Nematodes, Ottawa, Ontario, Canada K1A 0C6 3 Natural Resources Canada, Canadian Forest Service Laurentian Forestry Centre, 1055 du P.E.P.S., P.O. Box 10380, Stn. Sainte-Foy, Québec, Quebec, Canada G1V 4C7 4 Natural Resources Canada, Canadian ...
UTA ECKHARDT,1 ALICE SCHROEDER,1 BRUNO STIEGER,1 MATHIAS HÖCHLI,2 LUKAS LANDMANN,3 RONALD TYNES,4 PETER J. MEIER,1 AND BRUNO HAGENBUCH1 1Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, CH-8091 Zurich; 2Central Laboratory for Electron Microscopy, University of Zurich, CH-8028 Zurich; 3Department of Anatomy, University of Basel, CH-4000 Basel; and 4D...
IJABELEI) URIC ACTI) (as a 0.50 c./ml. solution in dilute fornmalin) and glucose (as a 5.0 .tc./ml. solution in saturated henzoic acid) were used. Tlmese were diluted with distilled water, and 0.20-mi. aliquots were placed in the bottom of 25-mm. test tui)es om25-nil. Erlenmeyer flasks and evaporated to dryimess. Dilutions were calculated to keep counting rates between 4000 and 2 ,000 cprn. As ...
BACKGROUND Chronic constipation is frequent in children. The objective of this study is to compare the efficacy and safety of PEG 4000 and lactulose for the treatment of chronic constipation in young children. METHODS This randomised, double-blind study enrolled 88 young children aged 12 to 36 months, who were randomly assigned to receive lactulose (3.3 g per day) or PEG 4000 (8 g per day) fo...
امروزه تنوع محصولات پلیمری سنتزی بسیار بالا می باشد اما پیشرفت های اخیر به جای استفاده از طراحی پرهزینه جهت تولید یک ماده جدید، روند اصلاح مواد را در بر گرفته است. روش پلیمری شدن رادیکال آزاد کنترل شده/ زنده امکان سنتز و تولید دامنه ی وسیعی از محصولات پلیمری و مواد جدید را با ساختارهای از پیش تعیین شده در شرایط فرآیندی آسان تر نسبت به روش پلیمری شدن یونی فراهم می کند. فرایند انتقال به زنجیر افز...
BACKGROUND The recording of otoacoustic emissions (OAE) enabled us to prove that the cochlea is able not only to receive sounds but also to produce acoustic energy. Through the use of distortion-product otoacoustic emission measurements, the growth of the response was seen according to the intensity of the sound stimulus presented (growth curve). OBJECTIVE to determine the thresholds for the ...
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