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Статті в журналах з теми "Barium"
Reissig, Falco, Klaus Kopka, and Constantin Mamat. "Die Bedeutung des Elementes Barium in der Nuklearmedizin." Der Nuklearmediziner 44, no. 02 (June 2021): 127–34. http://dx.doi.org/10.1055/a-1382-2812.
Повний текст джерелаUrade, Masaaki, and Toshihumi Shinbo. "Barium Appendicitis 1 Month After a Barium Meal." International Surgery 97, no. 4 (January 1, 2013): 296–98. http://dx.doi.org/10.9738/cc160.1.
Повний текст джерела&NA;. "Barium." Reactions Weekly &NA;, no. 1403 (May 2012): 10. http://dx.doi.org/10.2165/00128415-201214030-00025.
Повний текст джерела&NA;. "Barium." Reactions Weekly &NA;, no. 369 (September 1991): 5. http://dx.doi.org/10.2165/00128415-199103690-00016.
Повний текст джерела&NA;. "Barium." Reactions Weekly &NA;, no. 1227 (November 2008): 6–7. http://dx.doi.org/10.2165/00128415-200812270-00017.
Повний текст джерелаWillms, Ann Bagley. "Barium." American Journal of Roentgenology 179, no. 4 (October 2002): 1022. http://dx.doi.org/10.2214/ajr.179.4.1791022.
Повний текст джерела&NA;. "Barium." Reactions Weekly &NA;, no. 1257 (June 2009): 10. http://dx.doi.org/10.2165/00128415-200912570-00030.
Повний текст джерела&NA;. "Barium." Reactions Weekly &NA;, no. 1326 (November 2010): 10. http://dx.doi.org/10.2165/00128415-201013260-00031.
Повний текст джерелаDALTON, LOUISA WRAY. "BARIUM." Chemical & Engineering News 81, no. 36 (September 8, 2003): 134. http://dx.doi.org/10.1021/cen-v081n036.p134.
Повний текст джерелаFree, B., G. Meadows, and G. Jaafari. "Barium/barium oxide dispensation rate measurement." Applied Surface Science 24, no. 3-4 (October 1985): 460–74. http://dx.doi.org/10.1016/0169-4332(85)90193-x.
Повний текст джерелаДисертації з теми "Barium"
Zhong, Zhimin. "Combustion syntheses and characterization of Barium Titanate, Barium Tetratitanate and Lead substituted Barium Tetratitanate /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487861396027028.
Повний текст джерелаRai, Maha. "Molecular dynamics modelling of barium silicate and barium fluorozirconate glasses." Thesis, University of Kent, 2018. https://kar.kent.ac.uk/66702/.
Повний текст джерелаKinsey-Nielsen, Susan Mary. "HIGH-RESOLUTION LASER SPECTROSCOPY OF BARIUM-MONOHYDROXIDE AND BARIUM-MONODEUTEROXIDE." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/292080.
Повний текст джерелаKirby, Nigel Matthew. "Barium zirconate ceramics for melt processing of barium cuprate superconductors." Thesis, Curtin University, 2003. http://hdl.handle.net/20.500.11937/1364.
Повний текст джерелаKirby, Nigel Matthew. "Barium zirconate ceramics for melt processing of barium cuprate superconductors." Curtin University of Technology, Department of Applied Physics, 2003. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=16216.
Повний текст джерелаBased primarily on solid-state processing research, the optimal stoichiometry for corrosion resistant crucibles was observed over the narrow range of 1.003±0.003 Ba : (Zr + Ht) mole ratio. Residual ZrO2 must be strictly avoided even at very low levels because severe localized expansion of Z a grains during reaction with the melt severely reduces corrosion resistance. Although the effect of Ba-rich phases are less severe, their abundance must be suppressed as much as allowed by the production process. Solid-state derived crucibles with a large barium excess were unstable and readily attacked by water. TEM analysis clearly showed residual Zr02 was present as discrete grains and not as grain boundary films, and also the prevalence of intragranular defects in Ba-rich ceramics. Quantitative knowledge of the narrow range of required stoichiometry is critical for developing successful solid-state and solution chemical processes. Reliably achieving the required stoichiometry and phase purity is experimentally challenging and beyond the capability of many processing systems. Systematic investigation revealed sharp changes in physical properties of processed powders across the phase boundary. The resistance of BaZrO3, of the desired stoichiometry to grain growth during powder processing has not previously been reported in the available literature. At the desired stoichiometry for corrosion resistance, powder grain growth resistance combined with very precise control over stoichiometry makes the solid-state process more competitive with solution-based processes than previously acknowledged in the literature. The development of solution processes for BaZr03 precursors is complicated by aqueous chemistry of zirconium compounds.
This project developed the first chemically derived precursor process demonstrated to produce a ceramic of adequate quality for sustained barium cuprate melt containment. The barium acetate / zirconium oxychloride / ammonium oxalate system provided control over stoichiometry without requiring elevated solution temperatures, a large excess of barium reagents, or reagents containing alkalis. Despite showing the capability to supersede the solid-state process, the oxalate process still requires further refinement to more reliably achieve high sintered densities. Although the attributes required for sustained barium cuprate melt containment are now clear, its routine mass production remains reliant on further development of solution chemical techniques or improvements to the kinetics of solid-state processing. This project advanced ceramic design and processing technology in the BaZrO3 system and provided new approaches in meeting the challenging analytical needs of research and process control for high quality production of this compound.
Lehnen, Peer. "Relaxoreigenschaften von Strontium-Barium-Niobat - Relaxor Properties of Strontium-Barium-Niobate." Gerhard-Mercator-Universitaet Duisburg, 2001. http://www.ub.uni-duisburg.de/ETD-db/theses/available/duett-12132001-102821/.
Повний текст джерелаMaie, Hiroki. "Synthesis and dielectric properties of nanocrystalline barium titanate and silver/barium titanate particles." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1211387100/.
Повний текст джерелаNabasenja, Caroline. "Radiation doses for barium meals and barium enemas in the Western Cape South Africa." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/1560.
Повний текст джерелаSince their discovery in 1895, the use of x-rays is continuously evolving in medicine making the diagnosis of injuries and diseases more practicable. It is therefore not surprising that x-rays contribute 90% of the radiation dose to the population from manmade sources (DWP, 1992). Moreover, these radiation doses are associated with both fatal and non-fatal cancer risk that is detrimental to adults between 20 to 60 years (Wall, 1996). Radiation dose to individuals therefore needs to be actively monitored in order to minimise such risk. Barium contrast examinations were characterised as one of the radiological examinations that contributed enormously to the collective dose to the patients in the radiology department (DWP, 1992). Determining the diagnostic reference levels of such examinations would reduce the over-exposure of individuals to ionising radiation. Currently in South Africa (SA), there are no diagnostic dose reference levels for barium meal (BaM) and barium enema (BaE) examinations. This study therefore investigated the radiation doses delivered to patients referred for BaM and BaE, obtained potential regional reference doses for these examinations, compared the radiation doses obtained with those from similar dosimetry studies and investigated sources of dose variation among the study sites. A total of 25 BaM and 30 BaE patients in the age range 18 to 85 years, weighing 50 kg to 90 kg, at 3 hospitals in the Western Cape, SA were investigated. The radiation dose to the patients was measured using Dose Area Product (DAP) meters that were permanently fitted onto fixed fluoroscopy units at these 3 hospitals. The third quartile DAP values were 20.1 Gycm2 and 36.5 Gycm2 for BaM and BaE respectively. The median DAP values were 13.6 Gycm2 and 27.8 Gycm2 for BaM and BaE respectively. The median values were recommended as the potential Diagnostic Reference Levels for BaM and BaE as they are less affected by outlying values of under or over- weight (Yakoumakis, Tsalafoutas, Sandilos, Koulentianos et al, 1999). The weights of the patients, fluoroscopy time, the number of images obtained, the use of digital or conventional fluoroscopy equipment and the level of training of the radiologists were the factors considered for dose variation among the 3 hospitals.
Jakubek, Zygmunt J. (Zygmunt Jerzy). "Rydberg spectroscopy of barium monofluoride." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/32154.
Повний текст джерелаYang, Yaodong. "Barium Titanate-Based Magnetoelectric Nanocomposites." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/38666.
Повний текст джерелаPh. D.
Книги з теми "Barium"
Harlal, Choudhury, Cary R, World Health Organization, International Labour Organisation, United Nations Environment Programme, International Program on Chemical Safety., and Inter-Organization Programme for the Sound Management of Chemicals., eds. Barium and barium compounds. Geneva: World Health Organization, 2001.
Знайти повний текст джерелаVeterans Administration Medical Center (Seattle, Wash.), ed. Barium enema. Seattle [Wash.]: Veterans Administration Medical Center, 1985.
Знайти повний текст джерелаDaphne, Moffett, United States. Agency for Toxic Substances and Disease Registry., Syracuse Research Corporation, and United States. Environmental Protection Agency., eds. Draft toxicological profile for barium and barium compounds. Atlanta, Ga: Agency for Toxic Substances and Disease Registry, 2005.
Знайти повний текст джерелаKamal, M. Barium enema audit. [Edinburgh]: Scottish Office, 1994.
Знайти повний текст джерелаCittadini, Giorgio. Double contrast barium enema. Milano: Springer Milan, 1998. http://dx.doi.org/10.1007/978-88-470-2217-1.
Повний текст джерелаInternational Program on Chemical Safety., International Labour Organisation, United Nations Environment Programme, and World Health Organization, eds. Barium health and safety guide. Geneva: World Health Organization, 1991.
Знайти повний текст джерелаI, Rozovskiy G., and United States. National Aeronautics and Space Administration., eds. Electrochemical synthesis of barium cuprate. Washington, DC: National Aeronautics and Space Administration, 1989.
Знайти повний текст джерелаP, Khanna P., and Bhabha Atomic Research Centre, eds. An Inductively coupled plasma atomic emission spectrometry (ICO-AES) method for the determination of barium and strontium in water. Mumbai: Bhabha Atomic Research Centre, 1999.
Знайти повний текст джерелаLea, David Wallace. Foraminiferal and coralline barium as paleoceanographic tracers. Wood Hole, Mass: Woods Hole Oceanographic Institution, 1989.
Знайти повний текст джерелаGreat Britain. Health and Safety Executive., ed. Barium sulphate: Risk assessment document : EH72/9. Sudbury: HSE, 1997.
Знайти повний текст джерелаЧастини книг з теми "Barium"
White, William M. "Barium." In Encyclopedia of Earth Sciences Series, 1–3. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-39193-9_79-1.
Повний текст джерелаWhite, William M. "Barium." In Encyclopedia of Earth Sciences Series, 91–93. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_79.
Повний текст джерелаPohling, Rolf. "Barium." In Chemische Reaktionen in der Wasseranalyse, 25–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-36354-2_4.
Повний текст джерелаBourgeois, Marie M. "Barium." In Hamilton & Hardy's Industrial Toxicology, 57–62. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781118834015.ch08.
Повний текст джерелаGooch, Jan W. "Barium." In Encyclopedic Dictionary of Polymers, 66. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1058.
Повний текст джерелаBrookins, Douglas G. "Barium." In Eh-pH Diagrams for Geochemistry, 168–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73093-1_60.
Повний текст джерелаMoore, Jame W. "Barium." In Springer Series on Environmental Management, 43–49. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3004-5_5.
Повний текст джерелаWare, George W. "Barium." In Reviews of Environmental Contamination and Toxicology, 13–23. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4684-7083-3_2.
Повний текст джерелаMadejón, Paula. "Barium." In Environmental Pollution, 507–14. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4470-7_19.
Повний текст джерелаCittadini, Giorgio. "Barium suspensions." In Double contrast barium enema, 83–90. Milano: Springer Milan, 1998. http://dx.doi.org/10.1007/978-88-470-2217-1_14.
Повний текст джерелаТези доповідей конференцій з теми "Barium"
Middleton, Julia, Adina Paytan, and Tristan J. Horner. "Barium-Isotopic Signatures of Barite Diagenesis." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1796.
Повний текст джерелаMiddleton, Julia, Adina Paytan, Mak Saito, and Tristan Horner. "Barium Isotope Signatures of Barite Diagenesis." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.5509.
Повний текст джерелаFang, Wen-Feng, Chin-Yen Tsai, Chia-Cheng Tseng, Shih-Feng Liu, and Meng-Chih Lin. "Acute Barium Intoxication After Accidental Inhalation Of Barium." In American Thoracic Society 2010 International Conference, May 14-19, 2010 • New Orleans. American Thoracic Society, 2010. http://dx.doi.org/10.1164/ajrccm-conference.2010.181.1_meetingabstracts.a6103.
Повний текст джерелаMiddleton, Jule, Adina Paytan, and Tristan Horner. "Barium isotope fractionation during ion exchange at the barite-fluid interface: Implications for barium cycling in seawater." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.12345.
Повний текст джерелаDermine, Tyl, Robert G. Izzard, Alain Jorissen, Ross P. Church, Vicky Kologera, and Marc van der Sluys. "Barium Stars Revisited." In INTERNATIONAL CONFERENCE ON BINARIES: In celebration of Ron Webbink’s 65th Birthday. AIP, 2010. http://dx.doi.org/10.1063/1.3536416.
Повний текст джерелаBalintova, Magdalena, Stefan Demcak, Adriana Estokova, Marian Holub, and Petra Pavlikova. "Study of Thermal Reduction of Barium Sulphate for Barium Sulphide Preparation." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.004.
Повний текст джерелаKhalil, M. S., and F. O. Henk. "Effect of Barium Titanate." In Conference Record of the 1996 IEEE International Symposium on Electrical Insulation. IEEE, 1996. http://dx.doi.org/10.1109/elinsl.1996.549430.
Повний текст джерелаTeng, Ye Y., and Chuen Wong. "Photorefractive crystals: barium titanate." In Beijing - DL tentative, edited by Sui-Sheng Mei and Bingkun Zhou. SPIE, 1993. http://dx.doi.org/10.1117/12.144091.
Повний текст джерелаMcGinty, Jim, Thomas E. McHugh, and Elaine A. Higgins. "Barium Sulfate: A Protocol for Determining Higher Site-Specific Barium Cleanup Levels." In E&P Environmental and Safety Conference. Society of Petroleum Engineers, 2007. http://dx.doi.org/10.2118/106802-ms.
Повний текст джерелаGouzie, Douglas. "EVALUATING BARIUM CONCENTRATIONS IN CAVE SEDIMENTS - INTERPRETING AND UNDERSTANDING THE BARIUM DATABASES." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-301630.
Повний текст джерелаЗвіти організацій з теми "Barium"
Tang, C. L. Beta-Barium Borate Optical Parametric Oscillator. Fort Belvoir, VA: Defense Technical Information Center, August 1991. http://dx.doi.org/10.21236/ada251177.
Повний текст джерелаBrost, George A. Enhanced Photorefractive Effects in Barium Titanate. Fort Belvoir, VA: Defense Technical Information Center, December 1992. http://dx.doi.org/10.21236/ada264724.
Повний текст джерелаTurner, R. J. W., and W. D. Goodfellow. Barium Carbonate Bodies Associated With the Walt [Cathy] Stratiform Barium Deposit, Selwyn Basin, Yukon: a Possible Vent Complex Associated With a Middle Devonian Sedimentary Exhalative Barite Deposit. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/131402.
Повний текст джерелаStevens, Tyler E., Christopher Brian DiAntonio, Pin Yang, Tom P. Chavez, Michael R. Winter, Todd C. Monson, Alexander William Roesler, and Benjamin D. Fellows. Barium titanate nanocomposite capacitor FY09 year end report. Office of Scientific and Technical Information (OSTI), November 2009. http://dx.doi.org/10.2172/976944.
Повний текст джерелаHeid, Christy A., Brian P. Ketchel, Gary L. Wood, Richard J. Anderson, and Gregory J. Salamo. 3-D Holographic Display Using Strontium Barium Niobate. Fort Belvoir, VA: Defense Technical Information Center, February 1998. http://dx.doi.org/10.21236/ada338490.
Повний текст джерелаLuke, J. R., and M. S. El-Genk. A transient model of a cesium-barium diode. Office of Scientific and Technical Information (OSTI), January 1995. http://dx.doi.org/10.2172/538071.
Повний текст джерелаDawson, K. R. Mineral Deposit Map, Barium, Strontium and Fluorine in Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120332.
Повний текст джерелаDawson, K. R. Geology of barium, strontium, and fluorine deposits in Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120333.
Повний текст джерелаFalkner, Kelly K. Development of a Fluorescence-Based in-situ Barium Sensor. Fort Belvoir, VA: Defense Technical Information Center, October 1999. http://dx.doi.org/10.21236/ada375880.
Повний текст джерелаWuest, C. R., and G. J. Mauger. Effects of light exposure on irradiated barium fluoride crystals. Office of Scientific and Technical Information (OSTI), April 1993. http://dx.doi.org/10.2172/10185312.
Повний текст джерела