Primary vs. Secondary Sources Kati Tvaruzka, Assistant Professor Education Librarian McIntyre Library, University of Wisconsin-Eau Claire tvaruzke@uwec.edu Primary Sources Contemporary Accounts of an event written by the person who witnessed or experienced it. FIRST HAND! Original Documents, Unpublished...
Primary Sources vs Secondary Sources What’s the difference and why it matters What is a Primary Source? original records of the political, economic, artistic, scientific, social, and intellectual thoughts and achievements of specific historical periods. Produced by the people who participated in and...
SecondaryMarkets Asecondarymarketisaplacewherefinancialinstrumentssuchasstockscanbetraded—thatis,reboughtandresold.Functions:first,Secondarymarketsprovideacentralizedmarketplacewhereeconomicagentsknowtheycantransactquicklyandefficiently.Second,Secondarymarketsofferbenefitstobothinvestorsandissuingcorporations.Third,Secondary...
1、Primary Markets versus Secondary MarketsChapter 7Lead-inLanguage NotesKey PointsFollow-up Tasks7.17.37.27.4CONTENTSExtended Tasks7.57.1Lead-inThis chapter will first of all look at the primary market. Secondly, it will look at the secondary market. Finally, it will make a comparison between ...
S., Moer- man, M., Mihalopoulos, N., Kouvarakis, G., Zdimal, V., Zikova, N., Marinoni, A., Bonasoni, P., and Duchi, R.: Primary versus secondary contributions to particle number concentrations in the European boundary layer, Atmos. Chem. Phys., 11, 12007-12036, doi:10.5194/...
Primary versus secondary failure after varicella vaccination: implications for interval between 2 doses. Pediatr Infect Dis J. 2013;32(7):e305-13. DOI: ... - 《Pediatric Infectious Disease Journal》 被引量: 47发表: 2013年 Postlicensure safety surveillance for varicella vaccine Since its licensure...
Primary versus secondary γ intensities in 171Yb(nth,γ) The two published literature values [Greenwood et al., Nucl. Phys. A252, 260 (1975) and Gelletly et al., J. Phys. G 11, 1055 (1985)] for absolute primary ... A.,Schiller,A.,... - 《Phys.rev.c》 被引量: 0发表: 2006...
Primary versus Secondary Sludges Secondary sludges are less amenable to digestion thatprimary sludgebecause they have a lower solids content, and a lower volatile matter (VM):total suspended solidsratio. View chapterExplore book Protein recovery from sludge: A review ...
During this fall-winter period, on average 52% of OC came from primary sources in the three urban areas with the remainder attributed to secondary sources. At the rural site, only 28% of the OC could be ascribed to pri- mary sources, which suggests that secondary sources com- prised a ...
secondary yield of positive ions and are employed as primary sources when enhanced sensitivity to positive ions is desired. Likewise, Cs+and Ga+, electropositive species, are found to increase the secondary yield for some negative ions. Neutral primary beams are used in experiments referred to as...