Research library catalogs serve as authoritative sources of access. The increasing practice of including Web sites in the catalog, resources not under the library's control, raises new issues of the catalog's accuracy and reliability. An analysis of ARL libraries' catalogs examined the persistence of cataloged URLs. Error rates ranged from a low of 0% to an unacceptable Nike Air Force Canada high of 58.33%.
A new spectral variation bound is given for linear operators acting on normed linear spaces. This bound is derived using the Cayley-Hamilton theorem and Chebychev polynomials.
A sub-analysis was conducted of data from a study of prolonged use of sucrose for hospitalized infants (N = 50 infants) during heel lancing. Results showed that pain responses differed when opioid analgesics were administered concomitantly with sucrose (n = 79 pain Air Max 2014 Price assessments), than when sucrose was administered alone (n = 364 pain assessments).
The work is an attempt at a model presentation, using a new multi-criteria mathematical method called the analytical hierarchy process, of polyphenol supply to human organisms from fruit and vegetables. On this basis, plant raw materials which supply polyphenols to the organism to the greatest extent and thus contribute to an improvement in health state of people in Poland were identified.