思想 发表于 2025-3-23 11:08:58
vieweg studium; Grundkurs Mathematikorted outbreaks increased from less than 10 per year in the early 1980’s to 10–20 per year from 1986–1993 and by 1994, over 30 outbreaks were reported. Not only has the frequency of nosocomial outbreaks increased, but .. . has become a problem in most European countries in addition to a known probleIsometric 发表于 2025-3-23 17:11:31
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https://doi.org/10.1007/978-3-322-94308-8 this technique suffers from several disadvantages including time (it takes 24–48 hours), lack of standardization, heavy demands on staff, and difficulty in obtaining the antiserum..Identification of the toxins has recently been improved by the introduction of commercial immuno-enzymatic (ELISA) tes烦扰 发表于 2025-3-24 10:43:03
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Introduction,in zwei große Teile zu zerlegen. Man spricht von einer Metallhüttenkunde, welche die Lehre der Gewinnung sämtlicher Metalle mit Ausnahme des Eisens umfaßt, und von einer Etsenhüttenkunde, welche nur von der Darstellung und Weiterentwickelung des Eisens hanbelt. In den Bereich der letzteren gehört je