نتایج جستجو برای: 15 and 25
تعداد نتایج: 16942994 فیلتر نتایج به سال:
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
Zur Erinnerung: Der (damalige) Arbeitskreis Test, Analyse und Verifikation von Software (TAV) der Fachgruppe Softwaretechnik wurde durch Andreas Spillner und Peter Liggesmeyer im Juni 1991 ins Leben gerufen. Das 8. Treffen im Oktober 1995 war dann das Gründungstreffen der Fachgruppe TAV. Dieses Jahr nun konnte die FG TAV ein Jubiläum feiern, denn das 25. Treffen fand am 15. und 16. Februar 2007...
Preoperative radiotherapy lowers local recurrence rates after rectal cancer surgery, as seen in several randomised trials. Postoperative radiotherapy is also effective, although a higher radiation dose is required. In addition, preoperative, but not postoperative (unless combined with chemotherapy) radiotherapy also improves survival slightly. Since the toxicity profile also favours preoperativ...
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
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····························· P3 Introduction ·····························P4-8 Material and Methods ·························P9-12 Results ······························· P13-19 Discussion and Conclusions ·······················P20-24 Acknowledgements ·························· P24 References ····························· P25-26
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