نتایج جستجو برای: martin kirschner

تعداد نتایج: 19927  

Journal: :European Journal of Cardio-Thoracic Surgery 2015

Journal: :Journal of Orthopedics, Traumatology and Rehabilitation 2018

Journal: :The Annals of The Royal College of Surgeons of England 2009

Journal: :Indian Journal of Thoracic and Cardiovascular Surgery 2017

Journal: :Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 2016

2005
Rolf L. Romer Anette Meixner

The isotopic analysis of boron from material that carries only trace amounts of boron requires low boron blank levels. Large efforts are taken to keep blank levels low by purifying reagents. We performed exposure experiments and determined procedure blanks before and after the air-handling system was modified from silicate glass filters to polyethylene/polystyrole and active carbon filters. Our...

Journal: :Aletria: Revista de Estudos de Literatura 2003

Journal: :Cell Cycle 2003

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