نتایج جستجو برای: bunsen burner

تعداد نتایج: 2017  

2013
F. Habashi

Although most of the rare earth metals were discovered in Sweden, the industrialisation started in the Austrian Empire. This was due to the fact that the Swedish chemist Jons Fridrik Bahr (1815–1875) from Uppsala went to Heidelberg in Germany in 1855 to analyse some rare earth minerals by the spectroscope discovered recently by chemistry professor Robert Bunsen (1811– 1899) and his colleague ph...

2009
Chira R. Bhattacharjee Satya B. Paul Abhijit Nath Pinak P. N. Choudhury Sudip Choudhury

Calcium sulphate nanocomposite materials (CB) have been synthesised from plant charcoal. Crushed charcoal powder was heated to red hot over a Bunsen burner flame and produced a white material which has been isolated. The surface morphology of the material has been studied by Scanning Electron Microscopy (SEM) and the elements were analyzed by Energy Dispersion Spectroscopy (EDS). To explore the...

2012
Erin R. Sanders

Microorganisms are everywhere - in the air, soil, and human body as well as on inanimate surfaces like laboratory benches and computer keyboards. The ubiquity of microbes creates a copious supply of potential contaminants in a laboratory. To ensure experimental success, the number of contaminants on equipment and work surfaces must be minimized. Common among many experiments in microbiology are...

Journal: :Equine veterinary journal 2010
M E Alvarez C E Giraldo J U Carmona

REASONS FOR PERFORMING STUDY There is a growing interest in the use of autologous platelet concentrates (PCs) as treatment for chronic musculoskeletal diseases in horses. However, there is no information on the risk of bacterial contamination during their preparation. OBJECTIVES To: 1) assess the risk of bacterial contamination in equine PCs obtained by the tube method under 3 technical condi...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 1998

Journal: :International Journal of Heat and Technology 2020

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 2001

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید