نتایج جستجو برای: bunsen burner
تعداد نتایج: 2017 فیلتر نتایج به سال:
Lerner, called “The Bunsen Burner” by his high school classmates, was a scientist’s scientist. Born in 1921, he later took Bunsen as his middle name. He earned his M.D. and Ph.D. degrees from the University of Minnesota, both in 1945. In 1952, he moved to Oregon with his friend and colleague Thomas B. Fitzpatrick, who was the newly appointed head of the University of Oregon Medical School’s Div...
The Fisher Burner produces an intensly hot flame for all types of laboratory heating operations including many ignitions and incinerations which otherwise would require the use of compressed air. Instead of the cold cone and hot tip characteristic of the Bunsen flame, the Fisher flame is short and wide and is uniformly hot throughout.
Protein crystallization screens frequently yield salt crystals as well as protein crystals. A simple method for determining whether a crystal is composed of salt or macromolecules is suggested. A drop containing one or more crystals is transferred to a glass cover slip and the cover slip is then passed through the flame of a Bunsen burner. Macromolecule crystals are destroyed by this treatment,...
This chapter describes common laboratory procedures that can reduce the risk of culture contaminations (sepsis), collectively referred as "aseptic technique." Two major strategies of aseptic work are described: using a Bunsen burner and a laminar flow hood. Both methods are presented in the form of general protocols applicable to a variety of laboratory tasks such as pipetting and dispensing al...
The equivalence ratio ranges were found between 22.77 and 42.93 for the Saudi LPG/air mixture using a traditional Bunsen burner. An operation problem was with burner mixture, especially in lean mixture. Therefore, successfully modified to overcome limits of different mixtures stable flame obtained. 0.68 1.30 A premixed used MATLAB algorithm applied image processing measurement laminar burning v...
Experimental and numerical techniques to characterize the response of premixed methane-air flames to acoustic waves are discussed and applied to a multi-slit Bunsen burner. The steady flame shape, flame front kinematics and flow field of acoustically exited flames, as well as the flame transfer function and matrix are computed. The numerical results are compared with experiments. The influence ...
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