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It channels oxygen and inhalational anaesthetic to the lungs. It can be used during anaesthesia, or while a patient is unconscious. Laryngeal mask airways are designed to be an easy way to secure the airway and ventilate a patient – they are easier to place than tracheal intubation due to the lack of muscle relaxants and laryngoscopy.
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Bathocuproine is an organic compound with the formula (C 6 H 5) 2 (CH 3) 2 C 12 H 4 N 2. It is related to [Phenanthroline|1,10-phenanthroline]] by the placement of two methyl groups and two phenyl groups in the 2,9 and 4,7 positions, respectively. Like 1,10-phenanthroline, bathocuproine is a bidentate chelating ligand.
The X-24 (Model SV-5P) was built by Martin Marietta and flown from Edwards AFB, California. The X-24A was the fourth lifting body design to fly; it followed the NASA M2-F1 in 1964, the Northrop HL-10 in (1966), the Northrop M2-F2 in 1966 and preceded the Northrop M2-F3 (1970). The X-24A was a fat, short teardrop shape with vertical fins for ...
[2] The simplicity of placement is the main advantage of the Combitube over endotracheal intubation . When intubating with a traditional endotracheal tube, care must be taken to visually ensure that the tube has been placed in the trachea while the dual-lumen design of the Combitube allows for ventilation to proceed regardless of esophageal or ...
The Chesapeake and Ohio Railway's K-4 class were a group of ninety 2-8-4 steam locomotives purchased during and shortly after World War II. [1] Unlike many other railroads in the United States, the C&O chose to nickname this class "Kanawha", after the river in West Virginia, rather than "Berkshire", after the region in New England.
LMA can also be viewed as Gauss–Newton using a trust region approach. The algorithm was first published in 1944 by Kenneth Levenberg , [ 1 ] while working at the Frankford Army Arsenal . It was rediscovered in 1963 by Donald Marquardt , [ 2 ] who worked as a statistician at DuPont , and independently by Girard, [ 3 ] Wynne [ 4 ] and Morrison.
No locos were preserved, but the January 2013 edition of The Railway Magazine reported that a new-build project to recreate a Fowler 2-6-4T was at an initial research stage. In May 2015, the LMS-Patriot Project announced that after the completion of Patriot Class No. 45551 The Unknown Warrior , it would begin construction on a new-build Fowler ...