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Trioxidane can be obtained in small, but detectable, amounts in reactions of ozone and hydrogen peroxide, or by the electrolysis of water.Larger quantities have been prepared by the reaction of ozone with organic reducing agents at low temperatures in a variety of organic solvents, such as the anthraquinone process.
To understand the difference between HO-3 vs. HO-5 home insurance, you have to know a bit about how insurance works. Home insurance policies provide coverage for insurance perils , or types of losses.
HOB: head of bed (usually followed by number of degrees of elevation, e.g., HOB 10°) HOCM: hypertrophic obstructive cardiomyopathy: HONK: hyperosmolar nonketotic state HOPI: History of present illness: H&P: history and physical examination (which very often are considered as a pair) HPA: hypothalamic-pituitary-adrenal axis: HPETE ...
Home insurance, also commonly called homeowner's insurance (often abbreviated in the US real estate industry as HOI [note 1]), is a type of property insurance that covers a private residence.
Holmium(III) oxide, or holmium oxide is a chemical compound of the rare-earth element holmium and oxygen with the formula Ho 2 O 3.Together with dysprosium(III) oxide (Dy 2 O 3), holmium oxide is one of the most powerfully paramagnetic substances known.
A hob, the cutter used for hobbing. Hobbing is a machining process for gear cutting, cutting splines, and cutting sprockets using a specialized milling machine.The teeth or splines of the gear are progressively cut into the material (such as a flat, cylindrical piece of metal or thermoset plastic) by a series of cuts made by a cutting tool.
In a kitchen the hob is a projection, shelf, grate or bench for holding food or utensils at the back or side of a hearth to keep them warm, or an internal chimney-corner. In modern British English usage, the word refers to a cooktop or hotplate , as distinguished from an oven .
Hobnailed boots were formerly common in mountaineering to grip on sloping rock surfaces. These boots tended to have large pointed hobnails on the extreme edges of the soles and heels to grip small roughness on steeply sloping rock and on snow, but have become less common with the invention of crampons.