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Biguanide (/ b aɪ ˈ ɡ w ɒ n aɪ d /) is the organic compound with the formula HN(C(NH)NH 2) 2. It is a colorless solid that dissolves in water to give a highly basic solution. It is a colorless solid that dissolves in water to give a highly basic solution.
Term Description Examples Autocracy: Autocracy is a system of government in which supreme power (social and political) is concentrated in the hands of one person or polity, whose decisions are subject to neither external legal restraints nor regularized mechanisms of popular control (except perhaps for the implicit threat of a coup d'état or mass insurrection).
Structure of chlorhexidine, a bisbiguanide antiseptic.. Bisbiguanides are a class of chemically related compounds known for their bactericidal properties. Generally considered to be of the generic formula: R 1 R 2 N.C(:NR 6)NH.C(:NH)NH.CH 2 X--(CH 2) 3 NH.C(:NH)NH.C(:NR 7)NR 3 R 4 V. [1] These compounds include the antiseptics chlorhexidine and alexidine.
A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labor used with hand tools. The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Tools directly driven by animal power are not generally considered power tools.
Download as PDF; Printable version; In other projects ... move to sidebar hide. Help. Tools that make use of an external power source such as electricity or ...
The NIOSH Power Tools Database contains sound power levels, sound pressure levels, and vibrations data for a variety of common power tools that have been tested by researchers. Data are collected for both the unloaded and loaded use of power tools. The database was created by the National Institute for Occupational Safety and Health (NIOSH).
The "Final 2023 Critical Materials List" was determined by the United States Department of Energy (DOE), [5] with the Undersecretary for Science and Innovation involvement. . This list incorporates materials deemed critical for energy applications and minerals from the 2022 final list designated by the Department of the Interior through the United States Geological Survey (USG
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