HOSA (Health Occupation Students Of America)
HOSA may mean: * HOSA (organization), HOSA-Future Health Professionals (formerly the Health Occupations Students of America) * Hydroxylamine-''O''-sulfonic acid, chemical Hosa may mean: * Hosa Ice Hockey Team *Chief Little Raven Little Raven, also known as Hosa (Young Crow), (born — died 1889) was from about 1855 until his death in 1889 a principal chief of the Southern Arapaho Indians. He negotiated peace between the Southern Arapaho and Cheyenne and the Comanche, Ki ...

HOSA (organization)
HOSA – Future Health Professionals, formerly known as Health Occupations Students of America (HOSA), is an international career and technical student organization (CTSO) endorsed by the U.S. Department of Education and the Health Science Technology Education Division of ACTE. HOSA is composed of middle school, secondary, and post-secondary/collegiate students, along with professional, alumni, and honorary members. It is headquartered in Southlake, Texas, and is the largest student organization that prepares students to enter the healthcare field, with membership in the United States, U.S. Territories, Canada, China, South Korea, and Mexico. History HOSA was founded in 1976 out of a task force from the American Vocational Association in order to determine whether a new student organization accommodating healthcare students was necessary. From November 4–7, 1975, the State Department of Education and Division of Vocational Education in New Jersey with 18 representatives fro ...
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Hydroxylamine-O-sulfonic Acid
Hydroxylamine-''O''-sulfonic acid (HOSA) is the inorganic compound with molecular formula H3NO4S that is formed by the sulfonation of hydroxylamine with oleum. It is a white, water-soluble and hygroscopic, solid, commonly represented by the condensed structural formula H2NOSO3H, though it actually exists as a zwitterion and thus is more accurately represented as +H3NOSO3−. It is used as a reagent for the introduction of amine groups (–NH2), for the conversion of aldehydes into nitriles and alicyclic compound, alicyclic ketones into lactams (cyclic amides), and for the synthesis of variety of nitrogen-containing heterocycles. Preparation According to a laboratory procedure hydroxylamine-''O''-sulfonic acid can be prepared by treating hydroxylamine sulfate with fuming sulfuric acid (oleum). The industrial process is similar. :(NH3OH)2SO4 + 2SO3 → 2H2NOSO3H + H2SO4 The sulfonation of hydroxylamine can also be effected with chlorosulfonic acid by a method first pub ...
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Hosa Ice Hockey Team
The China Dragon () was a professional ice hockey team which played its home games in three cities in China, including Harbin, Qiqihar, and Shanghai. The team was a member of Asia League Ice Hockey between 2007 and 2017. The team was formed in 1954 as two clubs, Harbin and Qiqihar, as part of the China League. In 2004, the clubs joined Asia League Ice Hockey and in 2007 they merged into a single club, China Sharks, backed by the National Hockey League's San Jose Sharks for financial reasons. The team was renamed the China Dragon in 2009 when San Jose pulled out. The team was dissolved following the 2016–17 Asia League Ice Hockey season, after which KHL club Kunlun Red Star became the primary Chinese ice hockey team. History The China Dragon began their history as two separate teams, both playing in China. Qiqihar Qiqihar Ice hockey team was founded in 1954 and captured 28 championships in the China League. Their mascot was the snow leopard. The team joined Asia League Ice Hockey ...
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