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porcelain
(Encyclopedia) porcelain [Ital. porcellana], white, hard, permanent, nonporous pottery having translucence which is resonant when struck. Porcelain was first made by the Chinese to withstand the…alum
(Encyclopedia) alumalumălˈəm [key], any one of a series of isomorphous double salts that are hydrated sulfates of a univalent cation (e.g., potassium, sodium, ammonium, cesium, or thallium) and a…aryl group
(Encyclopedia) aryl grouparyl groupârˈĭl [key], in chemistry, group of atoms derived from benzene or from a benzene derivative by removing one hydrogen that is bonded to the benzene ring (see radical…threonine
(Encyclopedia) CE5 threoninethreoninethrēˈənēn [key], organic compound, one of the 22 α-amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is…The Journals of Lewis & Clark: February 12, 1806
by Meriwether Lewis and William Clark February 11, 1806February 13, 1806February 12, 1806 Wednesday February 12th 1806. This morning we were visited by a Clatsop man who brought with…Science News: Meningitis Outbreak
Tainted injections sicken hundreds, kill dozens by Catherine McNiff…Physical Sciences
Subjects » Geography» History» Language Arts» Mathematics» Science» Social StudiesHomework Skills Writing | Research Speaking & Listening StudyingReference Sources Almanac…Geometry: The Importance of Being Direct
The Importance of Being DirectGeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being IndirectThe Given Information:…The Chemistry of Biology: Water
WaterThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic AcidsVitamins and Minerals…Glossary of Chemical Terms - M
MA B C D E F G H I J K L M N O P Q R S T U V W X Y Z macromolecule Name given to a very large, and in most cases biologically important molecule.Molar mass certain to be in the thousands of grams, at…Trending
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