The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 795
... crystals , which are crystals that change colour with temperature . They are red at temperatures above 100 ° C , orange at 25 ° C , and colourless at -190 ° C. The crystals are stable in air but will explode in response to shock or ...
... crystals , which are crystals that change colour with temperature . They are red at temperatures above 100 ° C , orange at 25 ° C , and colourless at -190 ° C. The crystals are stable in air but will explode in response to shock or ...
Page 980
... crystals of abrasive quality ; ( 4 ) macles - triangular , pillow- shaped crystals that are industrially useful ; and ( 5 ) car- bonado - mixed diamond - graphite crystallites containing other impurities . Carbon in all living tissue ...
... crystals of abrasive quality ; ( 4 ) macles - triangular , pillow- shaped crystals that are industrially useful ; and ( 5 ) car- bonado - mixed diamond - graphite crystallites containing other impurities . Carbon in all living tissue ...
Page 983
... crystal type to another at specific temperatures : 13.2 ° C ( 55.8 ° F ) gray or alpha ( a ) tin ( cubic - diamond crystals ) white or beta ( B ) tin ( tetragonal crystals ) 161 ° C ( 322 ° F ) brittle tin . ( rhombic crystals ) ( The ...
... crystal type to another at specific temperatures : 13.2 ° C ( 55.8 ° F ) gray or alpha ( a ) tin ( cubic - diamond crystals ) white or beta ( B ) tin ( tetragonal crystals ) 161 ° C ( 322 ° F ) brittle tin . ( rhombic crystals ) ( The ...
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19th century adult America anemia antibodies antigens Asia behaviour bill birds blood group bodhisattva body Bolivia bone Brazil Brazilian breeding broadcasting bryophytes Buddha Buddhist building called Caprimulgiformes centimetres central centre China clotting colonial colour countries cuckoos disease display early eggs electrons Eocene falconiforms Family feathers feeding feet female forest fossil frequency genera genus gruiform hemoglobin important incubation Indian insects islands known legs light Mahāyāna major male marrow metres molt monks nest normal North oilbird owls pair Pāli parrots passerines pattern pelecaniforms penguins percent perch period Piciformes pigeons plasma platelets plumage political population produced programs protein radio red cells region river São Paulo scanning sexes short signal South species sporangium structure Suborder surface tail television Theravada tion tissue toes tradition trees tropical tube usually Vajrayāna varies wings woodpeckers World young