The School of Mines Quarterly, Volumen25Columbia University, 1904 |
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Términos y frases comunes
acetic acid alkali allowed alumina aluminum ammonia ammonium ammonium chloride amount analysis andesite angles antimony apatite arsenic augite beaker boiling c.c. of concentrated carbon Castner cent Cerrillos Chem chemical chemistry chloride chord color containing cool copper crucible crystals cyanide dead load determined dilute dioxide dissolved dynamometer electric electrolytic Engineering equations evaporate excess feet feldspar ferric filter filtrate flange flask floor beam give grams heat hornblende hydrochloric acid hydrogen hydrogen sulphide hydroxide ignition insoluble ions iron lead magnesium manganese metal method mineral molecules nitric acid obtained orthoclase oxalate oxide permanganate plagioclase plate platinum portion potassium pounds precipitate present produced quantity reaction residue rivets rock salt SCHOOL OF MINES shaft silica silver slag sodium sodium carbonate soluble solution specimen square inch steel sulphide sulphuric acid temperature thermit tion titration truss tube turquoise vertical wash weight welding zinc
Pasajes populares
Página 117 - HAMMER, WJ Radium, and Other Radio-active Substances; Polonium, Actinium and Thorium. With a consideration of Phosphorescent and Fluorescent Substances, the Properties and Applications of Selenium, and the treatment of disease by the Ultra-Violet Light.
Página 267 - ... is equal to the square root of the quotient obtained by dividing the...
Página 296 - ... the square of the sum of two quantities is equal to the sum of the squares of those quantities plus twice their product.
Página 368 - Members subject to alternate strains of tension and compression shall be proportioned to resist each kind of strain. Both of the strains shall, however, be considered as increased by an amount equal to 8-10 of the least of the two strains, for determining the sectional areas by the above allowed unit strains.