The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 82
... accelerator stage . Mass spectroscopy is an important analytical technique of great sensitivity and accuracy . It gives quantitative re- sults for major and minor components of mixtures , gives determinations of molecular weights and of ...
... accelerator stage . Mass spectroscopy is an important analytical technique of great sensitivity and accuracy . It gives quantitative re- sults for major and minor components of mixtures , gives determinations of molecular weights and of ...
Page 1076
... accelerators ( such as calcium chloride as previously described ) , there are set - retarders ( usually of a sugar base ) that are less commonly required . The purpose of most admixtures is to increase the workability of freshly mixed ...
... accelerators ( such as calcium chloride as previously described ) , there are set - retarders ( usually of a sugar base ) that are less commonly required . The purpose of most admixtures is to increase the workability of freshly mixed ...
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acid activity administration ammonia army atomic orbitals became benzene bonds Buddhist called carbon atoms cells central centre Ceylon Ch'in Chaetognatha Charadriiformes Charles Chaucer chemical bond chemical reactions chemistry chemoreception Chess Chicago children's literature Chile China Chinese chloride Chou common complex compounds covalent covalent bonds cultural disease drugs dynasty early economic electrons elements emperor energy example fluorine groups hydrogen important increased industry insects involved ions isotopes king known land large number Lo-yang major mass materials ment metal methods molecular molecules nitrogen northern nuclei occur officials orbitals organic oxide oxygen party percent period political population provinces quartets reactants receptors region reign result river separation Shang shell Sinhalese social sodium sodium chloride solution southern species structure substances sulfonamide sulfur sulfuric acid Szechwan T'ang Taoist temperature tion Tsung turtles Yangtze