The New Encyclopędia Britannica, Volume 19Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 198
... surface ( thermal shock ) , creating stress that often leads to breakage . When glass is suddenly cooled , for example , the expanded interior puts the surface in a state of tensile stress . Careful annealing of ordinary glass ...
... surface ( thermal shock ) , creating stress that often leads to breakage . When glass is suddenly cooled , for example , the expanded interior puts the surface in a state of tensile stress . Careful annealing of ordinary glass ...
Page 435
... surfaces in deserts will shed rains of only a few tenths of an inch . Large amounts of soil and surface debris usually are eroded by runoff , and the eroded material varies from very turbid water to a viscous mudflow . In rare instances ...
... surfaces in deserts will shed rains of only a few tenths of an inch . Large amounts of soil and surface debris usually are eroded by runoff , and the eroded material varies from very turbid water to a viscous mudflow . In rare instances ...
Page 878
... surface . The importance of surface - soil wash depends on two factors : the frequency of occurrence and depth of over- land flow , and the resistance offered by soil particles to movement by the flow . In very dry areas , soil wash is ...
... surface . The importance of surface - soil wash depends on two factors : the frequency of occurrence and depth of over- land flow , and the resistance offered by soil particles to movement by the flow . In very dry areas , soil wash is ...
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