Bulletin, Utgave 347U.S. Government Printing Office, 1931 |
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Side 9
CARBON MONOXIDE IN METAL MINES 9 down . In the fumes from some fires in metal mines , especially fires . that have ... cent of the fatalities from fires 10 in the metal mines of the United States ( the total lives so lost amounts to several ...
CARBON MONOXIDE IN METAL MINES 9 down . In the fumes from some fires in metal mines , especially fires . that have ... cent of the fatalities from fires 10 in the metal mines of the United States ( the total lives so lost amounts to several ...
Side 10
... carbon monoxide , which generally is present in dangerous percentages . EXPLOSIVES Gases evolved by any of the ... cent and the carbon dioxide or nitrogen content relatively high . If the fire consumes explosives or the boxes , paper ...
... carbon monoxide , which generally is present in dangerous percentages . EXPLOSIVES Gases evolved by any of the ... cent and the carbon dioxide or nitrogen content relatively high . If the fire consumes explosives or the boxes , paper ...
Side 11
... carbon monoxide . PROPERTIES OF GASES NITROGEN Pure nitrogen gas is a hazard to life ; it will suffocate a human ... cent of carbon dioxide , a man breathes deep and fast ; with 2 per cent he breathes approximately 50 per cent more air ...
... carbon monoxide . PROPERTIES OF GASES NITROGEN Pure nitrogen gas is a hazard to life ; it will suffocate a human ... cent of carbon dioxide , a man breathes deep and fast ; with 2 per cent he breathes approximately 50 per cent more air ...
Side 12
... cent paralysis follows quickly . Generally , when a man goes from good air ... cent . It seems evident that a man can not be expected to work efficiently and ... CARBON MONOXIDE 12 GASES THAT OCCUR IN METAL MINES 45 677777 Methane ...
... cent paralysis follows quickly . Generally , when a man goes from good air ... cent . It seems evident that a man can not be expected to work efficiently and ... CARBON MONOXIDE 12 GASES THAT OCCUR IN METAL MINES 45 677777 Methane ...
Side 13
PRECAUTIONS AGAINST GASES FOUND IN METAL MINES 13 CARBON MONOXIDE Carbon monoxide when inhaled replaces the oxygen ... cent is the upper limit that should be permitted in any part of a mine atmosphere ; 0.1 per cent causes severe ...
PRECAUTIONS AGAINST GASES FOUND IN METAL MINES 13 CARBON MONOXIDE Carbon monoxide when inhaled replaces the oxygen ... cent is the upper limit that should be permitted in any part of a mine atmosphere ; 0.1 per cent causes severe ...
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Vanlige uttrykk og setninger
activated iodine pentoxide adequate amounts asphyxial asphyxial gases atmosphere Bull Bureau of Mines burning candle carbide lamp carbon dioxide carbon monoxide cent of carbon cent of oxygen Circ circulation of air coal mines combustible material decidedly dangerous deficient in oxygen dioxide and nitrogen dry-bulb temperatures efficiency electric arc explosive gas extinguished fire hazards flame safety lamp found in metal gas mask GASES FOUND gases high GASES IN METAL Gilpin County Harrington high in carbon hydrogen sulphide ignitions of methane inflammable inhaled Investigations killed metal mines metal-mine blasting metal-mine fires miners numerous open light oxides of nitrogen oxygen breathing apparatus oxygen content palladium chloride percentage of carbon poisonous gases PRECAUTIONS AGAINST GASES Pyrotannic Acid Method quantities relative humidity Rept respiratory protection result rock Rock-Strata Gases Sayers SCOTT TURNER shallow shafts strata sulphur dioxide sulphur gases Tech tested tion tunnel type N gas underground United States Bureau unventilated winze workers Yant
Populære avsnitt
Side 5 - ... are a result of the action of atmospheric air and mine water upon the sulphides and carbonates in the fissured rock.
Side 9 - Some of the heaviest losses of life in metal-mine fires have resulted from the burning of less than a railroad freight car or only a few cords of timber.