Bulletin, Utgave 347U.S. Government Printing Office, 1931 |
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Side
... Carbon monoxide . Oxides of nitrogen_ Precautions against gases found in metal mines_ Fire precautions .. Recommendations_ Ventilation___ Sulphur gases in metal mines and tunnels- Recommendations__ . Temperature and humid- Carbon monoxide ...
... Carbon monoxide . Oxides of nitrogen_ Precautions against gases found in metal mines_ Fire precautions .. Recommendations_ Ventilation___ Sulphur gases in metal mines and tunnels- Recommendations__ . Temperature and humid- Carbon monoxide ...
Side 1
... carbon monoxide content is likely to be high ( 4 per cent or more ) , and if the coal contains much sulphur the fire fumes may contain some sulphur dioxide . GASES POSSIBLE IN METAL MINES Methane has been found in a number of metal ...
... carbon monoxide content is likely to be high ( 4 per cent or more ) , and if the coal contains much sulphur the fire fumes may contain some sulphur dioxide . GASES POSSIBLE IN METAL MINES Methane has been found in a number of metal ...
Side 2
... carbon monoxide , carbon dioxide , methane , and hydrogen , as well as oxides of arsenic , antimony , etc .; moreover , there is frequently a definite deficiency of oxygen . In addition to the variety of gases found in metal mines , the ...
... carbon monoxide , carbon dioxide , methane , and hydrogen , as well as oxides of arsenic , antimony , etc .; moreover , there is frequently a definite deficiency of oxygen . In addition to the variety of gases found in metal mines , the ...
Side 8
... carbon dioxide . When this reaction has continued until the oxygen contact ... monoxide , and various oxides of nitrogen . In blasting material whose ... CARBON MONOXIDE IN METAL MINES 9 down . In the 8 GASES THAT OCCUR IN METAL MINES.
... carbon dioxide . When this reaction has continued until the oxygen contact ... monoxide , and various oxides of nitrogen . In blasting material whose ... CARBON MONOXIDE IN METAL MINES 9 down . In the 8 GASES THAT OCCUR IN METAL MINES.
Side 9
CARBON MONOXIDE IN METAL MINES 9 down . In the fumes from some fires in metal mines , especially fires . that have been burning for several years , there are likely to be dan- gerous percentages of sulphur gases even when the sulphur ...
CARBON MONOXIDE IN METAL MINES 9 down . In the fumes from some fires in metal mines , especially fires . that have been burning for several years , there are likely to be dan- gerous percentages of sulphur gases even when the sulphur ...
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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.