category: combustion gases

... tools , because this water - jet technique requires im- practical quantities ... pro- duce regions of crushed rock immediately beneath and ad- jacent to the ... crack is reduced by the pressure energy applied internally within the crack ...

... 1 ( 185 - ppm HCN ) /4.4 Low Oxygen Hypoxia ( 6 ) The time taken to achieve a blood oxygen concentration causing ... ( RMV ) , which will increase the rate of uptake of other toxic gases , and it is itself a narcotic ( 11 ) . It is therefore ...