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Gas chromatographic analyses of the principal constituents of mine atmospheres
A comparison of infrared and gas chromatographic methods for determination of methane in mine air
Effect of cetane improvers in the fuel on nitrogen oxides concentration in diesel exhaust gas
Analysis of free silica in respirable dust
A three-minute gas chromatographic analysis of the main constituents of mine atmospheres
Use of Vacutainers for collection of mine atmosphere samples
Sampling capability of vacutainers for fixed gases and low-molecular-weight hydrocarbons
Gas-sampling capability of vacutainers
Construction and preliminary evaluation of a diesel exhaust particulate filter for underground use