standard gas造句怎么写

With the nonlinear least squares fit between measured spectra and calibration spectra, standard gas concentrations of co at different temperatures are obtained.

Using microwave-heated ceramic chips instead of standard gas flame or electric coil, the system heats pans with near-perfect balance and lets you control the heat level with incredible precision.

It also began a programme of encouraging the upgrading of sub-standard gas water-heaters.

Method optimization of determination of chlorothalonil in water by internal standard gas chromatography

In calibrating the leak, the pressure in the ballast chamber can be precisely controlled in such a way that the standard gas flow through the orifice is close or equal to the leak rate.