Words similar to ppm

Example sentences for: ppm

How can you use “ppm” in a sentence? Here are some example sentences to help you improve your vocabulary:

1H NMR (DMF-d 7 , ppm): 11.
OSHA's 1997 methylene chloride standard is strict and comprehensive; it lowered the 8-hour time weighted average Permissible Exposure Limit for the chemical from 1736 mg/m 3to 87 mg/m 3(500 ppm to 25 ppm) and required exposure monitoring, worker training, engineering controls, designation of restricted areas, spill and leak prevention and medical surveillance.
The results of the present study show that during the early stage of ARDS, inspiratory NO concentrations around 5 ppm provide the maximum decrease in pulmonary artery pressure in the majority of patients whereas higher concentrations are necessary in a minority of patients.
The average weekly outdoor CO 2 concentration for Building 1 was 417 ppm (Range: 324-497 ppm) and 450 ppm (Range: 327-549 ppm) for Building 2. Figure 1displays the weekly CO 2 concentration differential and the weekly sick leave rates for the two buildings included in the final analysis.
With an odor threshold of around 868 mg/m 3(250 parts per million or ppm), methylene chloride has poor warning properties and, due to its volatility, concentrations may rapidly approach high levels in poorly ventilated areas [ 15 ] . Fatalities due to methylene chloride vapor inhalation in furniture stripping operations have been reported.