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spec: In a molecular sieve air is pumped through a ceramic filter which preferentially absorbs nitrogen increasing the concentration of oxygen in the air exiting the filter . Besides introducing inoculation for small-pox into Austria Ingen-Housz proposed the inhalation of oxygen in diseases of the lungs . Some of them are so concerned because their father or their grandfather - - I know three of them - - their fathers ' have died because of black lung and their grandfather is now are carrying a bottle of oxygen with him . In our data , only declining per capita consumption helped to explain the downward trend in road fatalities . Reoxygenation depends on the presence of oxygen in the nucleus of the cell when radiation is delivered to achieve tumor response to treatment ( cell death ) . International officials monitoring the withdrawal estimate that about 42 trainloads of ammunition -- nearly 21,000 metric tons -- and 10 trainloads of military equipment remain . I salute you for your contribution to our Navy and for being the kind of examples that have brought our Navy to where it is today , '' Clark said . These branches will offer the same services as provided in the NSIC Main office . The module QID defines so-called quoted identifiers , which begin with an initial single quote mark . The lack of oxygen in the body can damage organs .