The TEACH Project obtained subjects' time-location information as part of its assessment of personal exposures to air toxics for high school students in two major urban areas. This report uses a ...
A new acentric factor correlation, based on Pitzer’s1 definition of the acentric factor and a correlation of Antoine’s equation,2 accurately predicts the acentric factor of hydrocarbons and other ...
A categorical variable is defined as one that can assume only a limited number of values. For example, a person's sex is a categorical variable that can assume one of two values. Variables with levels ...