What does the term 'to promote the general welfare' mean to you in the preamble of the constitution of the US?
Relative humidity. Relative humidity (RH) is the ratio of the partial pressure of water vapor to the equilibrium vapor pressure of water at a given temperature. Relative humidity depends on temperature and the pressure of the system of interest.
See Rho(D) immunoglobulin. RhIg, Rh o (D) immune globulin Obstetrics A sterile plasma-based preparation rich in anti-Rh antibodies used to prevent production of Rh o (D) antibodies in Rh-negative mothers who may have an Rh-positive infant; its use virtually eliminates HDN due to maternal Rh-antibody production.he injection is repeated within 72 hr after delivery of an Rh-positive newborn if the mother's indirect and the newborn's direct Coombs tests are negative. The globulin also should be given to Rh-negative women after spontaneous or induced abortion. Previously called Rho(D) immune globulin.