Pulse wave velocity (PWV) is a measure of arterial stiffness.he study of the basic scientific principles of the velocity of the pulse wave through the arterial tree dates back to 1808 with the work of Thomas Young.
Put simply, chain migration is a derogatory term used to describe the ability of U.S. citizens and green card holders to bring their extended family into the country. A majority of the roughly one million foreigners who are allowed to enter the U.S. to become permanent residents each year are approved because they're related to Americans.
Nomadic Migration is when a group of nomads (people who do not live in a permanent home) move. They they move accoriding to season, animal herds, or due to movement of other r â¦ esources so that they live.here are few families like that such as the Klaf Family from Israel. http://www â¦ .thenomadicfamily.com A modern nomadic family is a family who decides to make up their own rules in the game of life. A modern nomadic family has the courage (some say insanity) to leave all they know, and explore the unknown.