Officers in this status are considered by the board to be in-zone. Officers may review ref (b) and their eligibility for the board on the internet at the officer promotion homepage. The senior and junior officers in-zone and the junior officer eligible below-zone are as follows (Encl (2) of ref. (b) applies): 2.a.
duplex - a house with two units sharing a common wall. duplex house, semidetached house. house - a dwelling that serves as living quarters for one or more families; he has a house on Cape Cod; she felt she had to get out of the house. duplex apartment. apartment, flat - a suite of rooms usually on one floor of an apartment house.
A carotid artery duplex scan is a type of vascular ultrasound study done to assess the blood flow of the arteries that supply blood from the heart through the neck to the brain. carotid artery duplex scan is a noninvasive (the skin is not pierced) procedure. The term duplex refers to the fact that 2 modes of ultrasound are used â Doppler and B-mode.