Family name. The family name, positioned first, is passed on by the father to his children. It is estimated that there are around one hundred family names in common use, although some are far more common than others. The name Nguyá»n is estimated to be used by almost 40% of the Vietnamese population.
The Doldrums . The Doldrums, also known as the Equatorial Convergence Zone. The axis, or a portion of the broad trade wind of the tropics. This axis is the dividing line â¦ between the southeast trades and the northeast trades, of the Southern and Northern hemispheres converging around the equator.
Doldrums. Sailors noticed the stillness of the rising (and not blowing) air near the equator and gave the region the depressing name doldrums.. The doldrums, usually located between 5Â° north and 5Â° south of the equator, are also known as the Intertropical Convergence Zone or ITCZ for short.The trade winds converge in the region of the ITCZ, producing convectional storms that produce some of the world's heaviest precipitation regions.oldrums. Sailors noticed the stillness of the rising (and not blowing) air near the equator and gave the region the depressing name doldrums.. The doldrums, usually located between 5Â° north and 5Â° south of the equator, are also known as the Intertropical Convergence Zone or ITCZ for short.