Loc: Boston,Massachusetts U.S.A. I have a question on wedding traditions, I was hoping that you might enlighten me.. In Spain the wedding ring is put on the right hand while in the U.S it is on the left hand..
Doppler assessment of area by pressure half-time method ï§ The time required for the mitral diastolic pressure to fall by 50% ï§ Mitral valve area is calculated as: 220 â pressure half time (msec).
Two quarter-hours make half an hour. If you mean an expession such as quarter of six, it means a quarter of an hour before six o'clock, or in other words, 5:45. A quarter of an hour is 15 minutes (1/4 of 60, the number of minutes in an hour). Two quarter-hours make half an hour.