Cell biology (formerly called cytology, from the Greek ÎºÏÏÎ¿Ï, kytos, vessel) is a branch of biology that studies the different structures and functions of the cell and focuses mainly on the idea of the cell as the basic unit of life.
(B) For a cylinder having a water capacity over 12 pounds-- (1) By hydrostatic test without determination of expansion (modified hydrostatic test method). A retest must be performed 12 years after the original test date and at 7-year intervals; or (2) By hydrostatic test using the water jacket method. A retest must be performed 12 years after the original test date and at 12-year intervals thereafter.
Regardless of how long you have used hydrocodone, it will only be detected in a urine test for up to 12 to 80 hours. A hair follicle test is good for 6 months.10 people found this useful. Edit.egardless of how long you have used hydrocodone, it will only be detected in a urine test for up to 12 to 80 hours. A hair follicle test is good for 6 months. 10 people found this useful.