Overall, the argument $x$ of $\ln(x)$ must be unitless, and a log transformed quantity must be unitless. If $x = 0.5$ is measured in some units, say, seconds, then taking the log actually means $\ln(0.5s/1s) = \ln(0.5)$.
Definition of CHRISTOLOGY. : theological interpretation of the person and work of Christ. â ChrisÂ·toÂ·logÂ·iÂ·cal \Ëkris-tÉ-Ëlae-ËlÃ¤-ji, kÉl-\ ËkrÄ«s. ADJECTIVE. advertisement
urology uÂ·rolÂ·oÂ·gy (yu-rÅl'É-jÄ) n. The medical specialty concerned with the study, diagnosis, and treatment of diseases of the urinary tract in females and of the genitourinary tract in males. ur'oÂ·log'ic (yur'É-lÅj'Ä­k) or ur'oÂ·log'iÂ·cal (-Ä­-kÉl) adj.