In addition, the role, scope of practice, and prescribing authorization of a nurse midwife will vary depending on licensure and where they practice. Certified Nurse Midwife responsibilities may include: 1  Primary and specialty care for women.
Messages: 357. Slack tide is when the current goes slack between tide changes and slack usually last 30min to an hour after peak high tide or peak low tide(hence high slack or low slack). Feb 27, 2008.
Slack: the amount of time an activity can be delayed and not. affect the overall completion time of the whole project. Slack can. be determined by finding the difference between the earliest start. time and the latest start time, or the earliest finish time and the lat-. est finish time for a given activity.