noun, Physics, Chemistry. 1. a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced. Also called decay series.
Report Abuse. Healing times for cartilage is 3-6 months. However, a lot of people say it takes closer to a year for the piercing to heal properly and feel truly stable.t can take a year for deep cartilage piercings. won't be sore for that long, but it may be that long until it's fully healed and you can sleep on it. Source(s): i have several.
How long does it take for a should sprain to heal in a dog? My German Shorthaired pointer also has a shoulder sprain, and it  can take 2 - 4 weeks for it to heal. I recommend to help them  rehabilitate it gentle massage on the sprain â¦ , frozen peas to chill  it, and gentle movement. Do this after the first week.ow long it can take for a sprained knee to heel is dependent upon  the severity of the injury and the patients capacity to heal. It  could take anywhere from a few weeks to â¦ a couple of months for  healing to occur. 1 person found this useful.