Transcutaneous electrical nerve stimulation (TENS) is a therapy that uses low-voltage electrical current for pain relief. You do TENS with a small, battery-powered machine about the size of a pocket radio.
User Experience (UX) Design: Concept Definition. User experience (UX) design is a process of creating products that provide meaningful and personally relevant experiences. This involves the careful design of the usability and pleasure derived from using a product.
Cx=(Ux)VPx. 1  Cx is the clearance of U (normally in units of mL/min. 2  Ux is the urine concentration of X. 3  Px is the plasma concentration of Y. 4  V is the urine flow rate.