If you have pain in your upper back, a medical evaluation is necessary for your doctor to make a diagnosis, rule out serious upper back pain causes & find an effective treatment. HG Logo and Link to Home
Definition of TRANSIENCE. : the quality or state of being transient. ADVERTISEMENT. 1  transience.
Transesterification is a chemical reaction used for the conversion of vegetable oil to biodiesel. In this process vegetable oil is chemically reacted with an alcohol like methanol or ethanol in presence of a catalyst like lye.