Based on the mechanism of heat generation at the welding interface, welding methods for thermoplastics can be classified as external and internal heating methods, as shown in Fig 1. Fig. 1. Classification of welding methods for semi-finished polymeric materials.
ritalin is the brand name of the drug methylphenidate hydrochloride doctors prescribe ritalin to treat attention deficit hyperactivity disorder adhd and a sleep disorder known as narcolepsy
Answers.comÂ® is making the world better one answer at a time. Methylphenidate is a generic for Ritalin which is used for Attention Deficit Disorder, mainly in children of school age. -Christina, Doctor of Pharmacy.