Mar 13, 2012 Â·. The term age hardening is a general term referring to most (if not all) time and/or thermal treatments to increase the strength (and sometimes the ductility) of a heat-treated metal. It can result the release of built-in stresses or permit phases locked in (due to quenching) to transform .
NRA stands for National Rifle Association. The group was founded in 1871 as a recreational group designed to promote and encourage rifle shooting on a scientific basis. The NRA's path into political lobbying began in 1934 when it began mailing members with information about upcoming firearms bills.
Multiple system atrophy (MSA) is a progressive neurodegenerative disorder characterized by a combination of symptoms that affect both the autonomic nervous system (the part of the nervous system that controls involuntary action such as blood pressure or digestion) and movement.aTscan can assess the dopamine transporter in a part of the brain called the striatum and can help physicians determine if the condition is caused by a dopamine system disorder; however this test cannot differentiate between MSA and Parkinsonâs disease.