Nuclear.magnetic.resonance.(NMR),.discovered.as.a.physical.phenomenon.by.Bloch. and. Purcell. in. 1945,. has. rapidly. become. the. theoretical. basis. for. a. powerful. ana- lytical.method.that.is.widely.applied.in.different.fields.of.modern.fundamental.and. applied. science. as. well. as. in. medicine. and. industry.. This. is. easily. explained. not. only. by. the. capability. of. NMR. to. s…