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Activator appliance was initially indicated in patient's who are growing. Therefore, young adolescents with growth potential showed the best results of this appliance. In addition, an adolescent or adult patient with retrognathic mandible, well aligned maxillary and mandibular dentition were also other indications of this appliance.
An amorphous brazing foil (ABF) is a form of eutectic amorphous metal that serves as a filler metal in brazing operations. ABFs are composed of various transition metals (including nickel, iron, and copper) blended with metalloids like silicon, boron, and phosphorus.
The foil can be used as a pyrotechnic heat source, a replacement of potassium chlorate/iron pellets, for thermal batteries. It reacts faster than the conventional composition, reaches higher temperatures, and heat buffers of inert metal (e.g. steel) are needed to lower the peak temperature and prolong the heat delivery. [ 7 ]
The Activator Method Chiropractic Technique is a chiropractic treatment method that uses a device created by Arlan Fuhr as an alternative to manual manipulation of the spine or extremity joints. The device is categorized as a mechanical force manual assisted (MFMA) instrument which is generally regarded as a softer chiropractic treatment ...
Braun Lectron Elements; Exhibition Systems design : The Ulm school at Museu del Disseny (DHUB) in Barcelona; September 21, 2011 – May 20, 2012 [2]. The Lectron electronic blocks system and product was the exclusive and unique invention of Georg Greger in the early 1960s.
Neutron activation is the process in which neutron radiation induces radioactivity in materials, and occurs when atomic nuclei capture free neutrons, becoming heavier and entering excited states. The excited nucleus decays immediately by emitting gamma rays , or particles such as beta particles , alpha particles , fission products , and ...
Testosterone replacement can significantly improve exercise capacity, muscle strength and reduce QT intervals in men with chronic heart failure (CHF). Over the 3 to 6-month course of the studies reviewed, testosterone therapy appeared safe and generally effective, and (ruling out prostate cancer) the authors found no justification to absolutely ...
The latter then rapidly de-excite by emitting scintillation light (fast component). In case of inorganic scintillators, the activator impurities are typically chosen so that the emitted light is in the visible range or near-UV where photomultipliers are effective. The holes associated with electrons in the conduction band are independent from ...