Search results
Results from the Health.Zone Content Network
German submarine U-1 was the first U-boat (or submarine) built for Nazi Germany 's Kriegsmarine following Adolf Hitler 's abrogation of the terms of the Treaty of Versailles in 1935, which banned Germany possessing a submarine force. A Type IIA U-boat, she was built at the Deutsche Werke shipyards in Kiel, yard number 236, her keel being laid ...
Golden Gate is one of a large number of U.S. Army-planned cemeteries started in the 1930s and completed during the 1940s. They were designed specifically to provide abundant burial opportunities in locations around the nation in cities with very large veteran populations.
SM. U-1. (Germany) SM U-1, also known in English as the German Type U 1 submarine, was the first U-boat class of the U-boat series of submarines produced for the German Empire 's Imperial German Navy. Only one was built. The U-1 was constructed by Germaniawerft in Kiel and was commissioned on 14 December 1906. [3]
The Type UB I submarine (sometimes known as the UB-1 class) was a class of small coastal submarines built in Germany at the beginning of the First World War.Twenty boats were constructed, most of which went into service with the German Imperial Navy (Kaiserliche Marine) Boats of this design were also operated by the Austro-Hungarian Navy (Kaiserliche und Königliche Kriegsmarine or K.u.K ...
The Type UC I coastal submarines were a class of small minelaying U-boats built in Germany during the early part of World War I. They were the first operational minelaying submarines in the world (although the Russian submarine Krab was laid down earlier). A total of fifteen boats were built. The class is sometimes also referred to as the UC-1 ...
GLP-1 receptor agonists are approved by the Food and Drug Administration (FDA) for use in type 2 diabetes. They are also approved for obesity and overweight with associated obesity-related ...
Circle bundle. In mathematics, a circle bundle is a fiber bundle where the fiber is the circle . Oriented circle bundles are also known as principal U (1)-bundles, or equivalently, as principal SO (2)-bundles. In physics, circle bundles are the natural geometric setting for electromagnetism. A circle bundle is a special case of a sphere bundle .
The U(1) symmetry. For the leptons, the gauge group can be written SU(2) l × U(1) L × U(1) R. The two U(1) factors can be combined into U(1) Y × U(1) l where l is the lepton number. Gauging of the lepton number is ruled out by experiment, leaving only the possible gauge group SU(2) L × U(1) Y. A similar argument in the quark sector also ...