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The Partial Test Ban Treaty ( PTBT ), formally known as the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, prohibited all test detonations of nuclear weapons except for those conducted underground. It is also abbreviated as the Limited Test Ban Treaty ( LTBT) and Nuclear Test Ban Treaty ( NTBT ...
Ray-Ban is a brand of luxury sunglasses and eyeglasses created in 1936 by Bausch & Lomb. The brand is best known for its Wayfarer and Aviator lines of sunglasses. In 1999, Bausch & Lomb sold the brand to Italian eyewear conglomerate Luxottica Group for a reported $640 million.
Telemarketing Assoc., Inc. upheld an Illinois telemarketing anti-fraud law against claims that it was a form of prior restraint, affirming consumer protection against misrepresentation was a valid government interest justifying a free speech exception for false claims made in that context. The 2012 decision United States v.
The prothrombin time ( PT) – along with its derived measures of prothrombin ratio ( PR) and international normalized ratio ( INR) – is an assay for evaluating the extrinsic pathway and common pathway of coagulation. This blood test is also called protime INR and PT/INR. They are used to determine the clotting tendency of blood, in such ...
Threshold Test Ban Treaty. The Treaty on the Limitation of Underground Nuclear Weapon Tests, also known as the Threshold Test Ban Treaty ( TTBT ), was signed in July 1974 by the United States and Soviet Union. It establishes a nuclear "threshold" by prohibiting nuclear tests of devices having a yield exceeding 150 kilotons after March 31, 1976.
Nathaniel Weixel. May 2, 2024 at 5:00 PM. Florida health officials on Thursday outlined a series of limited medical exemptions to the state’s six-week abortion ban. The state’s Agency for ...
External beam radiation therapy ( EBRT) is a form of radiotherapy that utilizes a high-energy collimated beam of ionizing radiation, from a source outside the body, to target and kill cancer cells. A radiotherapy beam is composed of particles which travel in a consistent direction; each radiotherapy beam consists of one type of particle ...
List of ray tracing software. Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing these images. This article lists notable ray-tracing software. Software.