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CTT's current logo since 4 October 2004. CTT – Correios de Portugal, S.A. ( lit. 'CTT – Post of Portugal') is a Portuguese company that operates as both the national postal service of Portugal and a commercial group with subsidiaries operating in banking, e-commerce, and other postal services. It was founded in 1520 by King Manuel I of ...
Classical test theory. Classical test theory (CTT) is a body of related psychometric theory that predicts outcomes of psychological testing such as the difficulty of items or the ability of test-takers. It is a theory of testing based on the idea that a person's observed or obtained score on a test is the sum of a true score (error-free score ...
Correios de Macau. Macau Post and Telecommunications, [a] most commonly known as CTT, [1] is an entity under the Government of Macao responsible for postal services and telecommunications regulation. The acronym CTT comes from the former name of the Portuguese postal administration ( Portuguese: Correios, Telégrafos e Telefones, lit.
For certain medical conditions, imagery from an X-ray or ultrasound test isn’t enough. A computed tomography (CT) scan provides a more detailed view of your tissues, blood vessels, and bones.
Cryptologic technician (CT) is a United States Navy enlisted rating or job specialty. The CT community performs a wide range of tasks in support of the national intelligence-gathering effort, with an emphasis on cryptology and signal intelligence related products. Most CT personnel are required to obtain and maintain security clearances.
What is a heart CT scan? A CT scan uses X-rays to view specific areas of your body. These scans use safe amounts of radiation to create detailed images, which can help your doctor to detect any ...
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A chest tube can help drain air, blood, or fluid from the pleural space, which is the space surrounding your lungs. Inserting a chest tube is called a chest tube thoracostomy. It’s typically an ...