photon activity rate

  • 71Neutron Capture Therapy of Cancer — Neutron Capture Therapy (NCT) is a noninvasive therapeutic modality for treating locally invasive malignant tumors such as primary brain tumors and recurrent head and neck cancer. It is a two step procedure: first, the patient is injected with a… …

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  • 72X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …

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  • 73Medical imaging — This article is about imaging techniques and modalities for the human body. For imaging of animals in research, see Preclinical imaging. Medical imaging Diagnostics A CT scan image showing a ruptured abdominal aortic aneurysm …

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  • 74Schizophrenia — MeshName = Schizophrenia MeshNumber = F03.700.750 Schizophrenia (pron en|ˌskɪtsəˈfriːniə), from the Greek roots schizein (σχίζειν, to split ) and phrēn , phren (φρήν, φρεν , mind ) is a psychiatric diagnosis that describes a mental disorder… …

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  • 75Ionizing radiation — consists of highly energetic particles or waves that can detach (ionize) at least one electron from an atom or molecule. Ionizing ability depends on the energy of the impinging individual particles or waves, and not on their number. A large flood …

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  • 76Niels Bohr — Born Niels Henrik David Bohr 7 October 1885(1885 10 07) Copenhagen, Denmark …

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  • 77genetic disease, human — Introduction       any of the diseases and disorders that are caused by mutations in one or more genes (gene).       With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization …

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  • 78Egypt — • Provides information on history, religion, and literature Catholic Encyclopedia. Kevin Knight. 2006. Egypt     Egypt     † …

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  • 79Soft error — In electronics and computing, an error is a signal or datum which is wrong. Errors may be caused by a defect, usually understood either to be a mistake in design or construction, or a broken component. A soft error is also a signal or datum which …

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  • 80Nuclear reactor physics — See also: Critical mass Nuclear reactor physics is the branch of science that deals with the study and application of chain reaction to induce controlled rate of fission for energy in reactors. Most nuclear reactors use a chain reaction to induce …

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