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Types of Radioactivity03:23

Types of Radioactivity

The most common types of radioactivity are α decay, β decay, γ decay, neutron emission, and electron capture.
Alpha (α) decay is the emission of an α particle from the nucleus. For example, polonium-210 undergoes α decay:
Nuclear Transmutation03:20

Nuclear Transmutation

Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed protons being...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET

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Updated: Jul 10, 2026

Swimming Performance Assessment in Fishes
05:12

Swimming Performance Assessment in Fishes

Published on: May 20, 2011

一只鱼中的马辐射器

C OSTERBERG, W PEARCY, N KUJALA

    Nature
    |December 5, 1964
    PubMed
    概括

    No abstract available in PubMed .

    关键词:
    在CETACEA中,实验室研究实验室研究浮游生物 浮游生物放射性废物 放射性废物放射性废物 放射性废物放射性活动 放射性活动射电测量 (Radiometry) 是一种测量方法.

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