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单词 orthovoltage
释义

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orthovoltage
orthovoltage n.
Brit. /ˈɔːθə(ʊ)ˌvəʊltɪdʒ/
,
/ˈɔːθə(ʊ)ˌvɒltɪdʒ/
,
U.S. /ˈɔrθoʊˌvoʊltɪdʒ/
Medicine voltage of approx. 200 to 400 kilovolts, spec. as used in the generation of therapeutic radiation (chiefly attributive); cf. megavoltage n., supervoltage n. at super- prefix 3d(a)(iv).
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the world > health and disease > healing > medical treatment > treatment by radiation > [noun] > voltage
supervoltage1934
megavoltage1955
orthovoltage1958
the world > matter > physics > atomic nucleus > radioactivity > X-rays > [noun] > voltage used in deep therapy
orthovoltage1958
1958 Radiology 71 641 (title) Orthovoltage rotation therapy: six years experience in a general hospital.
1972 P. Barnes & D. Rees Conc. Textbk. Radiotherapy iii. 63 In recent years there has been a tendency for deep X-ray therapy (orthovoltage radiation) to be largely superseded by megavoltage therapy as the advantages of the higher energy radiation become more generally appreciated.
2003 European Jrnl. Dermatol. 13 49 The study included 104 patients with cutaneous follicle center cell lymphoma treated with orthovoltage radiotherapy.
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