| 释义 |
▪ I. radiograph, n.|ˈreɪdɪəʊgrɑːf, -æ-|
[f. as radiogram1 + -graph.]
1. An instrument by which the duration and intensity of sunshine is measured and recorded.
1880D. Winstanley in Chem. News 30 Apr. 205/1, I will now ask your attention to the description of another and much more perfect apparatus, one which continuously records the intensity of thermal radiation in which it is exposed. This instrument I have called the ‘Radiograph’. 1881Jrnl. Science XVIII. 221 This instrument, which Mr. Winstanley names the ‘Radiograph’, is shown.
2. An impression or image of an object produced on a sensitive plate by means of the Röntgen rays. Now also made using other forms of ionizing radiation.
1896Westm. Gaz. 21 Feb. 7/2 A ‘radiograph’, or shadow picture, of the hand of Mr. Alfred Lyttelton. 1896Daily Tel. 16 Mar. 7/2 A radiograph of the front portion of the foot gave no trace of the needle. 1923Glazebrook Dict. Appl. Physics IV. 618/1 Tool-marks and fine mould-marks often show up in a radiograph. 1948Sci. News VII. 104 A new type X-ray tube permits radiographs to be made with exposures of 1/500,000th second. 1966McGraw-Hill Encycl. Sci. & Technol. XI. 304a/1 Radiographs made with γ-rays have high resolving power because of the absence of scattering. 1971Sci. Amer. Oct. 16/3 Radiographs of the chest in persons on a starvation diet have indicated that the heart shrinks in size. 1972Nature 15 Sept. 157/2 It has been the practice among nuclear physicists to take ‘radiographs’ with beams of accelerated light nuclei to determine the location of detector targets..relative to the position of the beam.
†3. = radio-telegraph. Obs.
1904Prelim. Conf. Wireless Telegr. Berlin 1903 5 It is to him [sc. Popoff] that we owe the first radiograph apparatus.
▪ II. radiograph, v.|ˈreɪdɪəʊgrɑːf, -æ-|
[f. the n.]
trans. To make a radiograph of; to study by radiography. Also fig. Hence ˈradiographing vbl. n.
1896Daily News 29 Feb. 5/4 Mr. Stanley Kent photographed, shadowgraphed, electrographed, or radiographed—for the proper verb is still undetermined—a fractured finger bone at St. Thomas's Hospital. 1896Photogram Apr. 108 Our illustration..is the first complete human skeleton ever radiographed. 1897Treatment I. 43/2 It is almost routine practice..to radiograph fractures. 1908Sci. Abstr. A. XI. 105, 1M of No. 5 rays will suffice for the radiographing of a hand. 1924Observer 6 Apr. 12/3 He [sc. Byron] has been radiographed to the bone. 1940J. A. Ross Handbk. Radiography xii. 112 Various methods of examination have been devised in an attempt to radiograph movement. 1951L. P. Dudley Stereoptics vi. 106 The tube-film distance adopted in radiographing the subject must be the same as that adopted in radiographing the wire model. 1977Lancet 19 Nov. 1059/2 Each section was photographed in colour, radiographed, drawn in black-and-white and compared with the scanner image at the corresponding level. |