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Article type: Cover
1958 Volume 14 Issue 3 Pages
Cover4-
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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Article type: Cover
1958 Volume 14 Issue 3 Pages
Cover5-
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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Article type: Appendix
1958 Volume 14 Issue 3 Pages
App3-
Published: November 15, 1958
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IWAO YAMANE
Article type: Article
1958 Volume 14 Issue 3 Pages
109-127
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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The author had some doubts about the effects of the general method with grid to eliminate scattered radiation in high voltage radiography. He measured the changes in degree of scattered radiation with increase of tube voltage and examined ways of absorbing scattered X-ray, adapting the degree of scattered radiation. Good results were obtained in out line.
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YOSHIRO IIZUKA
Article type: Article
1958 Volume 14 Issue 3 Pages
128-135
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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In this 9th report, the influence of intensifying power on X-ray photographic contrast was studied ; high intensifyingscreen "Kyokko" HS and low intensifying screen "Kyokko" FS were used in the comparative study and examined by the tangent of the Al absorption wave within the tube voltage between 60kV and 120kV ; to verify the result, they were also examined in chest radiography. The following result wasproved ; degree of contrast under various intensifying powers depends not on the intensifying screen itself buton the condition of radiography in which the screen is used.
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EIJI MAEDA, TOKUZO SHIMIZU, HIROSHI MORIZUMI
Article type: Article
1958 Volume 14 Issue 3 Pages
136-143
Published: November 15, 1958
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In tomography, the nearer the lightened shadow of the unnecessary object is drawn to the blurring of the tomographic image, the easier becomes the interpretation of tomography. The blackening was examined in theory ; the relation of blackening with distance between unnecessary object and shaft and with the length of blurring of unnecessary ofject was studied. Moreover, the effect of various tube voltage on the quality of tomography was discussed.
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KENZO HOSOE, YOSHICHIKA NAITO, HIROSHI MATSUURA, TOSHIO UEDA
Article type: Article
1958 Volume 14 Issue 3 Pages
144-147
Published: November 15, 1958
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The author studied and reported here on the following problems ; 1) To what extent penumbra due to the size of focus can be eliminated by lengthening the distance between object and focus. 2) How the resolving power changes with the changes of the size of focus and the length of distance between object and focus.
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SHIGEMITSU IZUMI, KENJI KAWAKAMI
Article type: Article
1958 Volume 14 Issue 3 Pages
148-153
Published: November 15, 1958
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The semi-high voltage radiography at charged voltage 90kV and at dischaged voltage 87-89kV by the condenser dischaged type X-ray apparatus in which a triode-controlled shutting method was applied, was compared with the high voltage radiography at 120 kV by the transform type apparatus and the following result was obtained ; the former stands comparison with the latter in showing contrast in bone. And the scattered radiation in the former is relatively little and can be eliminated by a small grid ratio.
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KENGO KANDA
Article type: Article
1958 Volume 14 Issue 3 Pages
154-157
Published: November 15, 1958
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Laying several small radiant openings of just before the tube focus, the author could eliminate unnecessary X-ray to obtain a good photographic effect.
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TAKESHI TOGASHI
Article type: Article
1958 Volume 14 Issue 3 Pages
158-165
Published: November 15, 1958
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Concerning the residual voltage after discharge in X-ray apparatus discharged type that gives an electric shock, the changes of residual voltage in proprotion on the change of charged voltage and in course of time after discharge was measured reported here.
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KOUTSUI KAWASAKI, YASUZO EGAWA
Article type: Article
1958 Volume 14 Issue 3 Pages
166-168
Published: November 15, 1958
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Complete grounding to prevent electric shock is an important problem in radiographic work. In the case of fluosography which demands many movements of the apparatus, complete grounding is sometimes difficult. Concerning the earth poles of several apparatus, the effect was experimentally measured in various instances with Kohlarausich's bridge and L-9 type earth resistance meter and the following results became clear ; it is sometimes difficult for the effect of the earth to reach to the value of 3rd Ground Wire Work desided in the Provison of Electric Works.
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KENJI TAKAHASHI
Article type: Article
1958 Volume 14 Issue 3 Pages
169-173
Published: November 15, 1958
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The general methods of radiography of the bladder have been insufficient to diagnosis the fundus and posterior wall of the bladder and have been unable to satisfy the recent demands of the field of urology. The author contrived and reported here a way of synthetic diagnosis of bladder lesions which is the combination of five methods, i.e., anteriorposterior, "Takayasu-Nishiura "-midification, basal, axial and dorsal cystography with injection of X-SOL (barium sulfate) into the bladder.
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SADAO TABATA
Article type: Article
1958 Volume 14 Issue 3 Pages
174-176
Published: November 15, 1958
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In radiography of the patella, a distinct full image is very difficult to obtain because of the anatomical position and only lateral images have been used. It is proper, however, that a full image should be used in detailed radiography of the patella. Taking a radiogram of the patella from two direction, posterolateral and posteromediar, with the application of a modification (Kaikaku Satsueiho), a distinct full image was obtained with radiography of the detailed structure of the patella.
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GORO MIYASHITA, YOSHIO KONDO
Article type: Article
1958 Volume 14 Issue 3 Pages
177-181
Published: November 15, 1958
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To rationalize the radiography of patients in plaster casts, basic studies were made as follows ; Coefficients of exposure of phantoms in plaster casts in several thichneses were measured and from the results, a table was made to facilitate calculations of the best condition for radiography of patients in plaster casts. Satisfactory results were obtained clinically.
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KAZUMI NAGASE
Article type: Article
1958 Volume 14 Issue 3 Pages
182-185
Published: November 15, 1958
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In the contrast radiography of the parotid, a distinct image is difficult to obtain because of the overshadowing mandible and cervical vertebrae. The author examined the posture of the patient and incident angle of normal X-ray with a positioning board and special cone and obtained satisfactory results. The contrast media to be used for it were also investigated.
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
186-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
186-187
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
187-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
187-188
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
188-189
Published: November 15, 1958
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Article type: Appendix
1958 Volume 14 Issue 3 Pages
190-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
191-192
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
192-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
192-
Published: November 15, 1958
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[in Japanese], [in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
192-
Published: November 15, 1958
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[in Japanese]
Article type: Article
1958 Volume 14 Issue 3 Pages
192-
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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Article type: Cover
1958 Volume 14 Issue 3 Pages
Cover6-
Published: November 15, 1958
Released on J-STAGE: June 21, 2017
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