result 135 件
| Author | Inada, Minoru| |
|---|---|
| Published Date | 1959-05-01 |
| Publication Title | 岡山医学会雑誌 |
| Volume | volume71 |
| Issue | issue6-1 |
| Content Type | Journal Article |
| JaLCDOI | 10.18926/40421 |
|---|---|
| Title Alternative | CHROMATOGRAPHIC ANALYSIS OF METALS BY ORGANIC REAGENTS (Ist Report) |
| FullText URL | pitsr_005_001_043.pdf |
| Author | Ashizawa, Takashi| |
| Abstract | The principle of this method is to combine the metals with organic reagents, then extract them with non-polar solvents, and determine them by making chromatograph with adequate adsorbents. Dithizone is used to determine Hg, Cd, Bi, Ag, Cu, Zn, Ni, Co, Tl, Pb, Pd and its isotopes, Pt group, Au, etc. Diphenylcarbazone is applicable to determine Hg, Cu, Zn, Ni, etc. Xanthate is useful to determine Mo, Cu, Ni, Co, etc. α-orβ- Nitrosoβ- orα-naphthol is used to determine Fe, Co, earth acids etc. Diethyldithiocarbamate is used to determine Mo, Cu, Ni, Co, Fe, etc. Oxine series are useful to determine Cu, Ni, Fe, V, rare earth etc. α-indolcarbonic acid is applied to determine Fe, Co, rare earth etc. Acethyl acetone is used to determine Th, Fe, etc. Some other organic reagents were used moreover. There are some elements of which necessary condition for quantitative determination is still not decided or the order of adsorption is indefmite. As adsorbents alkaline, neutral or acid alumina, diatom earth and aluminate, magnesium carbonate, calcium carbonate, urea formaline resin, heulandite, mordenite, desmine, chabazite etc· were used. With this method the author tryed severd determinations on rocks, minerals, mineral springs, organisms etc. The contento; of Cu, Zn, Ni and Co in rocks were 0.007, 0.008, 0.002 and 0.004% respectively. Cobalt content proved to be more than that of nickel. The mercury content of rocks was proved to be 10 times more to Clarke number, bismuth and cadmium content as same as or less than Clarke number. Silver in plants, soil and mineral waters, platinum in serpentine; mercury, cadmium, bismuth etc in mineral waters, trace heavy metals in organism, etc were determined. Radium B and Thorium B in hot spring waters were used as tracer. As organic solvents methyl-, ethyl-, butyl-, amy1-, octyl alcohol, dioxan, benzol, toluene, xylol, petroleum ether, ether, ethylacetate, chloloform, carbon tetrachloride, carbon disulfide etc were applied. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1951-08 |
| Volume | volume5 |
| Start Page | 1 |
| End Page | 43 |
| ISSN | 0369-7142 |
| Related Url | http://ousar.lib.okayama-u.ac.jp/metadata/15296 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002509302 |
| JaLCDOI | 10.18926/40364 |
|---|---|
| Title Alternative | Direct colorimetric and volumetric determination of calcium with new reagent |
| FullText URL | rbl_003_039_042.pdf |
| Author | Ashizawa, Takashi| |
| Abstract | The anthor found that azocal-A reacts only with calcium, and devised a direct colorimetric, and a direct titration method for calcium determination using azocal-A as an indicator, and obtained a satisfactory result. Accuracy : detectable amount in NaOH……0.28 γ, of Ca ; detectable amount in NH(4)OH……2 γ, of Ca. Sensibility……1 : 125,000 & 1 : 17,500 respectively. Interfering substances : Fe, U, Ni, Co, Hg, Ag, citrate, tartarate, oxalate, large amount of NH(4) salts, Sr, Mg. Not interfering subst. : Ba, F, acetate and silicate. Reagents : Saturated soln. of azocal-A in weak NaOH soln.. Spot test procedure : Place a drop of the acid or neutral test soln. upon white spot plate, add 1 drop of azocal-A soln., and mix them. If a yellow color appears, calcium is present. Colorimetric method: Transfer water sample containg not more than 0.05 mg of calcium, and not more than 5 mg of Fe, Mn, Mg, etc. to a 20 cc colorimetric tube, add 0.5-1 cc of azocal-A soln. and 0.5 cc of 6N-NaOH soln.. Allow it to stand for 10 minutes. Then compare the resulted yellow color with standard Ca soln. prepared similarly and simultaneously. Volumetric method : Amount determinable : 0.1 g of calcium. Transfer 40 cc of sample containg 5-100 mg to a 100 cc Erlenmeyer's flask, add 0.5 cc of 6N-HCl, add azocal-A to the amount of pink color as caused by methyl orange in acid soln.. Make alkaline with 1 cc of 6N-NaOH. Add 10 cc alcohol to every 40 cc of the sample solution. Then its color turns to yellow. Titrate with 0.1 N oxalate soln.. 1.0 cc of 0.1 N oxalate soln. is equivalent to 2.0 mg of Ca. Absorption band of the acid soln. at 4900 A, alkaline soln. at 5000 A, Ca-compound at 4300 A. The azocal-A is o-carboxy-benzol-azo-2-naphtol 3, 6-disulfonic acid prepared from anthranilic acid and R-salt. |
| Publication Title | 放射能泉研究所報告 |
| Published Date | 1950-07-25 |
| Volume | volume3 |
| Start Page | 39 |
| End Page | 42 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002484888 |
| JaLCDOI | 10.18926/40197 |
|---|---|
| Title Alternative | Minor elements of the Nanbu Kotai of Nakatsugo Deposits, Ningyo Toge Uranium Mine |
| FullText URL | pitsr_036_023_030.pdf |
| Author | Watanabe, Koji| |
| Abstract | The Nakatsugo Deposits are the main deposits of the Ningyo Toge Mine which is located in the northern part of Okayama Prefecture. Nakatsugo Deposits consists of the two main ore body, namely, Nanbu Kotai (southern ore body) and Hon Kotai (main ore body). Nanbu Kotai is occupied mostly by the unoxidized zone and high grade ores containing ningyoite (n% U) are widely found in the basal conglomerates. Minor elements in the common rocks such as basal granites, conglomerates, sandstones, dikes, and shales as well as the uraniferous ores were determined quantatively by fluorescent X-ray spectrometric analysis (for U, Zr, Y, Sr, As, and Fe) and spectrophotometric analysis (for Ni and Co). As the results of this study, it is found that the uraniferous ores are characterised by extremely high contents of Zr, Y, Sr, and As, which show positive and linear correlation with the U contents. It is confirmed that As is concentrated in pyrite which is usually associated with the uraniferous ores. Elements such as Ni and Co are slightly concentrated both in the uraniferous ores and andesite dikes. This fact may suggest some genetic relationship among them. However, it does not seem to be plausible to draw any definite conclusion on the origin of the uranium deposits from these relationships. As to the minor element distribution in common rocks, no systematic variation was found except for the rock samples closely associated with the ore deposits. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1966-10-25 |
| Volume | volume36 |
| Start Page | 23 |
| End Page | 30 |
| ISSN | 0369-7142 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002400933 |
| Author | Mu, Daobin| Kondo, Kazuo| Maeda, Junpei| |
|---|---|
| Published Date | 2004-6 |
| Publication Title | Journal of the Electrochemical Society |
| Volume | volume151 |
| Issue | issue7 |
| Content Type | Journal Article |
| Author | Hagiwara, M| Tsujii, H| Rotundu, C R| Andraka, B| Takano, Y| Tateiwa, N| Kobayashi, T C| Suzuki, T| Suga, S| |
|---|---|
| Published Date | 2006-4 |
| Publication Title | Physical Review Letters |
| Volume | volume96 |
| Issue | issue14 |
| Content Type | Journal Article |
| Author | Kanda, Takefumi| Makino, Akira| Ono, Tomohisa| Suzumori, Koichi| Morita, Takeshi| Kurosawa, Minoru Kuribayashi| |
|---|---|
| Published Date | 2006-2 |
| Publication Title | Sensors and Actuators A: Physical |
| Volume | volume127 |
| Issue | issue1 |
| Content Type | Journal Article |
| Author | Lukman, Hakim| Sabarudin, Akhmad| Oshima, Mitsuko| Motomizu, Shoji| |
|---|---|
| Published Date | 2007-04-04 |
| Publication Title | Analytica Chimica Acta |
| Volume | volume588 |
| Issue | issue1 |
| Content Type | Journal Article |
| Author | Sabarudin, Akhmad| Lenghor, Narong| Oshima, Mitsuko| Hakim, Lukman| Takayanagi, Toshio| Gao, Yun-Hua| Motomizu, Shoji| |
|---|---|
| Published Date | 2007-01-18 |
| Publication Title | Talanta |
| Volume | volume72 |
| Issue | issue5 |
| Content Type | Journal Article |
| Author | Sabarudin, Akhmad| Noguchi, Osamu| Oshima, Mitsuko| Higuchi, Keiro| Motomizu, Shoji| |
|---|---|
| Published Date | 2007-04-26 |
| Publication Title | Microchimica Acta |
| Volume | volume159 |
| Issue | issue3-4 |
| Content Type | Journal Article |
| JaLCDOI | 10.18926/AMO/32133 |
|---|---|
| FullText URL | fulltext.pdf |
| Author | Akiyama, Seiroku| |
| Abstract | Uberall springt die Veranderung im Falle des Galvanisationsversuches in die Augen, wenn man sie mit der der Kontrolle vergleicht. Dies ist nicht bloss auf die Wirkung der Warme zurtickzuftihren, sondern die Annahme lieogt nahe, dass die Wirkung der Salze durch den elektrischen Strom gefordert wird, indem die kataphorisch bewegenden Ionen leicht in die Zelle eindringen konnen. Dabei macht sich ein physiko-chemischer Vorgang geltend, der eine Veranderung der kolloidalen Zellsubstanz zur Folge hat. Die alkalischen Kationen dringen mit Wasser zusammen in den Zelleib ein. Dies wird zum Anlass einer Aufquellung der Zellen wobei die Nisslschen Kornchen sich nicht zu grosseren Kornchen vereinigen konnen, sondern durch eine Wasserschicht getrennt als feine Granula zuruckbleiben. Diese Veranderung ist bei Anwendung von Kaliumsalzen am bedeutendsten, und zwar deshalb, weil K-Ion eine grossere Wanderungsgeschwindigkeit hat und infolgedessen leicht in die Zelle eindringen kann. Dasselbe gilt auch fur NH-Ion, welches ein sehr grosses Eindringungsvermogen hat und auf die. Zelle noch starker wirkt als K-Ion. Dagegen dringen die lonen der Erdalkalien im allgemeinen nur schwer in den Zelleib ein, bleiben vielmehr eine Zeit lang ausserhalb der Zelle, der sie Wasser entziehen. Die Folge davon ist, dass die Zellen zusammenschrumpfen uud in ihrer Umgebung eine Lucke entsteht. Die Nlsslschen Schollen werden durch Mangel an Wasser dichter, sodass die ganze Zelle in die Pyknose verfallt. Diese Veranderung ist im Falle von Ca" am starksten, wahrend sie im Falle von Mg" in den Hintergrund tritt, sodass die Wirkungsstarke sich folgendermassen reihen lasst : Ca">Sr">Ba">Mg". Die Kationen der Schwermetallsalze haben im allgemeinen die Eigenschaft, Kolloide koagulieren zu lassen und als Protoplasmagift zu wirken ; vor allenl zerstOren Cu" und Ni" die Zellmembrane. Die Anionen haben uberhaupt die Eigenschaft, die Plasmahaut zu lockern und das Kolloid des Zelleibes aufquellen zu lassen. Verschie dene strukt,uelle durch sie verursachte Veranderungen beruhen nur auf verschiedene Graden ihrer Wirkung, die bei den Haloiclen und Salzen der organischen Sauren am starksten ist. Die mehrwertigen Anionen, wie S04", vermbgen nur mit Schwierigkeiten in die Zelle hineinzugelangen. Daher wirken sie auf die Zelle wasserentziehend, was zur Folge hat, dass jede Zelle von einer Lticke umgeben ist. Fe(CN)6"", ein zusammengesetztes lon, hat ein grosses Gewicht und kann fast gar nicht in die Zelle eindringen, wobei die Zelle keine nennenswerte Veranderung erleiclet. Im Gegensatz zu den Anionen, dle auf die Zellen aufquellend wirken, haben die Kationen im allgemeinen die Eigenschaft, das Zellkolloid koagulieren zu lassen, weil ihre elektrische Ladung der des let,zberen geracle entgegesetz ist. Doch sind sie mehr oder weniger mit einer Wasserhtille versehen, welche die Zellen anschwellen lasst, und diese Folgeerscheinung macht, sich vor allenl im Falle von K und NH4 geltend. Was Vakuolen im Zelleib anbetrifft, so decken sich meine Befuncle mit denen von Izawa und Carrado nur wenig, indem die Vakuolen in meinen Fallen in den Hintergrund treten, was wahrscheinlich darauf zuruckzufuhren ist, dass ich bei meinen Versuchen einen viel schwacheren elektrischen Strom anwendete. |
| Amo Type | Article |
| Publication Title | Arbeiten aus der Medizinischen Universität zu Okayama |
| Published Date | 1929-06 |
| Volume | volume1 |
| Issue | issue2 |
| Publisher | Okayama University Medical School |
| Start Page | 278 |
| End Page | 298 |
| NCID | AA00508452 |
| Content Type | Journal Article |
| language | German |
| File Version | publisher |
| Refereed | True |
| JaLCDOI | 10.18926/AMO/31387 |
|---|---|
| FullText URL | fulltext.pdf |
| Author | Kimoto, Tetsuo| Koshiba, Koichi| Hayashi, Kenji| |
| Abstract | Histogenesis of hepatic cancer has been analysed by observing glycogen by PAS staining and the histochemically demonstrable G-6-Pase activity on the liver of rats fed with 3'-Me-DAB or 3'-Ni-DAB. By observations on normal hepatic tissue it has been revealed that these two reactions are specific to the cytoplasm of liver parenchymal cells. Observations on the liver from the early stage of dye feeding, up to 100 days, show a marked proliferation of cholangioles in 3'-Me-DAB feeding on polished rice but only a poor reaction of cholangioles in 3'-Me-DAB feeding with synthetic diet. After 15-16 weeks of 3'-Me-DAB feeding cancer develops, a great erpart of which is consisted of cholangiocellular carcinoma and a portion, hepatocellular carcinoma. Histochemical observations on G-6-Pase and glycogen reveal that regenerating cholangiole and adenomatous tissues seem to have poles, on one side, the cells differentiate to liver parenchymal cells and on the other side, they differentiate to bile duct cells. Cancers develop mainly from these regenerating adenomatous tissues and they develop to cholangiocellular cancer or to hepatocellular cancer. The histogenesis of the latter can be traced histochemically. In the cases fed with 3'-Ni-DAB, the activity of cholangiole cells and the development of adenomatous tissue are rather poor with the delayed cancer formation. However, in these cases the majority of cancers are of hepatocellular carcinoma and the developmental mode of hepatocellular cancer can easily be traced by the G-6-Pase activity. |
| Amo Type | Article |
| Publication Title | Acta Medicinae Okayama |
| Published Date | 1961-12 |
| Volume | volume15 |
| Issue | issue6 |
| Publisher | Okayama University Medical School |
| Start Page | 391 |
| End Page | 403 |
| NCID | AA00041342 |
| Content Type | Journal Article |
| language | English |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 14456022 |
| NAID | 120002312684 |
| JaLCDOI | 10.18926/AMO/30844 |
|---|---|
| FullText URL | fulltext.pdf |
| Author | Sunami, Yoshifumi| Ishikawa, Eijiroo| |
| Abstract | Today Vitallium is used for surgical implants. It is a casting alloy which, with advances in casting technology, is also used commercially for making instruments of fairly complex shape. Because of its expense, however, it is not widely used in Japan. Instead, a series of 18-8 Mo alloys are used in Japan even though of insufficient strength. Used over a long period of time in the body, especially for the purpose of preserving structual functions as part of the human skeleton, it often corrodes, resulting in either abnormalities in tissue cells or, because of its insufficient strength, danger of bending and breaking with aging. In spite of a marked advance in fracture treatment, we have hardly any suitable materials for making instruments appropriate to the internal fixation of fractures in Japan. We, therefore, conducted various experiments to develop an alloy with sufficient corrosive resistance and strength that could be formed into a complex shape to take the place of Vitallium alloy, finally succeeding in developing an alloy we call "COP". The characteristic properties of COP may be summarized as follows: 1. The main components are 20% Cr, 20% Ni, 20% Co and 4% Mo aside from 0.2% P. 2. As it contains "P", it shows a marked age-hardening. In its molten state its machinability is excellent, and later it can readily be hardened by heat-treatment. 3. It has not only a marked yield point and tensile strength but also has toughness in elongation and reduction of area, showing a strength which surpasses Vitallium. 4. Its corrosive resistance is great. 5. Its cost is far cheaper than Vitallium. |
| Amo Type | Article |
| Publication Title | Acta Medica Okayama |
| Published Date | 1977-02 |
| Volume | volume31 |
| Issue | issue1 |
| Publisher | Okayama University Medical School |
| Start Page | 71 |
| End Page | 80 |
| ISSN | 0386-300X |
| NCID | AA00508441 |
| Content Type | Journal Article |
| language | English |
| File Version | publisher |
| Refereed | True |
| PubMed ID | 140592 |
| NAID | 120002305619 |
| Author | Shakunaga, Takeshi| Sakaue, Fumihiko| |
|---|---|
| Published Date | 2002-08-11 |
| Publication Title | Pattern Recognition |
| Volume | volume1 |
| Content Type | Journal Article |
| FullText URL | fulltext.pdf |
|---|---|
| Author | Shakunaga, Takeshi| Sakaue, Fumihiko| Shigenari, Kazuma| |
| Keywords | eigenvalues and eigenfunctions face recognition object recognition |
| Note | Digital Object Identifier: 10.1109/AFGR.2004.1301538 Published with permission from the copyright holder. This is the institute's copy, as published in Automatic Face and Gesture Recognition, 2004. Proceedings. Sixth IEEE International Conference on, 17-19 May 2004, Pages 241-247. Publisher URL:http://dx.doi.org/10.1109/AFGR.2004.1301538 Copyright © 2004 IEEE. All rights reserved.| |
| Published Date | 2004-5 |
| Publication Title | Proceedings of the Sixth IEEE International Conference on Automatic Face and Gesture Recognition |
| Publisher | IEEE Computer Society |
| Start Page | 241 |
| End Page | 247 |
| NCID | BA68686880 |
| Content Type | Conference Paper |
| language | English |
| OAI-PMH Set | 岡山大学 |
| Copyright Holders | IEEE |
| File Version | publisher |
| DOI | 10.1109/AFGR.2004.1301538 |
| JaLCDOI | 10.18926/21109 |
|---|---|
| Title Alternative | Properties of materials under hydrothermal conditions. I. Permeation of hydrogen through gold membrane |
| FullText URL | pitsr_054_055_060.pdf |
| Author | Kishima, Noriaki| |
| Abstract | Permeation rate of hydrogen through a gold cell made as a reaction vessel for a Dickson-type hydrothermal apparatus was measured at 50°intervals from 300°to 450℃ under a hydrothermal condition. The gold cell chosen for the measurement had a shape and size illustrated in Fig. 1 when it was fully expanded, and was a typical one in the meaning that it had been used several times for hydrothermal experiments (its total history may be equivalent to one month at 490℃) and that it had a body enlarged by about 8% in diameter from the original size as a result of pinhole check made by applying a gas pressure to the inside. The cell was filled with an appropriate amount of pure water, placed in a pressure vessel made of Ni-base alloy, pressurized by injecting water to the outside of the cell and kept under predetermined temperatures and pressure (=1 kbar). Meanwhile, small fractions of the waters inside and outside the cell were sampled at times and analyzed for H(2) gas-chromatographically as described in ref. (5). H(2) concentrations in the samples (CH(2)) were converted to H(2) fugacity values by using the conversion factors (Y) given in ref. (6). At each temperature, the permeation rate (k) of H(2) through the cell is evaluated by correlating the measured fH(2) values with time (t) according to eq. (2), where fo is the fH(2) in the outer water and is a constant, and fi and m are the fH(2) in and the mass of the inner water, respectively. The relevant data and results are shown in Table 1. The present data for the permeation rate φ, expressed in c㎥ H(2) at STP per 1c㎡ surface area, 1 mm wall thickness, 1 (bar)(1/2) of (fH(2))(1/2) difference and 1 hour, are plotted in Fig. 2 in relation to 1/T (K) and compared with one available data, which is a combination of reported solubility and diffusion coefficient data for hydrogen into gold at higher temperatures. The present data can be fitted into eq. (3). The present result may be of importance for hydrothermal experimental studies of geochemical redox reactions and of hydrogen isotope exchange reactions, and the technique used may also be important as a new, simple method of measuring hydrogen permeability through noble metals. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1984-03-25 |
| Volume | volume54 |
| Start Page | 55 |
| End Page | 60 |
| ISSN | 0369-7142 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002310991 |
| Author | Lee, Kyue-Hyung| Oshima, Mitsuko| Takayanagi, Toshio| Motomizu, Shoji| |
|---|---|
| Published Date | 1999-08 |
| Publication Title | 環境制御 |
| Volume | volume21 |
| Content Type | Departmental Bulletin Paper |
| Author | Muramoto, Shigeki| Ohtsuka, Kazushige| |
|---|---|
| Published Date | 2002-08 |
| Publication Title | 環境制御 |
| Volume | volume24 |
| Content Type | Departmental Bulletin Paper |
| Author | Sawatari, Ikuo| Oshima, Mitsuko| Motomizu, Shoji| Toei, Kyoji| |
|---|---|
| Published Date | 1984-02-05 |
| Publication Title | 分析化学 |
| Volume | volume33 |
| Issue | issue2 |
| Content Type | Journal Article |
| FullText URL | Ana_Sci_16_731.pdf |
|---|---|
| Author | Lee Kyue-Hyung| Oshima, Mitsuko| Takayanagi, Toshio| Motomizu, Shoji| |
| Published Date | 2000-07-10 |
| Publication Title | Analytical Sciences |
| Volume | volume16 |
| Issue | issue7 |
| Publisher | 日本分析化学会 |
| Start Page | 731 |
| End Page | 738 |
| ISSN | 0910-6340 |
| NCID | AA10500785 |
| Content Type | Journal Article |
| language | English |
| OAI-PMH Set | 岡山大学 |
| Copyright Holders | 日本分析化学会 |
| File Version | publisher |
| DOI | 10.2116/analsci.16.731 |
