result 8971 件
| JaLCDOI | 10.18926/15569 |
|---|---|
| Title Alternative | CONCENTRATION OF RADIOACTIVE ELEMENTS IN THERMAL. WATERS BY ION EXCHANGE RESIN AND ITS APPLICATION ON ANALYSIS. |
| FullText URL | 006_025_033.pdf |
| Author | Ashizawa, Takashi| |
| Abstract | The author succeeded to concentrate Radium B, Radium C, Thorium B etc. in thermal waters of Misasa almost completely without carrier using ion exchange resin and sulfonated coal. Ion exchange resin is useful for the determination of Th B in the mineral waters. The condition of ion exchange reaction concerning lead and bismuth was investigated. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1952-03 |
| Volume | volume6 |
| Start Page | 25 |
| End Page | 33 |
| ISSN | 0369-7142 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307922 |
| JaLCDOI | 10.18926/15568 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_2_23.pdf |
| Author | Yoshii Tensho| Kikuchi Susumu| |
| Abstract | The problem of the optimal assignment of facilities to locaticns has been solved by J.W. Gavett and Normann V.Plyter. In their paper the branch and bound technique is used and for this purpose the distance matrix is transformed into the matrix whose diagonal compoents are zero. The purpose of this paper is to avoid such a transformation and the store of the distance matrix into the computer. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1967-04-01 |
| Volume | volume2 |
| Issue | issue1 |
| Start Page | 23 |
| End Page | 25 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307907 |
| JaLCDOI | 10.18926/15567 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_2_20.pdf |
| Author | Kikuchi Susumu| Matsuda Motoi| |
| Abstract | In this paper, we suggest the essentiality of the Learning Function in the total administration rather than the analytic management. Moreover, in order to manage the enterprise in wider and deeper markets, more excellent self-learning and high potentials become much indispensable for the trustworthy employers and employe. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1967-04-01 |
| Volume | volume2 |
| Issue | issue1 |
| Start Page | 20 |
| End Page | 22 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307244 |
| JaLCDOI | 10.18926/15566 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_2_12.pdf |
| Author | Mizumoto Hisao| |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1967-04-01 |
| Volume | volume2 |
| Issue | issue1 |
| Start Page | 12 |
| End Page | 19 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307145 |
| JaLCDOI | 10.18926/15565 |
|---|---|
| Title Alternative | CHROMATOGRAPHIC ANALYSIS OF METALS WITH ORGANIC REAGENTS (2) ANALYTICAL METHOD OF PALADIUM. |
| FullText URL | 006_020_024.pdf |
| Author | Ashizawa, Takashi| |
| Abstract | 0.005r of paladium is detectable by the dithizone chromatographic method. Its absorption band is bluish green and situates between the brownish purple hand of nickel and violet band of cobalt. A micro amount of paladium, such as contained in rocks, can be determined by the dithizone chromatographic method. Interfering ions are eliminated by the combination of copper sulfide and nickel dimethylglyoxime methods. Analytical methods of paladium, nickel, cobalt, and copper by paper chromatograph were investigated. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1952-03 |
| Volume | volume6 |
| Start Page | 20 |
| End Page | 24 |
| ISSN | 0369-7142 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307184 |
| JaLCDOI | 10.18926/15564 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_2_5.pdf |
| Author | Yamada Toshiro| Kani Kouki| Nishijima Kunihiro| |
| Abstract | In order to clarify the sealing mechanism of an oil seal, it is necessary to know its fundamental properties and movement now in action. There are two subjects in this study. One is to reveal the temperature dependence of fundamental properties, mainly wringing force, average wringing pressure and lip contact width, and the other is to know the lip temperature now in action and to know how the lubrication is carried out at the lip portion. The measurements were carried out with our devised instruments for the former subject and with a thermocouple for the latter. A simple analysis of the lip temperature obtained was made in order to know a mechanism of the lubrication. The results indicate that with the rise of temperature of oil seal, the wringing force and the average wringing pressure decrease because of the reduction of rubber elastic modulus and of thermal expansion of spring, and the lip contact width hardly varies, and also indicate that under a constant temperature of lubricating oil, the lip temperature never rises so high as in the case of free rising of oil temperature, and that the fluid lubrication is carried out at the lip. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1967-04-01 |
| Volume | volume2 |
| Issue | issue1 |
| Start Page | 5 |
| End Page | 11 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307333 |
| JaLCDOI | 10.18926/15563 |
|---|---|
| Title Alternative | DIRECT COLORIMETRIC AND DIRECT TITRIMETRIC DETERMINATION OF CALCIUM WITH NEW REAGENT (SUPPLEMENTARY REPORT) |
| FullText URL | 006_015_019.pdf |
| Author | Ashizawa, Takashi| |
| Abstract | The author improved the accuracy of the direct colori metric method of calcium determination with azocal-A using an electrophotometer and made an investigation of interfering ions concerning this method. With this improved method calcium content of 0.2-several mgs per liter can be determined using only 5cc. of river water sample with an error of 土10%. Only 2 minutes are enough for a single determination and this method surpassed the ordinary oxalate method in accuracy. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1952-03 |
| Volume | volume6 |
| Start Page | 15 |
| End Page | 19 |
| ISSN | 0369-7142 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307466 |
| JaLCDOI | 10.18926/15562 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_2_1.pdf |
| Author | Hirose Koji| Fujita Shiro| |
| Abstract | The friction coefficient for unsteady flow of fluids in pipes has not been studied so well. Usually the friction coefficient for steady flow has been used in place of one for unsteady flow. For a checkup of shis institution, in this paper, the pedulation of water column in an open vertical U-tabe is studied analytically and experimentally. The results of the numerical calculations coincide with the experimental results fairly well. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1967-04-01 |
| Volume | volume2 |
| Issue | issue1 |
| Start Page | 1 |
| End Page | 4 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307938 |
| JaLCDOI | 10.18926/15561 |
|---|---|
| Title Alternative | CHEMICAL STUDIES ON MISASA HOT SPRING (17) RADIUM B CONTENT AND ITS MEASURING METHOD. |
| FullText URL | 006_012_014.pdf |
| Author | Ashizawa, Takashi| |
| Abstract | With a newly devised method of Ra. B determination using Dithizone extraction the author measured the Ra. B contents of Misasa and Sekigane Hot Springs. This method is applicable to the weakly radioactive waters. Radium B content of Misasa Hot Spring rangeS from 3.0 to 7.2×10(-9) Curie units per liter and the distance of its radon soure from the issuing point was estimated to be 3-25土5 minutes. |
| Publication Title | 岡山大学温泉研究所報告 |
| Published Date | 1952-03 |
| Volume | volume6 |
| Start Page | 12 |
| End Page | 14 |
| ISSN | 0369-7142 |
| language | Japanese |
| File Version | publisher |
| NAID | 120002307330 |
| JaLCDOI | 10.18926/15560 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_138.pdf |
| Author | Ohta Mutsuo| Hashimoto Fumio| Tanimoto Tadashi| |
| Abstract | The changes of electrical resistivity of several alloys, that is, Al-10wt % Zn, Al-10wt % Zn-0.01wt % Cd, Al-10wt % Zn-0.01wt % In, Al-10wt % Zn-0.01wt % Sn, Al-3.0wt % Ag, Al-3.0wt % Ag-0.01wt % Cd, Al-3.0wt % Ag-0.01wt % In, Al3.0wt % Ag-0.0lwt % Sn, Al-3.0wt % Cu, Al-3.0wt % Cu-0.0lwt % Cd and Al-3.0wt % Cu-0.01wt % In, during isothermal aging after quenching were measured. The interactions between a vacancy and a cadmium, indium or tin atom in Al-10wt % Zn, Al-3.0wt % Ag and Al-3.0wt % Cu alloys were estimated. Binding energies obtained for Al-Zn, Al-Ag and Al-Cu base ternary alloys agree within experimental accuracy with each other. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 138 |
| End Page | 147 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307592 |
| JaLCDOI | 10.18926/15559 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_134.pdf |
| Author | Ohta Mutsuo| |
| Abstract | Polycrystalline specimens of Al-30wt % Ag and Al-30wt % Zn alloys, which were quenched into water from the temperature of solution heat treatment, were annealed at L.T. aging temperatures or reversion temperatures so as to make them contain zones of nearly equal radii for each alloy and various concentrations of solute element in zones. These specimens were cold rolled exactly to 50%, and then annealed at L. T. aging temperatures for varying time. The state of zones and precipitates were investigated by X-ray small-angle scattering photographs. The results obtained were as follows: (1) The precipitation ofγ'-phase began earlier in the specimens of Al-Ag alloy annealed at L. T. aging temperature before cold rolling than in those specimens annealed at reversion temperatures before cold rolling when annealed at L. T. aging temperatures after cold rolling. (2) The rate of precipitation of Zn solid solution in Al-Zn alloy did not depend upon the annealing temperature before cold rolling when cold rolled specimens were annealed at L. T. aging temperature. (3) In Al-Ag alloy, the rate of disappearance of G. P. zones at L. T. aging temperature depends mainly upon the annealing temperature before cold rolling. On the other hand, in Al-Zn alloy, the rate of disappearance of G. P. zones at L. T. aging temperature does not depened upon the annealing temperature before cold rolling. (4) These results may be explained without contradiction considering the relation of structures between matrix and precipitates and the deformation stacking faults. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 134 |
| End Page | 137 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307180 |
| JaLCDOI | 10.18926/15558 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_130.pdf |
| Author | Wada Tsutomu| Ohgishi Shinji| |
| Abstract | The method of the harmonic analysis of the human operator's characteristics by means of an analog computer is described. The human operator's characteristics in the closed loop system are described by vector locus. The human operator controls in response to the sine wave input so as to make constant the gain in the closed loop system. In accordance with the change of the input frequency, the operator changes his control action. Consequently the transfer function of the human operator's characteristics is too complex and difficult to be described by a linear element. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 130 |
| End Page | 133 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307865 |
| JaLCDOI | 10.18926/15557 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_120.pdf |
| Author | Wada Tsutomu| Sawaragi Yosikazu| Yonezawa Yoo| |
| Abstract | We attempt to apply the feedback compensation technics of on-off controller to the pneumatic systems. In this paper, we describe the structure and the action of a new developed pneumatic on-off controller with feedback compensation, and the principle of the special pilot valve which is used in the controller as the on-off element. Next, it is shown analytically and experimentally that the dynamic characteristics of the controller are nearly equal to those of the continuous one which has an infinite proportional gain instead of the on-off element, if the time average of its discontinuous output is treated as the output of the controller. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 120 |
| End Page | 129 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307543 |
| JaLCDOI | 10.18926/15556 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_116.pdf |
| Author | Takamatsu Takeichiro| Sayama Hayatoshi| |
| Abstract | The identification or model building of system is the important problem for the dynamic optimization of chemical plant and it is desired that this mathematical model can be determined as quickly and as exactly as possible from experimental or operating data. Recently the identification of linear system has been studied, but there have been few papers on nonlinear systems. Especially, no approaches can be found to identify effectively a chemical reaction process which is a nonlinear and nonisothermal system. Except for the case in which the linearized model is enough to represent the approximate dynamic behaviour of the plant, system should be directly represented by nonlinear mathematical model in general. In this paper, the gradient method was applied to identify a nonlinear system. In this method, the parameters to be chosen optimally are regarded as timeinvariant control variables and they are numerically determined by using a high speed digital computer (KDC-I). As a numerical example, we choose a continuous stirred tank reactor with the first order exothermic reaction and show the procedure to determine the three parameters, that is, the order of reaction, the values of activation energy and frequency factor. It should be emphasized that this approach makes it possible to construct the mathematical model of nonisothermal chemical reaction processes only from input and output data. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 116 |
| End Page | 119 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307194 |
| JaLCDOI | 10.18926/15555 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_110.pdf |
| Author | Takamatsu Takeiciro| Sayama Hayatoshi| Tonoike Takao| |
| Abstract | The batch chemical reaction is chosen as the process model to be optimized and the rate constants are functions of pressure only, as the reactions are assumed to occur isothermally. The time optimal control problem considered here means to determine the minimum time path from the given initial compositions to desired final compositions by manipulating the process pressure. A gradient method or a steepest-ascent method is applied to determine the control variable program by using the high speed digital computer. Numerical solutions are presented for the following three cases: (1) no constraint on the operating pressure ...... open and matched terminal constraint. (2) constraint on the operating pressure ...... open terminal constraint. (3) constant operating pressure ...... open terminal constraint. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 110 |
| End Page | 115 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307978 |
| JaLCDOI | 10.18926/15554 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_106.pdf |
| Author | Kikuchi Susumu| Harano Hiromi| Miyazaki Yoshiyuki| |
| Abstract | In this experiment the comparison was studied between the muscular and the nervous fatigue and the flicker phenomenal value of the optic nerve. In order to measure the physical fatigue, various methods have been reported by many authers. In this experiment, a quantification of the fatigue was tried though the relation between the amount of mental activity and the FF (flicker frequency), which is useful in physical fatigue measurement with the change in respiration and pulse. In measuring the FF, respiration and pulse caused by physical work, it shows that the these three measured values are somewhat exponential, which might be called the exponential accumlation of fatigue. In mental activity slight relation was also found between fatigue and learning. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 106 |
| End Page | 109 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307356 |
| JaLCDOI | 10.18926/15553 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_98.pdf |
| Author | Kikuchi Susumu| Tomiya Nobuaki| |
| Abstract | Demand and supply of service are complicatedly related with the balance between fixed capital and circulating capital, movement to the left or right side from a break-even point, and other factors. If there is the disproportion between demand and supply of service, the waiting line to take a service will vary, and in some cases, fixed equipment will not be employed effectively. This report presents trial manufacture of the experimental equipment for waiting line problems. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 98 |
| End Page | 105 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307672 |
| JaLCDOI | 10.18926/15552 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_91.pdf |
| Author | Kikuchi Susumu| Matuda Motoi| |
| Abstract | As has been told, industry is roughly composed of three elements: man, money and machine. Along with a macroscopically slow development in social democracy on each microscopically quantum stage, management and administration in almost enterprise they have been exceptionally concerned with one after another. From machine to man, from man to money and then from money to machine, cyclically the tentative subject has been transfered as though we are nondescending the spiral stair with ever divergent radii. (Fig.1) |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 91 |
| End Page | 97 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307525 |
| JaLCDOI | 10.18926/15551 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_84.pdf |
| Author | Misaki Takayoshi| Kato Osamu| |
| Abstract | Described in this paper are the design considerations of the simple element of the two-dimensional RC distributed constant circuit and its applications for the analysis of the transient heat conduction problems in engineering work. This element is formed by coating with the resistive film the upper surface of the high permittivity ceramics plate whose back side to be silvered. In addition to a resistivity of every elementary area within the resistive film, there exists capacitive coupling between the area and ground. This element can be regarded as a typical two-dimensional RC distributed system and utilized as a simulator for the same dimensional heat conduction system. It has a convenience and high accuracy for the analysis of the transient heat conduction problems in engineering work. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 84 |
| End Page | 90 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307680 |
| JaLCDOI | 10.18926/15550 |
|---|---|
| FullText URL | Mem_Sch_Eng_OU_1_78.pdf |
| Author | Himei Toyoji| Inoue Jyunichi| Fukumori Kooichi| |
| Abstract | The operation, mainly in a steady state, of a half controlled single-phase bridge circuit with a finite inductive load, has been treated analytically. Some operation features of particular bridge circuits are discussed. |
| Publication Title | Memoirs of the School of Engineering, Okayama University |
| Published Date | 1966-03-31 |
| Volume | volume1 |
| Issue | issue1 |
| Start Page | 78 |
| End Page | 83 |
| ISSN | 0475-0071 |
| language | English |
| File Version | publisher |
| NAID | 120002307828 |
