検索結果 1877 件
| 著者 | Sano, Tetsuya| Yamamoto, Hideki| |
|---|---|
| 発行日 | 2003-5 |
| 出版物タイトル | Instrumentation and Measurement Technology Conference |
| 巻 | 1巻 |
| 資料タイプ | 学術雑誌論文 |
| 著者 | Handa, Hisashi| Ninomiya, Akira| Horiuchi, Tadashi| Konishi, Tadataka| Baba, Mitsuru| |
|---|---|
| 発行日 | 2001-10 |
| 出版物タイトル | Systems |
| 巻 | 3巻 |
| 資料タイプ | 学術雑誌論文 |
| 著者 | Sasakura, Mariko| Yamasaki, Susumu| |
|---|---|
| 発行日 | 2004-7 |
| 出版物タイトル | Information Visualisation |
| 資料タイプ | 学術雑誌論文 |
| 著者 | Zeng, Gang| Takatsuka, Shigenobu| |
|---|---|
| 発行日 | 2008-01-01 |
| 出版物タイトル | International Journal of Curriculum Development and Practice |
| 巻 | 10巻 |
| 資料タイプ | 学術雑誌論文 |
| 著者 | 王 巧云| |
|---|---|
| 発行日 | 2010-03-25 |
| 出版物タイトル | |
| 資料タイプ | 学位論文 |
| 著者 | 李 永涛| |
|---|---|
| 発行日 | 2010-03-25 |
| 出版物タイトル | |
| 資料タイプ | 学位論文 |
| 著者 | 岡 典正| |
|---|---|
| 発行日 | 2010-03-25 |
| 出版物タイトル | |
| 資料タイプ | 学位論文 |
| 著者 | 櫻井 淳| |
|---|---|
| 発行日 | 2010-03-25 |
| 出版物タイトル | |
| 資料タイプ | 学位論文 |
| JaLCDOI | 10.18926/21223 |
|---|---|
| タイトル（別表記） | Applications of critical point drying for scanning electron microscopic study of clay minerals |
| フルテキストURL | pitsr_044_001_006.pdf |
| 著者 | 野一色 泰晴| 田崎 和江| |
| 抄録 | The scanning electron microscopic studies of the clay minerals have usually been made on air-dried samples. The air-drying method is, however, not always preferable for H(2)O rich clay minerals such as imogolite because of their strong contraction in the dehydration process. The present writers examined the critical point drying for H(2)O rich clay mineral (imogolite) and proved that this drying method is excellent in preservation of natural surface of the minerals than that of air-drying. Imogolite which examined was separated from Kurayoshi pumice beds. The samples were treated first with OsO(4) solution and then were dehydrated progressively with ethanol. After completing above treatments, the imogolites which sealed in vessel were dried successively at critical point of CO(2). The samples were mounted onto brass stubs and coated first with carbon and then with Au-Pd alloy. The Japan Electron Optics Laboratory Co. scanning electron microscope Model JSM-50A which was installed in the Division of Rehabilitation Medicine in the present Institute was used at the operating conditions: accelerating voltage 25kV, magnifications ranging from 3000 to 40000. The scanning electron micrographs of the air-dried imogolite are shown in plate I, and cry tical point dried ones are in plate II and III. The former shows twig-like shape which indicated the effect of contractility, whereas the latter exhibits softly curled and entangled threads. The diameter of these threads ranges from 280A to 560A. |
| 出版物タイトル | 岡山大学温泉研究所報告 |
| 発行日 | 1975-03-25 |
| 巻 | 44巻 |
| 開始ページ | 1 |
| 終了ページ | 6 |
| ISSN | 0369-7142 |
| 言語 | 日本語 |
| 論文のバージョン | publisher |
| NAID | 120002311009 |
| JaLCDOI | 10.18926/21193 |
|---|---|
| タイトル（別表記） | Some improvements in making of polished thin section |
| フルテキストURL | pitsr_047_049_054.pdf |
| 著者 | 麻田 斉| |
| 抄録 | Making of polished thin section is improved by application of overturn pasting and grinding by rounding wet emery cloth. |
| 出版物タイトル | 岡山大学温泉研究所報告 |
| 発行日 | 1978-03-25 |
| 巻 | 47巻 |
| 開始ページ | 49 |
| 終了ページ | 54 |
| ISSN | 0369-7142 |
| 言語 | 日本語 |
| 論文のバージョン | publisher |
| NAID | 120002311008 |
| JaLCDOI | 10.18926/21176 |
|---|---|
| タイトル（別表記） | Application of the ultra-thin section method for high resolution electron microscopy of clay minerals |
| フルテキストURL | pitsr_048_001_006.pdf |
| 著者 | 田崎 和江| 野一色 泰晴| |
| 抄録 | Clay mineral specimen for electron microscopy have usually been prepared by air-drying of a small drop of the suspensoin on a microgrid. The suspension method is, however, not always preferable for the observation of lattice images of clay minerals because of their preferred orientation in the air-drying process. The present writers proved that the embedding method is excellent in preservation of the nonorientated part of the crystal than that of susp, ension method. The interstratified kaolin/montmorillonite which was collected from clay bed at Itoigawa, Niigata prefecture is dehydrated progressively replacing H(2)O by ethanol, propylene oxide and Epon mixture solution and is lastly embedded in Epon 812. Ultra-thin sections are prepared with an LKB Ultratome, and are examined in a JEM-100C type electron microscope at an accelerating voltage of 100 kV. High resolution electron micrographs show lattice images reflecting irregular layer structures of kaolin and montmorillonite. Clear layer structure and lattice images can be well observed from everywhere of ultra-thin section of clay mineral (Fig. 1). Lattice images of 4.5 and 10A spacings can be observed in Fig. 2. Microstructures show some differences in spacing which emerged from combination of dehydrated montmorillonite and kaolin layers (Fig. 3). |
| 出版物タイトル | 岡山大学温泉研究所報告 |
| 発行日 | 1979-03-25 |
| 巻 | 48巻 |
| 開始ページ | 1 |
| 終了ページ | 6 |
| ISSN | 0369-7142 |
| 言語 | 日本語 |
| 論文のバージョン | publisher |
| NAID | 120002311001 |
| JaLCDOI | 10.18926/21158 |
|---|---|
| タイトル（別表記） | Experimental study of sulfur isotope exchange between S0(4)(2-) and H(2)S (aqueous) at 400℃ and 1000 bars water pressure |
| フルテキストURL | pitsr_050_001_015.pdf |
| 著者 | 鎌田 恵美| 酒井 均| 木島 宣明| |
| 抄録 | Experimental procedures used in this study are the same as those developed by Sakai and Dickson (1978). 0.005 M Na(2)S(2)O(3) solutions were heated to 400℃ under 1000 bar water pressure in a gold bag of Dickson gold-bag equipment (Fig. 1). At an elevated temperature Na(2)S(2)O(3) quickly and completely decomposed into 1:1 mixture of SO(4)(2-) and H(2)S (eq. (1)) and subsequent isotope exchange (eq. (2)) was monitored by consecutively withdrawing aliquots of solution for chemical and isotopic analyses at desired time intervals. For the preparation of SO(2) for isotope analyses, 2 to 5 mg BaSO(4) was thoroughly mixed with silica glass powder of 10 times the BaSO(4) in weight and heated to 1400℃ or so in sealed, evacuated silica glass tubings (see Fig. 2 and equation (4)). The technique is a modification of Holt and Engelkemeir (1971). The (18)O/(16)O ratios of SO(2) thus formed stayed constant by exchange with silica glass powder (Fig. 3). Numerical data of the three runs performed in this study are summarized in Tables 1 to 3. In runs 2 and 3, a small aliquot of (34)S- enriched H(2)SO(4) was added into the starting solution and thus equilibrium was approached from above the quilibrium value (see Fig. 4). When isotope exchange occurs between two molecules, X and Y, the reaction rate, r, is related to the extent of exchange, F, at given time, t, by equation (17), where X and Y indicate concentrations of given species, α(e), α(o) and α denote the fractionation factor at equilibrium, at time t=0 and at an arbitrary time t, and F = (α - α(o))/(α(e) - α(0)) or the extent of isotope exchange. Assuming the exchange rate is of the first order with respect to both X and Y and to the β'th power of hydrogen ion activity, a(H)(+), eq. (17) reduces to eq. (19), where k(1) denotes the rate constant. If X, Y and pH of solution stayed constant during the run, the half-time, t(1/2), of the exchange reaction can be obtained graphically as shown in Fig. 5. The t(1/2) for runs 1, 2, and 3 are determined to be 5.8, 5.5 and 6.1 hrs, respectively. Introducing F=0.5 and t=t(1/2) into eq. (19), we obtain eq. (20) which is graphically shown in Fig. 6 using the data by the present work and those by Sakai and Dickson(1978). The numerical values of log k(1) + 0.16 may be obtained by extrapolating the lines to pH=0 and, from these values, the rate constant, k(1) , may be calculated for temperatures of 300° and 400℃. From these two values of k(1) and from the Arrhenius plot, the activation energy of the exchange reaction was calculated to be 22 kcal/mole, a much smaller value than 55 kcal/mole obtained by Igumnov (1977). The value of β is found to be 0.29 at 300℃ and 0.075 at 400℃, although the physico-chemical nature of β is not clear to the present authors. Using these values, eq. (24), where C is a constant, is derived which would enable us to calculate the t(1/2) of any system of known ΣS and pH. However, as we do not know yet how β varies with different systems, eq. (24) is applicable only to limited systems in which temperature, total sulfur contents and pH are similar to those of the present study. Fig. 7 illustrates how t(1/2) varies with pH and total sulfur content at 300° and 400℃ and predicts t(1/2) for some solutions obtainable by hydrothermal reactions of seawater with various igneous rocks. The average equilibrium fractionation factor at 400℃ obtained by this study is 1.0153, in good accord with 1.0151 given by Igumnov et al. (1977). Theoretical fractionation factors between SO(4)(2-) and H(2)S have been calculated by Sakai (1968) , who gives too high values compared to the experimental data obtained by this and other researchers (Fig. 9). In the present study, the reduced partition function ratio (R.P.F.R.) of SO(4)(2-) was recalculated using two sets of the vibrational frequencies of SO(4)(2-) (shown in Table 5) and the valence force fields of Heath and Linnett (1947), which reproduces the observed frequencies of SO(4)(2-) better than Urey-Bradley force field used by Sakai (1968). The results of new calculation are shown in Table 6. This table also includes the R.P.F.R. of H(2)S which was calculated by Thode et al. (1971). Using these new R.P.F.R. of SO(4)(2-) and H(2)S, the fractionation factors between SO(4)(2-) and H(2)S were calculated and are listed in the last column of Table 6 and plotted in Fig. 9. Fig. 9 indicates that the new calculation gives values more shifted from the experimental values than before. The major sulfate ions in our solution at 300° and 400℃ exist as NaSO(4)(-) (Sakai and Dickson, 1978; see also Table 4 of this paper) and, therefore, the measured fractionation factors are those between NaSO(4)(-) and H(2)S. The discrepancy between the theory and experiments may, at least, be partially explained by this fact, although other more important reasons, which are not known to us at the moment, may also exist. |
| 出版物タイトル | 岡山大学温泉研究所報告 |
| 発行日 | 1980-03-25 |
| 巻 | 50巻 |
| 開始ページ | 1 |
| 終了ページ | 15 |
| ISSN | 0369-7142 |
| 言語 | 日本語 |
| 論文のバージョン | publisher |
| NAID | 120002310990 |
| JaLCDOI | 10.18926/21085 |
|---|---|
| タイトル（別表記） | Automatic measurement of oxygen isotope ratio of water samples |
| フルテキストURL | pitsr_056_027_034.pdf |
| 著者 | 千葉 仁| 酒井 均| 安武 正敏| |
| 抄録 | The automatic sample preparation system for oxygen isotope analysis of natural water samples was constructed. The system is essentially a modification of that originally designed by W. Dansgaard in the University of Copenhagen. Sixty water samples of 5 ml each are automatically equilibrated with CO(2) of 30 ml NTP each within 4.5 hours. The equilibrated CO(2) gases are successively measured for their oxygen isotopic ratios by an automatic mas-sspectrometer, VG903. The time required for the measurement of the 60 CO(2) samples is about 15 hours; thus approximately 20 hours are required to complete the isotopic measurements of 60 water samples. The accuracy of the oxygen isotopic analyses is about 0.1%. The result of oxygen isotopic analyses by the automatic preparation system agrees with that of the conventional method within about +0.1%. The results indicate that the automatic preparation system is applicable for the oxygen isotope analysis of natural water samples. |
| 出版物タイトル | 岡山大学温泉研究所報告 |
| 発行日 | 1985-03-30 |
| 巻 | 56巻 |
| 開始ページ | 27 |
| 終了ページ | 34 |
| ISSN | 0369-7142 |
| 言語 | 日本語 |
| 論文のバージョン | publisher |
| NAID | 120002310952 |
| JaLCDOI | 10.18926/21081 |
|---|---|
| タイトル（別表記） | An application of the artificial CO(2) bath for enuresis |
| フルテキストURL | pitsr_056_009_011.pdf |
| 著者 | 古元 順子| 古元 嘉昭| |
| 抄録 | The artificial CO(2) bath was prescribed for two enuretic boys with bladder-sensitive or parasympaticotonic type. A tablet of 50 g, made from sodium bicarbonate and succinic acid, was put in a bath-tub of 150-200 L at 40℃. Each patient was recommended to take a bath with his mother longer than ten minutes, and to mark the presence or the absence of enuresis every day. Outcome results of case 1 on CO(2) bath is shown in tabel 1 and results of case 2 on CO(2) bath is shown in table 3. Both two cases became free from enuresis 7-10 days after the initiation of the artificial CO(2) bathing. Etiological mechanisms of enuresis seem to be multi-factorious, with underlining networks of central- and autonomous nerve systems for the control of sleep and bladder. It is suspected that some improvement of peripheral circulation by CO(2)-bathing leading to keep the body warm may be one of the contributing factors which prolong the intervals of urination, resulting in autonomous normalization, at least, for the cases of bladder-sensitive enuresis, Further case studies are needed to support this assumption. |
| 出版物タイトル | 岡山大学温泉研究所報告 |
| 発行日 | 1985-03-30 |
| 巻 | 56巻 |
| 開始ページ | 9 |
| 終了ページ | 11 |
| ISSN | 0369-7142 |
| 言語 | 日本語 |
| 論文のバージョン | publisher |
| NAID | 120002310958 |
| 著者 | 大野木 宏| 伊永 隆史| 田中 雅邦| 篠田 純男| |
|---|---|
| 発行日 | 1992-12-15 |
| 出版物タイトル | 環境制御 |
| 巻 | 14巻 |
| 資料タイプ | 紀要論文 |
| 著者 | 津田 敏秀| 三野 善央| 松岡 宏明| 谷原 真一| 馬場園 明| 山本 英二| |
|---|---|
| 発行日 | 1995-12-20 |
| 出版物タイトル | 環境制御 |
| 巻 | 17巻 |
| 資料タイプ | 紀要論文 |
| 著者 | 柳原 茂| 岩宮 正治| 内山 憲一| 浦野 徹| 倉林 譲| |
|---|---|
| 発行日 | 2000-09 |
| 出版物タイトル | 岡山実験動物研究会報 |
| 巻 | 17巻 |
| 資料タイプ | その他 |
| 著者 | 山下 光治| 三宅 真名| 小野 朋子| 那須 玄明| 重本 雅之| 橋本 晴夫| 増田 礎| 中山 英治| 倉林 譲| |
|---|---|
| 発行日 | 2003-09 |
| 出版物タイトル | 岡山実験動物研究会報 |
| 巻 | 20巻 |
| 資料タイプ | その他 |
| 著者 | 安永 智秀| |
|---|---|
| 発行日 | 2003-09 |
| 出版物タイトル | 岡山実験動物研究会報 |
| 巻 | 20巻 |
| 資料タイプ | その他 |
| 著者 | 鳥居 隆三| |
|---|---|
| 発行日 | 2006-12 |
| 出版物タイトル | 岡山実験動物研究会報 |
| 巻 | 23巻 |
| 資料タイプ | その他 |