著者
山本 晋一郎 大元 謙治 井手口 清治 山本 亮輔 三井 康裕 島原 将精 井口 泰孝 大海 庸世 高取 敬子
出版者
一般財団法人 日本消化器病学会
雑誌
日本消化器病学会雑誌 (ISSN:04466586)
巻号頁・発行日
vol.91, no.7, pp.1205-1209, 1994 (Released:2008-02-26)
参考文献数
10

こむら返りを伴う肝硬変患者35例にタウリン1日3g,4週間投与を行った.症状の軽快は22例(62.9%)に認められた.8例にタウリン投与前後の血中タウリン濃度を測定した.投与前血中タウリン濃度は54.1±20.7nmol/mlに対し,投与4週後は125.1±59.1nmol/mlと前値の2.3倍となり,有意の増加が認められた.血中タウリン濃度の増加に伴い症状は軽快し,両者の間に一定の相関が示唆された.こむら返りを伴わない肝硬変10例における血中タウリン濃度は81.0±16.7nmol/mlと,こむら返りを伴う肝硬変患者に比して有意の高値を示した.タウリン投与後経時的に血中タウリン濃度を測定しえた例で,血中タウリン濃度は投与1週目にピークを示し,投与中前値の2~5倍の濃度に保たれていた.
著者
加藤 周一 井口 泰孝 萬谷 志郎
出版者
社団法人日本鉄鋼協会
雑誌
鐵と鋼 : 日本鐡鋼協會々誌 (ISSN:00211575)
巻号頁・発行日
vol.78, no.2, pp.253-259, 1992-02-01
被引用文献数
1

Deoxidation of liquid iron with barium was studied in the temperature range from 1600 to 1700℃. Barium and oxygen dissolved in liquid iron were brought into equilibrium in presence of pure barium oxide in the lime crucible under the inert gas atmosphere of argon. The equilibrium constant and standard free energy of the deoxidation reaction "BaO(s)=<Ba>___-(%)+O__-(%)" were obtained as follows : logK=-9980/T-1.82 (±0.11) △G°=191000+34.9T(J) (±4 kJ) The temperature dependences of the interaction parameters were expressed by the following equations : e^<Ba>_O=27.1-1.48×10^5/T e^O_<Ba>=233-1.27×10^6/T The standard free energy of solution of barium in liquid iron and the activity coefficient of barium in the infinite dilute liquid iron solution refered to pure barium (γ°_<Ba>) were calculated and discussed.
著者
萬谷 志郎 井口 泰孝 本多 弘 石塚 晴彦
出版者
The Iron and Steel Institute of Japan
雑誌
鉄と鋼 (ISSN:00211575)
巻号頁・発行日
vol.71, no.7, pp.846-852, 1985-05-01 (Released:2010-01-19)
参考文献数
18
被引用文献数
2 2

The heat of mixing of silica(β-cristobalite) with liquid wustite melted in an iron vessel has been directly measured at 1420°C by the modified isoperibol calorimeter(iso-thermal jacket type). Mixing of solid silica with liquid wustite is an exothermic reaction and the measured heat, ΔHFetO(l)-SiO2(β-cristobalite), is about-900cal/mol at the fayalite composition. Heats of mixing of liquid silica with liquid wustite, ΔHMFetO(l)-SiO2(l), are obtained by the combination of this direct measured results and heat of fusion of SiO2 in the reference. This result is discussed in comparison with the estimated values by the thermochemical data and by the assumption of the regular solution.