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Netsu Sokutei最新文献

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Application of Isothermal Microcalorimetry for Stability Evaluation of Solid Dosage Form 等温微热法在固体剂型稳定性评价中的应用
Netsu Sokutei Pub Date : 2004-03-30 DOI: 10.11311/JSCTA1974.31.80
Y. Yoshihashi, E. Yonemochi, K. Terada
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引用次数: 1
Ice Crystals and Glassy Water in Frozen Polymer Gels 冷冻聚合物凝胶中的冰晶和玻璃水
Netsu Sokutei Pub Date : 2004-03-30 DOI: 10.11311/JSCTA1974.31.87
N. Murase
{"title":"Ice Crystals and Glassy Water in Frozen Polymer Gels","authors":"N. Murase","doi":"10.11311/JSCTA1974.31.87","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.87","url":null,"abstract":"To understand the mechanism of ice crystallization during rewarming observed with a frozen crosslinked dextran gel of a certain density of crosslink, DSC, Raman scattering and X ray diffraction-DSC simultaneous measurements were conducted. It was found, as a result, that size of ice crystals as well as freezing behavior depend on the density of crosslink of the gels. By the study of two-dimensional X ray diffraction-DSC simultaneous measurements, formation of small ice crystals was indicated with the gel where ice crystallization during rewarming is observed. Presence of glassy water was also indicated in the frozen state of the gel by the measurement of Raman scattering. Then, it was clarified that ice crystallization in polymer gels is more or less obstructed by the polymer network, and by its change at the time of freezing. From these results together with the knowledge so far obtained, a conceivable mechanism of ice crystallization during rewarming was discussed.","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"13 1","pages":"87-92"},"PeriodicalIF":0.0,"publicationDate":"2004-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80256701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the structural Relaxation Process of Amorphous Formulation by Isothermal Microcalorimetry 用等温微热法研究非晶配方的结构弛豫过程
Netsu Sokutei Pub Date : 2004-03-30 DOI: 10.11311/JSCTA1974.31.74
K. Kawakami
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引用次数: 5
Evaluation of Molecular State of Medicines by Differential Scanning Calorimetry 差示扫描量热法评价药物分子状态
Netsu Sokutei Pub Date : 2004-03-30 DOI: 10.11311/JSCTA1974.31.69
Y. Tozuka, Keiji. Yamamoto
{"title":"Evaluation of Molecular State of Medicines by Differential Scanning Calorimetry","authors":"Y. Tozuka, Keiji. Yamamoto","doi":"10.11311/JSCTA1974.31.69","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.69","url":null,"abstract":"This review describes the evaluation of molecular state of medicines by using differential scanning calorimetry (DSC). Thermal behavior of amorphous clarithromycin obtained by grinding and spray drying were evaluated. In DSC curves, both broad and sharp peaks for crystallization were observed in 30min ground sample, whereas spray-dried sample showed one broad peak for crystallization. In order to study the physicochemical stability of amorphous cefditoren pivoxil, glass transition accompanying enthalpy relaxation was evaluated for the ground and spray-dried samples by means of modulated-temperature DSC. Glass transition temperature (Tg) and relaxation enthalpy of the ground sample of cefditoren pivoxil were changed by storage for definite intervals at a temperature below Tg, while those of the spray-dried sample indicated an almost constant value by storage. These results suggest that the ground sample was less stable than the spray dried sample. The ground sample might be stabilized by storage below Tg. Thermal behavior of salicylamide in the mixtures with Folded Sheets Mesoporous Materials (FSM)-16 was investigated by DSC. Three kinds of molecular states of salicylamide, i.e., crystalline state, disordered crystalline state for which a broad endothermic peak was observed at a lower temperature, and amorphous state for which no peak on the DSC curves could be observed.","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"108 1","pages":"69-73"},"PeriodicalIF":0.0,"publicationDate":"2004-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75718465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Excess Enthalpies of Some Nitrile Compounds + Methyl Methylthiomethyl Sulfoxide or + Dimethyl Sulfoxide at 298.15K 298.15K时某些丁腈化合物+甲基甲硫甲基亚砜或+二甲基亚砜的超焓
Netsu Sokutei Pub Date : 2004-03-30 DOI: 10.11311/JSCTA1974.31.62
T. Kimura, T. Matsushita, Kenzi Suzuki, S. Takagi
{"title":"Excess Enthalpies of Some Nitrile Compounds + Methyl Methylthiomethyl Sulfoxide or + Dimethyl Sulfoxide at 298.15K","authors":"T. Kimura, T. Matsushita, Kenzi Suzuki, S. Takagi","doi":"10.11311/JSCTA1974.31.62","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.62","url":null,"abstract":"","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"56 1","pages":"62-68"},"PeriodicalIF":0.0,"publicationDate":"2004-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76020315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Accelerated Mixing on a Microfluidic Device 微流控装置上的加速混合
Netsu Sokutei Pub Date : 2004-01-25 DOI: 10.11311/JSCTA1974.31.38
T. Fujii
{"title":"Accelerated Mixing on a Microfluidic Device","authors":"T. Fujii","doi":"10.11311/JSCTA1974.31.38","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.38","url":null,"abstract":"","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"51 1","pages":"38-38"},"PeriodicalIF":0.0,"publicationDate":"2004-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78279651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Water; Dynamics and Reactions 水;动力学与反应
Netsu Sokutei Pub Date : 2004-01-25 DOI: 10.11311/JSCTA1974.31.6
S. Saito, M. Matsumoto, I. Ohmine
{"title":"Water; Dynamics and Reactions","authors":"S. Saito, M. Matsumoto, I. Ohmine","doi":"10.11311/JSCTA1974.31.6","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.6","url":null,"abstract":"","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"174 1","pages":"6-13"},"PeriodicalIF":0.0,"publicationDate":"2004-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73357370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Polyamorphism in Water and the Second Critical Point Hypothesis 水的多变性和第二临界点假说
Netsu Sokutei Pub Date : 2004-01-25 DOI: 10.11311/JSCTA1974.31.23
O. Mishima
{"title":"Polyamorphism in Water and the Second Critical Point Hypothesis","authors":"O. Mishima","doi":"10.11311/JSCTA1974.31.23","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.23","url":null,"abstract":"","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"4 1","pages":"23-28"},"PeriodicalIF":0.0,"publicationDate":"2004-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79371599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The Structure and Properties of Supercritical Water 超临界水的结构与性质
Netsu Sokutei Pub Date : 2004-01-25 DOI: 10.11311/JSCTA1974.31.14
M. Nakahara
{"title":"The Structure and Properties of Supercritical Water","authors":"M. Nakahara","doi":"10.11311/JSCTA1974.31.14","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.14","url":null,"abstract":"@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@ @?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@? @@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@? @?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@?@?e@?@? @?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@?@?@@@?@? @?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@?@?f@? @@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?@@@@@@@?","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"4 1","pages":"14-22"},"PeriodicalIF":0.0,"publicationDate":"2004-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90259666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental Charge Density Distribution by the Maximum Entropy Method 用最大熵法研究实验电荷密度分布
Netsu Sokutei Pub Date : 2004-01-25 DOI: 10.11311/JSCTA1974.31.29
M. Sakata, E. Nishibori, M. Takata
{"title":"Experimental Charge Density Distribution by the Maximum Entropy Method","authors":"M. Sakata, E. Nishibori, M. Takata","doi":"10.11311/JSCTA1974.31.29","DOIUrl":"https://doi.org/10.11311/JSCTA1974.31.29","url":null,"abstract":"The accurate charge density studies by the Maximum Entropy Method (MEM) utilizing X-ray diffraction is outlined with some examples. The basic concept of the method is stated in some details. In addition, some experimental charge densities are given to demonstrate the usefulness of the method, such as endohedral metallofullerenes, metal hydride and intermetallic compounds. In La2@C80 metallofullerene case, the extraordinary charge density distribution is revealed, that is two La atoms form pentagonal dodecahedron charge density due to the hopping motion inside fullerene cage. In MgH2 metal hydride case, charge density peaks of hydrogen atoms are clearly found in MEM charge density map, whereas no such charge density peaks are found in direct Fourier charge density map.","PeriodicalId":19096,"journal":{"name":"Netsu Sokutei","volume":"253 1","pages":"29-36"},"PeriodicalIF":0.0,"publicationDate":"2004-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73515351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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