Advances in Molecular Relaxation Processes最新文献

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Magnetic relaxation in conducting electrolytes 导电电解质中的磁弛豫
Advances in Molecular Relaxation Processes Pub Date : 1975-05-01 DOI: 10.1016/0001-8716(75)80010-1
P.W. Atkins, M.J. Clugston
{"title":"Magnetic relaxation in conducting electrolytes","authors":"P.W. Atkins,&nbsp;M.J. Clugston","doi":"10.1016/0001-8716(75)80010-1","DOIUrl":"10.1016/0001-8716(75)80010-1","url":null,"abstract":"<div><p>The effect of an electric field on the relaxation of a spin-<span><math><mtext>1</mtext><mtext>2</mtext></math></span> nucleus by a paramagnetic ion in fluid solution is calculated. The model relates to a spin—echo experiment, and depends on inter-ionic magnetic dipole—dipole relaxation. It is shown that under optimum conditions, using electric fields of strength ⪅ 10 MV m<sup>±1</sup>, the value of the nuclear <em>T</em><sub>2</sub> may be changed by about 50%.</p></div>","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"7 1","pages":"Pages 1-11"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80010-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"95470080","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: 3
Diffusion and spin relaxation 扩散和自旋弛豫
Advances in Molecular Relaxation Processes Pub Date : 1975-02-01 DOI: 10.1016/0001-8716(75)80003-4
R. Lenk
{"title":"Diffusion and spin relaxation","authors":"R. Lenk","doi":"10.1016/0001-8716(75)80003-4","DOIUrl":"10.1016/0001-8716(75)80003-4","url":null,"abstract":"","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 4","pages":"Pages 287-306"},"PeriodicalIF":0.0,"publicationDate":"1975-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80003-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78002851","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: 14
Contents of volume vi 第六卷内容
Advances in Molecular Relaxation Processes Pub Date : 1975-02-01 DOI: 10.1016/0001-8716(75)80008-3
{"title":"Contents of volume vi","authors":"","doi":"10.1016/0001-8716(75)80008-3","DOIUrl":"https://doi.org/10.1016/0001-8716(75)80008-3","url":null,"abstract":"","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 4","pages":"Pages 331-332"},"PeriodicalIF":0.0,"publicationDate":"1975-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80008-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136718262","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
Ultrasonic relaxation in solutions containing mixed micelles 混合胶束溶液中的超声弛豫
Advances in Molecular Relaxation Processes Pub Date : 1975-02-01 DOI: 10.1016/0001-8716(75)80001-0
P.J. Sams, J.E. Rassing, E. Wyn-Jones
{"title":"Ultrasonic relaxation in solutions containing mixed micelles","authors":"P.J. Sams,&nbsp;J.E. Rassing,&nbsp;E. Wyn-Jones","doi":"10.1016/0001-8716(75)80001-0","DOIUrl":"10.1016/0001-8716(75)80001-0","url":null,"abstract":"","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 4","pages":"Pages 255-265"},"PeriodicalIF":0.0,"publicationDate":"1975-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80001-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74745394","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: 4
Methods available for the measurement of dielectric relaxation in the mega- and gigahertz frequency ranges 可用于测量兆赫和千兆赫频率范围内介电弛豫的方法
Advances in Molecular Relaxation Processes Pub Date : 1975-02-01 DOI: 10.1016/0001-8716(75)80002-2
Z.M.A. Hadi, W.N. Hunter, A.M. North, R.A. Pethrick, M. Towland
{"title":"Methods available for the measurement of dielectric relaxation in the mega- and gigahertz frequency ranges","authors":"Z.M.A. Hadi,&nbsp;W.N. Hunter,&nbsp;A.M. North,&nbsp;R.A. Pethrick,&nbsp;M. Towland","doi":"10.1016/0001-8716(75)80002-2","DOIUrl":"10.1016/0001-8716(75)80002-2","url":null,"abstract":"","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 4","pages":"Pages 267-286"},"PeriodicalIF":0.0,"publicationDate":"1975-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80002-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91293736","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: 6
Practical problems in the deconvolution of dielectric data 介电数据反褶积的实际问题
Advances in Molecular Relaxation Processes Pub Date : 1975-02-01 DOI: 10.1016/0001-8716(75)80005-8
D.L. Misell, R.J. Sheppard
{"title":"Practical problems in the deconvolution of dielectric data","authors":"D.L. Misell,&nbsp;R.J. Sheppard","doi":"10.1016/0001-8716(75)80005-8","DOIUrl":"10.1016/0001-8716(75)80005-8","url":null,"abstract":"","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 4","pages":"Pages 319-329"},"PeriodicalIF":0.0,"publicationDate":"1975-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80005-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82207406","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: 5
Analysis of the ultrasonic relaxation spectra for molecules undergoing conformational changes 构象变化分子的超声弛豫谱分析
Advances in Molecular Relaxation Processes Pub Date : 1975-02-01 DOI: 10.1016/0001-8716(75)80004-6
P.J. Heywood, J.E. Rassing , E. Wyn-Jones
{"title":"Analysis of the ultrasonic relaxation spectra for molecules undergoing conformational changes","authors":"P.J. Heywood,&nbsp;J.E. Rassing ,&nbsp;E. Wyn-Jones","doi":"10.1016/0001-8716(75)80004-6","DOIUrl":"10.1016/0001-8716(75)80004-6","url":null,"abstract":"","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 4","pages":"Pages 307-317"},"PeriodicalIF":0.0,"publicationDate":"1975-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(75)80004-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84037647","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: 5
Contribution à l'étude des mouvements moléculaires du furanne et du thiophéne en phases condensées, par la mesure des largeurs de bandes infrarouges en fonction de la température et de bandes raman à 300 K 通过测量红外波段宽度作为温度的函数和300 K拉曼波段,对furanne和噻吩在缩合相中的分子运动的研究做出了贡献
Advances in Molecular Relaxation Processes Pub Date : 1974-11-01 DOI: 10.1016/0001-8716(74)80002-7
J. Loisel, J.P. Pinan-Lucarre, J. Vincent-Geisse
{"title":"Contribution à l'étude des mouvements moléculaires du furanne et du thiophéne en phases condensées, par la mesure des largeurs de bandes infrarouges en fonction de la température et de bandes raman à 300 K","authors":"J. Loisel,&nbsp;J.P. Pinan-Lucarre,&nbsp;J. Vincent-Geisse","doi":"10.1016/0001-8716(74)80002-7","DOIUrl":"10.1016/0001-8716(74)80002-7","url":null,"abstract":"<div><p>We have studied, using infrared spectroscopy, the variation according to temperature of the widths of about ten fundamental vibration bands of furan and thiophene. This experimental investigation allowed us to determinate an approximation of the vibrational widths for each band. Adding to the above, the low frequency results obtained and those yielded by Raman diffusion measurements at room temperature, it has been possible to give a more accurate evaluation of the vibrational and rotational contributions to the widths of the bands. We have deduced the vector and tensor angular correlation times and their comparison has offered an opportunity to work out a model of molecular diffusion showing the motions of thiophene and furan in the liquid phase.</p></div>","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 3","pages":"Pages 201-215"},"PeriodicalIF":0.0,"publicationDate":"1974-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(74)80002-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77927232","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: 5
The kinetics of self-association of ethanol in ethyl chloride 乙醇在氯乙酯中的自缔合动力学
Advances in Molecular Relaxation Processes Pub Date : 1974-11-01 DOI: 10.1016/0001-8716(74)80004-0
M.M. Emara , G. Atkinson
{"title":"The kinetics of self-association of ethanol in ethyl chloride","authors":"M.M. Emara ,&nbsp;G. Atkinson","doi":"10.1016/0001-8716(74)80004-0","DOIUrl":"10.1016/0001-8716(74)80004-0","url":null,"abstract":"<div><p>Ultrasonic absorption data in ethanol—ethyl chloride solutions reported by Solovyev et al. have been re-examined using a reaction scheme based on ethanol self-association monomer ⇌ dimer ⇌ trimer It is concluded that the excess absorption observed is due primarily to the monomer—dimer process which is assumed to be the faster step. The concentration of trimer formed is small below 0.2 mole fraction ethanol but increases rapidly above this point. The self-association of ethanol in this system is confirmed qualitatively by a PMR study.</p></div>","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 3","pages":"Pages 233-240"},"PeriodicalIF":0.0,"publicationDate":"1974-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(74)80004-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86517214","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
The use of statistical theory in fitting equations to dielectric dispersion data 用统计理论拟合电介质色散数据的方程
Advances in Molecular Relaxation Processes Pub Date : 1974-11-01 DOI: 10.1016/0001-8716(74)80003-9
P.R. Mason, J.B. Hasted, L. Moore
{"title":"The use of statistical theory in fitting equations to dielectric dispersion data","authors":"P.R. Mason,&nbsp;J.B. Hasted,&nbsp;L. Moore","doi":"10.1016/0001-8716(74)80003-9","DOIUrl":"10.1016/0001-8716(74)80003-9","url":null,"abstract":"<div><p>This paper shows how a choice may be made on the basis of statistical theory between alternative dielectric dispersion equations hypothesised to fit sets of experimental data. It also shows how to find the best values and probable ranges of the parameters in the equations.</p><p>It is intended for non-specialists in statistics, and to this end the application of statistical inference to the problem is outlined descriptively, with detailed references to some recent textbooks, so as to enable the necessary background to be rapidly pieced together.</p><p>A computational approach appropriate to dielectric dispersion equations, and some features of programs devised to implement it for the Debye and the Cole—Cole equations are described.</p><p>The best fit parameters and confidence intervals obtained for these two equations when the procedures are applied to an extensive literature collection of data on water are tabulated and discussed.</p><p>It is found that the improvement in fit of the Cole—Cole equation over the Debye throughout the complete temperature range from 0 to 75 °C makes it a near statistical certainty that there is some spread of relaxation times in water over all this temperature range. At 20 °C, for example, the probability of the improvement in fit not being due to chance is greater than 99.5 %, while the 90 % confidence interval for <em>h</em>, the Cole—Cole spread parameter, is 0.008 &lt; <em>h</em> &lt; 0.018.</p></div>","PeriodicalId":100050,"journal":{"name":"Advances in Molecular Relaxation Processes","volume":"6 3","pages":"Pages 217-232"},"PeriodicalIF":0.0,"publicationDate":"1974-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0001-8716(74)80003-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81209623","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: 58
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