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Ionization-Superheating Instability Of A Glow Discharge In Time-Varying Fields And Stabilizing Effect Of A Train Of High-Voltage Pulses, Gi Shapiro Jan 1978

Ionization-Superheating Instability Of A Glow Discharge In Time-Varying Fields And Stabilizing Effect Of A Train Of High-Voltage Pulses, Gi Shapiro

School of Biological and Marine Sciences

No abstract provided.

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On Stabilisation Of Adhesive Instability Of Glow Discharge By A Rotating Electric Field., Gi Shapiro Jan 1978

On Stabilisation Of Adhesive Instability Of Glow Discharge By A Rotating Electric Field., Gi Shapiro

School of Biological and Marine Sciences

No abstract provided.

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Depression Of Ionization Instability In An Alternating Electric Field, Gi Shapiro Jan 1978

Depression Of Ionization Instability In An Alternating Electric Field, Gi Shapiro

School of Biological and Marine Sciences

No abstract provided.

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Rheological Characterization Of Suspensions, Susan Anne Bullivant Jan 1977

Rheological Characterization Of Suspensions, Susan Anne Bullivant

School of Engineering, Computing and Mathematics Theses

The aim of this research is to obtain a meaningful rheological characterization of deflocculated china clay suspensions. It is generally true that in the study of suspensions relatively little successful work has been carried out on the flow properties of highly concentrated suspensions as compared with dilute suspensions; it was decided therefore that the work, presented in this thesis, should be confined to the study of higher concentration suspensions. A survey is given of previous work on the rheological characterization of suspensions and the reasons for choosing the clay suspensions in particular, are discussed. Since a knowledge of the microscopic …

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Study Of Taylor Instabilities And Turbulence In Lubricating Films, Michael Geoffrey Short Jan 1977

Study Of Taylor Instabilities And Turbulence In Lubricating Films, Michael Geoffrey Short

School of Engineering, Computing and Mathematics Theses

The development of the wavy mode of Taylor vortices in the flow between a rotating inner cylinder and a stationary outer cylinder has been investigated by visual observations using a stroboscopic technique and by inner cylinder torque measurements. Radius ratios of 0.874, 0.911, 0.950 and 0.975 have been tested for the concentric and eccentric cylinder cases. The stability of wavy mode flow has been found to decrease with increasing radius ratio and/or increasing eccentricity. Observations of the flow suggested that the wavy mode can be classified into three regimes called, respectively, the primary, transitional and secondary modes. The three regimes …

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British Attitudes Towards The Italian Primitives, 1815-1865, With Special Reference To The Mid Nineteenth-Century Fashion, Robyn Cooper Jan 1976

British Attitudes Towards The Italian Primitives, 1815-1865, With Special Reference To The Mid Nineteenth-Century Fashion, Robyn Cooper

Other Faculty of Arts, Humanities and Business Theses

This thesis is about the fashion for the Primitives in Britain in the middle decades of the nineteenth century. By Primitives I mean the painters of the thirteenth, fourteenth and fifteenth centuries. I have concentrated on Italian artists. However, since interest extended to earlier Netherlandish and German painters, some mention will be made of attitudes to them also. In my analysis of this fashion I have chosen to treat as self-contained units its various manifestations . Therefore, a short sketch of the course of the fashion might be useful here.

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Electron Spin Resonance Studies Of Aluminosilicate Minerals And Associated Organic Substances, Peter L. Hall Jan 1972

Electron Spin Resonance Studies Of Aluminosilicate Minerals And Associated Organic Substances, Peter L. Hall

School of Geography, Earth and Environmental Sciences Theses

This thesis is divided into seven chapters. The first chapter describes the basic principles of electron spin resonance (ESR) spectroscopy. In the second chapter, relevant previous studies of clay minerals are reviewed, including a summary of previous studies by optical, Mössbauer and ESR spectroscopy of iron and other transition metal impurities in clay minerals. The third chapter reviews previous ESR studies of Fe³˖ ions in aluminosilicate minerals and other materials. The fourth chapter reviews the nature and properties of organic substances associated with natural clays and carbonaceous materials, emphasis being placed on the occurrence of organic free radicals and transition …

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