The optical properties of rare earth metals
Thesis
Cleyet, B. The optical properties of rare earth metals. https://keele-repository.worktribe.com/output/412934

Ellipsometric measurements at the film-substrate interface of the optical constants of five lanthanide metals, (Nd, Gd, Tb, Dy and Yb), have been made within 0.5 and 5.5eV. General agreement was found with theoretically predicted conductivity from A.... Read More about The optical properties of rare earth metals.

The fracture of filled epoxy resins
Thesis
Lilley, J. The fracture of filled epoxy resins. https://keele-repository.worktribe.com/output/412946

The useful structural materials are those that are both strong and tough. The "toughness" of a given material is characterised by its fracture energy which is refined as the total work expended in propagating the crack so as to produce unit area of n... Read More about The fracture of filled epoxy resins.

The construction and characteristics of an ammonia beam maser employing a fabry-perot cavity
Thesis
Sealy Smart, G. D. The construction and characteristics of an ammonia beam maser employing a fabry-perot cavity. https://keele-repository.worktribe.com/output/412960

The construction of an ammonia molecular beam maser employing an open resonator is described. The operation of this maser as an amplifier enables the effects of mode degeneracy in the resonator to be examined in a controlled manner. Its operation abo... Read More about The construction and characteristics of an ammonia beam maser employing a fabry-perot cavity.

Slow crack propagation in glass
Thesis
Weidmann, G. Slow crack propagation in glass. https://keele-repository.worktribe.com/output/412961

Slow crack propagation in glass is examined in a variety of environments using the double-torsion technique. The results are interpreted in terms of a limited plasticity fracture criterion and the time dependence of the yield stress.

Spectroscopic studies of some haemoglobin derivatives
Thesis
Gray, K. Spectroscopic studies of some haemoglobin derivatives. https://keele-repository.worktribe.com/output/412982

This thesis describes a study of the magnetic and optical properties of human haemoglobin and certain of its derivatives. The techniques of electron spin resonance spectroscopy and optical spectrophotometry at low temperatures are used.
An introduct... Read More about Spectroscopic studies of some haemoglobin derivatives.

Coupled molecule-radiation field effects in an ammonia beam maser
Thesis
Lefrere, P. R. Coupled molecule-radiation field effects in an ammonia beam maser. https://keele-repository.worktribe.com/output/413024

Details are given of a number of phenomena which have been observed in an advanced ammonia beam maser. These include cooperative effects arising during the build-up of oscillations, regenerative nutation, pulling and quenching of oscillations, induce... Read More about Coupled molecule-radiation field effects in an ammonia beam maser.

Magnetic resonance studies of paramagnetic centres in oxide crystals
Thesis
McGeehin, P. Magnetic resonance studies of paramagnetic centres in oxide crystals. https://keele-repository.worktribe.com/output/413027

The results reported in this thesis were obtained using Electron Paramagnetic Resonance. Studies were made of previously neutron irradiated crystals of CaWO4 and CaO, and of the system CaO : Gd3+.

Fracture surface zones and crack-branching in some brittle plastics
Thesis
McQullin, B. R. Fracture surface zones and crack-branching in some brittle plastics. https://keele-repository.worktribe.com/output/413244

The phenomenon of crack-branching is examined. Other, pre-branching, fracture surface zones which arise on the tensile fracture surfaces of polymethylmethacrylate, polystyrene, and an epoxy resin are then described, and an attempt is made to account... Read More about Fracture surface zones and crack-branching in some brittle plastics.

Electron stimulated electron emission from solid surfaces
Thesis
Wright, B. Electron stimulated electron emission from solid surfaces. https://keele-repository.worktribe.com/output/413250

The topic of electron stimulated secondary electron emission is introduced in relation to studies in surface physics. In addition, some of the more recent literature in this subject is reviewed and critically appraised.
An apparatus for high resolut... Read More about Electron stimulated electron emission from solid surfaces.

Construction and investigation of an atomic hydrogen beam maser
Thesis
Lightfoot, H. W. Construction and investigation of an atomic hydrogen beam maser. https://keele-repository.worktribe.com/output/413502

Details are given of the design and construction of an atomic hydrogen beam maser. The static and dynamic properties of the maser are investigated and discussed. In particular, various .methods of oscillation amplitude transient production are studie... Read More about Construction and investigation of an atomic hydrogen beam maser.

Design, construction and investigation of an ammonia beam maser operated under conditions of strong oscillation
Thesis
Maroof, A. Design, construction and investigation of an ammonia beam maser operated under conditions of strong oscillation. https://keele-repository.worktribe.com/output/413518

In this thesis, the principle, construction and operation of an ammonia beam maser oscillator of advanced design are described.
The maser discussed is characterized by the production of an intense molecular beam with a nozzle-skimmer gas source comb... Read More about Design, construction and investigation of an ammonia beam maser operated under conditions of strong oscillation.

The effects of mechanical tension and the steffimycin antibiotics on D.N.A. conformation
Thesis
Blakeley, P. J. The effects of mechanical tension and the steffimycin antibiotics on D.N.A. conformation. https://keele-repository.worktribe.com/output/413531

The conditions necessary to produce stable specimens of D.N.A. under mechanical tension were investigated. This involved the examination of the sodium chloride content of D.N.A. fibres and a study of the relative humidity range within which the stret... Read More about The effects of mechanical tension and the steffimycin antibiotics on D.N.A. conformation.

Optical and x-ray diffraction studies of polynucleotides and their interaction with drugs
Thesis
Porumb, H. Optical and x-ray diffraction studies of polynucleotides and their interaction with drugs. https://keele-repository.worktribe.com/output/413546

The interactions in solution and the solid state oT the antibiotic drugs ethidium bromide, adriamvcin and daunomycin with deoxyribonucleic acid have been investigated with the aim of understanding at a molecular level the basis of their chemotherapeu... Read More about Optical and x-ray diffraction studies of polynucleotides and their interaction with drugs.

An electron spin resonance study of drug binding to nucleic acids
Thesis
Porumb, T. An electron spin resonance study of drug binding to nucleic acids. https://keele-repository.worktribe.com/output/413547

The thesis presents a study of the interaction of paramagnetic derivatives of drugs with the nucleic acids, carried out using the electron spin resonance (ESR) technique. The general principles of ESR (particularly those concerned with the free radic... Read More about An electron spin resonance study of drug binding to nucleic acids.

Auger electron and characteristic energy loss spectroscopy of selected metals, semi-metals and compounds
Thesis
Singh, S. Auger electron and characteristic energy loss spectroscopy of selected metals, semi-metals and compounds. https://keele-repository.worktribe.com/output/413549

The topics of interest in surface science are introduced together with some of the experimental techniques used in their investigation. In particular the techniques of Auger Electron Spectroscopy (A.E.S.) and Characteristic Energy Loss Spectroscopy (... Read More about Auger electron and characteristic energy loss spectroscopy of selected metals, semi-metals and compounds.

Investigations of carbon fibres and their precursor materials by E.S.R. and related techniques
Thesis
Cooper, E. G. Investigations of carbon fibres and their precursor materials by E.S.R. and related techniques. https://keele-repository.worktribe.com/output/413617

The desirable mechanical properties that have lead to the manufacture of carbon fibre laminates for aerospace applications are developed in fibre heat treated in excess of 1000°C. The research group at Keele made an exhaustive study of these high tem... Read More about Investigations of carbon fibres and their precursor materials by E.S.R. and related techniques.

Studies on DNA polymorphism
Thesis
Goodwin, D. C. Studies on DNA polymorphism. https://keele-repository.worktribe.com/output/413621

Possible variations in the secondary structure and the A - B transition in DNA's of varying primary base sequence and composition have been studied by the techniques of X ray diffraction and molecular model building. The DNA's studied are from both b... Read More about Studies on DNA polymorphism.

Theoretical investigation of variable infra-red emission by cosmic dust sources
Thesis
Bode, M. F. Theoretical investigation of variable infra-red emission by cosmic dust sources. https://keele-repository.worktribe.com/output/413682

Light travel time considerations are applied to the development of the infra-red flux from a cloud of dust grains surrounding a variable cosmic source of heating radiation. The properties of individual grains are explored, and the equation of radiati... Read More about Theoretical investigation of variable infra-red emission by cosmic dust sources.

Studies of electrostatic space focusing of molecular beams
Thesis
Studies of electrostatic space focusing of molecular beams. https://keele-repository.worktribe.com/output/414590

Double beam ammonia maser operated with an open resonator
Thesis
Double beam ammonia maser operated with an open resonator. https://keele-repository.worktribe.com/output/414591

The construction of a double beam ammonia maser employing an open resonator of advanced design is described. The operation of this maser as an oscillator permitted a strong oscillation to be obtained which has led to the observation of several novel... Read More about Double beam ammonia maser operated with an open resonator.