Recent earnings regulation of the New England Telephone and Telegraph Company.

Thesis (M.B.A.)--Boston Universit

Symmetry Breaking By Massive Fermions Under Sugimoto S-Duality

In this project we investigate the behaviour of strongly coupled gauge theories with massive fermion fields under the S-duality proposed by Sugimoto [1]. In the massless case described by Sugimoto we see that the highly non-trivial dynamics of the fermion fields corresponds directly to the behaviour of a schematic scalar potential in the S-dual theory, which shows very clear global and gauge symmetry breaking as expected in the initial theory. We induce mass terms for the scalar and fermion fields by coupling the underlying string theory to a supergravity background and show that this preserves a subgroup of the global symmetry and lifts the vacuum degeneracy of the scalar potential in the S-dual side. Furthermore, we derive relations between the flux induced fermion masses to the masses induced in the Nambu-Goldstone modes of the S-dual scalar potential in an analogous way to the GMOR relation known from QCD. In this way we demonstrate a formal relation which is consistent with present QCD theory which derives from Sugimoto’s duality, as well as providing a proof of concept for an insightful analytical tool for non-SUSY gauge theories

Industrial Self-Regulation and the Public Interest

As the affluence of the American society grows, a concern about such matters as health, education, and welfare has also become more apparent. Some concern derives from technological breakthroughs which require control, such as the development of aircraft for mass transportation. In other cases, increased recognition of serious threats to public health and safety has led various groups of aroused citizens to advocate governmental control. Today, growing numbers of individuals and organizations believe that the consumer\u27s health and safety are not being adequately protected in at least two areas-cigarettes and automobiles. Thus, the following discussion is directed to the vital issue of whether these two industries can voluntarily advance consumers\u27 interests through the imposition of adequate safety and health standards, or whether widened federal intercession is essential

Maximum Storm Surge Elevations in the Tuktoyaktuk Region of the Canadian Beaufort Sea

Storm surges are a significant concern in the siting and design of structures along the Beaufort Sea coast in that the coastal relief is low and the magnitude of surges in this region is large. Coastal storm surge elevations along the southern Canadian Beaufort Sea coast were documented by surveying log debris lines in the Kugmallit Bay/Tuktoyaktuk region. Careful attention to sire selection and survey technique resulted in estimated errors in surge elevation measurements of less than ±0.3 m. The data indicate a local surge maximum has occurred at Tuktoyaktuk at approximately 2.4 m above mean sea level (MSL); lower maximum surge elevations (2 m above MSL) were documented to the north and west of Tuktoyaktuk. There is no evidence that higher surges have occurred during the last 100 years. A surge that occurred in August 1986 measured approximately 1.6 m above MSL at Tuktoyaktuk and decreased to approximately 1.4 m above MSL 20 km to the north and west of Tuktoyaktuk. These surge elevation data provide a basis for the calibration of numerical models of surge and can be used directly in siting and design analysis of coastal structures.Key words: Beaufort Sea coast, storm surges, Kugmallit Bay, TuktoyaktukMots clés: côte de la mer de Beaufort, houle des tempêtes, baie de Kugmallit, Tuktoyaktu

Organic carbon compounds associated with deep soil carbon stores

Aims Organic carbon has been reported in deep regolithic profiles to depths of tens of metres, but the composition of the carbon compounds is unknown. Methods Residual carbon in the form of non-volatile low molecular weight compounds (LMWC) was characterised in three deep soil profiles to a depth of 19 m under farmland in south-western Australia following extraction with ethyl acetate and analysis by GC/MS. Pyrolysis and off-line thermochemolysis were used to characterise macromolecular organic carbon (MOC) to a depth of 29 m at a fourth site. Results Three compound classes occurred across the three different field locations: (1) terpenes, (2) fatty acids, amides and alcohols, and (3) plant steroids; indicating the influence of input of the past and present vegetation. Compounds related to fatty acids were the predominant residual carbon species in deep soils, and may be derived from plants and microorganisms. Biomarkers such as lignin, polysaccharides, proteins and terpenes at 0–0.1 m implied influences of vegetation, fire events and microorganisms. Pyrolysis found that polysaccharides were distributed mainly from 0 to 0.1 m, while aromatic compounds were consistently detected down to 29 m. Conclusions Carbon was stabilised in the form of aromatic compounds in deep soil, whereas other carbon sources such as cellulose, chitin, and N-containing compounds were confined to the surface soil. LMWC (Z)-docos-13-enamide and bis(6-methylheptyl) phthalate, were the main components throughout the soil profiles representing 53–81% of the LMWC, and were a greater proportion of the organic matter at depths of 18–19 m

The real-time measurement of wear using ultrasonic reflectometry

Ultrasonic reflectometry is commonly used in the fields of non-destructive testing (NDT) for crack detection, wall thickness monitoring and medical imaging. A sound wave is emitted through the material using a piezoelectric transducer. This waveform travels through the host medium at a constant speed and is either partially or fully reflected at an interface. The reflected wave is picked up by the same sensor; the signal is then amplified and digitised. If the speed that sound travels through a host medium is known as well as the time this takes, the thickness of the material can be established using the speed, distance and time relationship. Previous work has concluded that the ultrasonic method is too inaccurate to measure wear due to the errors caused by temperature, vibration and the experimental arrangement. This body of work looks at methods to minimise these errors, particularly the inaccuracies introduced from the change in temperature caused by change of acoustic velocity and the thermal expansion of the material, which can be significant in many applications. Numerous case studies are presented using the technique in both laboratory and industrial environments using low cost retro-fittable sensors and small form electronics