An introduction to the theory and practice of transistors, by J. R. Tillman and F. F. Roberts.

Includes bibliography.

Nanoparticle melting as a Stefan moving boundary problem

The melting of spherical nanoparticles is considered from the perspective of heat flow in a pure material and as a moving boundary (Stefan) problem. The dependence of the melting temperature on both the size of the particle and the interfacial tension is described by the Gibbs-Thomson effect, and the resulting two-phase model is solved numerically using a front-fixing method. Results show that interfacial tension increases the speed of the melting process, and furthermore, the temperature distribution within the solid core of the particle exhibits behaviour that is qualitatively different to that predicted by the classical models without interfacial tension.

Criminal histories of crash and non-crash involved Queensland speeding offenders: Evidence supporting the idea that we drive as we live

Evidence increasingly suggests that our behaviour on the road mirrors our behaviour across other aspects of our life. The idea that we drive as we live, described by Tillman and Hobbs more than 65 years ago when examining off-road behaviours of taxi drivers (1949), is the focus of the current paper. As part of a larger study examining the impact of penalty changes on a large cohort of Queensland speeding offenders, criminal (lifetime) and crash history (10 year period) data for a sub-sample of 1000 offenders were obtained. Based on the ‘drive as we live’ maxim, it was hypothesised that crash-involved speeding offenders would be more likely to have a criminal history than non-crash involved offenders. Overall, only 30% of speeding offenders had a criminal history. However, crash-involved offenders were significantly more likely to have a criminal history (49.4%) than non-crash involved offenders (28.6%), supporting the hypothesis. Furthermore, those deemed ‘most at fault’ in a crash were the group most likely to have at least one criminal offence (52.2%). When compared to the non-crash involved offenders, those deemed ‘not most at fault’ in a crash were also more likely to have had at least one criminal offence (46.5%). Therefore, when compared to non-crash involved speeding offenders, those offenders involved in a crash were more likely to have been convicted of at least one criminal offence, irrespective of whether they were deemed ‘most at fault’ in that crash. Implications for traffic offender management and policing are discussed.

Paspalum vaginatum Swartz, Seashore Paspalum 'SDX-1'

‘SDX-1’ originated as an open-pollinated chance seeding in an old green of ‘Adalayd’ seashore paspalum (US Plant Patent 3939) surrounded by an undefined local ecotype of the same species. ‘SDX-1’ was finer textured and had a denser, more prostrate growth habit than its putative parents which are ‘Adalayd’ (maternal) and an undefined parental genotype growing among the surrounding local ecotype. ‘SDX-1’ was compared with other promising seedlings discovered similarly at the same time, and was selected on the basis of its dwarf growth habit, tolerance of low cutting height, turf density, fine-textured growth, and apparent salt tolerance under field conditions. Breeder: Stewart T Bennett, Paul H Tillman, Michael DePew, Enviro Turf LC, Terkonsha, MI, USA. PBR Certificate Number 3660, Application Number 2006/160, granted 16 December 2008.

Review of California halibut trawl fishery in the California halibut trawl grounds

(Document pdf contains 44 pages)

Information concerning the pink shrimp trawl fishery off northern California

(PDF contains 25 pages.)

Flavian laws, the railway, the newspaper and Loring’s breads

It is abound the research on the formation, rise and failure of the financial and industrial network undertaken by the Loring-Heredia-Larios triangle, bourgeois families who introduced the Industrial Revolution in the south of Andalusia. On the contrary, there are almost nonexistent studies from the perspective of the mentality that sustained their business, social and ethical model in the algid decades of their action (1850-1860). In this paper we propose some hypotheses about the ideological structures of bourgeois group and point out some keys, clues and signs for a future reconstruction of this kind, which so far has not been incardinated that early and failed malaguenan industrial revolution in streams thinking of that time.

Hur når man framgång med småskaliga energibesparingsprojekt? : Nätverk en möjlighet

Föreliggande rapport baseras på ett examensarbete på avancerad nivå inom ämnesområdet företagsekonomi. Bakgrunden är att det i dagsläget finns avancerade system för driftoptimering av energiförbrukning, vilka energibolagen tillämpar i större energisystem i form av exempelvis fjärrvärme. Det har kommit fram ny teknik som billigt möjliggör övervakning av mindre sådana system. Rapportens syfte var att undersöka om ett sådant system kan appliceras i liknande form i småskaliga energibesparingsprojekt. Resultatet av föreliggande rapport är att småskaliga energibesparingsprojekt för kommunala fastigheter kan organiseras genom en generisk nätverksmodell där både kommunala interna resurser och externa resurser kan sammanföras. Nätverket innefattar en kunskapstjänst från ett energibolag/energikonsult. Tjänsten är erbjuden till kunden i syfte att sänka dennes energiförbrukning till en nivå för vad som anses vara rimlig för liknande fastigheter. När förbrukningen har nått en sådan nivå kopplas ett tekniskt mätsystem in för att bevaka energinivån och sända signaler vid avvikelser i energiförbrukning. En lönsamhetsberäkning påvisar i en praktisk tillämpning att projektet kan resultera i att dess initialkostnad återbetalas inom en ettårsperiod. Möjligen kan denna återbetalningsperiod bli något längre vid tillämpningar i andra småskaliga system, men en tydlig lönsamhet är påvisad. Eftersom den relativa ekonomiska fördelen med att bilda denna typ av nätverk för specifika tillämpningar är så tydlig, finns det goda möjligheter till snabb spridning av nätverksmodellen. Dock har verifieringen av affärsmodellen genom tillämpning av energieffektiviseringsåtgärderna och uppföljning inte genomförts på grund av examensarbetenas tidsbegränsning.

Interview with Anthony DiGiorgio

In his interview with Daniel Lee, Anthony DiGiorgio recollects the impact Hurricane Hugo had on Winthrop University and the Rock Hill Community. DiGiorgio discusses weather reports leading up to the hurricane, his personal experience with the storm, and the aftermath of Hugo on campus. DiGiorgio shares the ways in which Winthrop University assisted the community and its faculty and staff. This interview was conducted for inclusion into the Louise Pettus Archives and Special Collections Oral History Program.

Dixie Music Score - Accession 1398 - M690 (746)

This collection consists of an autographed copy of Herman F. Arnold’s “Dixie”. The music scale is inscribed with “At the request of Miss Minnie Parker the copy of Dixie is presented to Winthrop College [in 1923] by Prof. Herman F. Arnold + the score in 159 of + who wrote Dixie and was made the war tune of the south at the inauguration of Jefferson Davis Feb. 18th 1861 at Montgomery, Ala.” There is also a note stating that this score is “One of the Four Autograph Copies of the Score of Dixie.” Minnie Barker was curator of the Winthrop museum and the music score was displayed there until Tillman Science Building was razed in 1962 which housed the museum.

Dixie Music Score Collection - Accession 268 - M114 (146)

The “Dixie” Music Score Collection consists of two photographs of one of the four original autographed copies of the musical score Dixie which was presented to Winthrop College in 1923 by Professor Herman F. Arnold and a photograph of Professor Herman F. Arnold. The Dixie Score is inscribed "At the request of Miss Minnie Barker the copy of Dixie is presented to Winthrop College by Prof. Herman F. Arnold who wrote Dixie and was made the war tune of the south at the inauguration of Jefferson Davis Feb 18th 1861 at Montgomery, Ala." Minnie Barker was curator of the Winthrop museum and the music score was displayed there until Tillman Science Building was razed in 1962 which housed the museum. The collection also contains newspaper clippings and correspondence relating to the controversy surrounding Dixie and whether it is racially insensitive.

The whaling issue: Conservation, confusion, and casuistry

Morishita’s “multiple analysis”of the whaling issue [Morishita J. Multiple analysis of the whaling issue: Understanding the dispute by a matrix. Marine Policy 2006;30:802–8] is essentially a restatement of the Government of Japan’s whaling policy, which confuses the issue through selective use of data, unsubstantiated facts, and the vilification of opposing perspectives. Here, we deconstruct the major problems with Morishita’s article and provide an alternative view of the whaling dispute. For many people in this debate, the issue is not that some whales are not abundant, but that the whaling industry cannot be trusted to regulate itself or to honestly assess the status of potentially exploitable populations. This suspicion has its origin in Japan’s poor use of science, its often implausible stock assessments, its insistence that culling is an appropriate way to manage marine mammal populations, and its relatively recent falsification of whaling and fisheries catch data combined with a refusal to accept true transparency in catch and market monitoring. Japanese policy on whaling cannot be viewed in isolation, but is part of a larger framework involving a perceived right to secure unlimited access to global marine resources. Whaling is inextricably tied to the international fisheries agreements on which Japan is strongly dependent; thus, concessions made at the IWC would have potentially serious ramifications in other fora.

Further Scrutiny of Scientific Whaling

Normile reports on Japan's expanded scientific whaling program and notes that "Canada, the United States, the Soviet Union, South Africa, and Japan were among several countries that [conducted scientific whaling] before 1982 [the year the IWC passed the worldwide commercial moratorium on whaling], but in recent years Japan has stood alone." Although true, this statement omits three equally important points.

Chemical Research with Undergraduate Collaborators: Building Cyclic Polymers

Undergraduate research in chemistry provides not only a meaningful experience for the students, but is essential in getting research done. This talk will focus on an ongoing project in my lab: designing large molecules of specific shapes by studying the fundamental reactions. While results will be discussed, the talk will be tailored towards a general audience. I will attempt to highlight the outstanding contributions made by Bucknell students that have worked in my lab.