Becky Ratajczyk Senior Art Show

https://digitalcommons.snc.edu/artportfolios/1006/thumbnail.jp

Zmiany w procesie zakupowym młodego konsumenta

The consumer purchasing process is still affected by new factors. A young consumer (Generation Y) remains under constant inflence of social media, which includes increasing power of online consumer groups, through which they acquire new knowledge about the market, marketing practices (not always honest), the process of preparing new products (not always in ethical way). It is worth noting that a few years ago this information was considerably more diffiult to access. This knowledge, as well as the increasing exhibition of individual consumption, shared in social media, affect the purchasing behaviour of young people. The article presents changes in the purchasing process of the youngest consumers adult generation, today’s 20- and 30-year-olds. The article is based on the results of qualitative research (the focused group interviews, ethnography of purchasing processes and virtual ethnography) conducted in 2013–2016.Na proces zakupowy konsumenta wciąż oddziałują nowe czynniki. Młody konsument (generacja Y) nieustannie pozostaje pod wpływem działania mediów społecznościowych, w tym coraz silniej for i grup konsumenckich, dzięki którym pozyskuje nową wiedzę na temat: rynku, praktyk marketingowych (nie zawsze uczciwych), procesu przygotowywania nowych produktów (nie zawsze w sposób etyczny) – jeszcze kilka lat temu zdecydowanie trudniej dostępnej. Wiedza ta i coraz powszechniejsze eksponowanie swojej konsumpcji, którą konsument dzieli się w mediach społecznościowych, bardzo wpływają na zachowania zakupowe młodych osób. W artykule zaprezentowane zostały zmiany w procesie zakupowym najmłodszego, dorosłego pokolenia konsumentów, dzisiejszych dwudziesto- i trzydziestolatków. Artykuł opiera się na wynikach badań jakościowych (zogniskowanych wywiadach grupowych, etnografi procesów zakupowych oraz wirtualnej etnografi) prowadzonych w latach 2013–2016

Supersaturated dispersions of rod-like viruses with added attraction

The kinetics of isotropic-nematic (I-N) and nematic-isotropic (N-I) phase transitions in dispersions of rod-like {\it fd}-viruses are studied. Concentration quenches were applied using pressure jumps in combination with polarization microscopy, birefringence and turbidity measurements. The full biphasic region could be accessed, resulting in the construction of a first experimental analogue of the bifurcation diagram. The N-I spinodal points for dispersions of rods with varying concentrations of depletion agents (dextran) were obtained from orientation quenches, using cessation of shear flow in combination with small angle light scattering. We found that the location of the N-I spinodal point is independent of the attraction, which was confirmed by theoretical calculations. Surprisingly, the experiments showed that also the absolute induction time, the critical nucleus and the growth rate are insensitive of the attraction, when the concentration is scaled to the distance to the phase boundaries.Comment: 13 pages, 14 figures. accepted in Phsical Review

Investigation of slanted slots

With the number of wireless devices and demand for information transmitted wirelessly dramatically increasing, being able to develop simple and reliable antennas with large bandwidths is becoming more important. The size of many of these wireless devices can also be small, introducing yet another challenge for antenna designers. Some common types of antennas currently used for such applications include various forms of microstrip antennas. This thesis, however, investigates using a slanted slot to meet these design constraints. In this study, it is shown that the bandwidth of a quarter-wave slot can be enhanced by placing the slot on a slant to the edge of a metallic patch rather than placing it orthogonally to the edge. The work reported in this thesis also shows that not only does the bandwidth for a slanted slot increase, but the behavior of the slot becomes more robust to changes in the size of the metallic plate containing the slot. This same effect is studied with the analogous trapezoidal half-wavelength slot; however, while these benefits are found to still exist for the trapezoidal slot, the bandwidth does not increase as much as for the slanted slot case. The results of this study were distilled into a design procedure and the procedure was evaluated by designing a slanted slot and comparing its measurements with the simulated results. In the end it was shown that slanted slots are able to achieve larger bandwidths while also being more reliable due to their resilience to changing size constraints, all while remaining simple and easy to manufacture

Regional aviation safety organisations: enhancing air transport safety through regional cooperation

Aviation safety is of global concern. Yet 43% of countries worldwide lack the expertise and administrative capacity to ensure effective safety oversight of the aviation activities for which they are responsible under international law. With air traffic predicted to double in the next 15 years and increasing pressure on public administrations budgets, countries are increasingly pooling their resources to improve aviation safety. One of the ways States can achieve regulatory efficiencies and increase safety of air transport is by establishing Regional Aviation Safety Organisations (RASOs). RASOs develop proposals for safety legislation, train safety inspectors, and even investigate aviation accidents or certify aircraft and airlines. Despite the rapid development of RASOs over the last twelve years, there has been surprisingly little legal research on this new phenomenon. In this doctoral dissertation Mikołaj Ratajczyk conducts comparative case studies of RASOs and analyses their place in the international legal framework for aviation safety. He concludes that while the majority of present RASOs have advisory and support functions only, there is a clear trend for such organisations to evolve into bodies with regulatory powers which in the future could collaborate with the International Civil Aviation Organisation (ICAO) to form a Global Aviation Safety Oversight Network (GASON). Such a development, the author concludes, would enable a more uniform and effective implementation of the international regulatory framework for aviation safetyThe progression of EU law: Accommodating change and upholding value