1,822 research outputs found

    Process development for a dispersion strengthened cobalt base alloy Final report, 25 Jun. 1968 - 24 Mar. 1969

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    Flash drying selective reduction processes for oxidative and thermal resistant cobalt alloys for air breathing engine

    Framing Biotechnology: A Comparison of U.S. and British National Newspapers

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    Despite the potential promise of agricultural biotechnology, consumers’ trust and acceptance varies in some parts of the world. To develop a deeper understanding of the differences in news media coverage of agricultural biotechnology in U.S. and British newspapers, a framing analysis study was conducted, focusing on the news coverage of three major national “newspapers of record” during the calendar year 2002: The New York Times, The Washington Post, and The Guardian. No single frame was dominant in U.S. or British national newspaper coverage of agricultural biotechnology in 2002. Some of the prominent frames were contamination of the food supply, human risk, environmental risk, scientific progress, and world hunger. There were more different frames used in The Guardian (concepts as consumer choice, dependency, and politics) than in the U.S. newspapers. Additionally, this study reiterated findings that British news coverage included more editorial coverage of agricultural biotechnology

    New insight on the nucleon structure from recent MINERvA measurement of the antineutrino-proton scattering cross-section

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    We investigate the impact of the new measurement of the antineutrino-proton scattering cross-section from the MINERvA Collaboration on the generalized parton distributions (GPDs), especially of polarized GPDs H~q \widetilde{H}^q . To this aim, we perform some QCD analyses of the MINERvA data in addition to all available data of the proton axial form factors (FFs) FA F_A . We show that the MINERvA data are in a good consistency with the other related experimental data which confirms the universality of GPDs in turn. Our results indicate that the MINERvA data can put new constrains on GPDs, especially H~q \widetilde{H}^q . The present study can be considered as a guideline for performing a new and comprehensive QCD global analysis of GPDs including the MINERvA measurements like as Phys. Rev. D \textbf{107}, 096005 (2023).Comment: 12 Pages, 6 Figures and 2 Table

    Single image example-based super-resolution using cross-scale patch matching and Markov random field modelling

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    Example-based super-resolution has become increasingly popular over the last few years for its ability to overcome the limitations of classical multi-frame approach. In this paper we present a new example-based method that uses the input low-resolution image itself as a search space for high-resolution patches by exploiting self-similarity across different resolution scales. Found examples are combined in a high-resolution image by the means of Markov Random Field modelling that forces their global agreement. Additionally, we apply back-projection and steering kernel regression as post-processing techniques. In this way, we are able to produce sharp and artefact-free results that are comparable or better than standard interpolation and state-of-the-art super-resolution techniques

    Voter Confidence in the Agricultural Industry

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    Social scientists tend to agree that public opinion influences public policy. As the agricultural industry faces increased scrutiny from public officials and citizen advocacy groups, agricultural communication professionals are faced with the challenge of targeting messages that encourage public confidence in the industry. Research-based marketing segmentation may hold the key to effective political marketing for the industry. While some consumer research has been conducted to better understand food purchasing decisions, more is needed to better understand public attitudes toward the larger agricultural industry and to better recognize any segmentation in public opinion. This study’s findings—drawn from the Agriculture Institute of Florida’s 2006 survey, the 2000 United States Census of Population and Housing, and the 2002 United States Department of Agriculture Census of Agriculture—may help guide future industry messages toward the public

    Onion cultivation approach by custom-made outdoor hydroponics: A very first attempt in Bangladesh

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    Onion is one of the most important economic crops in the world for growing, trading and consuming. But its production rate is lower in Bangladesh due to insufficient farmlands and alternative production systems. So, onion cultivation hydroponically would be a potential consideration in Bangladesh. In this experiment, onions were grown in custom-made outdoor hydroponics using ground water of Barishal, Kirtankhola River water and deionized water as treatments to check their performances for future use. Ground water demonstrated best performances and the average yields of ground water were more than half of land based yields. Besides, only plant growth was normal in ground water treatments throughout the experiment. Finally, the authors concluded that onion production is possible hydroponically in Bangladesh and to minimize the need of commercial fertilizers; the ground water of Barishal is recommended

    Adopting an African Standpoint in HCI4D::A Provocation

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    While studies in HCI4D have been advanced by the shift of perspective from developmental studies to a range of other discourses, current analytical concepts for understanding the sociality of society in Africa have arguably led to some misinterpretations of the place of technology. This provocation suggests that an ‘African Standpoint’ based on a combination of various standpoint positionalities and the Wittgensteinian approach of Winch can offer conceptual and analytical sensitivities for articulating social relations, transnational engagements and the conceptualisation of technological innovation. This provides an approach for seeing and accounting for things as they are – right here, right there and right now – and not some idealised conception of an African reality
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