1,662 research outputs found

    Getting Forgotten. Film Critic Elisabeth de Roos and Dutch Culture Before World War II

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    Elisabeth de Roos (1903-1981) was one of the most intelligent Dutch film critics of her time. From 1925 onwards, she published on French cinema and she contributed regularly to the Filmliga journal. Franse filmkunst [french cinema] was published in 1931. She lost her professional fascination with cinema with the coming of sound. In 1932 she married writer Eddy du Perron. “How could de Roos’s work be so entirely forgotten?” and “How exactly has this process of disappearance and oblivion taken place?” were the leading questions. Elisabeth’s life and reputation can be studied through the biographies and correspondence of her husband and his best friend Menno ter Braak. They were aware of their strategic positions, while de Roos did not care about her position in the literary landscape. Though, her personal relationship to cinema and literature and her search for authorship is very consistent, but De Roos never felt the urge to anthologize or reflect on her own writings. She dedicated herself to du Perron’s work and to raising their son. Financial troubles forced her to write as much as she could for money. Not even those women who were so active in history are granted an ongoing renown

    Development of an ecological decision support system

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    THE DEVELOPMENT OF A SIMPLIFIED ALKALINITY TITRATION ANALYZER

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    Alkalinity is the acid neutralizing capacity for water, meaning alkalinity measures how sensitive an aquatic system is to acidic inputs. Currently, there are various measuring systems for alkalinity available including chemical test kits, potentiometric techniques, and colorimetric methods. Commercially available products lack the ease of use combined with precision and accuracy desired for on-line process and environmental monitoring. The goal of this project is to develop a simplified alkalinity titration analyzer, called the easyTMT, to measure alkalinity with precision and accuracy comparable to the best conventional methods. The system, under development, uses the Tracer Monitored Titration (TMT) technique. TMT is a method that uses a tracer (in this case, a pH sensitive indicator) in the sample or the titrant. Tracking the tracer concentration eliminates the need to measure volumes of the titrant or the sample, allowing for the use of more economical hardware (e.g. simple pumps). The easyTMT has potential applications in industrial and environmental monitoring, as well as many other applications, by removing many potential sources of human error without sacrificing the accuracy and precision of lab-based techniques. As the easyTMT was developed, problems were encountered that required various experiments to be run including buffer studies, dilution factor studies, and changing system materials. These studies pointed to an adsorption and indicator precipitation problem. Major findings include needing to determine a set volume of titrant to use in titrations and to use only HPFA tubing for static mixing, unless using a surfactant with PEEK tubing as adsorption continued to show up as a concern. The system was applied to acid-base titrations in this project, but could be able to be applied to other titration applications

    Crossing Numbers of Beyond-Planar Graphs

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    Pilot-Supply Sustainability—Standards, Outreach, and Mentoring

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    In recent years, aviation universities in the United States have been experiencing strong student interest in flight training and career as a professional pilot, while some regional airlines and flight operators have experienced challenges in meeting the hiring demand for pilots. In many cases, these challenges have been resolved by improving the work/life balance, pay, and career-progression aspects provided by the airline. The industry must be proactive in attracting people to the career. In addition, the pilot-supply chain should be viewed as an ecosystem, one that must maintain the capability and capacity to train and certify future generations of pilots. The first officer qualification standards provide essential structure within the pilot ecosystem by providing a continuous stream of flight instructors to train the next generation of pilots. Without the current rules, most pilots may never flight instruct and instead go straight to an airline pilot position. Equally important is the professional, practical, and academic development of pilots as they begin and progress in their careers. Mentoring can be leveraged to increase the retention of flight students, improve the quality of training, and increase pilot performance within the airline environment. To maintain the pilot supply needed into the future, the ecosystem of flight training and entry-level flying must be maintained, and the industry must be cognizant of changes that may upset the equilibrium that exists today. This includes making the career attractive through improving working conditions, promoting the profession, and mentoring through all phases of a pilot’s career

    The Weathering Hypothesis: Sociocultural and Biological Factors of Postpartum Depression Among Black Women

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    Black women experience higher rates of PPD than their White counterparts. To date, no one has linked experiences of racism and discrimination, the impacts racism and discrimination have on allostatic load, and the subsequent process of weathering to the elevated levels of PPD in Black women. However, the Weathering Hypothesis can be utilized to explain the higher rates of PPD seen in Black women via the interactions between sociocultural factors and biological factors

    The development and evaluation of a diagnostic instrumental music survey for use in the recruitment of elementary instrumental music students.

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    This research suggests that the researcher designed Instrumental Music Survey (IMS, 1999) can be a valid predictor of student success in instrumental music. This study completed in the Omaha Public School District, Omaha, Nebraska, used subjects whose background varied in terms socioeconomic, race, urban, and suburban areas. The first hypothesis examined the reliability of the IMS. Using the Spearman Brown reliability formula, reliability of the IMS was found to be .734. Using the Watkins-Farnum Performance Scale (WFPS, 1954) as a measure of the student\u27s success in instrumental music, the researcher found that a good correlation exists between the students\u27 scores on the IMS and WFPS. This correlation coefficient was found using Pearson correlation coefficient, and determined the coefficient was .427. An ancillary hypothesis analyzed if previous instrumental music experience is a good predictor of success in another area of instrumental music. Using an effect size formula, the researcher found that students with previous instrumental music would perform better than 66% of students without instrumental music experience. Factors exist which may prevent the student\u27s success on an instrument such as; 1) the student\u27s physical characteristics are incorrect for the instrument, 2) parental support for the student\u27s success in instrumental music, and 3) the student\u27s motivation to become successful in instrumental music
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