343 research outputs found

    The Lightning Strike

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    Of Love, Of Money, Of Unquestionable Practicality: The Choices of F. Scott Fitzgerald’s Early Heroines

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    Between 1920-1925, F. Scott Fitzgerald explored the choices of young, affluent women, particularly in regards to marriage. His fascination with this topic began with Rosalind in This Side of Paradise, and her practical yet immature decision. Through his early short stories, Fitzgerald explores different motives behind his heroines’ decisions, varying points-of-view, and the consequences of his heroines’ actions. Fitzgerald’s fascination with these characters culminates in The Great Gatsby with his most complex characters and situations

    Working Women and Motherhood: Failures of the Weimar Republic’s Family Policies

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    This paper examines the Weimar Republic’s reaction to the population crisis after the First World War. The Reich government created welfare policies to boost the birth rate and decrease the infant mortality rate. These policies were often unrealistic or too exclusive for working-class women. As a result, they did not greatly impact the lives of working women or their procreation. The Weimar policies, therefore, failed in its efforts to increase the birth rate among working-class women

    “Long Live Freedom!”: Moral Motives Behind the White Rose Resistance

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    This paper examines the motives behind the White Rose resistance group. Active from 1942-1943, the White Rose consisted primarily of university students who produced anti-Nazi leaflets. By examining documents such as letters, diaries, the leaflets themselves, and Gestapo interrogations, the motives of the group are evident. The members resisted the Nazi regime for moral and ideological reasons, specifically in relation to the failures World War II, atrocities committed by Nazis in Poland and the Eastern Front, the restriction on personal rights, and an inner duty to oppose the regime

    Dynamic stereo microscopy for studying particle sedimentation

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    We demonstrate a new method for measuring the sedimentation of a single colloidal bead by using a combination of optical tweezers and a stereo microscope based on a spatial light modulator. We use optical tweezers to raise a micron-sized silica bead to a ïŹxed height and then release it to observe its 3D motion while it sediments under gravity. This experimental procedure provides two independent measurements of bead diameter and a measure of FaxĂ©n’s correction, where the motion changes due to presence of the boundary

    A brief version of the implicit positive and negative affect test (IPANAT-18)

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    As self-reports of affect are limited in several regards, an indirect measure of affect, the Implicit Positive and Negative Affect Test (IPANAT; ) has previously been developed and adapted to more than 10 languages (), showing adequate reliability and validity. Based on a sample of 242 Spanish adults (111 males), we evaluate a trimmed 18 items version of the IPANAT (IPANAT-18). Item reductive procedures consisted in a random selection of the stimuli words used in the IPANAT. Psychometric properties of the IPANAT-18 were evaluated via Confirmatory Factor Analysis. In addition, correlational analyses were used to determine the relationship between the brief and the full version of the IPANAT, and with explicit measures of affect. We replicated a two-factors structure of positive affect versus negative affect and found a good fit for the IPANAT-18 model (CFI = 1; TLI = 1; RMSEA =.00; SRMR =.03). Reliability was adequate (implicit PA, α =.86; implicit NA, α =.77) and the pattern of relationships with explicit affect measures were congruent and consistent with previous findings. Differences between the mean scores of implicit affect assessed with 18 items or 36 items were statistically non-significant, and showed strong correlations (PA, r =.92, p <.01; NA, r =.88, p <.01). In sum, the IPANAT-18 showed satisfactory psychometric properties and constitutes a useful tool for economically measuring affective processes such as in experimental and economical multiple assessment (e.g., daily diary) settings

    Convenient synthesis of energetic polynitro materials including (NO₂)₃CCH₂CH₂NH₃-salts via Michael addition of trinitromethane

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    The nucleophilic Michael addition of nitroform with acrylamide creates a variety of energetic products. Several interesting compounds with a trinitromethyl group were synthesized, among them salts containing the trinitropropylammonium cation, [(NO2)3CCH2CH2NH3]X. Owing to their positive oxygen balance, the suitability of these compounds as potential high-energy dense oxidizers (HEDOs) in energetic formulations was investigated and discussed. Furthermore, numerous important and reactive compounds for the continuing synthesis of molecules with a high oxygen balance are presented. All compounds were fully characterized, including multinuclear NMR spectroscopy, vibrational analysis (IR, Raman), elemental analysis, as well as single crystal X-ray diffraction. Thermal stabilities were studied using differential scanning calorimetry and sensitivity data against friction, impact and electrostatic discharge were collected. The energies of formation were calculated using Gaussian 09 and energetic properties, such as the specific impulse and detonation velocity, were predicted with the EXPLO5 (V6.02) computer code
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