10 research outputs found

    Deconstructing Assumptions in A Jury of Her Peers

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    A Jury of Her Peers is truly a small masterpiece. Set in limited rural community, it reaches far back to eons of lost history. From the vivid dramatic scenes and from the heart of a feminine reticence embedded in them, it seems that a desperate cry against injustice toward women echoes. The Minnie Foster who we never meet has an imposing spiritual presence from start to end. Her pitiful silence seems to lament the dark shadow of cruelty and suffering which has overwhelmed of the life of despondent women throughout history. Following her final, desperate attempt to defend herself from being wholly crushed she is subdued by a burden heavier than that from which she had tried to escape. From the rough unsympathetic hands of a husband she is put under the glaring stare of cold uncaring law. What becomes of her remains unknown, just as the lament of her pitiful cry for justice remains unfulfilled

    A Reading of Joseph Conrad's The Tale

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    The Tale is a short story by Joseph Conrad. Typical of a Conrad story it is set at sea. The sea is symbolic of the unconscious and this story may be read as a story of the unconscious. On the outside, it seems simple; a man tells a woman a tale of the commanding officer of a patrol ship who gives false directions to another ship and sends it to its doom. In between the lines of the seemingly simple plot, however, can be read another tale; one which speaks of a human sea deeper than the sea of water; deeper, darker, and infinitely more mysterious. Man has navigated the sea of water but the unfathomed sea of his own being remains, for the most part, undiscovered. This is a sea different from the sea of this world and Conrad sets sail on it by telling a tale from another world. Sailing with Conrad, the reader can look out on the infinite vastness and try to form a picture of the infinite depth of a sea which is not visible to the human eye

    A Reading of Flannery O’Connors “Everything that Rises Must Converge”

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    Everything that rises must converge is a short story which, without the aid of suspense that is often provoked in fiction by actions hanging on a bare thread in a whirling plot of intertwining – and perhaps incredible – events, catches the reader‟s attention until the very last word. The plot of the story could not be any simpler; a young bachelor takes his overweight mother by bus to a „reducing class‟ but before they reach the place the mother changes her mind, heads back home, has a stroke and is left by her helpless son dying or maybe dead as he goes to seek help. But parallel to the plot of events is a “plot" of revelation; as the insignificantly banal happenings take place, an unfolding of character slowly emerges before the reader‟s eyes

    Images of the Female Countenance in Renaissance Literature

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    In her article "The politics of gender" Elaine Hobby gives a clear image of the confusion evoked in modern mentality by the juxtaposition of Renaissance literature and history. The romantic scenes portrayed in the wonderland of Renaissance poetry seem uncompromisable with the bare facts of historical record. As we contemplate the shadows obscuring the male permeated poetic language of the age however, we do discern spots of light illuminating the overall picture. The age has its own logic and its own language and although neither may be wholly appealing to the modern palate, both are, within their own historical framework, unequivocal and self-consciously assertive

    Machine Learning Approaches to predict Intra-Uterine Insemination Success Rate- Application of Artificial Intelligence in Infertility

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    Introduction: Assisted Reproductive Technology (ART) has been widely utilized for infertility management. Despite its low success rate, Intra-Uterine Insemination (IUI) is one of the first alternatives and most important approaches regarding many cases of infertility treatment. Given the numerous influencing factors and limitations associated with time and resources, the development of a reliable model to predict the success rate of ART methods can significantly contribute to decision-making processes. Materials and methods: We reviewed the demographic, clinical, and laboratory data regarding 157 IUI treatment cycles among 124 women using their partner’s sperm from May2017 to June2019. Primary outcome measures were clinical pregnancy and live birth. Some prediction models were constructed and compared to the logistic regression analysis. Results: Woman’s mean age was 30.1 ± 5.2 years and the infertility had a female cause in 24.3% of the cases, male cause in 32.6% of cases, and combined causes in 32.6% of the cases. Concerning the first IUI cycle, the clinical pregnancy rate per cycle was 16.9% (N= 21). Data were prepared according to cross-industry standard process for data mining (CRISP-DM) methodology, and the following models were fitted to the data: J48 Decision Tree, Perceptron Multilayer (MLP) Neural Network, Support Vector Machine (SVM) with radial basis function (RBF) kernel, K-Nearest Neighbors (KNN) with one neighborhood, and Bayesian Network. J48 Decision Tree, with a sensitivity of 95% and specificity of 98%, had the most optimal performance, and the KNN model was the weakest one. Conclusion: To predict the results of IUI as a simple and less invasive therapy for infertile couples, some models were applied based on artificial intelligence and J48 Decision Tree was recommended

    High-Responsivity Thermoelectric Infrared Detectors With Stand-Alone Sub-Micrometer Polysilicon Wires

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    A novel high-responsivity uncooled thermoelectric (TE) infrared (IR) detector is designed, fabricated and characterized. This detector features a single stand-alone polysilicon-based thermocouple (without a supporting membrane) covered by an umbrella-like optical cavity IR absorber. It is proved that the highest responsivity in the developed detectors can be achieved with only one thermocouple. Using a single thermocouple also results in a low resistance detector, which consequently limits the Johnson noise (e.g. less than 30 nv/√Hz in this work). Since the sub-micrometer polysilicon TE wires are the only heat path from the hot junction to the substrate, a superior thermal isolation is achieved. A responsivity of 1800 V W-1 and a detectivity of 2∗ 108 (cm Hz1/2 W-1) are measured from a 20 × 20 μm detector comparable to the performance of detectors used in commercial focal planar arrays [1]. This performance in a compact and manufacturable design elevates the position of thermoelectric IR sensors as a candidate for low-power, high performance and inexpensive focal planar arrays

    Passive wireless temperature sensing with piezoelectric MEMS resonators

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    For the first time, a lateral-extensional piezoelectric MEMS resonator is utilized to enable wireless passive temperature sensing with an accuracy of less than 0.1°C at 1m distance. The high quality factor (2900) and low motional resistance (147ω) of a 990MHz thin-film piezoelectric-on-silicon (TPoS) resonator are exploited to accurately determine the temperature of the subject by monitoring the induced change in the resonance frequency. The resonator is directly connected to an antenna and is excited wirelessly by a pulse-modulated sinusoidal signal. The decaying signal from the resonator is then recorded and the resonance frequency is determined from the frequency spectrum of the resonator\u27s decaying response. The wireless temperature measurement was extended to a 3m distance with an interrogation signal power of 500mW using 5dBi gain antennas

    Thermal Conductivity Characterization Of In-Situ Fabricated Polysilicon Nanowires For Uncooled Thermoelectric Infrared Detectors

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    A microstructure along with a robust fabrication process is developed for measuring the thermal conductivity (K) of nanowires and thin films. The thermal conductivity of a thin-film material plays a significant role in the thermoelectric efficiency of the film and is usually considered the most difficult thermoelectric property to measure. The lower the K, the higher is the thermoelectric efficiency and hence a higher detectivity can be attained if utilized for infrared detection. We have previously shown high responsivity uncooled thermoelectric IR detectors [1] that utilize polysilicon as the thermoelectric material. To further improve the performance of these devices, it is required to understand how the wire dimensions and different deposition parameters affect the thermal conductivity of polysilicon. The nanowires of this work are formed by patterning a thin layer of low-pressure chemical vapor deposited polysilicon using e-beam lithography. Consequently, the common pick-an-place process followed by deposition of metallic contacts is avoided. As a result a significant source of error in calculating the thermal conductivity is eliminated. Additionally, several serpentine nanowires are fabricated between the two thermally-isolated membranes so that a greater amount of heat, comparable to heat loss through the arms, is transported through the nanowires for a more accurate measurement while the serpentine shape of the wires improves their structural integrity. The K of polysilicon nanowires are measured for the first time and it is shown that for nanowires with a cross section of ∼60nmx100nm, the K is ∼3.5 W/m.K (a 10X reduction compared to the bulk value of ∼30W/m.K [2])
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