636 research outputs found

    Adhesive System With Superior Drop And Creep Performance

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    This disclosure describes an adhesive system that imparts superior drop and creep performance properties to display screens used in devices. The adhesive system is suitable for devices in which the display screen are not horizontal (parallel to the ground), e.g., smart displays. The adhesive system combines an adhesive that has high drop performance with an adhesive that has superior creep resistance. The adhesive system includes portions of an adhesive liner that utilize the adhesive with high creep resistance and portions of the adhesive liner that utilize the adhesive with good drop performance to bond the display screen to the device

    Research on the Algorithm of Extracting Weak Signals from Radar Images under the Double-layer Rebars Shielding

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    AbstractBasement floor is a component of building structure, which is mainly made of reinforced concrete. The defects threaten the safety of building structures and the use of underground buildings all the time. The main defects in the process of construction are that the pouring thickness of floor can’t reach the design demand or the loose of the base. The thickness of the basement floor, which is made of a double-layer rebars structure and often detected by high frequency radar antennae, is usually 0.4 meters. Steel mesh is highly reflective to radar waves, and is shielded from reflection information of the bottom interface of floor, so that it is too hard to reach the goal of interpreting anomalies of images using conventional approaches. Studies have shown that the modern spectrum has a higher resolution than classical spectrum, so that the algorithm of the expectation value of the modern spectrum. Which constructs profile images of radar modern spectrum by short time-window, has been presented. The spectrum profiles made characters of weak shielded signals prominent, proved the algorithm of modern spectrum profiles, by means of procession, interpretation and application of the double-layer rebar reinforced concrete structure and defects, and also demonstrated the effectiveness of the technology of modern spectrum profiles

    La transmission interculturelle des risques dans la société du risque

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    Les risques dans la société du risque sont naturels et non artificiels. Avec l’approfondissement de la globalisation, les risques locaux deviennent corrélatifs au monde, ce qui nécessite la transmission interculturelle des risques. Dans la société du risque, la fonction de transmission de l’information des médias doit, pour répondre à la nécessité des risques et à la dépendance des connaissances, jouer deux rôles : communiquer les risques et les faire connaître. Les médias, cependant, en jouant ces deux rôles, seraient à la fois propulseurs des risques connus et moteurs de nouveaux risques. Il faut donc essayer de diminuer le paradoxe de la transmission par les médias des risques

    Role of Biotic and Abiotic Factors for Sustainable Cotton Production

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    Climate is changing globally nowadays because of extensive crucial human activities. This state along with stark in weather measures ultimately affecting the development and growth of crops due to various kinds of stressful field condition at the same time including biotic and abiotic stresses. Thus, various biotic factors including pathogens, weeds and pests and abiotic factors including temperature, humidity and drought etc. are involved in reduction of cotton yield due to which cotton production significantly reduced. Various biotic factors have direct effect on the cotton production and caused significant reduction in cotton crop yield estimated up to 10 to 30%, while as abiotic factors are even worse than biotic stresses and could cause 50% reduction. So, effective agronomic practices, optimal climate and integrated pest management leads to fruitful crop production to cover this yield gap. This chapter will be broadly useful to design projects aimed with inter and intra-disciplinary collaboration for sustainable cotton production

    Kctd9 Deficiency Impairs Natural Killer Cell Development and Effector Function

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    We previously showed that potassium channel tetramerization domain containing 9 (KCTD9) is aberrantly expressed in natural killer (NK) cells in patients with hepatitis B virus-associated acute-on-chronic liver failure and mice with experimental fulminant hepatitis. However, the mechanism underlying the regulation of NK cell function and fulminant hepatitis progression by KCTD9 is unknown. Here, we investigated the role of Kctd9 in regulation of early development, maturation, and function of NK cells using Kctd9-knockout mice. Compared to wild-type mice, Kctd9-deficient mice exhibited impaired NK cell lineage commitment, as evidenced by selective reduction in the refined NK progenitors, and incomplete NK cell maturation, as manifested by a higher proportion of CD11b− NK cells and a lower percentage of CD11b+ NK cells with high proliferative potential. Moreover, Kctd9-depleted NK cells displayed insufficient IFN-γ production, degranulation, and granzyme B production in response to cytokine stimulation, and attenuated cytotoxicity to tumor cells in vitro. The defect in NK cells was further supported by ameliorated liver damage and improved survival in Kctd9-deficient mice following murine hepatitis virus strain-3 (MHV-3) infection, which otherwise leads to immune-mediated fulminant hepatitis, a phenotype homologous to that caused by NK cell depletion in wild-type mice. Further investigation to identify the underlying mechanism revealed that Kctd9 deficiency hindered the expression of transcription factors, including Ets1, Nfil3, Eomes, and Id2 in NK cells. Collectively, our data reveal that Kctd9 acts as a novel regulator for NK cell commitment, maturation, and effector function
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