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Case Reports : Pregnancy in a Woman with Wilson`s Disease Treated with Zinc: A Case Report
( Sanjoy Kumar Bhattacharyya ),( Shyama Prasad Saha ),( Jaydeep Samanta ),( Atanu Roychowdhuri ) 대한산부인과학회 2012 Obstetrics & Gynecology Science Vol.55 No.3
Wilson`s disease is a rare hereditary disorder of copper metabolism affecting 30 per million populations. Copper get deposited in liver, brain and kidney due to decreased hepato-cellular excretion and leading to diverse clinical manifestations. Patient may remain apparently asymptomatic or may present with fulminant liver disease or neuropsychiatric illness. Reproductive outcome in untreated Wilson`s disease is poor. Women remaining untreated either suffer from infertility or experience recurrent pregnancy losses. Invention of copper chelating agents and their usage in these women resulted in successful pregnancy outcome. Penicillamine or zinc salts can be used as copper chelator in pregnancy with Wilson`s disease with equal effectiveness in respect to pregnancy outcome. We report a case of previously undiagnosed Wilson`s disease with three consecutive pregnancy losses who achieved a live birth after successfully treated with zinc salts. The several points regarding antenatal care, drug therapy and optimum time and mode of delivery for the woman with Wilson`s disease are discussed here.
The Impact of FDI on Wage Differential in Bangladesh
Sanjoy-Kumar Saha,정세은 한국무역연구원 2019 무역연구 Vol.15 No.5
Purpose - The purpose of the study is to examine the wage differential between domestic and foreign-owned firms (MNCs) in Bangladesh using World Bank Enterprise Survey Data. Design/Methodology/Approach - In this study, we employ OLS to investigate the wage premiums. In addition to the OLS method, we use Quantile Regression (QR) to reveal the premium in each quantile of wage distribution for a robustness check. Findings - The foreign-firm premium is large and significantly positive by 49 percent but reduced to nearly half when human capital, firm, and worker differences are considered. However, the remaining 27 percent wage premium of those foreign-owned is still substantial. The premium does not, however, vary monotonically with the status of foreign control. Fully foreign-owned firms were not found to have a significant positive wage premium. In addition, the QR result reveals that the premium is larger for workers at the top of the conditional distributions. This findings means foreign firms may select workers that are more skilled in their unobservable characteristics. Research Implications or Originality - This study is the first attempt to analyze the effects of FDI on wage premiums in Bangladesh, and clearly distinguishes the ownership of the firms as we divide the full sample into four ownership categories.
Dark-photon searches via Higgs-boson production at the LHC
Biswas, Sanjoy,Gabrielli, Emidio,Heikinheimo, Matti,Mele, Barbara American Physical Society 2016 Physical review. D Vol.93 No.9
<P>Dark photons (gamma) over bar mediating long-range forces in a dark sector are predicted by various new physics scenarios, and are being intensively searched for in experiments. We extend a previous study of a new discovery process for dark photons proceeding via Higgs-boson production at the LHC. Thanks to the nondecoupling properties of the Higgs boson, BR(H ->gamma(gamma) over bar) values up to a few percent are possible for a massless dark photon, even for heavy dark-sector scenarios. The corresponding signature consists (for a Higgs boson at rest) of a striking monochromatic photon with energy E-gamma = m(H)/2, and a similar amount of missing energy. We perform a model-independent analysis at the LHC of both the gluon-fusion and vector-boson fusion (VBF) Higgs production mechanisms at 14 TeV, including parton-shower effects, and updating our previous parton-level analysis at 8 TeV in the gluon-fusion channel by a more realistic background modeling. We find that a 5 sigma sensitivity can be reached in the gluon-fusion channel for BR(H ->gamma(gamma) over bar) similar or equal to 0.1% with an integrated luminosity of L similar or equal to 300 fb(-1). The corresponding VBF reach is instead restricted to 1%. Such decay rates can be naturally obtained in dark-photon scenarios arising from unbroken U(1)(F) models explaining the origin and hierarchy of the Yukawa couplings, strongly motivating the search for this exotic Higgs decay at the LHC.</P>
Sabiha Sultana,Sanjoy Kumar Adhikary,Md. Monirul Islam,Sorder Mohammad Mahbubur Rahman 한국식물병리학회 2018 Plant Pathology Journal Vol.34 No.2
Leaf blotch of wheat caused by Bipolaris sorokiniana is a major constraint to wheat production, causing significant yield reduction resulting in severe economic impact. The present study characterizes to determine and compare pathogenic variability exist/not based on components of leaf blotch disease development and level of aggressiveness due to agroclimatic condition of B. sorokiniana in wheat. A total of 169 virulent isolates of B. sorokiniana isolated from spot blotch infected leaf from different wheat growing agroclimate of Bangladesh. Pathogenic variability was investigated on a susceptible wheat variety ‘kanchan’ now in Bangladesh. A clear evidence of positive relationship among the components was recorded. From hierarchical cluster analysis five groups were originating among the isolates. It resolved that a large amount of pathogenic diversity exists in Bipolaris sorokiniana. Variation in aggressiveness was found among the isolates from different wheat growing areas. Most virulent isolates BS 24 and BS 33 belonging to High Ganges River Flood Plain agro-climatic zones considered by rice-wheat cropping pattern, hot and humid weather, high land and low organic matter content in soil. Positive relationship was found between pathogenic variability and aggressiveness with agro-climatic condition.
Sustainability in Real-time Scheduling
Alan Burns,Sanjoy Baruah 한국정보과학회 2008 Journal of Computing Science and Engineering Vol.2 No.1
A scheduling policy or a schedulability test is defined to be sustainable if any task system determined to be schedulable remains so if it behaves "better" than mandated by its system specifications. We provide a formal definition of sustainability, and subject the concept to systematic analysis in the context of the uniprocessor scheduling of periodic and sporadic task systems. We argue that it is, in general, preferable engineering practice to use sustainable tests if possible, and classify common uniprocessor schedulability tests according to whether they are sustainable or not.