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Background: Natural Killer (NK) cells, through mechanisms such as cytotoxicity and cytokine production, are among the first line of defence against infections. The ability of NK cytotoxicity is related to Killer cell immunoglobulin-like receptors (KIR) found on the cell surface. Interaction between KIRs and human leukocyte antigen (HLA) class I molecules regulate NK cells responses to eliminate...
Statistical Modeling Approaches for PM10 Prediction in Urban Areas; A Review of 21st-Century Studies
PM10 prediction has attracted special legislative and scientific attention due to its harmful effects on human health. Statistical techniques have the potential for high-accuracy PM10 prediction and accordingly, previous studies on statistical methods for temporal, spatial and spatio-temporal prediction of PM10 are reviewed and discussed in this paper. A review of previous studies demonstrates ...
Many studies have widely discussed and reported strong relationship of the concentration of ultrafine particles (UFP) <100 nm in diameter with negative health effects (e.g. Heal et al., 2012; HEI, 2013; WHO, 2013). As an example, epidemiological and toxicological research demonstrated associations between daily average UFP concentrations measured at central locations and daily cardiorespiratory...
یکی از معضلات اساسی شهرهای بزرگ جهان پدیدۀ آلودگی هواست. ایران به خصوص کلانشهر تهران نیز از این پدیده مصون نیست، به طوری که سالیانه شاهد خسارات مالی، جانی و اجتماعی متأثر از این نوع آلودگیها هستیم. آلودگی هوای این شهر اغلب ناشی از منابع ثابت و متحرک آلودهکننده است و مهمترین آلایندههای تهران را ذرات معلق PM10 و PM2.5، CO، O3، SO2 و NO2 دربر میگیرند. از این رو در تخمین حاضر ابتدا روشهای مخ...
Land Use Regression (LUR) is one of the air quality assessment modelling techniques. Its advantages lie mainly in a much simpler mathematical apparatus, quicker and calculations, possibility to incorporate more factors affecting pollutant concentration than standard dispersion models. The goal study was perform LUR model Polish-Czech-Slovakian Tritia region, test two sets pollution data input f...
Let X be a WCG Banach space admitting a Ck-Fréchet smooth norm. Then X admits an equivalent norm which is simultaneously C1-Fréchet smooth, LUR, and a uniform limit of Ck-Fréchet smooth norms. If X = C([0, α]), where α is an ordinal, then the same conclusion holds true with k =∞.
New methods are developed for identifying, estimating, and performing inference with nonstationary time series that have autoregressive roots near unity. The approach subsumes unit-root (UR), local (LUR), mildly integrated (MI), explosive (ME) specifications in the new model formulation. It is shown how a parameterization involving localizing rate sequence characterizes departures from unity ca...
این پژوهش با الهام گرفتن از نتایج یک طرح مطالعاتی کاربردی، رویکرد سلسلهمراتبی جهت پیگیری فرایند توسعه تأمینکنندگان و حمایت تصمیمات موجود در هر مراحل آن ارائه میکند. ابتدا، زمینههای تأمین نیازمند سپس واجد شرایط هریک زمینهها به کمک تصمیمگیری چندشاخصه بهترین-بدترین مشخص میگردند. معیارهای شناسایی نیز مرور مطالعات پیشین بهرهگیری نظرات خبرگان حوزهی خرید استخراجشدهاند. درنهایت، مدل ریاضی ...
Bovine gammaherpesvirus 4 (BoHV-4) is a herpesvirus widespread in cattle populations, and with no clear disease association. Its genome contains a long unique coding region (LUR) flanked by polyrepetitive DNA and 79 open reading frames (ORFs), with unique 17 ORFs, named Bo1 to Bo17. In 2009, a BoHV-4 strain was isolated (FMV09-1180503: BoHV-4-FMV) from cattle with respiratory disease from Quebe...
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