نتایج جستجو برای: em employment
تعداد نتایج: 356286 فیلتر نتایج به سال:
introduction: in developing countries, rotaviral diarrhea is the cause of death of many children, and is the main etiology of gastroenteritis in children under 2 years old. determination of the prevalence of rotaviral infection can reveal the impact of this infection in this group of the population and provides clues as to the strategies for prevention and treatment protocols for children suffe...
a function $f:v(g)rightarrow {-1,0,1}$ is a {em minusdominating function} if for every vertex $vin v(g)$, $sum_{uinn[v]}f(u)ge 1$. a minus dominating function $f$ of $g$ is calleda {em global minus dominating function} if $f$ is also a minusdominating function of the complement $overline{g}$ of $g$. the{em global minus domination number} $gamma_{g}^-(g)$ of $g$ isdefined as $gamma_{g}^-(g)=min{...
The vast diffusion of microcontrollers has led to their employment in security sensitive contexts, where the need for trusted implementations of cryptographic algorithms is paramount. These architectures are usually endowed with software and occasionally hardware implementation of ciphers, but in both cases, the price envelope is the first figure to be optimized. The vast diffusion and the tigh...
Texas contains a rich but still poorly known cavernicole fauna. Approximately 1,040 terrestrial and 150 aquatic species have been recorded from the state. This number will doubtless greatly increase when large collections, especially of mites, centipedes, and miscellaneous insects, are identified and described. An estimated 81 aquatic and 161 terrestrial species are believed to be sufficiently ...
Su bj ec t G ra de an d Te ac he rs ' Co m m en ts Jo b G ro w th A W ag es N ee ds Im pr ov em en t; So m e ex tr a te st in g w ou ld he lp Pr op er ty Va lu es A + N ew Co m pa ni es B + In du st ry M ix B From 1999 to 2002, American communities with broadband access did signifi cantly better than those without access does matter to the economy, just as common sense would say it should. .. "...
OBJECTIVE To evaluate if perceived occupational factors are associated with insufficient free-time physical activity in Brazilian public school teachers. METHODS The relationship between insufficient physical activity (< 150 minutes/week) and variables related to work was analyzed in 978 elementary and high school teachers calculating the prevalence ratio (PR) and 95% confidence interval (95%...
The Hierarchical mixture of experts(HME) architecture is a powerful tree structured architecture for supervised learning. In this paper, an eecient one-pass algorithm to solve the M-step of the EM iterations while training the HME network to perform classiication tasks, is rst described. This substantially reduces the training time compared to using the IRLS method to solve the M-step. Further,...
ریزموجودات مفید (em)، یکی از کودهای زیستی تجاری شامل باکتریهای فتوسنتزی، باکتریهای اسید لاکتیک، قارچ و اکتینومیستهاست. برای ارزیابی اثر ریزموجودات مفید (صفر و 1 درصد) و تنش شوری (0، 50، 100 و 150 میلیمولار) بر صفات مورفوفیزیولوژیک انار رقم شیشهکپ، آزمایشی به صورت فاکتوریل در قالب طرح کاملاً تصادفی با چهار تکرار در گلخانۀ تحقیقاتی دانشگاه فردوسی مشهد انجام گرفت. برای اعمال تنش شوری از کلری...
در این رساله ابتدا به معرفی توزیع چولهنرمال و مرور برخی از ویژگیهای آن پرداخته میشود. سپس مدل خطی آمیخته با خطا در اندازهگیری چولهنرمال تعریف میشود و روش الگوریتم em برای برآورد پارامترها به کاربرده میشود. در ادامه با استفاده از توزیع چولهنرمال چند متغیره، مدل چندگانه آمیخته خطی با خطا در اندازهگیری چولهنرمال، به عنوان تعمیمی از مدل خطی آمیخته با خطا در اندازهگیری چولهنرمال معرفی و ...
This paper examines the impact of being a victim of violent or property crime on labour market outcomes and general well-being using longitudinal data from the nationally representative Household Income and Labour Dynamics of Australia (HILDA) survey. We estimate fixed effects regression models that examine changes in outcomes for individuals before/after victimisation relative to changes in ou...
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