نتایج جستجو برای: e23
تعداد نتایج: 225 فیلتر نتایج به سال:
Sixteen Staphylococcus aureus isolates originating from foods (eight from dairy products, five from fish and fish products and three from meat and meat products) were evaluated regarding their biofilms formation ability. Six strains (E2, E6, E8, E10, E16, and E23) distinguished as strong biofilm formers, either in standard Tryptic Soy Broth or in Tryptic Soy Broth supplemented with 0.4% glucose...
The main goal of this paper is to test whether macroeconomic conditions affect alcohol consumption using data from the Behavioral Risk Factor Surveillance System for the period 1987–2008. While previous evidence have used pooled cross-section data and rich specifications controlling observed heterogeneity, we feel that both state dependence and unobserved heterogeneity can help in explaining in...
چکیده حرکت به سمت زنجیره تأمین سبز فرصت مناسبی برای توجه همزمان به موضوعات پایداری و عملکردهای تجاری محیطی ایجاد مینماید. در این زنجیره باعث تجدید نظر شرکتها در طراحی محصولات و تکنیکهای خود برای ارائه محصولاتی سازگارتر با محیط، چه زمان تولید و چه زمان مصرف میشود و علاوه بر هزینههای مشهود، هزینههای نامشهودی که در قیمت تمام شده محصول لحاظ نمیشود و بر محیط زیست اثرات منفی و مخرب دارند نیز به...
Short-term and long-term relationship between exchange rate, oil price and spot gas price of three regional gas markets was investigated using and estimating the Vector Autoregressive model. There is a significant and long-term relationship between variables.Short-term interactions of variables with Granger causality test One-year interaction of variables with intervals of one to twelve months ...
Social capital is a relatively new concept in the social sciences and is one of the most important challenges of new era in a way that based on experts’ comments, the solution for all the problems of today’s modern world is social capital. To this end, one of the problems that managers of organizations particularly; service and manufacturing organizations have faced with today is lack of trust ...
یکی از منابع اصلی اطلاعات بهکارگرفته شده در مدلهای تعادل عمومی که باید عدم قطعیت مرتبط با آن شناسایی شود، ساختار تابعی بهکارگرفتهشده در مدل است. تحلیل حساسیت نسبت به فرم تابعی میتواند تخمینی از عدم قطعیتهای موجود، که ناشی از فرم انتخابشدة تابعی هستند، در اختیار قرار دهد. در مدلهای تعادل عمومی، استفاده از مقادیر کشش بهدستآمده در مطالعات دیگران مرسوم است. در این حالت، فرم تابعی انتخاب...
www.thelancet.com/hiv Vol 3 March 2016 e107 4 Padian NS, McCoy SI, Manian S, Wilson D, Schwartlander B, Bertozzi SM. Evaluation of large-scale combination HIV prevention programs: essential issues. J Acquir Immune Defi c Syndr 2011; 58: e23–28. 5 Vermund SH, Fidler SJ, Ayles H, Beyers N, Hayes RJ. Can combination prevention strategies reduce HIV transmission in generalized epidemic settings in ...
this study is intended to investigate the level of public-private cooperation in the process of agricultural development from the view point of potential investors and producers. to achieve this objective we used an adjusted jensen model as a conceptual framework for cooperation. in this process mutual responsibilities is provided to reveal different dimensions of strategic cooperation between ...
a medium scale structural macroeconometric model is constructed to investigate the effects of energy price liberalization on the main macroeconomic variables. the analysis is conducted under 3 different scenarios of increasing the price of energy sources to the level prevailed in the countries of the persian gulf region. these 3 scenarios are a sudden increase, a gradual increase within a 5 yea...
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