نتایج جستجو برای: pcrpolymeras chain readins

تعداد نتایج: 295526  

Brahami, Mustapha Anwar, Dahane, Mohammed, Maliki, Fouad, Sari, Zaki,

A supply chain is a set of facilities connected together in order to provide products to customers. The supply chain is subject to random failures caused by different factors which cause the unavailability of some sites. Given the current economic context, the management of these unavailabilities is becoming a strategic choice to ensure the desired reliability and availability levels of the dif...

This paper presents an optimized diamond structured automobile supply chain network towards a robust Business Continuity Management model. The model is necessitated by the nature of the automobile supply chain. Companies in tier two are centralized and numerically limited and have to supply multiple tier one companies with goods and services. The challenge with this supply chain structure is th...

This paper investigates the impact of provided service by the retailers and manufacturers on customers’ demand and members’ profit in a supply chain. It focuses on a supply chain structure with one manufacturer and a common retailer. The demand of customers depends on retailer price and service level. A game-theoretic framework is applied to obtain the equilibrium solutions for each entity in s...

Accurate forecasting of annual gas consumption of the country plays an important role in energy supply strategies and policy making in this area.  Markov chain grey regression model is considered to be a superior model for analyzing and forecasting annual gas consumption.  This model Markov is a combination of the Markov chain and grey regression models. According to this model, the residual er...

Journal: :مدیریت زنجیره تأمین 0
مهدی اجلی عزت اله اصغری زاده حسین صفری

globalization, increasing the global regulations of governmental and non-governmental organizations and customers’ request regarding to environmental compliance issues have led to organizations considering the green supply chain management to improve the environmental and economic performance. in order to maximize the efficiency of energy consumption and resources across the supply chain, green...

Journal: :مدیریت زنجیره تأمین 0
جعفر حیدری پیام زعابی احمدی

in this paper a two-stage supply chain with a buyer and seller have been studied. it is assumed that lead time is probabilistic and demand is fixed. in the decentralized model it can be observed each supply chain member try to make the decision to maximize their profits and it will effect on the other members of supply chain and in the comparison with centralized model with assuming the seller ...

Journal: :journal of agricultural science and technology 2015
f. hashemzadeh s. rahimi m. a. karimi torshizi a. a. masoudi

lactobacilli, like the other gut commensal bacteria, are well known for their use in poultry nutrition and for their probiotic properties. however, little is known about their interaction with the gastro-intestinal tract when administered in vivo. to specifically monitor the passage of lactobacilli after administered in hatchery, lactobacillus plantarum was transformed with the recombinant vect...

Journal: :iranian journal of mathematical chemistry 2013
z. yarahmadi t. došlić s. moradi

in this paper we present explicit formulas for the eccentric connectivity index of three classesof chain hexagonal cacti. further, it is shown that the extremal chain hexagonal cacti withrespect to the eccentric connectivity index belong to one of the considered types. some openproblems and possible directions of further research are mentioned in the concluding section.

Journal: :iranian red crescent medical journal 0
maryam heidary department of microbiology, falavarjan branch, islamic azad university, falavarjan, ir iran hassan momtaz department of microbiology, shahrekord branch, islamic azad university, shahrekord, ir iran; department of microbiology, shahrekord branch, islamic azad university, shahrekord, ir iran. tel/fax: +98-3361064 mahboobeh madani department of microbiology, falavarjan branch, islamic azad university, falavarjan, ir iran

background: acute infectious diarrhea is one of the most important causes of morbidity and mortality worldwide. objectives: the objective of this study was to characterize antimicrobial resistant diarrheagenic escherichia coli strains isolated from diarrheic children in tehran, ir iran. patients and methods: in total, 550 stool samples from diarrheic pediatric patients, aged less than 60 months...

Journal: :آب و خاک 0
احسان امینی بیژن قهرمان کامران داوری محمد موسوی بایگی

abstract agricultural scientists have developed considerable interest in modeling and generation of rainfall as new ways of analyzing rainfall data and assessing its impact on agriculture. a combination of markov chain and gamma distribution function is recognized as a simple approach and is demonstrated to be effective in generating daily rainfall data for many environments. thus the availabil...

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