نتایج جستجو برای: chain

تعداد نتایج: 295525  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

به طور کلی در فرآیندهای مارکوف ارگودیک دو بعدی یافتن فرم بسته توزیع ایستا، تنها برای حالات خیلی خاص امکان پذیر است. با توجه به این مشکل و نیز با توجه به اهمیت توزیع ایستا، بررسی و مطالعه رفتار مجانبی توزیع ایستای این فرآیندها مورد توجه قرار گرفته است. زنجیر قدم زدن تصادفی دو بعدی که در برخی متون به آن، فرآیند qbd دو طرفه نیز می گویند، یکی از این فرآیندها است. یک فرآیند qbd زمان گسسته یک زنجیر م...

Journal: :مدیریت زنجیره تأمین 0
اسماعیل مزروعی نصرآبادی عباس شول

impact of supply chain drivers on supply chain performance has no far been studied. in this research we want identifying supply chain drivers, classifying them and examining their relationship with iran's supply chain performance. this research has innovation in identifying and classifying drivers and examining relationship between drivers and supply chain performance we used bsc for assessing ...

Journal: :iranian journal of pathology 2015
phiza aggarwal deepak aggarwal

dear editor-in-chief we read with interest the study by khazaei et al. (1) in which the authors have nicely concluded that pcr is more sensitive test than ziehl-neelsen staining and histo-pathological examination for the diagnosis of tuberculosis (tb). they have rightly pointed to use pcr, selectively, in acidfast bacilli negative paucibacillary forms of tb. however, we intend to highlight few ...

Journal: :jundishapur journal of health sciences 0
effat jahanbani department of health services management, science and research branch, islamic azad university, tehran, ir iran amir ashkan nasiripour department of health services management, science and research branch, islamic azad university, tehran, ir iran; department of health services management, science and research branch, islamic azad university, tehran, ir iran. tel: +98-214488537, fax: +98-2144869705 pouran raeissi school of management and medical information science, iran university of medical sciences. tehran, ir iran seyed jamalaldin tabibi department of health services management, science and research branch, islamic azad university, tehran, ir iran

results responsiveness, effectiveness, and flexibility with eigenvalue of 2.628 were identified as the main aspects of agility in humanitarian health supply chains. the components of visibility, reactivity, and speed were identified as components of responsiveness. quality, reliability, and completeness were identified as components of effectiveness. volume, delivery, mix, and product were know...

Journal: :Journal of Economics and Public Finance 2019

Supply Chain Operations Reference (SCOR) model is developed and maintained by the Supply Chain Council (SCC). The model is a reference model which can be utilized to map benchmark and improve the supply chain operations. SCOR model provides companies with a basic process modeling tool, an extensive benchmark database by defining a set of supply chain metrics. This paper explains the process and...

Chandra Shekhar Singh Gaurav Kumar Badhotiya Gunjan Soni

In the current competitive and dynamic market, customer demands and interests are changing continuously, and hence, risk of disruption in the supply chain is also increasing. To be successful in this scenario, supply chain of a firm should be resilient. Most of the firms realize that with a specific end goal to develop a resilient supply chain, there is a need for assessment of performance. The...

Journal: :jundishapur journal of microbiology 0
abdolhassan kazemi tropical and infectious disease research center, tabriz university of medical sciences, tabriz, ir iran mehraban falahati department of medical parasitology and mycology, tehran university of medical sciences, tehran, ir iran; corresponding author: mehraban falahati, parasitology and mycology department, school of medicine, tehran university of medical sciences, tehran, ir iran . tel.: +98-2188058653, fax: +98-2188058653, e-mail: ashraf hajipoor tropical and infectious disease research center, tabriz university of medical sciences, tabriz, ir iran abbasali jafari department of medical mycology, school of medicine, yazd university of medical sciences, yazd, ir iran mohammad asghar zadeh tropical and infectious disease research center, tabriz university of medical sciences, tabriz, ir iran

results 162 yeast species from 250 specimens were isolated in sabroud dextrose agar (sda) medium. 106 (65.4%) of them were germ tube formation positive, 86 (53%) chlamydoconidium formation positive and 101(62.4%) were pcr positive. yeast cells and mycelia were detected in the isolates on direct microscopic examination. c. albicans accounted for 66.04% of cases and 34% were non-c. albicans speci...

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