نتایج جستجو برای: production and operation management

تعداد نتایج: 17088046  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

در این مطالعه، عملکرد دو سیستم اکسیداسیون شیمیایی پیشرفته و یک سیستم بیولوژیکی برای حذف آموکسی سیلین در فاضلاب های سنتزیدر غلظت های مشابه با موارد صنعتی مورد بررسی قرار گرفته شدند. مطالعه انجام شده دارای سه بخش متفاوت اکسیداسیون با ازن و اشعه uv، اکسیداسیون با استفاده از نانو فتوکاتالیست tio2 و استفاده از بیوراکتور هوازی لجن فعال با جداکننده های فیزیکی می باشد. در هر بخش، متغیر های متفاوتی متنا...

2010
Zhe Yin Yunfei Guo Maosheng Lai

Enterprises use IT system in business sector/information management sector and production management sector on purpose of the operation, which, of course, is inseparable from risk management. Two non-independent risk estimates functions are hence founded in order to receive the information of risk easily, that is, the cash flow-based evaluation functions. Applying the logarithmic probability-di...

2010
Xibo Qiao Hongchao Wu Suping Sun Mingyong Li Zhaopeng Wang Jingui Dong Xinzhong Fan

In order to meet the requirement of national modern rabbit husbandry and breeding management based on animal breeding theory and the computer application technology,the Modern Rabbit Management Software that can run on Windows9X/Me/NT/2000 /XP was programmed with Visual FoxPro9.0, which could enhance veracity and efficiency of selection & breeding of rabbit. The software could perform the selec...

Journal: :The Journal of the Institute of Television Engineers of Japan 1971

Hydraulic fracturing is one of the most common methods of well stimulation for reservoirs with low permeability. Hydraulic fracturing increases the flow capacity, alters flow geometry, bypasses damage and improves recovery factor. The pressure of most of Iranian oil reservoirs is declined and consequently the production is reduced. It is necessary to improve the production by using new stimulat...

Journal: :The Journal of the Institute of Television Engineers of Japan 1972

This paper investigates the relationship between earnings management and quality of earnings for the bankrupt and non-bankrupt firms listed in the Tehran Stock Exchange from 2007 to 2012.The earnings quality  is measured by four separate accounting-based earnings attributes: accruals quality, earnings persistence, earnings predictability; earnings and is also examined by testing the relationshi...

Journal: :The Journal of the Institute of Television Engineers of Japan 1971

Journal: :The Journal of the Institute of Television Engineers of Japan 1971

Journal: :Journal of Mineralogical and Petrological Sciences 2006

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