نتایج جستجو برای: almasi
تعداد نتایج: 28 فیلتر نتایج به سال:
introduction the study area is located in the central part of the khaf- kashmar- bardaskan volcano-plotunic belt (briefly kkbb). several iocg deposits such as tanourjeh au-bearing magnetite deposit and kuh-e-zar specularite-rich au deposit have been explored in kkbb. geology, alteration, mineralization, geochemistry and fluid inclusion results in kashmar suggest the iocg type au-bearing magneti...
Abstract Severe service control valves or better, high-pressure reducing can see inlet pressures in excess of 4000 psi. Such are found industries ranging from gas petroleum wells, to chemical plants and steam-producing power (Goodwin, “Specifying Control Valves for Service Conditions”, INTECH FOCUS, November (2022), p. 20). convert high levels kinetic energy through a process conversion sound-p...
Association Rule Mining (ARM) is concerned with how items in a transactional database are grouped together. It is commonly known as market basket analysis, because it can be likened to the analysis of items that are frequently put together in a basket by shoppers in a market. From a statistical point of view, it is a semiautomatic technique to discover correlations among a set of variables. ARM...
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سیب گمیالماسی یکی از ارقام پاکوتاه سیب است که منشاء آن شمالغرب ایران بوده و به لحاظ ویژگی های مناسب از نظر باغبانی حائز اهمیت میباشد. انتقال ژن با استفاده از آگروباکتریوم یکی از روشهای تراریختی است که تاکنون در مورد بسیاری از گونه ها و ارقام انجام گرفته است. بهینه سازی عوامل مختلف تاثیر گذار در تراریختی و باززایی گیاهان تراریخت لازمه برنامه های انتقال ژن محسوب می شود. در این پژوهش با استفاد...
Background and Objectives: Petrochemical wastewater contains some kinds of toxic substances but if the effluent is treated properly, its reuse will be possible. This study aimed to evaluate the efficiency of wastewater treatment of Shazand Petrochemical Corporation and feasibility of its effluent reuse in green space irrigation and cooling towers. Materials and Methods: In this descrip...
سیب گمیالماسی یکی از ارقام پاکوتاه سیب است که منشاء آن شمالغرب ایران بوده و به لحاظ ویژگی های مناسب از نظر باغبانی حائز اهمیت میباشد. انتقال ژن با استفاده از آگروباکتریوم یکی از روشهای تراریختی است که تاکنون در مورد بسیاری از گونه ها و ارقام انجام گرفته است. بهینه سازی عوامل مختلف تاثیر گذار در تراریختی و باززایی گیاهان تراریخت لازمه برنامه های انتقال ژن محسوب می شود. در این پژوهش با استفاد...
Background and Objective: The percence of organic compounds resistant to biodegradation has become one of the most important environmental challenges in the chemical and petrochemical industry in this century. Phenol or hydroxyl benzene as an aromatic hydrocarbon discharged into the environment through certian industrial effluents which, thereby, pollutes water resources. This study examined th...
Background and Objective: Chemical dyes used in the textile wastewater besides having harmful effect on the environment, have carcinogenic and mutagenic effects. Methylene blue has harmful effect on living organisms in short period of exposure. The goal of this study was optimization of the catalytic ozonation process by pumice modified by magnesium nitrate in removal of methylene blue dye ba...
Background and Objective: Acid Black 1 dye due to the presence of benzene ring, toxicity, mutagenicity, carcinogenicity and non-degradability is one of the major dangers for human health and environment especially aquatic life. Hence, the removal of these compounds from polluted water and wastewater has been considered. This study has been investigated the removal of acid black1 azo dye f...
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