نتایج جستجو برای: time of surcharge removal

تعداد نتایج: 21275231  

Journal: :University of Pennsylvania Law Review 1948

Journal: :jundishapur journal of health sciences 0
mansooreh dehghani research center for health sciences, department of environmental health engineering, school of health, shiraz university of medical sciences, shiraz, ir iran maryam mosleheyan department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran samaneh karimiyan department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran zahra faramarzi department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran marziye ansari department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran narges shamsedini department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran; department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran. tel: +71-37251003, fax: +71-37250226

background textile dyes are the largest organic compounds associated with some problems for the environment. advanced oxidation process is the most effective method for dye removal from wastewater. objectives the aim of this study was to investigate the efficiency of the photo fenton process for decolorization of direct red 81 (dr 81) dye, and to determine the optimal process conditions. method...

پایان نامه :0 1374

what miller wants is a theatre of heightened consciousness. he speaks of two passions in a man, the passion to "feel" and the passion "know". he belives that we can have more of the latter. he says: drama is akin to the other inventions of man in that it ought to help us know more and not merely to spend our feelings. the writing of the crucible shows us that he is trying to give more heightene...

Journal: :environmental health engineering and management 0
seyyedali mirshahghassemi center for environmental nanoscience and risk (cenr), department of environmental health sciences, arnold school of public health, university of south carolina, columbia, south carolina 29208, united states behnoush aminzadeh department of environmental engineering, graduate faculty of environment, university of tehran, iran ali torabian department of environmental engineering, graduate faculty of environment, university of tehran, iran kamelia afshinnia center for environmental nanoscience and risk (cenr), department of environmental health sciences, arnold school of public health, university of south carolina, columbia, south carolina 29208, united states

background: car wash wastewater contains several contaminants such as organic matter, oil, grease, detergents and phosphates, all of which are harmful for the environment. in this study, the application of electrocoagulation (ec) to treat car wash wastewater has been studied, and the operating parameters optimized. the electro-fenton (ef) for further contaminant removal was also investigated. m...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2015
mostafa alizadeh esmail ghahramani mansur zarrabi sara hashemi

in this study, removal of methylene blue by electro-coagulation method using aluminum and iron electrodes was investigated. the influence of the operating parameters such as contact time, current density, anode type, inter-electrodes distance, initial and final ph and energy consumption rate was determined. dye removal was increased with increases in solution ph, current density and contact tim...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1393

abstract target-oriented approaches to translation studies are regarded as recent theories of translation. one of the most famous theories among these approaches is descriptive translation studies presented by toury (1995). this theory gives a new dimension to translation studies and gives importance to the descriptive rather than prescriptive studies. it also identifies three sets of transla...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم 1393

in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

today, persian poetry is of great importance to many scholars around the world. the interest and attention of various cultures toward such a fine literature has given quite a good motivation for a comparative study. the major concern of the study is to investigate how nature is depicted through the works of the great english poet, william wordsworth (1770-1850) and the outstanding contemporary ...

Journal: :the archives of bone and joint surgery 0
valentin neuhaus orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, 55 fruit street, boston, ma 02114, usa dimitrios c. christoforou orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, 55 fruit street, boston, ma 02114, usa amir reza kachooei orthopedic research center, mashhad university of medical sciences, mashhad, iran jesse b. jupiter orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, 55 fruit street, boston, ma 02114, usa david c. ring orthopaedic hand and upper extremity service, yawkey center, suite 2100, massachusetts general hospital, 55 fruit street, boston, ma 02114, usa chaitanya s. mudgal department of orthopedic surgery, massachusetts general hospital, 55 fruit street, boston, ma, 02114 usa.

background:  the purpose of this study was to report the preoperative complaints and postoperative outcome of patients after removal of the radial head prosthesis.   methods:  this is a retrospective review of 14 adult patients (6 females and 8 males) from 2007 to 2011, who underwent radial head prosthesis removal by three surgeons. the average time between implantation and removal was 23 month...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان فارس - دانشکده دندانپزشکی 1385

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