نتایج جستجو برای: Explosive

تعداد نتایج: 12601  

Journal: :journal of the iranian chemical research 0
ming lu chemical engineering college, nanjing university of science and technology, nanjing 210094, pr china qifa liu chemical engineering college, nanjing university of science and technology, nanjing 210094, pr china

a novel mathematical model has been developed to aid the formulation of emulsion explosives. this mathematical model calculated heat of explosion, oxygen balance and raw material cost as a function of explosive ingredients, and the solution of the mathematical model was obtained by a ms excel program. the effects of the different content of nh4no3, nano3, h2o, and span-80 and composite fuel oil...

In the present study, the corrosion behavior and microstructural changes of 5000 series aluminum and copper sheets after the explosive welding process have been investigated. Explosive welding is performed with a fixed stop interval and change of explosive load. Dynamic potential polarization tests and electrochemical impedance spectroscopy, light microscopy, and scanning electron microscopy we...

Journal: :journal of modern processes in manufacturing and production 2014
mohammad honarpisheh mahdi dehghani sina ghaffari

equal channel angular rolling (ecar) is a severe plastic deformation method that covered plasticdeformation of sheets. in this study, effects of ecar route shave been investigated on themechanical and microstructure properties of explosive-welded al-cu bimetal. at first, the explosivewelding process has been performed to prepare the al-cu bimetals. then, to relieve the stress andpreparing of sa...

In the present study, the corrosion behavior and microstructural changes of 5000 series aluminum and copper sheets after the explosive welding process have been investigated. Explosive welding is performed with a fixed stop interval and change of explosive load. Dynamic potential polarization tests and electrochemical impedance spectroscopy, light microscopy, and scanning electron microscopy we...

ژورنال: مواد پرانرژی 2011
اکبری موسوی, سید علی اصغر, فتحی یونسی, البرز,

  Abstract   Explosive welding is a solid state process in which bond is produced by a high oblique impact of two plates with the controlled explosive charge. In this paper, the explosive welding of Ms90 brass flyer plate with the St14 steel base plate are considered by using the parallel set up geometry. From the practical viewpoint, various parameters such the stand-off distance, dynamic angl...

Journal: :journal of nanostructures 2012
b. naderizadeh a. moghimi m. shahi

electrospinning was applied to nitrocellulose (nc) solutions  in dmf, dmso  and  ethyl  methyl  keton  to  obtain  nc  nanofibers. electrospraying  process  was  observed  when  dmf  was  used  as solvent.  in  comparison  to nc/dmf, nc/dmso  solution  resulted  in the  formation  of  a  coating  film  as  indicate  by  sem.  two  different electrospun  nanofibers,  smooth  nanofibers  with  90...

Journal: :annals of military and health science research 0
محمدحسین لشگری mohammad hossein lashkari department of surgery, aja university of medical sciences, tehran, iran.دانشگاه علوم پزشکی آجا مهدی نویدبخش mehdi navidbakhsh school of mechanical engineering, iran university of science and technology, tehran, iran.دانشگاه علم و صنعت ایران کامبیز کنگرلو kambiz kangarlou postdoctoral researcher, school of mechanical engineering, iran university of science and technology, tehran, iran.دانشگاه علم و صنعت ایران

purpose: in recent years high explosive bomb attacks have been increasingly directed against   civil structures by various terrorist organizations. this paper describes a numerical method for   assessing the interaction of high explosive air blast within the complex geometrical type of a   congested urban environment.   materials and methods: the first step in predicting blast effects on a targ...

Journal: :The Journal of clinical psychiatry 2007
Jon E Berner

Journal: :jundishapur journal of natural pharmaceutical products 0
mohammad arefi department of clinical toxicology, school of medicine, baharloo hospital, tehran university of medical sciences, tehran, ir iran hamidreza mohammadi department of clinical toxicology, school of medicine, baharloo hospital, tehran university of medical sciences, tehran, ir iran; pharmacutical science research center, mazandaran university of medical sciences, sari, ir iran; department of toxicology and pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, ir iran; department of toxicology and pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, ir iran. tel: +98-1513543082, fax: +98-1513543085

introduction acute poisoning by oral ingestion of mixed hazardous materials can lead to multiorgan toxicity and may represent a special challenge in clinical management, in particular if little is known about the effects of the involved agents. this is especially true when industrial chemical substances have been swallowed, as a huge variety of toxic substances must be taken into account. concl...

ژورنال: مواد پرانرژی 2017

Emulsion explosive is a form of water in oil emulsions. They include a mixture of fuel and oxidizer and other components. Emulsions are a new type of industrial explosive materials. Because of the stability, high safety and well explosive performance, are used as a powerful and inexpensive source of energy in agriculture, water conservancy, transportation, mining, building materials and etc. So...

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