نتایج جستجو برای: refractory materials

تعداد نتایج: 492200  

Arianpour, F., Banitaba, A., Naghizadeh, R,

In this research project, the properties and characterization of one kinds of Iranian bauxite extracted from Damavand Shahbolaghi mine near Tehran were compared with one type of industrial China's refractory grade bauxite in order to using in refractory industries. At first physical, chemical and thermal properties and phase and micro structural evolutions of as received and sintered samples at...

LEE W.E., ,

Penetration and dissolution mechanisms are reviewed for predominantly single-phase oxide, two phase oxide and oxide-carbon composite refractories by liquid silicate slags. Theoretical models of these processes, as well as static (sessile drop, dipping and crucible) and dynamic (rotating finger and rotary slag) experimental tests, along with their practical limitations are considered. Direct (co...

K Khatami

Refractory celiac disease (RCD) is when malabsorption symptoms and villous atrophy persist despite strict adherence to a gluten free diet (GFD) for more than 12 months and other causes of villous atrophy have been ruled out.  RCD is considered a rare disease and almost exclusively occurs in adults. Persistent diarrhea, abdominal pain, weight loss are the most common symptoms in RCD. Also, anemi...

Journal: :iranian journal of otorhinolaryngology 0
behrooz gandomi department of otorhinolaryngology, shiraz university of medical sciences, shiraz, iran. mohammad hosein arzaghi department of otorhinolaryngology, shiraz university of medical sciences, shiraz, iran. bijan khademi department of otorhinolaryngology, shiraz university of medical sciences, shiraz, iran. mohammad rafatbakhsh english language lecturer, language department, shiraz university of medical sciences, shiraz, iran.

introduction: epistaxis is one of the most common medical emergencies, making the management of posterior epistaxis a challenging problem for the ear, nose, and throat (ent) surgeon. in the cases of conservative management failure, ligation of the major arteries or percutaneous embolization of the maxillary artery is performed routinely in most units, but rates of failure and complications are ...

Journal: :iranian journal of child neurology 0
r. fallah md assistant professor of pediatric neurology, shaheed sadoughi university of medical sciences

objective refractory convulsive status epilepticus (se) which does not respond to first line drugs (benzodiazepines, phenytoin and phenobarbital) heralds an emergency condition in pediatric neurology which can cause irreparable brain damage. there is no consensus on the choice of drug treatment for refractory generalized  convulsive status epilepticus in children. lidocaine is a valuable forgot...

Journal: :international journal of hematology-oncology and stem cell research 0
mozaffar aznab imam reza hospital and taleghani hospital, kermanshah university of medical sciences, kermanshah, iran bahram samadzadeh imam reza hospital, kermanshah university of medical sciences, kermanshah, iran assad moradi imam reza hospital, kermanshah university of medical sciences, kermanshah, iran abdol rosol bardideh imam reza hospital, kermanshah university of medical sciences, kermanshah, iran jamal hoseini clinical research developemental center, kermanshah university of medical sciences, kermanshah, iran kazhal kaviani moghadam statistic department, private statistic institute, kermanshah, iran

introduction: prostate cancer is one of the most common cancers among males and the second factor resulting to death due to cancer among them.(1) the median age of its diagnosis is 65 years. the initial treatment includes androgen ablation or orchiectomy.(2, 3) in case of patient’s hormone refractory, chemotherapy would be substituted. the objective of this study is the consideration of intermi...

Introduction: Celiac disease can be associated with other diseases, including neurological disorders. In this study, the relationship between celiac disease and refractory epilepsy was evaluated in patients who were referred to Imam Khomeini Hospital in Urmia. Methods: In this cross-sectional study, patients with refractory epilepsy who were referred to the neurology clinic of Imam Khomeini Ho...

Journal: :Minerals 2023

The main problem affecting the life of refractory linings in furnaces is alkaline corrosion formed during biomass combustion, especially systems with SiO2–Al2O3. This effect very intensive compared to using conventional technologies designed for burning traditional fuels. study focuses on development a new type andalusite material higher resistance K2CO3 and fly ash after combustion. original l...

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