نتایج جستجو برای: nodular chromites
تعداد نتایج: 11713 فیلتر نتایج به سال:
BACKGROUND We report a patient with Salzmann's nodular degeneration in whom the disease occurred without a history of keratitis and recurred twice after keratectomy. CASE A unilateral case of symptomatic Salzmann's nodular degeneration developed after cataract surgery in a 75-year-old woman. OBSERVATIONS We performed superficial keratectomy and amniotic membrane transplantation two times, b...
A 12-year-old male child suffering from pain, redness, blurring and watering of right eye since six months was diagnosed as suffering from nodular episcleritis probably tuberculosis. Diagnosis was supported by the additional finding of enlarged cervical lymph node found on aspiration cytology. Complete resolution occurred after anti-tuberculosis therapy.
This is a report of a 43-year-old man with nodular fasciitis of the little finger. Nodular fasciitis with its feature of rapid growth and aggressive histological appearance is often mistaken for a malignant neoplasm and rarely involves fingers.
در پژوهش حاضر تاثیر متغیرهای فرایند آستمپرینگ پی در پی بر روی ریز ساختار و خواص مکانیکی چدن های نشکن غیر آلیاژی مورد بررسی و مطالعه قرار گرفت. در آزمایش های انجام گرفته، نمونه های چدن داکتیل در دمای c 900 و مدت زمان یک ساعت آستنیته شده و سپس در دماهای 275، 375 درجه سانتی گراد یا هر دو دمای فوق برای زمان های 1 تا 60 دقیقه تحت فرایند آستمپرینگ قرار گرفت و تاثیر درجه حرارت و زمان آستمپرینگ بر ریز...
Gushk chromite mine is one of the largest and the most important chromite mines in Iran that is located in southwest of Kerman Province, 5 km north of Baft city. In this open pit active mine, about 60 tons of chromite is extracted per day. The studied chromitites are podiform type and form discontinuous layers or lenses surrounded by completely serpentinized dunites. The chromites with average ...
: Cheshmeh-Bid chromite deposit is located in Nayriz ophiolite, 200 km northeast of Shiraz. The ophiolite sequences in this area are including ultramafic rocks (dunite, harzburgite, and pyroxenite). In this deposit, chromites are located in the mantle-crust transition zone and are enclosed by a dunite cover. Based on chemical studies of the major elements, chromite is depleted of Al and Ti elem...
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