نتایج جستجو برای: old iron mining
تعداد نتایج: 583104 فیلتر نتایج به سال:
cost reduction is one of the methods applied for improving the productivity of organizations. in productivity literature, particularly in nonparametric methods, cost reduction related methods are regarded as input oriented models. this paper presents a supply chain management (scm) model in which purchasing iron ore and coke from different resources, along with production and distribution of st...
Investigating uranium migration mechanisms related to the weathering of waste rocks is essential for developing strategies that can address potential environmental issues caused by mining. This work based on samples containing 2 L ferrihydrite, lepidocrocite and goethite collected in technosols from granitic rock piles, mine drainage conduits waters. The results show important role iron oxyhydr...
Abstract Background Some researches have shown the association between iron deficiency and migraine headache in adults. The aim of present study was to evaluate efficacy of ferrous sulfate treatment on migraine headaches of 5-15 years old migraineur children with iron deficiency. Materials and Methods In a quasi- experimental study, monthly frequency, seve...
Anemia is a common hematological disorder and global public health problem which affects both developing and developed countries with major consequences for human health and their social and economic development. This study aimed to evaluate the morphological types of anemia ant itchr('39')s causes among children attending Elnihoud Teaching Hospital, Elnihoud locality, West Kordufan State, Suda...
Cost reduction is one of the methods applied for improving the productivity of organizations. In productivity literature, particularly in nonparametric methods, cost reduction related methods are regarded as input oriented models. This paper presents a Supply Chain Management (SCM) model in which purchasing iron ore and coke from different resources, along with production and distribution of st...
Abstract Background Iron overload is the main transfusion related side effects in patients with transfusion dependent hemoglobinopathies. Severe iron deposition in tissues leads to organ dysfunction. Many organs can be affected such as heart, liver, and endocrine organs. Cardiac failure and liver fibrosis are the consequent of Iron overload in transfusion dependent hemoglobinopathy. Magne...
blue rubber bleb nevus syndrome is a rare disorder that is characterized by multiple recurrent vascular malformations of skin and gastrointestinal tract . the affected patients may present with diverse manifestations including iron deficiency anemia. we report this syndrome in a 22-year-old man that was referred to our hospital for iron deficiency anemia with unknown cause and vascular malforma...
Introduction Iron ore is one of the most important natural raw materials that is widely used for manufacturing iron and steel. This type of ore contains various amounts of radionuclides; thus, exposing workers handling their extraction, transportation, and processing to radiation. Materials and Methods In this study, 12 ore samples (each mass weighing about 2 kg) were collected from the iron or...
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