The world’s electricity generation has increased with renewable energy technologies such as solar (solar power plant), wind (wind turbines), heat energy, and even ocean waves. Iran is in the best condition to receive radiation due its proximity equator (25.2969° N). In 2020, was able supply only 900 MW (about 480 plants 420 home plants) of demand from which very low compared global average. Yaz...

Caries ferr is  an epidemiologic index for prevalence of dental caries in a society and it means that persons who do not have any dental caries,in other words,that equal to DMF=0.to determine the prevalence of caries ferr in 12 year-old student in Guidance school in sirjan city,this study was carried out with the method of WHO index in 1996.on the bases of a pilot study the of sample size was d...

background and purpose: multiple sclerosis (ms) is a disease determined by the interaction of genetic and environmental factors. metals are suspected of being involved in ms. there is not any epidemiologic study about mines and ms. the purpose of this study was to determine ms prevalence according to mines in kerman province. methods: this cross-sectional study was conducted on 932 patients in ...

the kasian volcanic body is located in the eastern margin of the zagros thrust belt, close to the sanandaj-sirjan metamorphic zone. these volcanic rocks are mainly composed of andesite and andesite-basalt rocks with porphyritic, hypocrystalline porphyritic, hyalo-porphyritic and hyalo-microlitic porphyritic textures. analyses of the distributions of major, rare earth and trace elements reveal a...