introduction earth's atmosphere plays an important role in preventing the temperature decrease. one of the principal factors of environmental pollution and the main source of earth's climate and biodiversity changes is greenhouse gas emissions from various sources, particularly agricultural sector. agriculture sector is considered as a major source of greenhouse gas sequestration, including me...

Background and aims: Coronary heart diseases (CHDs) contribute to mortality, morbidity, disability, productivity and quality of life. This study was aimed to determine the prevalence of major risk factors for CHD in the provinces of Iran. Methods: This study reported pre-existing data and was of secondary, descriptive type. Prevalence of non-communicable disease (NCD) risk factors was def...

in this study, the total 80% of meoh extract and also petroleum ether, chcl3, etoac, n-buoh, and the remaining meoh fractions obtained by solvent-solvent fractionation of the whole flowering samples of centaurea bruguierana (dc.) hand.-mzt. ssp. belangerana (dc.) bornm. (asteraceae), namely “baad-avard”, collected from borazjan in bushehr province (bushehr, iran) were investigated for larvicida...

the fact that water is the most important factor of life on earth is not a new concept. alteration and reduction in the amount of precipitation, population explosion and contamination of underground water pressurize governments severely to find solution for water resources. the air moisture is one of fresh water resources which has not been noticed and well exploited. in this study proper place...

Background and aims: Evidence-based practice (EBP) guides to increase quality of tendance, and recourse to the administration of the newest powerful research into clinical practice .thus, it is substantial for dentists as well as all healthcare providers to notify clinical decision-making and apply EBP. Aims: The objective of this study was to investigate awareness, knowledge, attitude and barr...