In China, combustion of fossil fuels and biomass has produced serious air pollution that does harm to human health. Based on dose-response relationships derived from epidemiological studies, the authors calculated the number of deaths and people with health problems which were thought to be attributable to China's air pollution in the year of 2000. In order to estimate the corresponding economi...

Background & Aims: Traffic accidents are a major cause of disability and mortality around the world and a major public health problem in developing and developed countries. The aim of this study was to assess the burden of road traffic accidents in Isfahan, Iran. Methods: This cross-sectional study was conducted in Isfahan in 2010. Data were collected from death registration system to calculate...

Wheat (Triticum aestivum L.) is one of the most important cereal crops in Ethiopia, however yield crop low mainly due to soil fertility management, lack using balanced fertilizer and improved wheat varieties. The experiment was conducted determine effect varieties, rate their interaction on components economic feasibility application for optimum bread Jimma Arjo district with four levels NPSB r...

Background: Helicobacter pylori may cause many gastrointestinal problems in developing countries such as Iran. We aimed to analyze the cost- effectiveness and cost- utility of the test-and-treat and empirical treatment strategies in managing Helicobacter pylori infection.            Methods: This was a Markov based economic evaluation. Effect...

Economic arguments for acting for health are increasingly important for policymakers, yet to date there has been no consideration of the likely economic burden of alcohol on the global level. A review of existing cost estimates was conducted, with each study disaggregated into different cost areas and the methodology of each element evaluated. The range of figures produced from more robust stud...

to investigate the effect of water treatment and plant density on yield and yield components of two cotton cultivar, a two-year experiment (2006-2007) was carried out in esfahan agricultural research center. the use of a split plot factorial based on complete block with four replications for study. two irrigation levels 135 (i1) and 180 (i2) mm of cumulative pan evaporation class a, from flower...

Abstract The objective of this research was to evaluate the use Life Cycle Assessment methodology assist decision-making in structural projects reinforced concrete. Were studied models for an eight-story building, with classes compressive strength (fck) concrete ranging from 25 50 MPa. Also, were evaluated changes dimensions elements, as well consumption component materials structure. Results s...

We evaluated recreational and socioeconomic values of Masouleh forest park, north of Iran. Travel Cost Method (TCM) or Clawson method was used for evaluation. Therefore, 96 questionnaires were distributed among the visitors. The results indicated that the variables such as travel time to the park, travel costs, age and education were effective variables in using the park. The results show that ...

economic value of natural resources is increased via tourism resources function. natural environment in the desert area has great potential for attracting tourists and in this respect it has a nonmarketable value. making these values marketable may lead to rise up the economic value of natural environment in the desert area. one of the most important natural environments in the desert areas of ...

to study the effect of urea application in safflower (carthamus tinctorius) and determination of effective traits on its yield, a factorial experiment based on randomized complete block design in three replications was conducted in tabriz, iran, during 2012. studied factors were urea rate levels as 100, 150 and 200 kg/ha and urea application times 100% in sowing time, 50% sowing time + 50% stem...