Hydrates are crystalline compounds similar to ice, with guest molecules like methane and ethane trapped inside cavities or cages formed by the hydrogen bounded framework of water molecules. These solid compounds give rise to problems in the natural gas oil industry because they can plug pipelines and process equipments. Low dosage hydrate inhibitors are a recently developed hydrate control tech...

this research is a descriptive study which carried out to determine knowledge of mothers in kerman about prevention of domestic natural gas accidents in 2000. the number of sample was calculated 431 mothers that the calculation was done according the result of pilot study. the random cluster sampling method was used in this study. data collection tool was an investigator – made questionnaire ...

the purpose of this research is to found the impact of built area and occupant number on winter gas consumption in the residential building sector of iran, shiraz.sothe annually and monthly gas consumption data through 19 houses were analyzed to achieve the heating energy consumption and operation month.the average operation months of gas heating consumption were from first of november up to en...

In this study, the energy consumption in the food and beverage industries of Iran was investigated. The energy consumption in this sector was modeled using artificial neural network (ANN), response surface methodology (RSM) and genetic algorithm (GA). First, the input data to the model were calculated according to the statistical source, balance-sheets and the method proposed in this paper. It ...

background and aim:in recent years, fast-food consumption has increased significantly among societies which is a consequence of many factors for example lifestyle changes. undoubtedly knowledge and attitude of consumers are factors can influence on fast food consumption by individuals. so, goal of this research is study of knowledge and attitude of medical students about fast food consumption. ...