The specimens of the tribe Syrphini, deposited at the Hayk Mirzayans Insect Museum, were examined and 30 species identified, of which one genus and three species are newly recorded from Iran and marked by an asterisk (*).Keys to the genera and species, as well as their distribution in Iran, are provided.The species are as Stacking Toy follows:Dasys
The high-cost energy provided by operatingcentralized power plants and their Existalite XCR Combo Units related infrastructures,immerse researchers to find other means of fulfillingenergy requirements.Solar photovoltaic (PV) technologyis an appropriate and cost-effective source of electricityfor many applications, bringing basic services andfacilit
Nuclear power plants are equipped with a hardened containment venting system and a filtered containment venting system to avoid a primary containment vessel (PCV) break by over-pressurization.Considering the gas release from these venting systems, it is desirable to delay venting start time or to avoid operation of the systems by ensuring sufficien
One of the most important issues in inventory control is determination of the Cheyenne Hawk Craft Cartridges reorder point.Defining parameters of this point are usually in forms of crisp or probability.In this article the parameters are considered as fuzzy numbers because of ambiguities in the real world.Then reorder point value is calculated using
Introduction The COVID-19 pandemic has disproportionately affected patients with severe mental illness (SMI), a vulnerable population with high morbidity and mortality.A UK-based study found reduced vaccination rates in patients with SMI; they therefore need to be prioritised for prevention and disease management.Objectives The objectives were to d