it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

An experiment was carried out to compare the vase life and factors affecting the longevity of 10 cut rose cultivars imported to Iran. The vase lives of these cut rose cultivars were compared in preservative solution containing hydroxyquinoline citrate (HQC) plus sucrose. Results showed that there was significant difference among cultivars in vase life, time of flowering, water uptake, evaporati...

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

assigning premium to the insurance contract in iran mostly has based on some old rules have been authorized by government, in such a situation predicting premium by analyzing database and it’s characteristics will be definitely such a big mistake. therefore the most beneficial information one can gathered from these data is the amount of loss happens during one contract to predicting insurance ...

Alstroemeria is one of the most beautiful cut flowers in the world that has allocated major part of cut flowers exports to itself. One of the main problems in the trade this flowers is a premature yellowing of the foliage. Therefore, the present study was designed to investigate increasing the vase life and delay of leaf yellowing Alstroemeria cut flowers cultivar "Fortaleza". The experiment wa...