anatomical changes of the exposed roots in cupressus sempervirens l. var horizontalis were used toestimate soil erosion in hassan abad valley, chaloos, iran. a total of 30 exposed roots, for five trees,were used to estimate erosion. cross-sections of 20 μm were papered and the first year of exposure byerosion was identified. we finally estimated the mean annual erosion. the statistical relation...

background: cesarean section (c-section) in the north of iran accounts for 70% of childbirths, which is higher than the national average of 55%. understanding women’s perceptions towards modes of delivery in different cultures can pave the way for promoting programs and policies in support of vaginal delivery. we aimed to investigate women’s perceptions towards modes of delivery in the north of...

Background: Nowadays stored–product insect pests are controlled by pesticides and chemical fumigant compounds. The continueous use of chemical pesticides is harmful for non–target creatures specially humans and other mammals. Beside they polluted the environment. Objective: Accoring to the studies, the essential oil of Labiatae plants have insecticidal activity against some pests. In this st...

introduction: today, breast cancer is one of the most common causes of mortality and morbidty and also the leading health concern of the world. methods: this research was a descriptive study entitled knowledge, attitude and practice regarding prevention of breast cancer in working women of chaloos city. the sample size of study included 612 women working in governmental centers. the instrument ...

sod culture is one of the important methods in establishing and repairing of turf grass, especially in sport fields. nowadays, a mixture of sand and peat are commonly used in sod production in iran. because peat media is expensive, it seems necessary to find an alternative medium. rice hull, tea waste and leaf compost as economical organic material that are available in huge loads in north of i...