earth dam is a structure as homogeneous or non-homogeneous forms for raising water level or water supply. earth dam consist of different parts that one of the main parts is clay core. choosing an optimal non permeable core which causes reduction of seepage through dam body and also being stable is necessary. the objective of this research is to optimize the geometry of earth dam clay core such ...

Air pollution is one of the major problems of Tehran metropolis. Regarding the fact that Tehran is surrounded by Alborz Mountains from three sides, the pollution due to the cars traffic and other polluting means causes the pollutants to be trapped in the city and have no exit without appropriate wind guff. Carbon monoxide (CO) is one of the most important sources of pollution in Tehran air. The...

BACKGROUND Participation and to stay in a health program depends on many factors. One of these programs is Needle Exchange Program (NEP) in prisons. OBJECTIVES The current study aimed to evaluate the retention of injecting drug prisoners and find the related factors in Iran. PATIENTS AND METHODS This cohort study analyzed data about injecting drug male prisoners who were participated in NEP...

This position paper addresses the long-standing criticism that the International Baccalaureate (IB) is too closely associated with Western values and, despite its title, does not enable students to see the world from a truly international perspective. Considering evidence from different authorities, it analyses the IB learner profile and asks how appropriate it is for the cultures of East Asia....

OBJECTIVES A community coalition compared the availability and cost of diabetes-healthy foods in a racial/ethnic minority neighborhood in East Harlem, with those in the adjacent, largely White and affluent Upper East Side in New York City. METHODS We documented which of 173 East Harlem and 152 Upper East Side grocery stores stocked 5 recommended foods. RESULTS Overall, 18% of East Harlem st...