Background: The risk of cardiovascular diseases increases in relation with age and physical inactivity. However, there is limited data about the importance of each factor. Thus, the present study has examined the association of physical activity level (PA) and age with chest pain signs and blood pressures in patients with heart failure. Materials and methods: Totally, 299 patients with heart f...

a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...