Background and Aim: Occupational exposure to noise in the workplaces is a significant health problem and cardiovascular disease is one of the most important and common non-communicable diseases and one of the main causes of premature death. In addition to hearing impairments, noise as a stressor may cause cardiovascular problems, high blood pressure, nerve stimulation, stress and hormonal dis...

Cardiovascular diseases remain the leading cause of death worldwide. In spite of major efforts in medical and surgical interventions, deaths from cardiovascular diseases remain unacceptably high, warranting novel strategies for more effective treatments. To improve cardiovascular diseases therapy, novel drug delivery systems such as nanoparticles, which can control drug biodistribution and spec...

abstract this study examines the relationship between reading anxiety and difficulty of texts as well as the relationship between reading anxiety and students perceived difficulty of the texts. since difficulty is a relative concept, i limited its definition by sticking to the readability formula. we also took students perceived difficulty levels into account. therefore, in the present study, ...

in chapter one we will describe definitions and preliminary results to provide the global context of our own results to be presented in detail in the subsequent chapters in chapter two we consider degree-one maps of the circle and we study their rotation set. our main result in this chapter says that if the map is topologically mixing then its rotation interval is nontrivial (that is, not reduc...