In gasoline engines, pre-chamber spark ignition systems are used to achieve high efficiency and low NOx emissions when operating under lean conditions. While a cold pre-chamber spark plug can lead to misfiring and flame quenching under cold start or part load operation, a hot pre-chamber can result in uncontrolled pre-ignition phenomena under full load operation. This paper presents an approach...

abstract the third millennium has started, but the world is facing with serious challenges in achieving international security and peace. various human rights violations have lead the states to find means to protect human rights. also article 55 of the united nations charter introduces the respect to human rights and fundamental freedom as the most suitable ways to realize peace and security. ...

Received: 19 Aug, 2015 Accepted: 22 Oct, 2015 Abstract Background & Aims: Obesity is one of the mental health problems in the world that have important risk factors for mental and physical health. Self-efficacy is an important component that plays critical role in reduction of women weight. This research aimed to investigate the effectiveness of cognitive-behavioral therapy on enhancing s...

Introduction: Family members of psychiatric patients often experience disabilities and experiences of distress, anxiety, depression, and economic problems. The purpose of this study was to determine the effect of group educational interventions on the anxiety of primary caregivers of patients with type I bipolar disorder for the first time. Methods: The present study was a clinical trial with ...

The purpose of the present study was to determine the effectiveness of psychodrama treatment on social anxiety of migrant adolescent girls. The research design was quasi-experimental with pre-test /post-test with control group. The statistical population consisted of all Afghan female students in two public schools in District 12 who were educated in the year 2018-19. 28 subjects were selected ...

The present study aimed at investigating The effect of teacher education strategies forgiveness On the Amount forgiveness and the social tolerance of male and female in the academic year 95-1394 Area 2 city of Zahedan. the study was experimental with pretest-posttest control group. A total of 80 people from four classes (two classes and two classes of boys and girls as experimental as the contr...