introduction:  vasectomy is a simple and highly effective contraceptive method. comparing with tubectomy, vasectomy is much less likely to have serious complications, failure and costs. the knowledge and attitude play an important role in approving and using vasectomy. this study was designed and conducted in zahedan high schools in 2002, to investigate the knowledge and attitude of male and fe...

Decline in aquatic resource stocks, occurs for various reasons. Although regulations and measures have proven useful, they have failed to inhibit effectively the stock reduction trends. Iranian Fisheries Organization has carried out a great deal of investments and efforts concerning the enhancement of the Caspian Sea resource stocks through the restrictive regulations, and reproduction and rele...

Although virtual reality (VR) is a powerful simulation tool that can allow users to experience the effects of their actions in vivid and memorable ways, explorations of VR as a persuasive technology are rare. In this paper, we focus on different ways of providing negative feedback for persuasive purposes through simulated experiences in VR. The persuasive goal we consider concerns awareness of ...

Die Wartung und Weiterentwicklung von Software-Produktlinien stellen wegen des Umfangs und der angestrebten Nutzungsdauer herausfordernde Aufgaben dar. Die Zerlegung gemäß Separation of Concerns bildet ein grundlegendes Prinzip zur Verbesserung der Wartbarkeit eines Systems, weil es zu starker Kapselung und zu geringer Kopplung von Komponenten führt. Features stehen bei der Entwicklung von Prod...

introduction: tuberculosis (tb) is one of the most important causes of mortality and morbidity in developing countries and is responsible for about 25% of all preventable deaths. therefore we aimed to assess the knowledge and attitude towards tb among guidance school in rural areas of bandarabbas in 2010. methods and materials: in this cross sectional study our samples were selected using clust...