hydatid disease is a rare parasitic disease, which mainly involves liver then lung tissues. cardiac involvement is very rare, especially when there is not hepatic involvement. we describe a 47-year-old woman with a history of a lung hydatid cyst who was referred to rajaei heart center, tehran, iran in 2012. her chest computed tomographic scan showed a cardiac mass. echocardiographic examination...

In this paper, we present new types of web information services, where users and information brokers collaborate in creating a information service. Such services impose a novel task on information brokers: they become responsible for maintaining the inference strategies used in user modeling. In return, information brokers obtain more accurate information about user needs, since the adaptivity ...

We explore how intra-household bargaining determines human capital investment through a randomised controlled trial that taught girls negotiation skills. We first study the effects of the negotiation training using a lab-in-the-field investment game that simulates parents’ educational investment decisions: negotiation improves outcomes for daughters when they can communicate with their parents,...

background considering patients’ needs and expectations in the process of healthcare delivery improves the quality of services. this study aimed to investigate the responsiveness of general public and private hospitals in mashhad, iran.   methods in this cross-sectional and explanatory study, hospitalized patients (with at least 2 days of stay) in general private and public hospitals in mashhad...

Emphasis on sustainable agriculture in Iran like the other developing countries, is responsedto the adverse environmental and economic impacts of conventional agriculture. Thisproblem, particularly about “greenhouse production” is considerable. The perceptions ofgreenhouse owners about the environmental, economical and social aspects of sustainableagriculture was discussed in this article. The ...

There is the work by Bridges et al (1999) on the key features of a constructive proof of the implicit function theorem, including some applications to physics and mechanics. For mixtures of logistic distributions such information is lacking, although a special instance of the implicit function theorem prevails therein. The theorem is needed to see that the ridgeline function, which carries info...

We consider two ways of thinking about negation: (i) as a form of complementation (the negation of a proposition p holds exactly in those situations in which p fails), and (ii) as an operation of reversal, or inversion (to deny that p is to say that things are the other way around). These two conceptions are significantly different. But whereas a variety of techniques exist to model the intuiti...