As Director of the Office of Scientific Research and Development, Dr. Vannevar Bush has coordinated the activities of some six thousand leading American scientists in the application of science to warfare. In this significant article he holds up an incentive for scientists when the fighting has ceased. He urges that men of science should then turn to the massive task of making more accessible o...

there is a doubt about pledge of intellectual property rights in considering of articles 774 and 772 of iranian civil code. the principal goal of this paper is the reforming study of the roots of these articles.in the first chapter, we argue that is it feasible to pledge intangible things? and in the second one, we suggest some solutions for their delivery.

we will argue that the common practice in the literature of giving a long list of senses for spatial prepositions, implying that they are unrelated to one another is not adequate. the more adequate way is presenting a network of related senses based on a prototype. also, speaking specifically about persian preposition /d?r/, we will argue that the meanings of spatial prepositions arise as a con...