background : since milk is considered as one of the most common foods in human life, this research aimed to evaluate the quality of milk produced in traditional and industrial dairy farms of yazd province in 2007.   materials and methods : in this descriptive study, six farms were selected in the cities sadoogh, yazd and mehriz and sampling was performed in each of them bimonthly throughout one...

The problem of de-industrialization has undergone a decisive transmutation in the past two decades, roughly from the moment when it was linked to proto-industrialization at the Budapest Economic History Conference in 1981.1 Also interacting with the remarkable efforts of Immanuel Wallerstein and his colleagues who dated the formation of a ‘‘world economic system’’ from the expansion of European...

The problem of de-industrialization has undergone a decisive transmutation in the past two decades, roughly from the moment when it was linked to proto-industrialization at the Budapest Economic History Conference in 1981.1 Also interacting with the remarkable efforts of Immanuel Wallerstein and his colleagues who dated the formation of a ‘‘world economic system’’ from the expansion of European...

concluded that social systems become more uniform and societies in general become more alike as they industrialize. While the convergence hypothesis has generated a good deal of discussion and controversy in the intervening fifteen years, reports of empirical tests of the concept have been limited. This paper summarizes such an attempt utilizing the techniques of cross-national research across ...

Our goal as education researchers is to make a difference. We want to help students learn better, or perhaps we want them to learn just as well but at lower cost to our institutions. Decades of research tell us that it is difficult to make a significant difference with technology. This is especially true if we are trying to do the same things. The true value of new technology comes when it perm...