â â â  this paper attempts to investigate the relationship between 500hpa circulation patterns and weather types (coldest, warmest and raining) over 16 synoptic stations of mountainous region of iran. the mountainous region of iran covers about 670000 square kilometer (41 percent) of iran. in this paper have been investigated the relationship between circulation patterns in 500hpa level with we...

â â â â â  abstract: â  as the number of independent countries increases and their economies become more integrated, we would expect to observe more multi-country currency ::::union::::s. this paper explores the pros and cons for different countries to adopt as an anchor the us dollar, the euro or the yen. in addition, it addresses the question of how co-movement of outputs and prices would res...

â â â â â â  â  abstract â  outward-oriented economies seem to grow faster than inward-looking ones. does the literature on convergence have anything to say on this? in the dynamic heckscher-ohlin-samuelson model, with factor-price equalization, there is no convergence of incomes. this is because with identical preferences and return to capital, irrespective of initial levels the growth rates o...

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In this paper, we investigate compactly supported symmetric orthonormal dyadic complex wavelets such that the symmetric orthonormal refinable functions have high linear-phase moments and the antisymmetric wavelets have high vanishing moments. Such wavelets naturally lead to real-valued symmetric tight wavelet frames with some desirable moment properties, and are related to coiflets which are re...

Objectives—Occupational asthma is the principal cause of respiratory disease in the workplace. The enzymes phytase and â-glucanase are used in the agricultural industry to optimise the nutritional value of animal feeds. A relation between these enzymes and occupational asthma in a 43 year old man was suspected. Methods—Inhalation challenge tests were performed with the enzymes phytase, â-glucan...