نتایج جستجو برای: lithogeochemical exploration
تعداد نتایج: 84110 فیلتر نتایج به سال:
In a wide range of recommendation systems, self-interested individuals (“agents”) make decisions over time, using information revealed by other agents in the past, and producing that may help future. Each agent would like to exploit best action given current but prefer previous explore various alternatives collect information. A social planner, means well-designed policy, can incentivize balanc...
This study aims to evaluate the status of Iranian gas industry and to formulate appropriate policies in order to attain the objectives of Iran’s Vision 2025. A dynamic model including exploration, production, consumption and demand sub-systems is designed based on the system dynamics approach and is simulated for the period 2010-2025. In this model, factors affecting natural gas exploration, de...
introduction: otosclerosis is a disease of bony labyrinth. structural changes in the labyrinth often cause ossicular fixation, and thus conductive hearing loss. the purpose of this study was to evaluate middle ear exploration findings and frequency of ossicular and footplate area anomalies in patients with suspected otosclerosis referred to amiralmomenin and golsar hospitals in rasht, iran. m...
in this paper an indirect method is presented to detect potential geothermal sites in kerman province, southeast iran. geothermal heat flux is one of the main parameters to be investigated in geothermal exploration programs. however, few direct heat flux measurements are available for iran. given the proved relation between curie depths and heat flux, magnetic data can be used to calculate the ...
abstract— in this paper we have tried to develop an altered version of the artificial bee colony algorithm which is inspired from and combined with the meta-heuristic algorithm of firefly. in this method, we have tried to change the main equation of searching within the original abc algorithm. on this basis, a new combined equation was used for steps of employed bees and onlooker bees. for this...
the increasing diversity in packet-processing applications together with the rapid increase in channel bandwidth has brought about greater complexity in communication protocols. also influenced by these factors is the computational load for packet-processing engines, demanding high performance microprocessor designs as an indispensable solution. this paper reports on extensive simulation experi...
the main problem associated with the traditional approach to image classification for the mapping of hydrothermal alteration is that materials not associated with hydrothermal alteration may be erroneously classified as hydrothermally altered due to the similar spectral properties of altered and unaltered minerals. the major objective of this paper is to investigate the potential of a neuro-fuz...
conclusions io-pth levels should become normal or to drop by at least 80% during successful parathyroidectomy. persistent elevations of io-pth after resection of an abnormal gland dictate the need for bilateral exploration. background we hypothesized that io-pth levels would decline to normal or near normal after successful parathyroidectomy. objectives evaluate efficacy and predictive factor o...
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