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تعداد نتایج: 6082601 فیلتر نتایج به سال:
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
Despite the apparent advantages offered by formal methods, industry has been very slow to take on the techniques involved. This paper attributes some of this reticence to a lack of clear guidance on where and how formal methods fit into the software engineering process. The paper distinguishes between formal methods techniques for modelling and reasoning about systems mathematically and a forma...
A central concern in neo-institutional research is the genesis of new organizational fields. This article explores the emergence of the MPB (Brazilian Popular Music) field in tandem with the organization of music festivals in the sixties. The festivals were instrumental in combining musicians, critics and the audience in a forum relatively buffered from the music industry influence. This intera...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...
The preparation effect in task switching is usually interpreted to mean that a switching process makes use of the interval between task-cue onset and trial-stimulus onset (the cue-stimulus interval, or CSI) to accomplish some of its work ahead of time. This study undermines the empirical basis for this interpretation and suggests that task activation, not task switching, is the functional proce...
Modi Chetna D. 83 Ph. D. Thesis 3.3. Review of work done on Methotrexate Laxmi et al. 52 showed the preparation of niosomal MTX in chitosan gel and test the same of irritation and sensitization on healthy human volunteers and also comparing its efficacy with a marketed MTX gel in the treatment of localized psoriasis. Results showed that no significant irritation and sensitization is produced fr...
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...
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