نتایج جستجو برای: its implementation faces with some difficulties

تعداد نتایج: 10300175  

P. Mokhtary , S. M. Hosseini ,

In this paper we try to put different practical aspects of the general linear methods discussed in the papers [1,6,7] under one algorithm to show more details of its implementation. With a proposed initial step size strategy this algorithm shows a better performance in some problems. To illustrate the efficiency of the method we consider some standard test problems and report more useful detail...

, ,

New energy technologies, along with the benefits, are associated with challenges and Difficulties. Geothermal energy as one of the renewable energies is a clean and sustainable energy source, yet its development still has some impact on the environment such as: greenhouse gas emissions, noise pollution, surface and groundwater contamination, subsidence, and seismicity. This paper provides a bri...

Journal: :Neuroreport 2012
Owen Churches Cara Damiano Simon Baron-Cohen Howard Ring

Social difficulties form a part of the canonical description of autism spectrum conditions (ASC), and the development of familiarity with new faces is a key ability required to navigate the social world. Here, we investigated the acquisition of new face representations in ASC by analysing the N170 and N250 event-related potential components induced by a previously unfamiliar face that was embed...

2011
Adriane Arteche Jutta Joormann Allison Harvey Michelle Craske Ian H. Gotlib Annukka Lehtonen Nicholas Counsell Alan Stein

BACKGROUND Postnatally depressed mothers have difficulties responding appropriately to their infants. The quality of the mother-child relationship depends on a mother's ability to respond to her infant's cues, which are largely non-verbal. Therefore, it is likely that difficulties in a mother's appraisal of her infants' facial expressions will affect the quality of mother-infant interaction. Th...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و علوم انسانی 1389

abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...

1995
Rajesh P. N. Rao Dana H. Ballard

Recent work regarding the statistics of natural images has revealed that the dominant eigenvectors of arbitrary natural images closely approximate various oriented derivative-of-Gaussian functions; these functions have also been shown to provide the best fit to the receptive field profiles of cells in the primate striate cortex. We propose a scheme for expression-invariant face recognition that...

2001
R. H. Bracewell K. Shea

The UK DTI/EPSRC 1999 workshop on “Future Issues for Design Research” [1] highlighted the need for better integration and evaluation of computational design support tools resulting from fundamental design method research. Widespread anecdotal evidence and substantial first hand experience and observation, suggest that practical software implementation difficulties are the major cause of this ac...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

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