wheat production with the least use of chemical inputs is an important goal of modern farming to decrease of negative effects of the use of chemical inputs. this paper has estimated the virtual profit of organic wheat in transition period using a cross sectional data of 453 wheat producers of khorasan razavi province during 2007. a model introduced to this objective so that it has ability of es...

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purpose: to assess various aspects of integrating a virtual reality (vr) simulator in the training of ophthalmology residents methods: in this qualitative study, some aspects of the vr eyesi simulator as a health technology were assessed. data was collected using a multiple-choice questionnaire and several deep interviews addressed to users and administrators of simulator training. face and con...

e-learning as an educational approach has been adopted by diverse educational and academic centers worldwide as it facilitates learning in facing the challenges of the new era in education. considering the significance of virtual education and its growing practice, it is of vital importance to examine its components for promoting and maintaining success. this analytical cross-sectional study wa...

conclusion vttq can sensitively detect the elasticity changes in patients with ckd, and it can effectively predict renal insufficiency. this technology provides a valuable tool for the assessment of ckd. patients and methods sixty-five patients with ckd and seventy healthy participants were included in this study. a total of 270 kidneys were examined by vttq. the kidney elasticity was expressed...

as technology scales deep into the nanometer regime, on-chip communication becomes more susceptible to transient noise sources, such as crosstalk, external radiation, and spurious voltage spikes. the network on chip s modularity and reusability has brought about the use of error control methods to address transient errors in network on chip links.in this work, we design a fault tolerance router...

background: in-service training courses are one of the most available programs that are used to improve the quantity and quality level of the staff services in various organizations, including libraries and information centers. with the advent of new technologies in the field of education, the problems and shortcomings of traditional in-service training courses were replaced with virtual ones. ...