science education
1. Genetic Algorithm Applied to Cut Sequencing for Sheet Metal Cutting

M. Kazerooni; G. Azami Rod

Volume 3, Issue 4 , Autumn 2019, , Pages 307-315

http://dx.doi.org/10.22061/tej.2009.1337

Abstract
  During the press working process of the shearing progressive die, the position of the die's pressure center has a direct impact on whether the die can work accurately in balance. If the shearing progressive die suffers from being off-center the area close to the product edge may have a burr. This paper ...  Read More

science education
2. An analytic review on blended learning effects on students achievements in learning science

Z. Khoshneshin

Volume 12, Issue 3 , Summer 2018, , Pages 231-238

http://dx.doi.org/10.22061/jte.2018.3275.1834

Abstract
  Background and Objectives:The world of communication in the third wave of communication approaches has brought a new way of life in the form of new tools, which has led to it being called the electronic hut. Rapid developments resulting from the application of technology, including productive technology ...  Read More

science education
3. A New Approach to Environmental Education for Kids in Mashhad

H. Meiboudi; S.M. Shobeiri; R. Arjmandi; F. Babaei Semiromi

Volume 8, Issue 4 , Autumn 2015, , Pages 297-307

http://dx.doi.org/10.22061/tej.2014.14

Abstract
  The attitude and values for preserving and supporting the environment shape at an early age. This paper, using the way of analyzing the visual concept has studied mural paintings of Mashhad kindergartens. Statistical universe of this research includes total kindergartens of Mashhad city which totals ...  Read More

science education
4. Theoretical and experimental training of nonlinear error separation in measurement systems

S. Olyaee; S. Hamedi

Volume 5, Issue 4 , Autumn 2012, , Pages 229-239

http://dx.doi.org/10.22061/tej.2011.227

Abstract
  Surveying and identifying objectives are the first step to be taken in engineering educational programming, so that if carried out properly, a more objective basis for correlating educations with organizational needs will be achievable. In this article it is aimed to that using comparative- surveying ...  Read More

science education
5. The Perspective of Creativity in the Process of Learning Mathematics

M. Nadjafikhah; N. Yaftian; S. Bakhshalizadeh

Volume 5, Issue 3 , Summer 2012, , Pages 145-158

http://dx.doi.org/10.22061/tej.2011.233

Abstract
  Mathematical creativity is often considered as a mysterious phenomenon. Most mathematicians seem to be not interested in analyzing their own thinking processes and do not describe how they work or conceive their theories. One of the goals of this paper, which is based on research findings from contemporary ...  Read More

science education
6. The Effectiveness Examination of Using Analogies as a Teaching Methodology in the Complicated Concepts Learning

A.A. Motiebirjandi; J. Hatami; V.A. Fekri

Volume 5, Issue 3 , Summer 2012, , Pages 167-179

http://dx.doi.org/10.22061/tej.2011.277

Abstract
  The purpose of this research is to examine the effectiveness of using analogies as a teaching methodology in the learning of complicated concepts for high school courses of electrical circuits. For this purpose, using random clustering method of sampling, a population of 44 people was selected from the ...  Read More

science education
7. Learning Abstract Concepts of Modern Physics Applied Laser Areas to Help

M. Kaboudvand; A. Esmaeelpour; A. Badriyan; M. Shams

Volume 4, Issue 4 , Autumn 2010, , Pages 277-285

http://dx.doi.org/10.22061/tej.2010.320

Abstract
  The focus of this study was to clarify the degree of relationship between field Transfer of Learning by means of application in the modern physics (laser) and common field. To achieve this goal an intact group of 85 students in introductory level college in Shahreray zone in Tehran in Iran participated ...  Read More

science education
8. ESP Teachers’ Pedagogical Agenda vs. University Students’ Educational Ambitions: A Needs Analysis Project

S. Shamsaee; M.A. Shams

Volume 4, Issue 3 , Summer 2010, , Pages 159-165

http://dx.doi.org/10.22061/tej.2010.1352

Abstract
  The aim of this research is to investigate the relationship between English for Specific Purposes (ESP) teachers and students’ attitude toward learning needs and teaching activities. Mismatch between teachers and students’ expectations from ESP courses can result in undesired outcomes. In ...  Read More

science education
9. Linear stability analysis of two-dimensional boundary layer flow using spectral method

M.J. Maghrebi; M. Feyzabadi Farahani; A. Zarghami

Volume 1, Issue 3 , Summer 2007, , Pages 127-136

http://dx.doi.org/10.22061/tej.2007.1266

Abstract
  Theories of linear stability, reinforcement, or degradation of small disturbances examine the velocity applied to the average velocity of the flow. When the boundary layer flow expands linearly in the early stages of its development, the input boundary conditions of the computational domain are determined ...  Read More

science education
10. Three-phase synchronous hysteresis motor control with separation The variables d and q

Z. Nasiri Gheydari; H, Lesani; A. Darabi; F. Totonchian

Volume 1, Issue 3 , Summer 2007, , Pages 137-150

http://dx.doi.org/10.22061/tej.2007.1267

Abstract
  The use of a hysteresis motor in precision systems, such as inertial navigation and video recorders, requires rapid dynamics and precise control of the motor. The control system is a closed loop control system that speeds up the system's response speed, and in fact using it, alternating current motors ...  Read More

science education
11. Investigate and measure the angular accuracy of ML, MUSIC, Root-MUSIC algorithms and spatial smoothing in signal detection

S. Shirvani Moghadam; M. Jalali; H. Aminollahi

Volume 1, Issue 3 , Summer 2007, , Pages 159-166

http://dx.doi.org/10.22061/tej.2007.1269

Abstract
  In this paper, we first simulate ML, MUSIC, Root-MUSIC algorithms and space smoothing in noisy and fiddling environments, and then these algorithms are compared in terms of estimating the accuracy of the angles received from the two sources. By presenting the simulation results of four algorithms in ...  Read More

science education
12. knots geometry and its training in school

E. Reyhani

Volume 1, Issue 3 , Summer 2007, , Pages 167-178

http://dx.doi.org/10.22061/tej.2007.1270

Abstract
  Euclidean geometry has been taught to students in schools for many years. Topological structures are among the topics that have not received much attention in school geometry. The knot is one of the most suitable topics for teaching in school, which has a topological structure. In addition to being rooted ...  Read More

science education
13. Comparison of TOF, FMCW and Phase-Shift Laser Range-Finding Methods by Simulation and Measurement

S. Olyaee; S. Mohammad Nejad

Volume 1, special issue , Autumn 2006, , Pages 51-58

http://dx.doi.org/10.22061/tej.2006.1236

Abstract
  Since 1970s the use of laser based range-finders has become a necessary part of many military and domestic systems. According to the needs and the circumstances, many different types of such systems have been developed and their technologies are adapted to the local needs. Distance or displacement measurement ...  Read More