Kharazmi University

About: Kharazmi University is a education organization based out in Tehran, Iran. It is known for research contribution in the topics: Membrane & Supply chain. The organization has 3395 authors who have published 5321 publications receiving 45645 citations. The organization is also known as: Tarbiat Moallem University of Tehran & Teacher Training University.

The effects of using treated wastewater on the fracture toughness of the concrete

Abstract: Evaluating the effects of using new water sources on the mechanical properties of concrete is an important issue that should be considered in practical projects such as dam construction and tunnell...

A Review of Selected Factors Affecting Gait Symmetry

Abstract: Conclusion: A review of the previous studies shows that walking in normal people is asymmetric in terms of the lower limb function. Also, limb disorder due to the illness and or disorder creates gait asymmetry. Therefore, regaining perfect symmetry or decreasing gait asymmetry by exercise and intervention in such individuals is considered a method to examine the success of rehabilitation process. However, as factors like movement speed and age can affect gait asymmetry, they should be controlled during the examination of gait asymmetry. Moreover, this information could be useful for gait assessment, clinical prescriptions for patients with abnormalities, designing orthosis and prosthesis, as well as improving the performance of athletes. A B S T R A C T

Local Features with Large Spiky non-Gaussianities during Inflation

Abstract: We provide a dynamical mechanism to generate localized features during inflation. The local feature is due to a sharp waterfall phase transition which is coupled to the inflaton field. The key effect is the contributions of waterfall quantum fluctuations which induce a sharp peak on the curvature perturbation which can be as large as the background curvature perturbation from inflaton field. Due to non-Gaussian nature of waterfall quantum fluctuations a large spike non-Gaussianity is produced which is narrowly peaked at modes which leave the Hubble radius at the time of phase transition. The large localized peaks in power spectrum and bispectrum can have interesting consequences on CMB anisotropies.

Academic burnout, shame, intrinsic motivation and teacher affective support among Iranian EFL learners: A structural equation modeling approach

Abstract: The present study was an attempt to test a hypothesized educational psychology model investigating the relationship among perceived teacher affective support, intrinsic motivation, shame emotion and academic burnout among Iranian EFL (English as a foreign language) learners. To this end, 306 EFL learners were conveniently sampled, and were asked to complete relevant questionnaires. SPSS was used for tabulating the data and running descriptive statistics, and Confirmatory Factor Analysis was conducted to assure the construct validity of the questionnaires used. A Structural Equation Model (SEM) was hypothesized and tested through AMOS program with maximum likelihood estimation. The SEM analysis indicated that the final model had acceptable fit to the data set. The significant standard coefficients of the drawn paths showed that teacher affective support, intrinsic motivation and shame directly predicted academic burnout. In addition, teacher affective support exerted indirect effect on academic burnout through the mediation of intrinsic motivation and shame. Implications are discussed and suggestions are provided for future research.