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in this research,the authors conducted a study comparing two groups of male and female english language learners studying in a elt institute,in terms of their performance on their achievement test including listening comprehension,vocabulary,grammar,and reading comprehension and found no significant difference between the group except in listening comprehension part of the test in which the f...
bekenstein and hawking by introducing temperature and every black hole has entropy and using the first law of thermodynamic for black holes showed that this entropy changes with the event horizon surface. bekenstein and hawking entropy equation is valid for the black holes obeying einstein general relativity theory. however, from one side einstein relativity in some cases fails to explain expe...
The aim of this study was to produce hand sterilizing liquid and wet wipes with the extracts of Calendula officinalis. Since this plant has well known antimicrobial activity due to its phytochemical constituents, the increase in the extraction yield was chosen as the principle part of the production process. To achieve the maximum yield, parameters of solid-to-liquid ratio, extraction temperatu...
Correction for 'Versatile strategy for the divergent synthesis of linear oligosaccharide domain variants of Quillaja saponin vaccine adjuvants' by Alberto Fernández-Tejada et al., Chem. Commun., 2015, DOI: 10.1039/c5cc05244k.
Hydrate and anhydrate crystal structure prediction (CSP) of creatine (CTN), a heavily used, badly water soluble, zwitterionic compound, has enabled the finding and characterization of its anhydrate polymorphs, including the thermodynamic room temperature form. Crystal structures of the novel forms were determined by combining laboratory powder X-ray diffraction data and ab initio generated stru...
anvari is a great iranian poet whose poetry has influenced both his contemporary and subsequent poets. his divan has been published several times in iran and india. the two recensions made in iran have received widespread public acceptance. it was first saeed nafisi who gathered anvari’s poems and later mohammad taghi modarres razavi corrected his divan. however, both editions reveal some error...
while performance-based language assessment has led to an increased authenticity and content validity in the practice of writing assessment, the reliability of ratings has become a major issue. research findings have shown different reactions by native english speaker (nes) and non-native english speaker (nns) teachers to students’ writings. the focus of this study is on investigating whether i...
the present study was an attempt to determine the types of motivation and levels of foreign language learning anxiety among efl students studying at azad and state universities in kermanshah and to determine the relationship between these two factors and language proficiency and gender. to this end, the foreign language learning motivation scale, by deci and ryan )1985(, were administered to 12...
In this issue of Neuron, Younts et al. (2016) demonstrate that activation of presynaptic CB1 receptors by retrograde endocannabinoid signaling stimulates protein synthesis in axon terminals to induce long-term depression of hippocampal inhibitory transmission.
Aims. We study the properties and nature of extremely red galaxies (ERO, R−K ≥5.6) found behind two lensing clusters and compare them with other known galaxy populations. Methods. New HST/ACS observations, Spitzer IRAC and MIPS, and Chandra/ACIS observations of the two lensing clusters Abell 1835 and AC114 contemplate our earlier optical and near-IR observations (Richard et al. 2006) and have b...
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