Showing 7 results for Ghorbanian
Volume 5, Issue 18 (Summer 2012)
Abstract
One of the significant elements in the formation of narrative structure is the sequence of its events which is explored under the umbrella term of temporal element. Abbas Maroufi’s novel Peykar-e farhadis a work in which real and imaginative times are what narrative is based upon. The novelist relates, in the novel’s surface structure, one single story in three different temporal frames, yet breaks the narrative linearity, so that for the most part the existing relations and temporal order of events remain obscure and, consequently, time, losing its quantitative value, fades away in the narrative. The current paper attempts to survey the order of events and narrative temporality in addition to studying how the author, by deploying some features of stream of consciousness, has narrated the mental structure as well as confusion of the novel’s female character. These features range from temporal and spatial turbulence, free association, author’s textual removal, and assigning a role to the reader in narration act due to direct displaying of disturbed subjectivities as well as uncensored stream-of-consciousness memories—being the same as pre-lingual mental layers—to utilizing internal monologue and soliloquy in some parts of the story, poeticness, mental obscurity and difficulty of finding the decisively right meaning for the novel with the purpose of developing a particular narrative technique.
Volume 9, Issue 4 (12-2023)
Abstract
Risk assessment is utilized to prioritize preventive measures based on the probability of dispersal success of pests. A main part of the risk assessment procedure is to determine the effects of environmental variables on the current and potential geographical distributions. In the present study, the spatial distribution of the Mediterranean pine engraver, Orthotomicus erosus (Wollaston), was mapped and predicted using MaxEnt. Presence records of O. erosus (north, northeast, west and centre of Iran), environmental and topographic variables, with the lowest correlations among themselves and the highest effects on the pest distribution were used. A total of 76 presence records of O. erosus were collected. The results of the distribution prediction modelling revealed that the northern part of Iran and the areas along the Zagros are the most suitable habitats for this species. Examining environmental variable importance on the distribution of O. erosus showed that the variables related to temperature and precipitation had more contribution in the MaxEnt model, respectively than the altitude. Furthermore, the high accuracy of the model (0.928) indicated that the MaxEnt had an acceptable performance for the prediction of O. erosus distribution. These findings would provide primary and critical information about the potential distribution of O. erosus in Iran, which could be effective for the stable population regulation of this destructive pest.
Volume 11, Issue 44 (Winter 2018)
Abstract
This essay aims to explore the drawbacks and fundamental deficiencies of studies that claim to apply or discuss the concept of defamiliarization in the realm of Persian language through a critical analysis of published academic research articles. A review of 30 articles published in prestigious Iranian journals during the period of 1996 to 2016 illustrates that many researchers in Iran have serious misperceptions regarding the concept of defamiliarization.
These common misconceptions in appreciation and application of the term defamiliarization can be categorized as follows: 1) disregard for the methodological principles of the Russians formalists; 2) presentation of concocted definitions of defamiliarization, and 3) confusion of the concept of defamiliarization with similar terms, in particular reducing it to the basic and traditional principles of rhetoric. On the one hand, these drawbacks have given rise to a plethora of studies that intend to examine truisms and on the other hand, it has reduced this concept to a mere embellishment in academic circles. As a consequence, a fertile ground has been prepared for researchers to churn out articles that disseminate analogous misconceptions in this area.
Volume 13, Issue 55 (9-2015)
Abstract
The effect of xanthan gum (0-0.3%) on corn oil-in-water (pH=7) emulsions prepaired by 0.5% grass pea (Lathyrus sativus) protein isolate was studied. Particle size, PDI, zeta-potential, emulsion capacity, emulsion stability and creaming index of emulsions were measured inorder to find the effect of xanthan gum on the stability of emulsion. Results showed that increasing concentrations of gum caused depletion flocculation and thus increased the particle size but had no significant effect on the zeta potential. Study on creaming index, emulsion capacity and stability also showed that with increasing xanthan gum, emulsion capacity and stability increased, while, creaming index decreased. Therefore, after 28 days of storage at 4˚C, no changes were observed in the emulsions containing xanthan gum.
Behruz Shahriari, Mohammad Taghi Ahmadian, Vahid Ghorbanian Kerdabadi,
Volume 16, Issue 11 (1-2017)
Abstract
As regards to daily developments in technology, applications of carbon nano tubes (CNTs) in manufacturing of many devices and equipment are widely promoted. Many sensors, nanomachines, and enhancement of oil, petrochemical and aerospace technologies are some of CNTs applications. With regard to importance and a wide range of these applications, recognition and investigation of CNTs behavior is extremely significant. CNTs have a little curvature naturally, hence they are predominantly subjected to different transverse loads. In this research, based on nonlocal elasticity theory, possibility of snap_through and bifurcation behaviors of arch shaped CNTs due to sinusoidal load distribution and on elastic foundation, are investigated and corresponding graphs are plotted. To obtain buckling critical loads, essential stability equations are derived. Finally the results of classic theory are compared with the results of nonlocal theory and it is indicated that the dimensionless scale parameter(λ), has a key effect on possibility of happening of the buckling and its type. According to the results and plotted graphs, in most cases, increase in dimensionless scale parameter(λ) has leaded to increase the possibility of bifurcation phenomena and some other cases, helped to transition from snap_through to bifurcation, meaning that the possibility of happening of the snap_through phenomena has been declined.
Iman Bahman Jahromi, Kaveh Ghorbanian, Mohammad Ebrahimi,
Volume 17, Issue 2 (3-2017)
Abstract
The far-field acoustic signature of this transient impinging jet is experimentally investigated in this study. Feedback loop mechanism which is an acoustic resonance mode generated by the reflection of jet shear layer noise from the impinging plate and affecting jet mixing shear layer, is also investigated. The stagnation temperature of jet is increased by means of a reflected type shock tube up to 950 (K). A convergent-divergent nozzle generates jet with Mach number of 1.4. The far-field mixing layer noise of this quasi-steady free jet is compared by the results of steady state generated ones. The acoustic signal of this transient jet is investigated when impinges to a normal plate. It is seen that every specific phenomenon has its most powerful acoustic signature at a distinct angle relative to the impingement point. The time-frequency investigations by the means of wavelet transform and related scalograms reveal that the sound wave generated by feedback loop mechanism is tonal and continuous in time compared to the acoustic signals of the jet shear layer that are seen as the intermittent acoustic events in the far-field acoustic scalograms.
Volume 28, Issue 1 (1-2021)
Abstract
Davison has two famous articles against conventionalism. The core of his argument is to scrutinize erroneous but successful conversations which happen in language occasionally and conventional meaning cannot explain how the speaker and the listener understand each other in these cases. However, his premises are not clear and it makes it difficult to study and criticize his main point. We believe there are at least five premises such as: 1) The listener comprehends the words the speaker has said in their conventional meaning; 2) If the conversation is successful then the listener has understood the words and sentences in their general first meaning; 3) Sometimes the conversation is successful although there are some misuse of words; 4) In these cases the conventional meaning is not the same as general first meaning; 5) If the listener comprehends the words in their general first meaning, then he has not in his mind their conventional meaning; so (Conclusion) conventionalism is not acceptable. We claim that we can save the conventionalism by analyzing these premises and pointing out that users of a language can have several meanings of a word in their mind and choose between them according to hints and backgrounds. Besides, conventional theory of meaning can accept new and different uses of words that have already been used in some old fashion ways, and in addition, special cases occur rarely in everyday use of linguistic expressions. So, opposing Davidson, we have sound grounds to keep conventionalism.
