electrical steels are important alloys widely used in electrical instruments. the magnetic properties and low core loss of grain oriented silicon steels are closely related to the sharpness of goss texture ({110} ).the direction of is the softest direction for magnetism.  in this work, the microstructure and dependence of orientation density along the major texture fibers on the applied cold ro...

The evolution of studies of political parties of constitution: The first and second periods show that the evolution of parties indicates that researchers' attitude to political pheno-mena also coincide with the evolution of political realities has been transformed, and the consideration of ideologies in the analysis of the parties have replaced with religious perspectives and anti-authoritarian...

lots of viruses, in particular rna viruses, have high mutation rates and relatively short generation times. particle stability during infection in nature or in laboratory triggers the evolutionary event toward different mechanisms such as genome segmentation, point mutation and  recombination. the frequency of mutant genomes increase and modify  the previous distribution, which, consequently, l...

this study was a contrastive analysis of the evolution of english and persian advertising slogans to investigate their similarities/differences in using rhetorical figures, and the evolution in the use of these figures in the slogans of each language. thus, 800 persian and english slogans from the last four decades were collected. lapsanka's framework (2006) including different aspects with som...

Echocardiography is a non-invasive diagnostic technique which provides information on cardiac morphology, function, and hemodynamics. It is the most frequently used cardiovascular diagnostic test only after electrocardiography. In less than five decades, the evolution in this technique has made it the basic part of cardiovascular medicine. Herein, the evolution of various forms of echocardiogra...

man's past condition is related to his present life and history means surveying the quality of the past activities whose traces remain in the present time. the main field of historical research is man's past life, the stages which have been put behind in the process of evolution and changes as well as progresses made in these stages. history is a means to provide human beings with a complete in...

the purpose of this research was to study the antimicrobial activities of the endophytic fungi from sesbania grandiflora (l.) pers. the endophytic fungi were isolated from branches and leaves of sesbania grandiflora (l.) pers., and sixty nine isolates were obtained. all isolates were screened for antibacterial and antifungal activities. the indicator organisms were 4 bacteria including staphylo...

the cement gland (cg) is a transient organ, found in most anuran embryos and early larvae and located normally on the front of the head. its sticky secretion allows newly hatched larvae to attach to the egg jelly or to another support later and remain hidden and stationary until feeding starts. our ultrastructural studies showed that prominence structure of the cg in some species exists, but is...

the present paper focused on the sociocultural explanations of rhetorical differences between english and persian and was based on the contrastive genre analysis of applied linguistics research article abstracts in these two languages. the evolutionary nature of research article abstracts was also investigated from 1985 to 2005, in three stages, with a time interval of 10 years. seventy eight r...