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...

objective(s): lupus nephritis (ln) is the main cause of mortality and disability in systemic lupus erythematosus (sle) patients. therefore, utilizing a reliable and non-invasive method for serial measurements of renal function seems to be necessary. the aim of this study was to evaluate the role of urinary lipocalin-2 as a biomarker of renal involvement in sle patients.   materials and methods:...

In this research, effect of bicomponent mixed surfactant was studied on drop interface coalescence phenomenon in ambient temperature. First basic chemical system was water and toluene and 0.01 gr of sodium dodecyle sulfate (SDS) and the second basic system was water and toluene and 0.01 gr of cethyl trimethy amonium bromide (CTAB). Various weight fractions of second surfactant including 2-hepta...

the importance of iranian ancient as architectural heritage have to competent international prestige a nd respect due this is important with regard to proper conservation met hods based on non-destructive evaluation methods and non-contact testing providing enough accuracy and speed to bri ng performance to stabilize while correct location and age value of valuable architectural aspect of quant...

Common algorithms for sentence and word-alignment allow the automatic identification of word translations from parallel texts. This study suggests that the identification of word translations should also be possible with non-parallel and even unrelated texts. The method proposed is based on the assumption that there is a correlation between the patterns of word cooccurrences in texts of differe...

The identification of basic emotions (anger, disgust, fear, happiness, sadness and surprise) has been studied widely from pictures of facial expressions. Until recently, the role of dynamic information in identifying facial emotions has received little attention. There is evidence that dynamics improves the identification of basic emotions from synthetic (computer-animated) facial expressions [...

introduction: neglecting to define important criteria in developing a basic health insurance package and to notice their real roles will result in defining a package which is politically unacceptable, non-economical, technically inefficient or mixed of them. therefore development of basic health insurance package should be according to appropriate composition of influential criteria. this study...

Errami and Garner published in the January 24, 2008 issue of Nature an article entitled “A Tale of Two Citations” that deals with the timely subject of publication of duplicate papers (1 ). With the increase in the number of scientific journals and the ongoing pressure to publish in them, inappropriate and unethical practices such as plagiarism, unauthorized “cosubmission” of a paper to two or ...