spectral decomposition is a powerful tool for analysis of seismic data. fourier transform determines the frequency contents of a signal. but for analysis of non-stationary signals, 1-d transform to frequency domain is not sufficient. in early years, transforming of seismic traces into time and frequency domain was done via windowed fourier transform, called a short time fourier transform (stft)...

the aim of this investigation is to compare the effect of applying two transcutaneous electrical nerve stimulation (tens) current with different frequencies (2 hz & 100 hz) on hoffmann reflex recorded from gastrosoleus muscle of healthy people. forty female subjects between 20 to 30 years of age were participated in this quasi-experimental design. twenty of them were exposed to the 100 hz curre...

radiology and imaging data of patient is the main and the most important data of the patient. not only it shows disease of patient, but also it is included of the body geometry such as 2d and 3d. gathering and saving of radiology images and data for different patients can be useful for future statistic studies. many questions like, how to, why, in which and etc can be answered by statistic meth...

results out of the 129 elderly participants, aged between 60-87 years (mean: 66.71 ± 6.21), males constituted 58.1% (n = 75) of patients and female were 41.9% (n = 54). normal variations of oral mucosa were observed in 62% (n = 80) of patients, while 44.2% (n = 57) had oral mucosal lesions. normal variations were significantly associated with smoking (or = 1.2), while denture wearers were at hi...

background: about 8 percent of all cancers in human population are related to leukemia and it is one of the most common malignancies in children. the aim of this study was to compare the prevalence of age, gender and blood group types with the frequency of leukemia among the children with leukemia in qazvin province during the 2006 to 2016. m aterials and methods: this was a cross-sectional ana...

color had a special role in the human life. today psychologists use colors to do researches and recognition of people's mental characteristics. luscher's color test is further one of many well known tests. in the literature world a poet shows his way of thinking by using some special words. this research uses the luscher color test and measures the person's psychophysical state based on samih a...