نتایج جستجو برای: loss model

تعداد نتایج: 2473497  

Several methods are available for performance prediction of single phase shaded pole induction motors. A simple model, in conjunction with a more complicated and accurate model, which considers the asymmetrical windings and core loss, is used to compare the prediction methods against experimental results. Saturation is incorporated in the model. Fundamental and harmonic flux density wave distri...

Androgenetic alopecia is the most common form of hair loss in men. The present study was designed to evaluate the hair growth-promoting activity of a preparation of the Adiantum capillus veneris Linn. (A. capillus veneris Linn.) on albino mice using a testosterone-induced alopecia model. Five groups of albino mice were studied: (A) Testosterone solution only (n=6); (B) Testosterone ‏+ Finasteri...

Androgenetic alopecia is the most common form of hair loss in men. The present study was designed to evaluate the hair growth-promoting activity of a preparation of the Adiantum capillus veneris Linn. (A. capillus veneris Linn.) on albino mice using a testosterone-induced alopecia model. Five groups of albino mice were studied: (A) Testosterone solution only (n=6); (B) Testosterone ‏+ Finasteri...

Inflammatory reactions are closely associated with the development and progression of epilepsy. It has been shown that inhibition of pro-inflammatory cytokines, which are released from activated astrocytes and microglia, are considered to be an effective therapeutic approach for the treatment of epileptic disorders. Regarding the anti-inflammatory effects of nutmeg (Myristica fragrans Houtt), t...

Introduction: Exposure to hazardous noise induces one of the forms of acquired and preventable hearing loss that is noise-induced hearing loss (NIHL). Considering oxidative stress as the main mechanism of NIHL, it is possible that myricetin can protect NIHL by its antioxidant effect. Therefore, the present study aimed to investigate the preventive effect of myricetin on NIHL.  <br /...

alireza Amouheidari parvaneh shokrani, Somayeh karimi

Introduction: The purpose of this study was to develop a statistical model for prediction of radiation induced sensorineural hearing loss (SNHL) induced by radiotherapy in patients with brain tumors.   Materials and Methods: CT scan of 18 patients (10 males and 8 females) with brain tumor who were referred to Radiation Center of Milad Hospital in Isfahan in 2...

The quality of signal at a particular location is essential to determine the performance of mobile system. The problem of poor network in Lagos, Nigeria needs to be addressed especially now that the attention is toward online learning and meetings. Existing empirical Path Loss (PL) models designed elsewhere are not appropriate for predicting the 4G Long-Term Evolution (LTE) signal in Nigeria. T...

2001
Peter Davis

Retail markets are extremely important, but economists have few practical tools for analyzing the way dispersed buyers and sellers affect the properties of markets. In this paper, I develop an econometric model of retail demand, a model in which products are location specific and consumers have preferences over both geographic and other product characteristics. I show how to incorporate data on...

Rahim Mahmoudvand, reza Edalati,

We study the distribution of discounted collective risk model where the counting process is Poisson. For the model considered here, we obtain mean, variance and moment generating function (m.g.f) of the model. To do this, we use two approaches. In the first approach we use classical methods to obtain the mean and variance. In the second approach we introduce some proper martingale and then we o...

Journal: :nephro-urology monthly 0
mahmoud salesi department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, ir iran zohreh rostami nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran abbas rahimi foroushani department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, ir iran ali reza mehrazmay nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran jamile mohammadi department of psychology, faculty of humanities, tarbiat modares university, tehran, ir iran behzad einollahi nephrology and urology research center, baqiyatallah university of medical sciences, tehran, ir iran

conclusions: using these factors, nephrologists may predict the occurrence of graft loss or death. if the probability of graft loss was higher, physicians can decrease the immunosuppressive medications dosage to decrease the incidence of graft loss. patients and methods: fine-gray model was used for 266 cases with post-transplant malignancy in iran. these patients were followed-up from the diag...

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