نتایج جستجو برای: score function
تعداد نتایج: 1406445 فیلتر نتایج به سال:
The quality of the ranking function is an important factor that determines the quality of the Information Retrieval system. Each document is assigned a score by the ranking function; the score indicates the likelihood of relevance of the document given a query. In the vector space model, the ranking function is defined by a mathematic expression such as: ∑ ∈ = q t d q score ) , ( tf(t in d) * i...
Introduction and goal: Sexual problems are highly prevalent among women, which affects the different aspects of women's lives. Consultation in the early stages can solve many of their problems, and in case of detection of female sexual disorder to be treated by specialists. This study aimed to investigate the effect of counseling on sexual function has been done. method: This semi-experiment...
background nephrotoxicity is characterized and scored by many parameters such as vacuolization, dilatation, hyaline cast, debris or degeneration in injured renal tissue. in this short report, we attempt to find, the most correlated parameters with kidney tissue pathology damage score (pds) in cisplatin-induced nephrotoxicity. method a total of 207 normal and toxic rats’ kidney tissue (induced b...
PURPOSE To use meta-analysis techniques to evaluate the efficacy and safety of platelet-rich plasma (PRP) injections for the treatment knee of osteoarthritis (OA). METHODS We performed a systematic literature search in PubMed, Embase, Scopus, and the Cochrane database through April 2016 to identify Level I randomized controlled trials that evaluated the clinical efficacy of PRP versus control...
مقدمه : تهوع و استفراغ دومین عارضه شایع پس از عمل جراحی می باشد که شیوع آن بسته به نوع عمل جراحی،نوع داروی بی هوشی،سن،جنس و ... متفاوت بوده و از 20 تا 80 درصد ذکر می گردد.این عارضه می تواند منجر به مشکلاتی نظیر افزایش فشار داخل چشم،باز شدن سوچورهای جراحی و یا در مواردی آسپیراسیون ریوی و مرگ گردد.در چند تحقیق انجام گرفته اثر میدازولام در کاهش تهوع و استفراغ اثبات شده است ولی تا کنون تحقیقی در مو...
objective: the aim of this study was to determine the associates of marital relationship in mustard exposed veterans. materials and methods: two hundred ninety two married iranian mustard exposed veterans, who had been exposed to single high dose mustard gas in iraq-iran war, were assessed for marital adjustment with revised dyadic adjustment scale (rdas). census sampling was done. the patients...
Two-band speech model which assumes lower band is a quasi-periodic component and upper band is a non-periodic component is widely used due to its natural and simple framework. In this paper, a score function is defined for splitting lower and upper band of two-band speech model and estimation method of band-splitting frequency which is the boundary of the two bands is proposed. The score functi...
Background & Aims: The birth of a premature baby and his/her hospitalization at birth, affects on family function. This study aimed to identify the effect of family-centered care on family function of preterm newborns hospitalized in the Neonatal Intensive Care Unit (NICU). Materials & Methods: In this quasi-experimental study, Parents of 60 premature infants with fetal age between 30 and 36 w...
OBJECTIVES To compare maternal cardiac function between pregnancies complicated by normotensive and pre-eclamptic intrauterine growth restriction (IUGR). METHODS Two-dimensional Doppler echocardiography and Doppler tissue imaging (DTI) were used to examine 19 pregnant women with IUGR and 17 with pre-eclampsia complicated by IUGR at 20-38 weeks of gestation. Indices were converted into differe...
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