نتایج جستجو برای: decline curve analysis
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STUDY QUESTION Is it possible to construct an age curve denoting the ages above which women are biologically too old to reproduce? SUMMARY ANSWER We constructed a curve based on the distribution of female age at last birth in natural fertility populations reflecting the ages above which women have become biologically too old to have children. WHAT IS KNOWN ALREADY The median age at last bir...
sclerotinia stem rot (ssr), caused by sclerotinia sclerotiorum, is believed as the most important disease of canola (brassica napus) in iran. temporal analysis of the disease epidemics was carried out by evaluating ssr in 80 fields in four locations of: gorgan, aliabad, kalaleh and gonbad in golestan province during 2006 and 2007. scouting of the fields to record disease incidence (i) and disea...
background: logistic discriminant method was applied to differentiate malignant from benign in a group of patients with proved breast lesions on the basis of ultrasonic parameters. materials and methods: our database include 273 patients' ultrasonographic pictures consisting of 14 quantitative variables. the measured variables were ultrasound propagation velocity, acoustic impedence and at...
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