نتایج جستجو برای: reference value
تعداد نتایج: 975912 فیلتر نتایج به سال:
The laboratory measurement of cardiac troponin (cTn) concentration is a critical tool in the diagnosis of acute myocardial infarction (MI). Current cTnI assays produce different absolute troponin numbers and use different clinical cut-off values; hence cTnI values cannot be interchanged, with consequent confusion for clinicians. A recent Australian study compared patient results for seven cTnI ...
سنگ کلیه باتوجه به وضعیت اقتصادی واجتماعی جامعه جزء بیماریهای باشیوع بالارونده است.تفاوتهای جغرافیایی زیاددرشیوع سنگهای ادراری درکودکان بستگی به آب وهوا رژیم غذایی و فاکتورهای اقتصاداجتماعی دارد.تقریبا 7% از سنگهای ادراری درکودکان زیر16سال دیده میشود. تشکیل کریستالهای اسیداوریک، اگزالات کلسیم و سیستئین نیاز به اشباع موارد فوق در ادرار و تشکیل هسته های تشکیل دهنده سنگ می باشد. بعضی از مواد که ب...
In this research, the numerical method of computational fluid dynamics and dimensionless parameter of Froude number have been applied to determine the flow regime over ogee spillways.Froude number is a dimensionless dynamic parameter calculated using the square root of the ratio of inertia force and gravitational force. Considering that the study of the regimes of flow over hydraulic structures...
Soil and water resources are limited and optimal use of water resources in agriculture requires accurate determination of water consumed by plant species in different circumstances. This situation is necessary more than ever due to fast development of greenhouse cultivation. In this regard, to determine evapotranspiration and crop coefficient (KC) of greenhouse cucumber, two microlysimeters wer...
طرح مسئله : جهانی شدن یکی از مفاهیم کلیدی در تعیین کننده های اجتماعی سلامت بوده و بر سلامت جوامع بشری اثر گذار است. در این مطالعه به بررسی ساز و کار اثر جهانی شدن بر جنبه های مختلف سلامت از مسیر فقر و نابرابری پرداخته ایم. روش : این مطالعه از نوع همبستگی – اکولوژیک بوده و داده های موجود را تحلیل کرده ایم. سنجش جهانی شدن، جهانی شدن اقتصادی، اجتماعی و سیاسی از طریق شاخص kof index of globalizatio...
This paper deals with a designing problem of discrete-time and discrete-value (discretized) control systems based on a model-reference feedback structure. The model used in this study is assumed to be a second-order lag system that is expressed by a bilinear transformation. That type of discretized (nonlinear) control systems is presented and analyzed. The model reference feedback using a secon...
An important part of interlaboratory comparisons and proficiency testing is the determination of the reference value of the measurand and the associated uncertainty. It is desirable to have reference values with low uncertainty, but it is crucial that these values are reliable, i.e. they are correct within their stated uncertainty. In some cases it is possible to obtain reference values from la...
BACKGROUND Automated interleukin assays are promising diagnostic aids for early-onset neonatal sepsis, however, reference values for healthy term neonates are incompletely known. The goal of this study is to determine reference values for interleukin-6 (IL-6) and interleukin-8 (IL-8) in cord blood of healthy term neonates. METHODS AND FINDINGS Women were recruited from April 2012 to August 20...
BACKGROUND Cancer biomarkers are commonly used in pediatrics to monitor cancer progression, recurrence, and prognosis, but pediatric reference value distributions have not been well established for these markers. The Canadian Laboratory Initiative on Pediatric Reference Intervals (CALIPER) sought to develop a pediatric database of covariate-stratified reference value distributions for 11 key ci...
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