نتایج جستجو برای: سنجندهی etm
تعداد نتایج: 2501 فیلتر نتایج به سال:
Etomidate and midazolam are the most popular drugs among the induction agents for emergent endotracheal intubation. The purpose of this study was to compare the incidence of adrenal insufficiency and mortality between the septic shock patients who received etomidate (ETM group) and those who received midazolam (MDZ group). Between November 2004 and September 2006, 65 patients were analyzed in t...
Interviewing stakeholders is a way to elicit information about requirements for a system-to-be. A difficulty when preparing such elicitation interviews is to select the topics to discuss, so as to avoid missing important information. Stakeholders may spontaneously share information on some topics, but remain silent on others, unless asked explicitly. We propose the Elicitation Topic Map (ETM) t...
The Delaware Estuary has a history of high anthropogenic nutrient loadings but has been classified as a highnutrient, low-growth system due to persistent light limitation caused by turbidity. While the biogeochemical implications of light limitation in turbid estuaries have been well-studied, there has been minimal effort focused on the connectivity between hydrodynamics, sediment dynamics, and...
The ability to detect and quantify changes in the Earth’s environment depends on satellites sensors that can provide calibrated, consistent measurements of Earth’s surface features through time. A critical step in this process is to put image data from subsequent generations of sensors onto a common radiometric scale. To evaluate Landsat-5 (L5) Thematic Mapper’s (TM) utility in this role, image...
This paper proposes to use ETM+ multispectral data and panchromatic band as well as texture features derived from the panchromatic band for land cover classification. Four texture features including one ‘internal texture’ and three GLCM based textures namely correlation, entropy, and inverse different moment were used in combination with ETM+ multispectral data. Two data sets involving combinat...
منطقه مورد مطالعه بین طول جغرافیایی 550 , 30 تا 560 , 30 و عرض جغرافیایی 280 , 30 تا 29 واقع شده است این منطقه شامل دو برگه خبر و باغات می باشد. با توجه به قرارگیری منطقه در زون سنندج - سیرجان و وجود سنگ های الترامافیک و مافیک احتمال وجود کانسارهای آهن و کرمیت در آن زیاد می باشد. بررسی همزمان زمین شناسی، دورسنجی و مغناطیس سنجی امکان مطالعات سطحی و زیرسطحی را فراهم آورد. در این تحقیق با استفاده ...
This paper investigates a fuzzy reduced-order filter design for class of nonlinear partial differential equation (PDE) systems. First, Takagi-Sugeno (T-S) model is considered to reconstruct the PDE system. Then, employment an event-triggered mechanism (ETM) can effectively avoid signal redundancy and improve network resource utilization. Furthermore, based on advantages ETM, several Lyapunov fu...
این مطالعه به منظور تهیه نقشه های شوری و قلیائیت خاک با استفاده از داده های ماهواره ای etm+ و همچنین تلفیق داده های ماهواره ای etm+ و liss در جنوب شرق دشت قزوین صورت گرفت.تجزیه های آزمایشگاهی شامل اندازه گیری پارامترهای هدایت الکتریکی، واکنش خاک و محاسبه نسبت جذب سدیم، ماده آلی، آهک و بافت و گچ مطابق با روش های استاندارد بر روی همه نمونه-های جمع آوری شده سطحی و افق های مورد مطالعه صورت گرفت.با ...
The purpose of this study was to assess the accuracy of fractional blood volume (vb) estimates in low-perfused and low-vascularized tissue using dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). The results of different MRI methods were compared with histology to evaluate the accuracy of these methods under clinical conditions. vb was estimated by DCE-MRI using a 3D gradient echo ...
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