نتایج جستجو برای: طراحی آزمایش ccd
تعداد نتایج: 137162 فیلتر نتایج به سال:
Canine cognitive dysfunction (CCD) is a syndrome that manifests itself in abnormal behaviors, such as disorientation and wandering. β-amyloid deposition in the brain, including the senile plaque (SP) and cerebral amyloid angiopathy (CAA), has been suggested as a major cause of the syndrome. However, the pathological significance of β-amyloid deposition in CCD dogs remains unclear. The present s...
Recent losses in honey bee colonies are unusual in their severity, geographical distribution, and, in some cases, failure to present recognized characteristics of known disease. Domesticated honey bees face numerous pests and pathogens, tempting hypotheses that colony collapses arise from exposure to new or resurgent pathogens. Here we explore the incidence and abundance of currently known hone...
The mechanism of crossed cerebellar diaschisis (CCD) is considered to be secondary hypoperfusion due to neural deactivation. To elucidate the hemodynamics during neural deactivation, the hemodynamics of CCD was investigated. The cerebral blood flow (CBF), cerebral blood volume (CBV), cerebral oxygen extraction fraction (OEF), cerebral metabolic rate of oxygen (CMRO2), and vascular responses to ...
OBJECTIVE Crossed cerebellar diaschisis (CCD) is defined as a depression of blood flow and oxidative metabolism of glucose in the cerebellum contralateral to a supratentorial brain lesion, as detected with positron emission tomography (PET) and single photon emission computed tomography. We examined whether L-[methyl-11C]methionine (MET) uptake is affected in CCD. METHODS In 12 patients with ...
Synthetic Aperture Radar Coherent Change Detection (SAR CCD) images are highly sensitive change maps produced by multiple SAR images. The noise and characteristics of SAR and CCD result in SAR CCD images being challenging to interpret, making human analyst training essential. Simulating a SAR and CCD dataset with realistic noise is an unsolved problem, and collecting real data with a wide varie...
Synthetic Aperture Radar Coherent Change Detection (SAR CCD) images are highly sensitive change maps produced by multiple SAR images. The noise and characteristics of SAR and CCD result in SAR CCD images being challenging to interpret, making human analyst training essential. Simulating a SAR and CCD dataset with realistic noise is an unsolved problem, and collecting real data with a wide varie...
Congenital cardiac disease (CCD) is one of the most common developmental anomalies in children. Affected children require special care in dentistry because of their susceptibility to infective endocarditis from oral infections, yet little information is available on the oral health of children with CCD. The present study, which investigated 39 children with CCD and 33 healthy control siblings, ...
The structure and catalytic properties of the enzyme (E) chlorocatechol dioxygenase (CCD) adsorbed on a citrate-reduced silver colloid are analyzed by surface-enhanced resonance Raman spectroscopy (SERRS). This is the first SERRS study of a non-heme metalloenzyme. It is demonstrated that the native conformation of CCD is retained in the adsorbed state by comparison of resonance Raman scattering...
در این تحقیق ژئوپلیمر به کمک مواد اولیه متاکائولن و محلول های قلیایی هیدروکسید پتاسیم و سیلیکات سدیم سنتز شد و اثر پارامترهای میزان آب، غلظت هیدروکسید پتاسیم و اندازه ذرات کائولن بر روی خواص فیزیکی و مکانیکی ژئوپلیمر تولیدی با استفاده از طراحی آزمایش به روش ccd مورد بررسی قرار گرفت. این پارامتر ها در دو سطح بالا و پایین تعیین گردید وپس از تجزیه و تحلیل داده ها به کمک نرم افزار dx8، مقادیر بهینه...
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