نتایج جستجو برای: آزمون dsc

تعداد نتایج: 128147  

2017
Linda Knutsson Xiang Xu Freddy Ståhlberg Peter B. Barker Emelie Lind Pia C. Sundgren Peter C. M. van Zijl Ronnie Wirestam

Dynamic susceptibility contrast magnetic resonance imaging (DSC-MRI) following bolus injection of gadolinium contrast agent (CA) is widely used for the estimation of brain perfusion parameters such as cerebral blood volume (CBV), cerebral blood flow (CBF), and mean transit time (MTT) for both clinical and research purposes. Although it is predicted that DSC-MRI will have superior performance at...

ژورنال: :مواد پرانرژی 0
حسن رضایی حقیقت hassan rezaei haghighat p.o. box: 13445-754ص.پ.754-13445 مهدی باریکانی mehdi barikani p.o. box: 14965/115ص.پ. 115-14965 جلیل مرشدیان jalil morshedian p.o. box: 14965/115ص.پ. 115-14965

به منظور افزایش درجه عاملیت htpb پلیمریزاسیون رادیکالی زنده با واسطه نایتروکساید درجا(in-situ nmp) 1،3-بوتادی ان در حضور عامل کنترل کننده tepa به عنوان پیش ماده نایتروکساید سه عاملی انجام شده است. سپس از این htpb که دارای درجه عاملیت بالایی می باشد(pfhtpb)، در تهیه الاستومر پلی یورتانی استفاده شده و تاثیر استفاده از این رزین در خواص دینامیکی- مکانیکی و انتقال های دمایی در آزمون های dmta و dsc م...

1999
B. Q. Han D. C. Dunand

This paper examines the room-temperature microstructure and mechanical properties of dispersion-strengthened-cast magnesium (DSC-Mg) containing 30 vol.% of 0.33 mm yttria dispersoids. The dispersoids are reasonably well distributed in both cast and extruded materials and the extruded matrix grains size is about 0.88 mm, in agreement with existing models on grain pinning. The Young’s modulus mea...

2009
Devrim Akca Armin Gruen

This paper examines the potential of mobile phones to be used as front-end sensors for photogrammetric procedures and applications. For this purpose, two mobile phone cameras (Sony Ericsson K750i and Nokia N93) were calibrated over an indoor 3D testfield, using a self-calibrating bundle adjustment. Geometric accuracy tests were carried out in order to evaluate their metric performances and to c...

Journal: :Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan 2007
Nefise Ozlen Sahin Hakan Arslan

Prednisolone is a safe antiinflammatory agent for the treatment of inflammatory diseases. To improve the aqueous solubility of the drug and dissolution rate, the complexation of prednisolone with skimmed milk was studied. A physical mixture and solid dispersion of prednisolone with skimmed milk were prepared. The lyophilization method was used to prepare the solid dispersion. Detection of inclu...

2008
Nong Gao

Differential Scanning Calorimetry (DSC) is a thermal analysis technique that measures the energy absorbed or released by a sample as a function of temperature or time. DSC has wide application for analysis of solid state reactions and solid-liquid reactions in many different materials. In recent years, DSC has been applied to analyze materials and alloys processed through Severe Plastic Deforma...

2018
Seyed Salman Zakariaee Mohammad Ali Oghabian Kavous Firouznia Guive Sharifi Farshid Arbabi Farhad Samiei

Background Brain tumor is one of the most common tumors. A successful treatment might be achieved with an early identification. Pathological investigation as the gold standard method for tumor identification has some limitations. Noninvasive assessment of tumor specifications may be possible using perfusion-weighted magnetic resonance imaging (MRI). Cerebral blood volume (CBV) and cerebral bloo...

2009
Nong Gao Marco J. Starink Terence G. Langdon

Differential Scanning Calorimetry (DSC) is a thermal analysis technique that measures the energy absorbed or released by a sample as a function of temperature or time. Analysis by DSC has wide applications for examining solid-state reactions and solid-liquid reactions in many different materials. Quantitative analyses of the kinetics of reactions may be assessed by reviewing the interrelation b...

2010
Inseok Choi Minshu Zhao Donald Yeung

This paper describes our experience with profiling and optimizing physical locality for the distributed shared cache (DSC) in Tilera’s Tile multicore processor. Our approach uses the Tile Processor’s hardware performance measurement counters (PMCs) to acquire page-level access pattern profiles. A key problem we address is imprecise PMC interrupts. Our profiling tools use binary analysis to corr...

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