نتایج جستجو برای: نمودار t2 هتلینگ

تعداد نتایج: 38872  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم ریاضی 1394

‎‎‎‎‎‏‎(spc)‎ یک راه موثر برای بهبود کیفیت و بهره وری تولیدات است.‏ نمودارهای کنترل آماری یکی از ابزارهای کنترل فرایند می باشند. در برخی از مطالعات با فرض ثابت بودن تغییرات در واریانس تنها نمودار x-bar مورد مطالعه قرار گرفته شده است. ولی در یک فرایند تولید‏ میانگین و واریانس باید به طور ‎‏توأم‎ برای بالا بردن کیفیت محصول تحت نظارت قرار گیرند. نمودارهای توأم شوهارت x-bar ‏‏‎‏و ‎‎‎‎‏‎r‎‎‏‎(‎‎‎‎یا...

Journal: :international journal of hematology-oncology and stem cell research 0
mozhgan hashemieh imam hossein medical center, shahid beheshti university of medical sciences, tehran, iran. mitra radfar imam hossein medical center, shahid beheshti university of medical sciences, tehran, iran. azita azarkeivan research center of iranian blood transfusion organization, thalassemia clinic, tehran, iran seyed mohammad taghi hosseini tabatabaei imam hossein medical center, department of pediatric nephrology, shahid beheshti university of medical sciences, tehran, iran sedigheh nikbakht pediatrition, yasuj, iran mehdi yaseri school of public health and public health research institute, tehran university of medical sciences, tehran, iran

background: in recent years, the success in management of thalassemic patients, has allowed for some previously unrecognized complications including renal abnormalities to emerge. this prospective study aimed to investigate kidney iron overload by means of mri t2* and also renal function based on laboratory tests for early markers of glomerular and tubular dysfunction among adult iranian transf...

Journal: :iranian journal of radiology 0
tevfik guzelbey department of radiology, school of medicine, yeditepe university, istanbul, turkey bengi gurses department of radiology, school of medicine, koc university, istanbul, turkey; department of radiology, school of medicine, koc university, istanbul, turkey erman ozturk department of hematology, school of medicine, koc university, istanbul, turkey olcay ozveren department of cardiology, school of medicine, yeditepe university, istanbul, turkey aysegul sarsilmaz department of radiology, school of medicine, yeditepe university, istanbul, turkey ebru karasu department of radiology, school of medicine, yeditepe university, istanbul, turkey

conclusion adrenal iron in β-tm can be reliably measured in 3 tesla mri. the results highlight the absence of correlation between adrenal iron deposition both with serum ferritin and hepatic iron. results among patients, there was no significant correlation between plasma ferritin and adrenal t2*. significant difference was detected among t2* values of adrenals between the patient and control g...

Journal: :iranian journal of radiology 0
si shen medical imaging center, the first affiliated hospital of jinan university, jinan university, guangzhou, china hao wang pain clinic, the first affiliated hospital of jinan university, jinan university, guangzhou, china; pain clinic, the first affiliated hospital of jinan university, jinan university, guangzhou, china. tel: +86-13430267880, fax: +86-2038688416 jing zhang medical imaging center, the first affiliated hospital of jinan university, jinan university, guangzhou, china fei wang medical imaging center, the first affiliated hospital of jinan university, jinan university, guangzhou, china si-run liu medical imaging center, the first affiliated hospital of jinan university, jinan university, guangzhou, china

conclusion adc, fa, and t2* values may quantitatively reflect the microstructural characteristics of np, therefore they could be used to detect the minimal changes of early ldd. results the adc, fa, and t2* values were different (p < 0.05) among different rois within the same disc or among corresponding rois in different level discs. while the average values of adc increased regularly with the ...

Journal: :iranian journal of applied animal science 2013
r. singh a.b. mandal

the effect of ascorbic acid (aa) and butylated hydroxyanisole (bha) supplementation on aflatoxicosis in broiler chickens (1 to 42 days of age) was investigated (250, 500, 1000 and 2000 ppm for aa and bha) in diet containing 1 ppm total aflatoxin (af: 76.45% afb1, 10.52% afb2, 9.89% afg1 and 3.14% afg2). a total of 300 day-old broiler chicks were divided into ten treatment groups (t1=control; t2...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1389

در این تحقیق به بررسی تاثیر آلایش یون دیامغناطیسی و شرایط ساخت، روی خصوصیات مختلف ساختاری، مغناطیسی و الکتریکی منگنایت lamn1-xcuxo3 پرداخته شده است. نمونه ها به روش جدید تجزیه ی حرارتی استات ها ساخته شدند. این روش بر پایه ی آسیاب حالت جامد استات های مواد اولیه به همراه اسید سیتریک استوار است. در این تحقیق دمای کلوخه سازی برای نمونه ها 1200 در جه سانتی گراد است. لازم به ذکر است که به منظور بررسی...

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