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تعداد نتایج: 871172  

Journal: :iranian journal of pathology 2010
pezhman fard-esfahani shohreh khatami

background and objective: familial hypercholesterolemia (fh) is an autosomal trait, which is caused by mutations in low density lipoprotein receptor (ldlr) gene. fh penetrance is about 100% and worldwide prevalence for heterozygous subjects is almost 1 in 500 and for homozygous 1 in 1,000,000. the patients are at risk of premature coronary heart disease (chd) due to defective ldlr and hence cho...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هرمزگان - دانشکده کشاورزی و منابع طبیعی 1393

در تحقیق حال حاضر، با بهره گیری از این تکنولوژی به بررسی تغییرات کاربری اراضی و پوشش زمین و اثر آن بر دمای سطحی شهر گرگان استان گلستان، طی سال های 1986 و 2010 پرداخته شده است. بدین منظور از تصاویر tm و etm+ در این تحقیق استفاده گردید. پس از انجام عملیات پیش پردازش، با استفاده از الگوریتم حداکثر احتمال همانندی تصاویر به چهار کلاس کلی (1- جنگل، 2- منطقه شهری و ساخت و ساز ، 3- کشاورزی، 4- آب) طبقه...

Journal: :journal of mycology research 2014
sahar javaheri tehrani mansour aliabadian abdolmajid fata mohammad javad najafzadeh

conventional methods for fungal identification in the clinical laboratory rely on morphological andphysiological tests. these tests often need several days or weeks to complete and are frequentlyunspecific. molecular identification mostly implies sequencing, which is relatively expensive andtime-consuming, as well as impractical for large numbers of isolates. the rolling circleamplification app...

Journal: :international journal of foreign language teaching and research 2014
siros izadpanah esmaeil shajeri

Journal: :journal of artificial intelligence in electrical engineering 2015
mohammad mehdi moradi

this study on the design of pid controllers for flexible single-arm robot system optimizationpso method is focused so that the coefficients of the pid controller are reduced. in this study,pid controller and pso algorithm have been described and then by using matlab, pidcontrol was simulated. then by pso algorithm, attempts to reduce the pid coefficients are givenby simulation. finally pid coef...

Journal: :research in molecular medicine 0
ghazaleh khalili department of basic sciences, sari university of agricultural sciences and natural resources, sari, iran ali barzegar department of basic sciences, sari university of agricultural sciences and natural resources, sari, iran novin nikbakhsh department of surgery, school of medicine, babol university of medical sciences, babol, iran zarbakht ansari-pirsaraee department of animal sciences, sari university of agricultural sciences and natural resources, sari, iran

background: breast cancer is the first leading cause of cancer-related death in women. pesticides which are excessively used in northern iran are one of the most important risk factors for breast cancer incidence. the cytochrome p450 1a1 (cyp1a1) is a key enzyme in xenobiotics metabolism and snps of its coding gene has been verified to be important in cancer susceptibility. the aim of this stud...

Journal: :practice in clinical psychology 0
فرزاد رادمهر farzad radmehr school of mathematical sciences, ferdowsi university of mashhad, iran.نیوزلند-ویلینگتون- دانشگاه ویکتوریا حسن علم الهدایی hassan alamolhodaei mashhad- school of mathematical sciences of ferdowsi university of mashhadمشهد- دانشکده علوم ریاضی دانشگاه فردوسی مشهد

objective: this article presents an application of cluster analysis for social sciences researches especially those studies that have an interview as part of their data collection. this application is more suitable for sequential mixed method researchers who use quantitative data to frame subsequent qualitative subsamples for conducting interviews.  methods: in more detail, the algorithm (i.e.,...

Journal: :research in cardiovascular medicine 0
hadi malek rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran raheleh hedayati department of nuclear medicine, rasool-e-akram hospital, iran university of medical sciences, tehran, ir iran nahid yaghoobi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; department of nuclear medicine and molecular imaging, rajaie cardiovascular medical and research center, vali-asr st., niayesh blvd. tehran, ir iran. p. o. box: 1996911151, tel: +98-9121031582, fax: +98-2122042026 ahmad bitarafan-rajabi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran seyed hassan firoozabadi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran feridoon rastgou rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran

background subdiaphragmatic activity can produce subdiaphragmatic-related artifacts, which can degrade the quality of myocardial perfusion imaging (mpi). objectives we examined the impact of drinking milk, water, and lemon juice on different subdiaphragmatic-related artifacts by using 99mtc-sestamibi myocardial single-photon emission computed tomography (spect) in order to determine a feasible ...

Journal: :international journal of pediatrics 0
nilay bagchi medical college, kolkata, india. sonali mitra medical college, kolkata, india. sumantra raut medical college, kolkata, india.

introduction renal tubular acidosis (rta) is a non-uremic defects of urinary acidification. it is characterized by a normal anion gap hyperchloremic  metabolic acidosis; plasma potassium may be normal, low or high-depending on the type of rta. these syndromes differ from uremic acidosis which is associated with a high anion gap, decreased glomerular filtration with enhanced proton secretion by ...

Journal: :asia oceania journal of nuclear medicine and biology 0
yangchun chen nuclear medicine department of quanzhou first hospital affiliated fujian medical university sipei xie ultrasound department of quanzhou first hospital affiliated fujian medical university fang he endocrine department of quanzhou first hospital affiliated fujian medical university jianwei chen nuclear medicine department of quanzhou first hopital affiliated fujian medical university

objective(s): in this study, we aimed to evaluate the efficacy of thyroid volume measurement using 99mtc pertechnetate single-photon emission computed tomography (spect) images, acquired by the standardized uptake value (suv)-shape scheme designed by our expert team.methods: a total of 18 consecutive patients with graves’ disease (gd) were subjected to both ultrasonographic and 99mtc pertechnet...

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