نتایج جستجو برای: like defects however

تعداد نتایج: 2259621  

2015
Freek Massee Peter Oliver Sprau Yong-Lei Wang J. C. Séamus Davis Gianluca Ghigo Genda D. Gu Wai-Kwong Kwok

Maximizing the sustainable supercurrent density, J C, is crucial to high-current applications of superconductivity. To achieve this, preventing dissipative motion of quantized vortices is key. Irradiation of superconductors with high-energy heavy ions can be used to create nanoscale defects that act as deep pinning potentials for vortices. This approach holds unique promise for high-current app...

Journal: :Journal of cell science 2014
Mamta Rai Prasanna Katti Upendra Nongthomba

Mitochondrial biogenesis and morphological changes are associated with tissue-specific functional demand, but the factors and pathways that regulate these processes have not been completely identified. A lack of mitochondrial fusion has been implicated in various developmental and pathological defects. The spatiotemporal regulation of mitochondrial fusion in a tissue such as muscle is not well ...

Journal: :journal of dentistry, tehran university of medical sciences 0
ar rokn dental implant research center, school of dentistry, tehran university of medical sciences, tehran, iran. n moslemi b eslami h khandagh abadi m paknejad

both anorganic bovine bone (abb) and β-tricalcium phosphate (β-tcp) are used in clinical practice as bone substitute materials, but there is limited data comparing these two materials in standardized defects. the aim of this study was to histologically evaluate the effectiveness of abb and β-tcp in the healing of experimentally induced bone defects.eighteen bone defects were created on the calv...

Journal: :Isij International 2023

Friction stir welding (FSW) was applied to a 10 mm-thick plate for the Fe-15Mn-10Cr-8Ni-4Si seismic damping alloy. A sound FSW joint obtained successfully without macro-defects such as groove-like defects and tunnel holes. However, small pores with diameters of 1–5 μm were formed owing wear tool during FSW. The decrease in heat input suppressed wear. Consequently, distribution limited border zo...

Journal: :Kathmandu University medical journal 2007
B K Malla

arly intrauterine period during 3 8 weeks of gestation is the vital period of life for the normal development of organs and organ system or organogenesis. Congenital malformation or defects are structural, functional and metabolic disorders at birth and the exact cause of birth defects in 40-60% are unknown. However, factors like genetic, environmental, teratogenic and infectious agents play im...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم 1388

دستگاه معادلات خطی افزوده در بسیاری از محاسبات علمی و کاربردی،مثل حل تقریبی مسأله استوکس به روش عناصر متناهی ظاهر می شود. در این پایان نامه ابتدا روشهایsor-like ، ssor وmssor برای حل اینگونه دستگاه ها را مطالعه می کنیم. سپس یک پیش شرط ساز ساده اما کارا برای روش sor-like ارائه می شود. در ادامه شکل اصلاح شده ای از روشssor بنام issor ارائه می گردد. در پایان نتایج عددی برای نشان دادن کارائی روشها ر...

Journal: :Advances in Bioscience and Clinical Medicine 2022

Tarlov cyst (TCs) is also called perineural cyst, which a rare disease of the posterior nerve root prevalently localized in lumbo-sacral region, however, it possible every part spinal cord. These cysts represent dilation nerve-root sheath that often communicate with subarachnoid space through valve-like mechanism containing cerebrospinal fluid (CSF) and neural tissue. asymptomatic discovered in...

Journal: :iranian journal of medical sciences 0
alwaleed al-dairy department of cardiovascular surgery, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran yousef rezaei heart valve disease research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran maziar gholampour dehaki department of cardiovascular surgery, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran anita sadeghpour echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran zia totonchi department of cardiac anesthesia, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran hamidreza pouraliakbar department of radiology, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran

anomalous origin of the left coronary artery from the pulmonary artery (alcapa) is a rare congenital cardiac malformation. we report three cases of alcapa who survived to adulthood. the first case was a 51-year-old woman who complained of typical chest pain that was diagnosed with alcapa using cardiac catheterization and coronary computed tomographic angiography (cta). the second case was a 30-...

Journal: :acta medica iranica 0
khosrow hashemzadeh department of cardiovascular surgery, cardiovascular research center, shahid madani hospital, tabriz university of medical sciences, tabriz, iran. shahryar hashemzadeh department of general and thoracic surgery, imam reza hospital, tabriz university of medical sciences, tabriz, iran.

the purpose of this study was to evaluate the early and late outcome after total correction of tetralogy of fallot (tof) in 101 consecutive patients with a mean age of 8.23 ± 4.90 years underwent repair of surgery at one institution between 1995 and 2006. forty two patients had initial palliative operations. a transannular patch was inserted in 60 (58.5%) patients. risk factors for operative mo...

Journal: :the journal of tehran university heart center 0
mohammad sahebjam tehran heart center, tehran university of medical sciences, tehran, iran. reyhaneh zavar tehran heart center, tehran university of medical sciences, tehran, iran. masoumeh lotfi-tokaldany tehran heart center, tehran university of medical sciences, tehran, iran. hakimeh sadeghian tehran heart center, tehran university of medical sciences, tehran, iran. arezou zoroufian tehran heart center, tehran university of medical sciences, tehran, iran.

background: given the dearth of data in the existing literature on the size and morphologic variability of secundum-type atrial-septal defect (asd-ii) in adult patients, we aimed to address this issue in a series of consecutive adult patients evaluated by transesophageal echocardiography (tee). methods: a total of 50 patients (68.0% female) with isolated asd-ii underwent tee for the evaluation ...

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