نتایج جستجو برای: down time

تعداد نتایج: 2055676  

Journal: :Etri Journal 2023

Abstract Equivalent‐time sampling can improve measurement or sensing systems because it enables a broader frequency band and higher delay resolution for periodic signals with lower rates than Nyquist receiver. Meanwhile, digital down‐conversion (DDC) technique be implemented using straightforward radio (RF) circuit. It avoids timing skew in‐phase/quadrature gain imbalance instead of requiring h...

Journal: :iranian journal of medical physics 0
t. gorjiara m.sc. in medical physics, medical physics dept., tarbiat modarres university, tehran, iran. m. mokhtari-dizaji associate professor, medical physics dept., tarbiat modarres university, tehran, iran. h. ghanaati associate professor, radiology dept., tehran medical sciences university, tehran, iran.

introduction:  laser  interstitial  thermotherapy  (litt)  is  an  internal  ablation  therapy  method  consisting of a percutaneous or intraoperative insertion of laser fibers directly into the liver tumor with  maximum diameter of 5 cm. in this treatment method, there isn’t any general information about the  relationship  between  increasing  the  exposure  power,  coagulation  and  carboniza...

Journal: :international journal of pediatrics 0
nancy j. roizen professor of pediatrics rainbow babies and children's hospital case western reserve school of medicine cleveland, ohio usa manoochehr karjoo professor of pediatrics suny upstate medical university syracuse, new york usa

we report three cases of asymptomatic celiac disease identified in children with down syndrome after being screened at around twenty-four months of age.  these cases raise the question as to what age is screening for celiac disease indicated in a child with down syndrome and no symptoms.

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