نتایج جستجو برای: month period two 6
تعداد نتایج: 3529480 فیلتر نتایج به سال:
the effect of 6-month water storage on microleakage of two-component self-etch adhesive systems dr. mohammadibasir m .,1 dr. seyed tabaii e .2 1 assistant professor, department of operative dentistry , school of dentistry, shahed university. tehran , iran. 2 dentist. (received 5 dec, 2010 accepted 14 april, 2011) abstract background and aim : simplification of the self-etch...
The purpose of this study was to evaluate the effect of sports and energy drinks on the surface hardness of different restorative materials over a 6-month period. Forty-two disk-shaped specimens were prepared for each of the four restorative materials tested: Compoglass F, Filtek Z250, Filtek Supreme, and Premise. Specimens were immersed for 2 min daily, up to 6 months, in six storage solutions...
this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...
Two patients aged 6 and 5 years old with Mutism after posterior fossa surgery are presented. One of them has vermian medulobastoma and the other one has vermian asteroeytoma. Postoperative, both of them were mute without distorbance of consciousness, language comprehension, or lower motor cranial nerve function. The disorder lasted 1 month in one case and about 3 month in the other one. Sp...
Two cases of angiographically and surgically documented de novo intracranial aneurysm formation are reported. The first patient, a 32-year-old woman, developed two new aneurysms within a 6-month period, and the second patient, a 27-year-old woman, developed two new aneurysms within a 22-month period. In both patients, the new aneurysms were symptomatic, causing stroke and subarachnoid hemorrhag...
New nonlattice sphere packings in dimensions 20, 22, and 44–47 that are denser than the best previously known sphere packings were recently discovered. We extend these results, showing that the density of many sphere packings in dimensions just below a power of 2 can be doubled using orthogonal binary codes. This produces new dense sphere packings in Rn for n = 25, 26, . . . , 31 and 55, 56, . ...
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