نتایج جستجو برای: 0178 and 0067
تعداد نتایج: 16827218 فیلتر نتایج به سال:
The breakthrough of laser cooling in semiconductor has stimulated strong interest in further scaling up towards practical optical refrigeration. The challenge is the stoichiometric defect in bulk crystal which introduces mid-gap states that manifest as broad-band long-wavelength emission. In this project, we have developed optical floating zone method to grown millimeter-scale CdS bulk crystals...
Body segment inertial properties (mass, center of mass position, and moment of inertia)affect the joint kinetics and subsequent limb control during ambulation. Accurate segmentinertial property estimations are necessary for properly calculating kinetic parameters andappropriately interpreting these data. Limited information currently exists related to inertialproperties of v...
Study design: Retrospective review of multiple cases. Objectives: To understand the effectiveness of Percutaneous Endoscopic Discectomy (PED) for athletes. Summary of background data: PED was first performed in 2002 and showed good clinical outcome for normal subjects. However, there are few reports for athletes. Methods: Ten male athletes with herniated nucleus pulposus underwent PED surgery u...
Purpose: The purpose of this study was to correlate highresolution magnetic resonance imaging (MRI) and histologic findings in a case of juxtapapillary choroidal melanoma with clinical evidence of optic nerve invasion. Methods: With institutional review board approval, an enucleated globe with choroidal melanoma and optic nerve invasion was imaged using a 7-tesla MRI followed by histopathologic...
this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...
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