نتایج جستجو برای: fractures and energy scattering in fractures table 1 shows q0
تعداد نتایج: 22125752 فیلتر نتایج به سال:
this study investigated the functions, types and frequencies of code switching in the teachers and students discourse in elt classrooms. to this end, the participants of this study including two groups of teachers and students were selected. the first group of participants were two efl teachers teaching general english courses (at two different levels of proficiency) in an institutional program...
run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...
The study of the carbonate cements in the Permian-Triassic Dalan-Kangan formations resulted in the identification of five stages of calcite and dolomite cementation, which completely or partially occluded pores. Cement types appear to be early isopachous calcite (i; C1-non-luminescence), equant (ii; C2-dull CL), fairly coarse secondary dolomite rhombs (iii; C3-zoning red CL), coarse sparry calc...
Background & Aims: Overpopulation, advancement of technology and automaton have caused human rest to be exposed to dangers. Orbit and middle third of the face are more vulnerable than other organs. The aim of this study was to assess the characteristics of maxillofacial fractures in patients referring to Urmia Imam Khomeini hospital during a 10-year period and to delineate comparisons with worl...
abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...
many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...
Background: Femoral shaft fractures are an incapacitating pediatric injury accounting for 1.6% of all pediatric bonyinjuries. Management of these fractures is largely directed by age, fracture pattern, associated injuries, built of the childand socioeconomic status of the family. We retrospectively evaluated the use of elastic stable intramedullary nail (ESIN)in surgical management of femoral s...
BACKGROUND Calcaneal fractures in children are rare injuries, and those with displaced intraarticular fracture patterns are found even less frequently. Recent data in the adult literature have suggested operative treatment of displaced intraarticular calcaneal fractures leads to a more favorable outcome. Most pediatric calcaneal fractures are due to low-energy trauma and are therefore minimally...
abstract background: unstable pelvic fracture, a result of high energy antero-posterior compression injury, has been managed based on internal fixation and open reduction. the mode of fixation in unstable pelvic fracture has, however, been a subject of controversy and some authors have proposed a need to address the issue of partial breach of the pelvic ring elements in these injuries. this stu...
Background & Aims: Thuracolumbar Unstable Fractures (T, L.U.F) are common after spine truma. Posterior pedicular fixation is a technique that is use for fixation of these fractures. This study evaluates the accuracy of pedicular screw placement in T, LUF with the assistance of plain radiography in operation rooms. Materials & Methods: This study is a case-control and analytical study. 35 pa...
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