نتایج جستجو برای: direct and residual phosphoruseffects
تعداد نتایج: 16886364 فیلتر نتایج به سال:
background: human malaria remains a major malady in eastern iran. vector control interventions such as indoor residual spraying are used to fight with the disease. this study was undertaken to determine the lethal and residual effects of three different pyrethroid insecticides on adult mosquitoes of anopheles stephensi on different surfaces in iran, as part of a national program to monitor inse...
Residual tumor cells remain beyond the margins of every glioblastoma (GBM) resection. Their resistance to postsurgical therapy is considered a major driving force of mortality, but their biology remains largely uncharacterized. In this study, residual tumor cells were derived via experimental biopsy of the resection margin after standard neurosurgery for direct comparison with samples from the ...
In this paper, we propose an optimized motion estimation for perceptual video coding, i.e., a quadtree-based variable size block motion estimation scheme jointly optimize both motion vector coder and residual coder by minimizing the rate subject to a constraint on overall distortion. The residual coder includes perceptual quantization and direct block coding. Since the encoder encodes the resid...
Final step of rail manufacturing is cold rolling straightening process and it hassignificant effects on mechanical properties, straightness, flatness and development of residualstresses. Measurement of residual stresses after straightening process is obligated by railmanufacturing standards. In the present investigation, an attempt has been made to evaluateresidual stresses after straightening ...
methodology non-native participants in this study were sixty ba students majoring in english literature and teaching english as a foreign language at khayyam university of mashhad. they were senior students, between 21 to 24 years old, who had studied english for at least three and a half years and had passed several courses including grammar, reading, conversation, and writing. this was assum...
in this research, a novel method to decrease micro-residual stresses of fibrous composites by adding carbon nanotubes (cnts) is proposed in detail. the negative coefficient of thermal expansion and the high young’s modulus of cnts can be utilized to counterbalance the process induced residual stresses in composites. to this end, first, the effects of adding cnts to the matrix of fibrous composi...
the ponseti method is a safe and effective treatment for congenital clubfoot, and radically decreases the need for extensive corrective surgery. but a group of patients will still present with under corrected residual equinovarus deformities despite the proper use of the ponseti method. about 25% of operated clubfeet will develop recurrence or show a marked residual deformity (recurrent clubfoo...
residual gas saturation is one of the most important parameter in determining recovery factor of water-drive gas reservoir. visual observation of processes occurring at the pore level in micromodels can give an insight to fluid displacements at the larger scale and also help the interpretation of production performance at reservoir scale. in this study experimental tests in a glass micromodel w...
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