background: the patterson-parker table was created in 1934 to determine mg-hr required to deliver the prescribed dose to the treatment area. these tables were created using the dosimetric data for 226ra that was determined in air and were utilized for dose calculations around implants with ra-equivalent radionuclides such as 137cs and 192ir. therefore, the differences of the tissue attenuation ...

In this high-tech era, the targeted drug delivery system has various progressions in of cancerous drugs. current review, main purpose is to address valuable needs a all aspects safety and therapeutic The objective introduce carriers with their benefits. superior traditional because they overcome pros cons deliver dosage form at site without exhibiting any side effects. positive benefit that red...

the built up layer thickness in secondary deformation zone is one of the important parameters in metal cutting process. the built up layer (bul) is formed in second deformation zone near the tool-chip interface in the back of the chip. this parameter influences the tool life and machined surface quality. this bul should not be confused with the built up edge (bue). the deformation of the bul in...

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