نتایج جستجو برای: setup cost reduction for defective and non defective items
تعداد نتایج: 19242487 فیلتر نتایج به سال:
in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...
This study examines a multi-item manufacturing problem with single machine, an outsourcer, and random defective items. To cope the increasing multi-product demands from global markets, modern firms must make efficient production plan to satisfy customer’s needs quality goods smooth in-house fabrication schedule utilization. Outsourcing is effective option avoid machine overloads schedules. Furt...
Pristine and Defective Graphene Supports As platinum-based materials are among the most efficient catalysts for electrochemical processes in proton exchange membrane fuel cells, especially oxygen reduction reaction, several groups have shown that support material has a major influence on coordinative stabilization modification of reactivity Pt-cluster-graphene combined material. In article numb...
this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...
Background: Epidemiological studies show that computed tomography (CT) is one of the main sources of ionizing radiations. Shielding of radiosensitive organs is one of the dose reduction methods. This study aimed to assess the eye lens dose reduction and image quality resulting from the use of radio-protective bismuth shield in brain CT imaging. Methods: Bismut...
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