نتایج جستجو برای: made systems
تعداد نتایج: 1589348 فیلتر نتایج به سال:
Bacground and objective: Assessing the threats and vulnerabilities of infrastructure is one of the major concerns of security officials in a country, and water supply systems are one of the most important and sensitive infrastructures. Water supply systems are also among the basic infrastructures that are very important in assessing the threats in these systems and identifying its weaknesses. I...
Environmental concerns and depletion of nonrenewable resources has made great interest towards renewable energy resources. Cleanness and high potential are factors that caused fast growth of wind energy. However, the stochastic nature of wind energy makes the presence of energy storage systems (ESS) in wind integrated power systems, inevitable. Due to capability of being used in large-scale sys...
evaluating the implemented sprinkler irrigation systems, made it possible to determine these systems level of success; and presented practical solutions to improve the efficiency of these systems and offered suggestions for future systems. the main objective of this study was to evaluate the status and performance of the implemented center pivot systems in the study area. in this study, 5 cente...
background and aims. cad/cam systems facilitate the use of zirconia substructure materials for all-ceramic copings. this in vitro study investigated the marginal and internal fit of zirconia copings made with cad/cam system and slip-casting method. materials and methods. sixteen cad/cam made zirconia copings and 16 slip-cast made zirconia copings were fabricated and cemented with glass-ionomer ...
growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...
Centriolar satellites (CS) are small granular structures that cluster in the vicinity of centrosomes. CS are highly susceptible to stress stimuli, triggering abrupt displacement of key CS factors. Here we discover a linear p38-MK2-14-3-3 signalling pathway that specifically targets CEP131 to trigger CS remodelling after cell stress. We identify CEP131 as a substrate of the p38 effector kinase M...
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