نتایج جستجو برای: ultra structural

تعداد نتایج: 450557  

Journal: :IEEE Photonics Journal 2021

We propose and validate an approach to obtain ultra-broadband terahertz absorber by taking the advantages of absorption surface plasmon resonance in combination with intrinsic mode. The is composed a gold (Au) bottom layer patterned graphene embedded TOPAS polymer, exhibiting coupling modes. single-layer C4 symmetric regular polygons which are arranged circle circumscribed (CUPs) or inscribed (...

پایان نامه :دانشگاه آزاد اسلامی واحد کرمانشاه - دانشکده مهندسی برق و الکترونیک 1393

a novel ultra wideband microstrip bandpass filter using radial stub loaded resonator and interdigital coupled lines is presented in this paper. the radial stub loaded resonator and decagonal patch form a resonator named m to create tuneable multiple notches in the passband for suppression wlan interference. to realize sharp roll-off, two adjustable transmission nulls are located at the lower an...

Journal: :Structural Concrete 2022

Abstract A study on the shear model uncertainty and structural reliability of ultra‐high‐performance fiber reinforced concrete (UHPFRC) beams with stirrups is presented. Model for models given in JSCE, AFGC ACI 544 standards are characterized by comparison to nonlinear finite element analyses (NLFEA). In other basic parameters, a notable negative correlation between transverse reinforcement rat...

Journal: :Case Studies in Construction Materials 2022

Ultra-High Performance Concrete (UHPC) proved to be very durable in harsh environments, primarily because of the extremely low porosity matrix (uncracked). However, limited availability design standards is still a barrier widespread applications UHPC, together with knowledge its durability real (cracked) service conditions. In this paper, use tailored UHPC introduced, whose composition has been...

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