-
641
Innovative UWB phase shifters using groove gap-waveguide technology inspired by metasurfaces for beamforming networks operating at 100 GHz
Published 2025“…The metasurface features a "bed-of-nails" structure, where metal pins are connected to a bottom layer and spaced <λ/4 from a top plate. …”
Get full text
Conference or Workshop Item -
642
Metamaterial based ultra-wideband antennas for portable wireless applications
Published 2017“…Various approaches have been reported to reduce the physical size of RF antennas including using high permittivity substrates, shorting pins, reactive components, and more recently, metamaterials (MTM) based on composite right-/left-handed transmission-lines (CRLH-TLs). …”
Get full text
Book Section -
643
Prediction of sedimentation and bank erosion due to the construction of Kahang Dam
Published 2020“…This research used the Artificial Neural Network (ANN) and ANN with Autoregressive (AR) (NNETAR) in predicting suspended sediment concentration using sediment concentration, discharge and water level as inputs. Similarly, erosion pins were installed on four transects to monitor the riverbank for thirteen months. …”
Get full text
Get full text
Get full text
Thesis -
644
Taking the implementation of ECtHR judgments seriously : right assessment, wrong approaches?
Published 2010“…The entry into force of Protocol 14 will be of no help, as infringement proceedings are not coupled with daily fines, unlike the practice of the European Court of Justice. …”
Get full text
Article -
645
Effect of nano black rice husk ash on the chemical and physical properties of porous concrete pavement
Published 2018“…The chemical and physical properties of the Nano BRHA mixtures were evaluated using fineness test, X-ray Fluorescence spectrometer (XRF) and X-ray diffraction (XRD). …”
Get full text
Article -
646
Gender and the translation of audiovisual non-profit advertising
Published 2016Get full text
Article -
647
-
648
Influences of various particle sizes of coal bottom ash as supplementary cementitious material on the pozzolanic properties
Published 2024“…To evaluate the pozzolanic reaction of CBA based on the strength activity index (SAI), CBA was ground to same fineness as cement. Five substitution levels were used. …”
Get full text
Conference or Workshop Item -
649
-
650
Strength of blended cement mortar containing palm oil fuel and eggshell ashes
Published 2018“…This is due to the high fineness of POFA providing more surface area that filled the voids between cement and aggregate. …”
Article -
651
-
652
Effect of dual flocculant by unmodified manihot esculenta starch and aluminium sulphate on the removal of chemical oxygen demand optimized by response surface methodology
Published 2024“…Besides the performance of COD removal increased, the dosage of the chemical coagulant was reduced by up to 64% at the optimum condition of 18 mg/L alum dosage, 307 mg/L starch dosage, pH 9, and 27 mins settling time. The analysis of variance (ANOVA) indicated that the quadratic model was significantly developed with a p-value < 0.05. …”
Get full text
Conference or Workshop Item -
653
Green approach to treat institutional wastewater by using cassava peels starch (CPS) as coagulant aid
Published 2018“…Removal efficiency of dual coagulant (alum+CPS) were achieved at optimum dosage of 40:60 mg/L at pH 8 with 60 mins settling time with removal efficiency of COD (41%), TSS (86%) and Turbidity (91%). …”
Get full text
Get full text
Get full text
Thesis -
654
Assessment of the effect of grain refinement on the solidification characteristics of Al-Si-Cu eutectic cast alloy using thermal analysis technical (CA-CCTA)
Published 2015“…In the case of Al-11.7 Si-Cu- alloys, this would involve the fineness of the primary α-Al dendrites (as determined by (SDAS) value), the Al-Si eutectic structure (Si morphology), as well as the CuAl2 and other copper intermetallic, depending upon the alloying and the trace elements present in the alloy. …”
Get full text
Get full text
Thesis -
655
-
656
Género, hormonas y cáncer de mama : perspectivas comparadas en Norte y Sudamérica.
Published 2014“…Este capítulo propone abordar una de las aplicaciones más relevantes en la clínica: el uso de testosterona para el tratamiento del cáncer de mama. Iniciada hacia fines de la década de 1930, la administración de hormonas ‘contra-sexuales’ para tratar enfermedades femeninas, a pesar de sus resultados clínicos positivos, fue altamente controversial. …”
Get full text
Book Section -
657
Strength prediction and durability performance of concrete containing coal bottom ash as supplementary cementitious material under aggressive environment
Published 2019“…Initially, raw CBA was grinded for various periods, to get different particle fineness, then CBA was incorporated as replacement of OPC in concrete at various percentages 10%, 20% and 30% by weight of cement. …”
Get full text
Get full text
Get full text
Thesis -
658
Green synthesis, characterization and laser irradiation of silver nanoparticles and its bimetallic nanoparticles
Published 2020“…In contrast, Ag/Cu NPs were synthesized by mixing Cu solution (1, 3, 5 and 7 mM) with Gre-Ag NPs at room temperature and left for 10 mins. Moreover, the silver nanostructures (Ag NSs) was fabricated by manipulating Gre-Ag NPs with diode laser 450 nm at different times. …”
Get full text
Get full text
Get full text
Thesis -
659
In vitro bioactivities of anodised titanium in mixtrue of B-Glycerophosphate and calcium acetate for biomedical application
Published 2016“…The parameters for anodic oxidation method such as applied voltage (50-350 V), current density(10-70 mA.cm-2), electrolyte concentration (0.02 M β-GP + 0.2 M CA, 0.04 M β-GP + 0.04 M CA) , anodising time (5-10 mins), agitation speed (300-1500 rpm), ultrasonic amplitude (20-60 μm) and bath temperature (4-100 °C) were varied to investigate the impact on the surface properties of titanium. …”
Get full text
Get full text
Get full text
Thesis