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861
Assessing the Suitability of Snail-Shell Powder as a Partial Replacement of Cement in Concrete Production.
Published 2024“…Their pozzolanic composition was done and found to contain elements such as Calcium-Oxide 85.413%m/m, Iron (iii) oxide 0.406%m/m, Silicon dioxide 8.561%m/m, Potassium oxide 0.212%m/m, Aluminum oxide as 4.250%m/m, Manganese(ii) oxide 0.308%m/m, Phosphorous pent oxide 0.002%m/m, Titanium oxide 0.015%m/m. …”
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Thesis -
862
Comparative evaluation of pattern and distribution of stresses in single- and double-implant overdenture using ball-ring, positioner, and magnet-keeper attachment under different l...
Published 2025-01-01“…Materials and Methods: A Styrofoam mandible with duplicated silicon mucosa was used to construct a mandibular complete denture. …”
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863
Thermally tunable add-drop filter based on valley photonic crystals for optical communications
Published 2024-10-01“…Our work shows great potential for developing high-performance topological photonic devices with the thermally tunable silicon-based VPCs, which offers unprecedented opportunities for realizing topologically protected and reconfigurable high-speed datalinks on a chip.…”
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864
Multiscale study on the compressive performance of diverse solid waste backfill bodies
Published 2025-01-01“…With the increase in calcium slag doping, the mass percentage of calcium element and calcium-silicon ratio in the multi-solid waste matrix first increased and then decreased, and the micro-morphology of the multi-solid waste matrix included lamellar, block, and rod structures; With the increase in the water–solid ratio, the micro-morphology of the multi-solid waste matrix was gradually transformed, and the pore defects between the cementitious materials gradually increased. …”
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865
Unraveling the laser decal transfer-based printing of ZnO ceramic towards FEP-ZnO-based Piezo-Tribo hybrid nanogenerators
Published 2025-03-01“…Surface modification is explored to enhance static charge retention over surfaces. Initially, a silicon wafer is coated with a sacrificial layer over which a piezo-ceramic (ZnO) is sputtered to develop a seed layer. …”
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866
Zwitterion Effect of Cow Brain Protein towards Efficiency Improvement of Dye-Sensitized Solar Cell (DSSC)
Published 2020-01-01“…The disadvantage of DSSC is that its efficiency is still low compared to silicon solar cells. This low efficiency is due to obstacles in the flow of electric current on DSSC. …”
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867
CONTRIBUTION TO THE GEOCHEMICAL STUDY OF KANZI AND MVUANGU PHOSPHATE ROCKS IN THE LEMBA OIL SUB-BASIN OF CENTRAL CONGO
Published 2024-07-01“…The results of the Chemical Analyses (Oxides) and Chemical Elements are as follows: (1) Major oxides (%:) Al2O3 (21,21 – 17,24); SiO2 (14,85 – 30,40); P2O5 (19,48 -13,34 %) finally Fe2O3 (8,544 – 10,74 %), and other oxides with concentrations in mg/kg (MnO, ZnO, Rb2O, SrO, ZrO2, Nb2O5, Sb2O5, Ta2O5); (2) Major Chemical Elements (%): Aluminum (11.22- 9.124); Silicon (6.939-14.21); Phosphate (8.5-5.823 %) and several trace metallic elements that will be exposed in another soil and sediment matrix to assess the state of the environment prior to mining and petroleum activities. …”
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868
Evolution of the oxidation of V zigzag nanostructures on Si: Prime conditions to reach uniform thermochromic VO2(M) thin films
Published 2025-01-01“…This article reports on the oxidation of 100 nm-thick vanadium layers achieved by sputtering glancing-angle deposition on silicon, with opposite oblique columns creating a zigzag-like morphology, using a small overpressure continuous flow of air and an infrared lamps furnace. …”
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869
Co-Optimization of Power Delivery Network Design for 3-D Heterogeneous Integration of RRAM-Based Compute In-Memory Accelerators
Published 2025-01-01“…We analyze the impact of through-silicon via (TSV) design and placement to optimize the IR-drop and classification accuracy. …”
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870
Spin‐coating fabrication of high‐yield and uniform organic thin‐film transistors via a primer template growth
Published 2025-01-01“…Here, we report a universal approach employing a primer template (PT) to enhance the spreadability of small‐molecule solutions on silicon wafers, enabling the spin‐coating fabrication of uniform thin films composed of millimeter‐scale grains with complete large‐area coverage and well‐ordered molecular packing. …”
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871
The Role of Deep Geofluids in the Enrichment of Sedimentary Organic Matter: A Case Study of the Late Ordovician-Early Silurian in the Upper Yangtze Region and Early Cambrian in the...
Published 2020-01-01“…In the lower Cambrian shales of the Wangyinpu Formation in the lower Yangtze region, hydrothermal origin caused excess silicon. During the sedimentary period of the lower and middle-upper Wangyinpu Formation, vigorous hydrothermal activities increased the biological productivity on the waterbody’s surface and intensified the reducibility at the bottom of the waterbody, which enabled the rich sedimentary organic matter to be well preserved. …”
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872
FBMC vs. PAM and DMT for High-Speed Wireline Communication
Published 2024-01-01“…This paper demonstrates the first silicon-verified FBMC encoder and decoder designed to emulate beyond <inline-formula> <tex-math notation="LaTeX">$224Gb/s$ </tex-math></inline-formula> wireline communication. …”
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873
Temporal dynamics of summer phytoplankton communities and their response to environmental changes in the northern Yellow Sea (2011-2020)
Published 2025-01-01“…Temperature, temperature gradient (reflecting stratification intensity) and salinity exhibited upward trends, whereas pH, nitrogen-to-silicon (N/Si) ratio, and chlorophyll-a concentration showed downward trends. …”
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874
Materials and devices for high‐density, high‐throughput micro‐electrocorticography arrays
Published 2025-01-01“…Furthermore, recent findings highlight the need for further research and development in active transistor arrays, including silicon, metal oxide, and solution-gated transistors. …”
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875
Examine the impact of green-synthesized nanomaterials on the germination rates and seedling characteristics of African Marigold (Tagetes erecta L. var. Pusa Narangi Ganda and Pusa...
Published 2025-02-01“…Conclusion: The experiment showed that titanium dioxide (TiO2) nanoparticles at high concentrations enhance seed germination, while silver nanoparticles (AgNPs) hinder it. Silicon dioxide (SiO2) NPs at moderate concentrations support seedling growth. …”
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876
Convergent evidence for the temperature-dependent emergence of silicification in terrestrial plants
Published 2025-01-01“…Abstract Research on silicon (Si) biogeochemistry and its beneficial effects for plants has received significant attention over several decades, but the reasons for the emergence of high-Si plants remain unclear. …”
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877
Athermal Tantalum Pentoxide Mach-Zehnder Interferometers Based on Structural Compensation Method
Published 2025-01-01“…Unlike previous structural compensation studies that were applied on the thermal sensitive materials such as silicon, this work is implemented in tantalum pentoxide (Ta<sub>2</sub>O<sub>5</sub>) platform whose thermo-optic coefficient is low. …”
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878
Synergistic toughening of welds through adding SiC nanoparticles and modulating oscillating laser
Published 2025-03-01“…To enhance the strengths of welds on AZ31B Mg alloy, silicon carbide (SiC) nanoparticles can be added in welds to improve mechanical properties of welds. …”
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879
Stabilization and Solidification of Produced Tailings in the Lead Extraction Process Using Brine Leaching Method
Published 2024-10-01“…Analysis of the S/S tailings and the S/S sample (Ni16) revealed the formation of new minerals such as Gypsum, C-S-H (Calcium Silicate Hydrate), Ettringite, and Calcium Silicon. These minerals, resulting from the use of silica fume and cement and the hydration products of cement with the tailings, are likely contributors to the enhanced compressive strength of the samples.Discussion: While clarifying the negative impact of sand on the strength of the mixtures, it was observed that the percentages of cement and silica fume had a direct correlation with the compressive strength of the samples. …”
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880
Impact of Mn/Co substitution on magnetoelectric and structural properties of ZnO nanostructures thin films
Published 2025-02-01“…Doping concentration, substrate temperature, and substrate type (soda-lime glass and oriented silicon wafer) were systematically varied for potential spintronic applications. …”
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