Showing 201 - 220 results of 321 for search '"boron"', query time: 0.05s Refine Results
  1. 201

    Is the groundwater of Dhaka city, Bangladesh contaminated with naturally occurring potential toxic elements? by Mahir Tajwar, Mahfuzur Rahman, Mahfuzur Rahman, Shamiha Shafinaz Shreya, Nazmus Sakib, Md. Yousuf Gazi, Md. Yousuf Gazi, Mahmudul Hasan, Anika Samm-A, Anwar Zahid

    Published 2025-01-01
    “…Among these, only one sample (S-05) exceeded the WHO (2022) drinking water limits for Boron, and 10 samples surpassed the limits for Manganese. …”
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    Article
  2. 202

    Phase composition of cathodic deposits synthesized in flinak-k2taf7-kbf4 melt by Makarova O.V., Polyakova L.P., Polyakov E.G., Shevyryov A.A., Arakcheeva A.V.

    Published 2003-01-01
    “…The phase composition of cathodic deposits synthesized from FLINAK-K2TaF7-KBF4 melt has been studied by the X-ray diffraction method. It is shown that boron content in the electrodeposit grows as the cathodic potential is increased from peak R1 to peak R4 in the voltammogram. …”
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    Article
  3. 203

    Low Thermal Resistance of Diamond‐AlGaN Interfaces Achieved Using Carbide Interlayers by Henry T. Aller, Thomas W. Pfeifer, Abdullah Mamun, Kenny Huynh, Marko Tadjer, Tatyana Feygelson, Karl Hobart, Travis Anderson, Bradford Pate, Alan Jacobs, James Spencer Lundh, Mark Goorsky, Asif Khan, Patrick Hopkins, Samuel Graham

    Published 2025-02-01
    “…Sputtered carbide interlayers of boron carbide (B4C), silicon carbide (SiC), and a mixture of boron carbide and silicon carbide (B4C/SiC) are employed to reduce thermal boundary resistance in diamond/AlGaN interfaces. …”
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  4. 204
  5. 205

    Magnesium Borate Synthesis by Microwave Energy: A New Method by Azmi Seyhun Kipcak, Emek Moroydor Derun, Sabriye Piskin

    Published 2013-01-01
    “…Magnesium borates are one of the major groups of boron minerals that have important properties such as high heat and corrosion resistances and high coefficients of elasticity. …”
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    Article
  6. 206

    Understanding and Applying Chelated Fertilizers Effectively Based on Soil pH by Guodong Liu, Edward Hanlon, Yuncong Li

    Published 2012-11-01
    “…Those nutrients in concentrations of  ≤ 100 parts per million (ppm) in plant tissues are described as micronutrients and include iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), boron (B), chlorine (Cl), molybdenum (Mo), and nickel (Ni). …”
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    Article
  7. 207

    Understanding and Applying Chelated Fertilizers Effectively Based on Soil pH by Guodong Liu, Edward Hanlon, Yuncong Li

    Published 2012-11-01
    “…Those nutrients in concentrations of  ≤ 100 parts per million (ppm) in plant tissues are described as micronutrients and include iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), boron (B), chlorine (Cl), molybdenum (Mo), and nickel (Ni). …”
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    Article
  8. 208

    Vibrational Spectroscopy of Binary Titanium Borides: First-Principles and Experimental Studies by Urszula D. Wdowik, Agnieszka Twardowska, Bogusław Rajchel

    Published 2017-01-01
    “…The simulated Raman spectra together with literature data support interpretation and refinement of experimental spectra which reveal components arising from titanium dioxide (TiO2) and amorphous boron carbide (B4C) impurity phases as well as graphitic carbon. …”
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    Article
  9. 209

    Control of the ratio of monovalent and bivalent ions in drinking water treatment by nanofiltration method by D. V. Spitsov, A. G. Pervov, I. A. Abrosimova

    Published 2023-12-01
    “…The main problem is discussed that is related to application of reverse osmosis membranes method for quality drinking water production from underground water sources that contain dissolved contaminants dangerous for health such as: fluoride, ammonia, lithium, strontium, arsenic, boron etc. It is also mentioned that reverse osmosis is currently efficiently used for drinking water production. …”
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    Article
  10. 210

    STUDY OF SILICON-INSULATOR STRUCTURE DEFECTS BASED ON ANALYSIS OF A SPATIAL DISTRIBUTION OF A SEMICONDUCTOR WAFERS’ SURFACE POTENTIAL by R. I. Vorobey, O. K. Gusev, A. L. Zharin, A. N. Petlitsky, V. A. Pilipenko, A. S. Turtsevitch, A. K. Tyavlovsky, K. L. Tyavlovsky

    Published 2015-03-01
    “…Experiments were held using a thermally oxidized boron-doped silicon wafer. Visualized defect distribution map is in a good agreement with a preliminary data on defectproducing factors. …”
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    Article
  11. 211

    Activation of diffusion during the formation of boride layers on the surface of steel parts by S. M. Usherenko, V. G. Dashkevich, Yu. S. Usherenko

    Published 2021-07-01
    “…An increase in the layer thickness by 20–50 % and an increase in the proportion of the high-boron FeB phase relative to the variant of borating without preliminary activation were established.…”
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  12. 212
  13. 213

    Exploring the structure and properties of $$\alpha$$ -sheet based bilayer borophenes by Subrata Rakshit, Nevill Gonzalez Szwacki

    Published 2025-01-01
    “…Abstract Recent experimental realizations of bilayer boron materials motivated us to study the structure and properties of $$\alpha$$ -sheet-based bilayer borophenes with interlayer covalent bonds. …”
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  14. 214

    Fabrication, Characterization, and Impact of Heat Treatment on Sliding Wear Behaviour of Aluminium Metal Matrix Composites Reinforced with B4C by Krishna Mohan Singh, Akhilesh Kumar Chauhan

    Published 2021-01-01
    “…The materials selected for the analysis are Al7075 as a matrix, and the reinforcements are boron carbide. By using stir casting, metal matrix composites are manufactured by adding B4C as a reinforcement particulate in Al7075. …”
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  15. 215

    3D hydrogen-like screening effect on excitons in hBN-encapsulated monolayer transition metal dichalcogenides by S. Takahashi, S. Kusaba, K. Watanabe, T. Taniguchi, K. Yanagi, K. Tanaka

    Published 2024-11-01
    “…Abstract We observe both s-series and p-series excitons by using sum frequency generation spectroscopy on monolayer (1L-)MX2 (M = Mo, W, X = S, Se) encapsulated by hexagonal boron nitride (hBN). Moreover, we perform numerical calculations with the Rytova-Keldysh potential and obtain the relative dielectric constant of hBN among other parameters. …”
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  16. 216

    RESEARCH ON CBN GRINDING WHEEL PERFORMANCE MONITORING METHOD BASED ON SHANNON ENTROPY AND ACOUSTIC EMISSION SIGNAL (MT) by TAN YongMin, SHI Zhan, CHI YuLun, GU JiaJian

    Published 2023-01-01
    “…In order to effectively evaluate the grinding performance of CBN(Cubic Boron Nitride) grinding wheel in the grinding process, a monitoring method of CBN grinding wheel performance was proposed based on Shannon entropy theory and acoustic emission signal. …”
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    Article
  17. 217

    Effect of B2O3 Content on the Sintering Basic Characteristics of Mixed Ore Powder of Vanadium-Titanium Magnetite and Hematite by Hao Liu, Ke Zhang, Qingfeng Ling, Yuelin Qin

    Published 2020-01-01
    “…However, the compressive strength gradually decreases. Boron and calcium-magnesium-aluminium elements are abundant in the bonding phase, which can reduce the formation of calcium silicate and perovskite in H-VTM sintered samples.…”
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  18. 218

    Effect of temperature and adhesive defect on repaired structure using composite patch by Mohammed Abdulla, Meftah Hrairi, Abdul Aabid, Nur Azam Abdullah

    Published 2025-01-01
    “…Findings reveal that increased temperature substantially elevates SIF values. Boron/epoxy patches are most effective under mechanical loading, yielding the lowest SIF, while graphite/epoxy patches excel under thermo-mechanical loading due to their lower Coefficient of Thermal Expansion (CTE). …”
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  19. 219

    Photovoltaic and Physical Characteristics of Screen-Printed Monocrystalline Silicon Solar Cells with Laser Doping and Electroplated Copper by Chin-Lung Cheng, Chi-Chung Liu, Chun-Tin Yeh

    Published 2019-01-01
    “…Photovoltaic and physical characteristics of screen-printed monocrystalline silicon solar cells (SPMSCs) were presented with electroplated copper (EPC) as the rear contact. The boron back surface field (B-BSF) formed by spin-on doping and laser doping (LD) was prepared as a seed layer for the EPC. …”
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  20. 220

    Roles of doping in enhancing the performance of graphene/graphene-like semiconductors by Yuqi Zhou, Xinbo He, Mengyang Li

    Published 2025-01-01
    “…This paper reviews various doping types and their impacts on graphene, emphasizing the effects of boron (B) doping, nitrogen (N) doping, oxygen-group doping, other non-metallic atom or atomic pair doping, and metallic doping. …”
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    Article