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Journal articles on the topic 'Boron contamination'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Zheng, Zhaoxian, Yan Zhang, and Bingyan Li. "Sensitivity Assessment of Boron Isotope as Indicator of Contaminated Groundwater for Hydraulic Fracturing Flowback Fluids Produced from the Dameigou Shale of the Northern Qaidam Basin." Sustainability 15, no. 6 (2023): 5481. http://dx.doi.org/10.3390/su15065481.

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Hydrogeochemical processes occurring in contaminated groundwater and aquifer systems may reduce the sensitivity of boron isotopes as an indicator of hydraulic fracturing flowback fluids (HFFF) in groundwater. In this paper, based on the Chaiye-1 well (the first continental shale gas well in the northern Qaidam Basin), the hydrogeochemical processes affecting boron isotopes were analyzed in HFFF-contaminated Neogene (NG1 and NG2) and Quaternary (QG1) groundwater around the shale gas field. Then, a model for boron isotopes in HFFF-contaminated groundwater was constructed to assess the sensitivit

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2

Bilici Baskan, Meltem, and Nevsi Atalay. "Boron contamination in drinking - irrigation water and boron removal methods." Pamukkale University Journal of Engineering Sciences 20, no. 3 (2014): 78–84. http://dx.doi.org/10.5505/pajes.2014.47955.

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3

Briand, Cyrielle, Valérie Plagnes, Mathieu Sebilo, et al. "Combination of nitrate (N, O) and boron isotopic ratios with microbiological indicators for the determination of nitrate sources in karstic groundwater." Environmental Chemistry 10, no. 5 (2013): 365. http://dx.doi.org/10.1071/en13036.

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Environmental context Nitrate contamination of drinking water quality may be critical, particularly in rural areas where agricultural practices may release large amounts of nitrogen. Knowledge of the source of such contamination, mandatory for water supply management, can be successfully acquired by combining the natural stable isotopes of nitrate, boron isotopic ratios and microbiological indicators. Abstract A new approach based on measurements of nitrate and boron isotopic composition associated with microbiological indicators for the determination of nitrate origin in karstic groundwater (

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4

Wahab, M. H. A., N. A. M. Jamail, E. Sulaiman, Q. E. Kamarudin, N. A. Othman, and S. M. N. S. Othman. "Space Charge and Electric Field Analysis on Contaminated XLPE Insulator." Indonesian Journal of Electrical Engineering and Computer Science 12, no. 1 (2018): 370. http://dx.doi.org/10.11591/ijeecs.v12.i1.pp370-377.

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<p>Nowadays, XLPE cable has been widely used because it has better resistance than other cables. XLPE insulation has unique features including a high dielectric strength and high insulation resistance. A lot of researches based on hardware and software have been conducted to prove the effectiveness of XLPE cable such as AC and DC applications and Space Charge Distribution measurement under HVDC at High Temperature. This research focused on analysis of space charge and electric field on XLPE cable with effect of non-uniform contamination layer by using Quickfield Software. Non-uniform con

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M., H. A. Wahab, A. M. Jamail N., Sulaiman E., E. Kamarudin Q., A. Othman N., and M. N. S. Othman S. "Space Charge and Electric Field Analysis on Contaminated XLPE Insulator." Indonesian Journal of Electrical Engineering and Computer Science 12, no. 1 (2018): 370–77. https://doi.org/10.11591/ijeecs.v12.i1.pp370-377.

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Nowadays, XLPE cable has been widely used because it has better resistance than other cables. XLPE insulation has unique features including a high dielectric strength and high insulation resistance. A lot of researches based on hardware and software have been conducted to prove the effectiveness of XLPE cable such as AC and DC applications and Space Charge Distribution measurement under HVDC at High Temperature. This research focused on analysis of space charge and electric field on XLPE cable with effect of nonuniform contamination layer by using Quickfield Software. Non-uniform contamination

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6

Türker, Onur. "The Use of Wetlands in Boron (B) Remediation in Turkey." Wetland Science & Practice 32, no. 4 (2015): 15–17. http://dx.doi.org/10.1672/ucrt083-274.

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Boron (B) contamination of water sources from mining and other activities have aroused more and more global attention (Wolska and Bryjak, 2013). The known boron (B) mine reserves all over the world are mainly located in Turkey, the United States, China and South America. On the other hand, Turkey contains approximately 70% of total B reserves with 803 million tons, and has supplied the majority of the B used in the world, so that the potential for the contamination of freshwater resources there is high.

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7

Purnama, Titin. "OPTIMASI DOSIS PUPUK KALSIUM DAN BORON UNTUK MENGENDALIKAN CEMARAN GETAH KUNING PADA BUAH MANGGIS." Informatika Pertanian 25, no. 1 (2016): 29. http://dx.doi.org/10.21082/ip.v25n1.2016.p29-40.

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Yellow latex is commonly called gamboge and is a latex produced in all parts of the mangosteen. Yellow sap becomes a problem when it gets out of the ruptured channel, and contaminates the aryl and pericarp. Ruptured channel of yellow latex is presumably because the walls of the epithelial cells of the yellow latex channels is Calcium deficiency. In addition, Boron has also the same function in maintaining the integrity of the cell wall. This research was aimed to know the roles of calcium and boron in controlling contamination yellow latex on the mangosteen fruit, and to obtain the best combin

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8

Casel, A. "Boron contamination of in situ heated silicon surfaces." Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 5, no. 6 (1987): 1650. http://dx.doi.org/10.1116/1.583643.

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9

Hudak, Paul F. "Boron and Selenium Contamination in South Texas Groundwater." Journal of Environmental Science and Health, Part A- Toxic/Hazardous Substances & Environmental Engineering 39, no. 11-12 (2004): 2827–34. http://dx.doi.org/10.1081/lesa-200033893.

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10

Codegoni, Davide, Maria Luisa Polignano, Valter Soncini, and Camillo Bresolin. "Molybdenum Contamination in Indium and Boron Implantation Processes." ECS Transactions 10, no. 1 (2019): 85–94. http://dx.doi.org/10.1149/1.2773979.

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11

Yuan, Chengyuan, Lei Zhou, Qiang Chen, Chengzhuang Su, Zhongfu Li, and Guannan Ju. "The Research on Anti-Nickel Contamination Mechanism and Performance for Boron-Modified FCC Catalyst." Materials 15, no. 20 (2022): 7220. http://dx.doi.org/10.3390/ma15207220.

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Fluid catalytic cracking (FCC) is still a key process in the modern refining area, in which nickel-contamination for an FCC catalyst could obviously increase the dry gas and coke yields and thus seriously affect the stability of the FCC unit. From the points of surface acidity modification and Ni-passivation, in this paper, a boron-modified FCC catalyst (BM-Cat) was prepared using the in situ addition method with B2O3 as a boron source and emphatically investigated its mechanism and performance of anti-nickel contamination. The mechanism research results suggested that, in calcination, boron c

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12

Algrifi, Mostafa Ahmed, and Thaer M. Salman. "Boron Concentration in Groundwater from Southern Basrah Governorate - Iraq." Biomedicine and Chemical Sciences 1, no. 4 (2022): 249–53. http://dx.doi.org/10.48112/bcs.v1i4.257.

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In southern Basrah in Iraq, this research is aimed at measuring the concentrations of Boron 10B5. Measuring the water wells and water samples collected at 43 different locations were carried out using the Inductively coupled plasma/Optical Emission Spectrometry (ICP-OES) method. The concentration ranged from 0.2 mg/L (Al Marbad District) to 9.3 mg/L (Al Shuaiba farm 2). The study's findings are given and compared to those of other studies. These observations could be used to make an additionally unique contribution to the preservation and application of water quality standards to related organ

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Mostafa, Ahmed Algrifi, and M. Salman Thaer. "Boron Concentration in Groundwater from Southern Basrah Governorate - Iraq." Biomedicine and Chemical Sciences 1, no. 4 (2022): 249–53. https://doi.org/10.48112/bcs.v1i4.257.

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In southern Basrah in Iraq, this research is aimed at measuring the concentrations of Boron <sup>10</sup>B<sub>5</sub>. Measuring the water wells and water samples collected at 43 different locations were carried out using the Inductively coupled plasma/Optical Emission Spectrometry (ICP-OES) method. The concentration ranged from 0.2 mg/L (Al Marbad District) to 9.3 mg/L (Al Shuaiba farm 2). The study's findings are given and compared to those of other studies. These observations could be used to make an additionally unique contribution to the preservation and application of water qua

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14

Kubota, Kaoru, Tsuyoshi Ishikawa, Kazuya Nagaishi, et al. "Comprehensive analysis of laboratory boron contamination for boron isotope analyses of small carbonate samples." Chemical Geology 576 (August 2021): 120280. http://dx.doi.org/10.1016/j.chemgeo.2021.120280.

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15

Han, Daxing, J. I. Pankove, Y. S. Tsuo, C. H. Qiu, and Y. Xu. "Improvement of a–Si1−xCx: H/a–Si: H p/i interface by hydrogen–plasma flushing studied by photoluminescence." Journal of Materials Research 6, no. 9 (1991): 1900–1904. http://dx.doi.org/10.1557/jmr.1991.1900.

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A hydrogen–plasma reactive flush of the glow discharge reactor after boron–doped a–Si1−xCx : H film deposition has been used to reduce boron contamination of subsequently deposited intrinsic a–Si:H. Photoluminescence studies of p/i structures in a–Si: H show that the hydrogen–plasma process increases both the luminescence efficiency and the activation energy for the competing nonradiative recombination. The process also shifts the emission peak to higher energies by 25 meV.

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16

Hirano, M., and S. Miyake. "The Reduction of Adhesion by Ion Implantation." Journal of Tribology 107, no. 4 (1985): 467–71. http://dx.doi.org/10.1115/1.3261110.

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The effects of boron and argon ion implantation on the tribological characteristics of SUS440C stainless steel, sliding against a SUS440C ball (unimplanted) were investigated at room temperature using a friction test apparatus employing a ball-plate geometry in the absence of a lubricant. Wear performance was estimated using a profilometer tracing of the specimen wear track. Boron implantation reduced both the friction and wear of SUS440C. The friction coefficient of SUS440C was reduced from 0.75 to 0.15. SEM observations of wear track topography suggest that the reduction of the friction coef

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17

Ihsan Razzaq Shia and Abbas Abd Sweaf. "Investigation of Boron Concentrations in the Water of Rivers and Wells in Northern Regions of Thi-Qar Province Using SSNTDs Technique." University of Thi-Qar Journal of Science 11, no. 2 (2024): 126–31. https://doi.org/10.32792/utq/utjsci/v11i2.1272.

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The Iraqi environment is polluted, especially in the southern region, due to human domestic activities, such as sewage water containing boron due to washing powders that boron participates in producing, which are not connected to sewage networks and are poured into the river water, in addition to industrial facilities and farmers' use of fertilizers that contain boron, which also contributed effectively to increasing the concentration of boron, as the work areas work specifically to monitor minerals in the water sample, which is essential to controlling the human environment in the north of Th

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18

Vengosh, A., K. G. Heumann, S. Juraske, and R. Kasher. "Boron Isotope Application for Tracing Sources of Contamination in Groundwater." Environmental Science & Technology 28, no. 11 (1994): 1968–74. http://dx.doi.org/10.1021/es00060a030.

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19

Takeyama, M., and C. T. Liu. "Grain-boundary contamination and ductility loss in boron-doped Ni3Al." Metallurgical Transactions A 20, no. 10 (1989): 2017–23. http://dx.doi.org/10.1007/bf02650288.

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20

Tukiainen, Antti, Jari Likonen, Lauri Toikkanen, and Tomi Leinonen. "Unintentional boron contamination of MBE-grown GaInP/AlGaInP quantum wells." Journal of Crystal Growth 425 (September 2015): 60–63. http://dx.doi.org/10.1016/j.jcrysgro.2015.02.048.

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21

Carlson, Charles G., Judith E. Hall, Yan Y. Huang, Sirpa Kotila, Arvi Rauk, and Donald F. Tavares. "The preparation of esters of formic acid using boron oxide." Canadian Journal of Chemistry 65, no. 10 (1987): 2461–63. http://dx.doi.org/10.1139/v87-411.

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Boron oxide has been found to act as an efficient reagent in the preparation of a number of formate esters by the direct esterification of formic acid with the alcohol. The reaction is most appropriate for primary and secondary alcohols, including unsaturated alcohols. The formate ester so produced is free of contamination by unreacted alcohol.

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22

M.SALMAN, Thaer, and Ali F.HABEEB. "MEASUREMENT OF BORON CONCENTRATION IN PARTS OF THE IRAQI MARINE ENVIRONMENT USING ICP-OES TECHNIQUE." MINAR International Journal of Applied Sciences and Technology 2, no. 3 (2020): 15–20. http://dx.doi.org/10.47832/2717-8234.3-2.3.

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This research aims to evaluation the concentration of boron in the samples collected from parts of the Iraqi marine environment starting from Umm Qasr port to the deep oil port within the Arabian Gulf, where the study included 18 samples. Laboratory examination was done by inductively coupled plasma optical emission spectrometry technology. The obtained boron concentrations ranged between 3.3846ppm at The waterway of Khor Al-Zubair 1 and 7.3956ppm at the waterway of Khor Al-Zubair 3 within the Iraqi marine environment. The results can be utilized to provide distinct complementary contributions

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23

Fatnassi, Salma, Georg Hörmann, Nicola Fohrer, Jose Navarro-Pedreño, and Mohamed Hachicha. "Boron in Soil, Drainage Water and Groundwater in Long-Term Irrigated Area by Treated Wastewater in Northeast Tunisia." Soil Systems 9, no. 1 (2025): 8. https://doi.org/10.3390/soilsystems9010008.

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Boron (B) in soils originates from both natural and human sources, such as agriculture and industry, which contribute boron via fertilizers and irrigation water. Using treated wastewater (TWW) for irrigation is a strategy to address water scarcity in agriculture within arid areas like Tunisia; however, it introduces a risk of B contamination. Thus, the primary objective of this study is to assess the levels of B contamination throughout the entire irrigation system of the TWW “Cebala Borj-Touil” in Northeast Tunisia. To evaluate the lasting impact of TWW irrigation on B and the dynamics of phy

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24

Stevie, F. A., E. P. Martin, P. M. Kahora, et al. "Boron contamination of surfaces in silicon microelectronics processing: Characterization and causes." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 9, no. 5 (1991): 2813–16. http://dx.doi.org/10.1116/1.577206.

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25

Stevie, F. A., S. W. Downey, S. Brown, et al. "Microscale Elemental Imaging of Semiconductor Materials Using Focused Ion Beam Sims." Microscopy and Microanalysis 4, S2 (1998): 650–51. http://dx.doi.org/10.1017/s1431927600023370.

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The semiconductor industry demands elemental information from ever smaller regions. Two types of information in demand are two dimensional dopant profiles for the MOS transisitor and identification of particles as small as 30 nm diameter. The work of Levi-Setti and others resulted in liquid metal ion source (LMIS) instruments that provided secondary ion mass spectrometry (SIMS) images using Ga+ beams with 20 nm lateral resolution. It is now possible to purchase focused ion beam (FIB) systems with 5 nm beam capability and SIMS detection.The application of LMIS SIMS to meet semiconductor demands

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26

Bunel, F., J. Carré, M. Legeas, and M. Etienne. "The possible reuse of wastewater treated by lagooning for the irrigation of field crops." Water Science and Technology 31, no. 12 (1995): 409–16. http://dx.doi.org/10.2166/wst.1995.0509.

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At the output from the lagooning system in the rural community of Saint-Coulomb, the effluent is of acceptable physical-chemical quality for the purposes of irrigation but care should be taken with regard to the irrigation of boron-sensitive plants. As far as contamination by metals is concerned, the effluent is of the domestic type and can therefore be used without restriction. Monitoring of effluent quality during the summer months reveals that levels of thermotolerant coliform contamination do not always lie below the value fixed by the C.H.S.P.F. for the irrigation of plants eaten raw (104

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27

-, Isna Lailatusholihah, Aisyiah Restutiningsih Putri Utami, and Micha Mahardika. "Determination of Boron Concentration at Sausage Samples with Distillation of Ester Borane Method using Fluorescence Spectrophotometry." KOVALEN: Jurnal Riset Kimia 9, no. 3 (2023): 278–84. http://dx.doi.org/10.22487/kovalen.2023.v9.i3.16673.

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The study of borax contamination in food samples was successfully analyzed. This study used sausage samples using the Fluorescence Spectrophotometry method. Sausage samples were from Daerah Istimewa Yogyakarta (DIY). This study used 4 sausage samples. The samples were given labels A, B, C, and D. The steps of the research were optimation of distillation time, optimation of catalyst, optimation of solvent, and then followed by analyzing the borax concentration on sausage samples. Based on this study, the optimum distillation time was 24 hours. On the other hand, the best catalysts and solvents

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28

Chetelat, Benjamin, and Jérôme Gaillardet. "Boron Isotopes in the Seine River, France: A Probe of Anthropogenic Contamination." Environmental Science & Technology 39, no. 8 (2005): 2486–93. http://dx.doi.org/10.1021/es048387j.

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29

Barth, Susanne. "Application of boron isotopes for tracing sources of anthropogenic contamination in groundwater." Water Research 32, no. 3 (1998): 685–90. http://dx.doi.org/10.1016/s0043-1354(97)00251-0.

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30

Nigro, Angela, Giuseppe Sappa, and Maurizio Barbieri. "Application of boron and tritium isotopes for tracing landfill contamination in groundwater." Journal of Geochemical Exploration 172 (January 2017): 101–8. http://dx.doi.org/10.1016/j.gexplo.2016.10.011.

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31

Ptak, A. J., K. S. Ziemer, M. R. Millecchia, C. D. Stinespring, and T. H. Myers. "Influence of Active Nitrogen Species on the Nitridation Rate of Sapphire." MRS Internet Journal of Nitride Semiconductor Research 4, S1 (1999): 161–66. http://dx.doi.org/10.1557/s1092578300002398.

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The operating regimes of two rf-plasma sources, an Oxford CARS-25 and an EPI Unibulb, have been extensively characterized. By changing the exit aperture configuration and using an electrostatic deflector, the Oxford source could produce either primarily atomic nitrogen, atomic nitrogen mixed with low energy ions, or a large flux of higher energy ions (>65 eV) as the active species in a background of neutral molecular nitrogen. The EPI source produced a significant flux of metastable molecular nitrogen as the active species with a smaller atomic nitrogen component. Nitridation of sapphire us

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Tulemisova, Gul'zhamal, Rauan Abdinov, Gaukhar Kabdrakhimova, and Тalap Janetov. "Ecological state of the river Ural." Chemical Bulletin of Kazakh National University, no. 2 (June 30, 2017): 18–24. http://dx.doi.org/10.15328/cb808.

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The article describes the ecological state of the Ural River at the present stage. Hydrochemical regime of the reservoir is an important indicator to regulating the number of water resources. As the Ural River is the transboundary reservoir, it is prone to contamination from various areas in the upper and middle reaches. Monitoring of the ecological state of the Ural River showed the presence of anthropogenic pollution. The hydrochemical regime of the reservoir is subject to changes in seasonal variations in water composition. In spring, with flood waters, the main pollution enters the river,

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33

Dotsika, E., D. Poutoukis, J. L. Michelot, and W. Kloppmann. "Stable Isotope and Chloride, Boron Study for Tracing Sources of Boron Contamination in Groundwater: Boron Contents in Fresh and Thermal Water in Different Areas in Greece." Water, Air, and Soil Pollution 174, no. 1-4 (2006): 19–32. http://dx.doi.org/10.1007/s11270-005-9015-8.

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34

Simons, D. S., P. H. Chi, and D. B. Novotny. "Evidence from SIMS of Doubly-Charged Boron Contamination During Singly Charged-Ion Implantation." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 2 (1990): 316–17. http://dx.doi.org/10.1017/s0424820100135186.

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When a dopant is introduced into a semiconductor material by ion implantation, it is sometimes desirable to accelerate and implant the ion in a multiply-charged state. This has the effect of increasing the energy and range of the ion without increasing the accelerating potential. Most modern ion implanters are of the pre-analysis type. In this design the ions are first accelerated through a modest extraction potential, e.g., 25 keV. This is followed by deflection for mass-to-charge selection in an analyzer magnet, after which the selected ions undergo final acceleration. Charge-exchange reacti

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35

Widdershoven, F. P., J. Haisma, and J. P. M. Naus. "Boron contamination and antimony segregation at the interface of directly bonded silicon wafers." Journal of Applied Physics 68, no. 12 (1990): 6253–58. http://dx.doi.org/10.1063/1.346866.

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Vengosh, A., S. Barth, K. G. Heumann, and S. Eisenhut. "Boron Isotopic Composition of Freshwater Lakes from Central Europe and Possible Contamination Sources." Acta hydrochimica et hydrobiologica 27, no. 6 (1999): 416–21. http://dx.doi.org/10.1002/(sici)1521-401x(199912)27:6<416::aid-aheh416>3.0.co;2-2.

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Wang, Fan, Minghai Fang, Peng Yu, et al. "Effects of Fe Contamination on the Reliability of Gate Oxide Integrity in Advanced CMOS Technology." Electronics 13, no. 12 (2024): 2391. http://dx.doi.org/10.3390/electronics13122391.

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Fe contamination has always been one of the most critical issues in the integrated circuit (IC) industry due to its catastrophic effect on device reliability and electrical characteristics. With complementary metal oxide semiconductor (CMOS) technology scaling down, this issue has been attracting more attention. In this paper, the impact of Fe impurity on the reliability of gate oxide integrity (GOI) in advanced CMOS technology is investigated. Intentional contamination of polysilicon gates was conducted in both boron- and phosphorus-doped devices. Failure analysis of the gate oxide was conduc

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Marschall, H. R., and T. Ludwig. "The low-boron contest: minimising surface contamination and analysing boron concentrations at the ng/g-level by secondary ion mass spectrometry." Mineralogy and Petrology 81, no. 3-4 (2004): 265–78. http://dx.doi.org/10.1007/s00710-004-0037-5.

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Arouche, Tiago da Silva, Rosely Maria dos Santos Cavaleiro, Phelipe Seiichi Martins Tanoue, Tais Sousa de Sa Pereira, Tarciso Andrade Filho, and Antonio Maia de Jesus Chaves Neto. "Heavy Metals Nanofiltration Using Nanotube and Electric Field by Molecular Dynamics." Journal of Nanomaterials 2020 (May 11, 2020): 1–12. http://dx.doi.org/10.1155/2020/4063201.

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Heavy metal contamination in the world is increasing the impact on the environment and human life. Currently, carbon nanotubes and boron are some possible ideals for the nanofiltration of heavy metals due to the property of ion selectivity, optimized by the applications of the surface and the application of an external electric field. In this work, molecular dynamic was used to transport water with heavy metals under the force exerted by the electric field action inside nanotubes. This external electric field generates a propelling electrical force to expel only water molecules and retain ions

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40

Al-Amiri, Qais Ataallah, and Raid Shaalan Jarallah. "Boron Content in Irrigated Alfalfa Plant (Medicago sativa L.) from Al-Hillah River Contaminated with Sewage Water / Iraq." IOP Conference Series: Earth and Environmental Science 1487, no. 1 (2025): 012193. https://doi.org/10.1088/1755-1315/1487/1/012193.

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Abstract This study aims to assess the impact of sewage water and urban liquid waste discharge into the Al-Hillah River in Babylon Province, Iraq, which is utilized for irrigating cultivated alfalfa plants in fields adjacent to the river throughout various seasonal cycles. Sampling was conducted across four distinct seasons: summer (July 2023), autumn (October 2023), winter (January 2024), and spring (April 2024), from three specific locations. The first site, located in northern Babil (Al-Mahawil), served as a control point. The second site, situated in the city center, was subject to multipl

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41

Al-Farraj, Abdullah S., Mohammad I. Al-Wabel, Mohamed Hamza El-Saeid, Ahmed H. El-Naggar, and Zaheer Ahmed. "Evaluation of Groundwater for Arsenic Contamination Using Hydrogeochemical Properties and Multivariate Statistical Methods in Saudi Arabia." Journal of Chemistry 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/812365.

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The aim of this research is to evaluate arsenic distribution and associated hydrogeochemical parameters in 27 randomly selected boreholes representing aquifers in the Al-Kharj geothermal fields of Saudi Arabia. Arsenic was detected at all sites, with 92.5% of boreholes yielding concentrations above the WHO permissible limit of 10 μg/L. The maximum concentration recorded was 122 μg/L (SD = 29 μg/L skewness = 1.87). The groundwater types were mainly Ca+2-Mg+2-SO4-2-Cl−and Na+-Cl−-SO4-2, accounting for 67% of the total composition. Principal component analysis (PCA) showed that the main source of

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Ryabov, A. V. "Comparative Characteristics of Free-Machining Steels of Cr-Mo Type." Solid State Phenomena 299 (January 2020): 670–75. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.670.

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The work investigates the properties of lead-free free-machining steel grade A30KhMAR, containing BN inclusions, in comparison with the base Cr-Mo steel 30KhM, lead-bearing AS30KhM, lead-calcium-bearing ASTs30KhM, calcium-bearing ATs30KhM, bismuth-calcium-bearing AVTs30KhM and tin-bearing AО30KhM. Effect of bismuth, calcium, lead, tin and boron nitride inclusions on steel susceptibility to temper brittleness and cold brittleness is studied. Contamination of steels with non-metallic inclusions is estimated. End-quench hardenability curves of the test steel A30KhMAR are obtained. Free-machining

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Rastogi, A. C., C. K. Teh, and F. L. Weichman. "A mechanism for induced surface degradation of high-resistive GaAs during device fabrication." Canadian Journal of Physics 63, no. 6 (1985): 740–47. http://dx.doi.org/10.1139/p85-118.

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Undoped, liquid-encapsulated-Czochralski (LEC)-grown, semi-insulating (SI) GaAs crystals were electrically characterized by temperature-dependent Hall effects and conductivity measurements to establish the mechanism for thermally induced surface degradation. X-ray photoelectron spectroscopy (XPS) was used to obtain depth profiles of the Ga and As composition, and the nature of the defect complexes and their changes were determined using Fourier-transform infrared spectroscopy (FTIR). Boron-related inhomogeneities were found to occur, and although it is normally considered a passive impurity, w

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Knights, A. P., and Paul G. Coleman. "Sensitivity of Positron Annihilation Spectroscopy to Energy Contamination in Low Energy Boron Ion Implantation." Materials Science Forum 445-446 (January 2004): 123–25. http://dx.doi.org/10.4028/www.scientific.net/msf.445-446.123.

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Roig-Navarro, A. F., F. J. López, R. Serrano, and F. Hernández. "An assessment of heavy metals and boron contamination in workplace atmospheres from ceramic factories." Science of The Total Environment 201, no. 3 (1997): 225–34. http://dx.doi.org/10.1016/s0048-9697(97)84059-4.

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Assadpour, Manijeh, Soraya Heuss-Aßbichler, and Mahdi Jafari Bari. "Boron Contamination in the West of Lake Urmia, NW Iran, Caused by Hydrothermal Activities." Procedia Earth and Planetary Science 17 (2017): 554–57. http://dx.doi.org/10.1016/j.proeps.2016.12.140.

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Çöl, Meltem, and Cavit Çöl. "Environmental boron contamination in waters of Hisarcik area in the Kutahya Province of Turkey." Food and Chemical Toxicology 41, no. 10 (2003): 1417–20. http://dx.doi.org/10.1016/s0278-6915(03)00160-1.

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Chen, Jun, Deren Yang, Zhenqiang Xi та Takashi Sekiguchi. "Recombination activity of Σ3 boundaries in boron-doped multicrystalline silicon: Influence of iron contamination". Journal of Applied Physics 97, № 3 (2005): 033701. http://dx.doi.org/10.1063/1.1836009.

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Lochana, Weerarathna Vidana Arachchige Sachindra, and Sachini Nethmini Hettiarachchi. "Boron neutron capture therapy and environmental health." Bulgarian Journal of Soil Science, Agrochemistry and Ecology 58, no. 3 (2024): 23–35. http://dx.doi.org/10.61308/dccz1136.

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Boron Neutron Capture Therapy (BNCT) is an innovative cancer treatment modality that exploits neutron beams to specifically destroy malignant cells. Despite its assuring clinical benefits, BNCT familiarizes itself with unique environmental health considerations, including radiation safety, waste supervision, and potential ecological ramifications. This review investigates these aspects by appraising radiation safety protocols, waste disposal procedures, and environmental monitoring implementations associated with BNCT facilities. Effective radiation shielding and demanding safety protocols are

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Zessner, M., A. P. Blaschke, A. H. Farnleitner, R. Fenz, G. G. Kavka, and H. Kroiss. "Risks for groundwater contamination from domestic waste water: tracers, model applications and quality criteria." Water Supply 7, no. 3 (2007): 121–30. http://dx.doi.org/10.2166/ws.2007.074.

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Infiltration of municipal or domestic waste water happens as unwanted or even planned form of waste water disposal as: infiltration of septic tank effluents, leakage from pits in rural areas, exfiltration from sewer systems and infiltration of biologically treated waste water in regions with lack of receiving surface waters. Suitable markers for domestic waste water in groundwater are boron (low dilution) and carbamazepine (high dilution). Pathogens and oxygen depletion represent the main risk for drinking water quality arising from domestic waste water in groundwater. Even infiltration of bio

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