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Journal articles on the topic 'Fumes extraction'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Biessikirski, Andrzej, Przemysław Bodziony, and Michał Dworzak. "Energy Consumption and Fume Analysis: A Comparative Analysis of the Blasting Technique and Mechanical Excavation in a Polish Gypsum Open-Pit Mine." Energies 17, no. 22 (2024): 5662. http://dx.doi.org/10.3390/en17225662.

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This article presents a comparative assessment of energy consumption and fume emissions such as NOx, CO2, and CO associated with the excavation of a specified gypsum volume using two mining methods (blasting and mechanical extraction). The analysis was carried out based on a case study gypsum open-pit mine in Poland where both extraction methods are applied. The findings indicate that, for the same output volume, blasting operations require significantly less energy (ranging from 1298.12 MJ to 1462.22 MJ) compared to mechanical excavation (86,654.15 MJ). Furthermore, a substantial portion of t

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Khan, Basheer, Shanomae Eastman, Abdu Yearwood, et al. "Design and Computational Fluid Dynamics Analysis of a Fume Extraction System for a Welding Company in Guyana." Journal of Energy Research and Reviews 15, no. 3 (2023): 43–57. http://dx.doi.org/10.9734/jenrr/2023/v15i3315.

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The arc welding operation results in harmful fumes being emitted where welders are exposed to dangerous metallic gases and fumes for 6 to 8 hours daily at INFAB welding company in Guyana. This paper presents a design of a fume extraction system, the design incorporates workspace dimensions, volume calculations, duct materials required, framework materials, airflow requirements, and fan selection, guided by a target of 6 air changes per hour (ACH). In addition, the calculated required airflow rate of 58,500 ft³/h ensures the selection of appropriate fans. The design aims to create a safe and he

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Andrews, Ronnee N., Michael Keane, Kevin W. Hanley, H. Amy Feng, and Kevin Ashley. "Manganese speciation of laboratory-generated welding fumes." Analytical Methods 7, no. 15 (2015): 6403–10. http://dx.doi.org/10.1039/c5ay01147g.

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Brand, Peter, Benjamin Ebert, André Esser, and Rahul Sharma. "Direct Exposure of Welders to Welding Fumes and Effect of Fume Extraction Systems Under Controlled Conditions." Journal of Occupational & Environmental Medicine 63, no. 6 (2021): 490–502. http://dx.doi.org/10.1097/jom.0000000000002167.

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Vassie, L., and J. R. Tyrer. "Extraction and filtration of laser produced fumes and degradation products." Optics & Laser Technology 25, no. 2 (1993): 62. http://dx.doi.org/10.1016/0030-3992(93)90094-v.

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Guillem-Llobat, Ximo. "Medical Experts and Agnotology in the Fumes Controversy of the Huelva Copper Mines (1888–1890)." Medical History 61, no. 3 (2017): 424–43. http://dx.doi.org/10.1017/mdh.2017.36.

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Huelva’s copper mines (Spain) have been active for centuries but in the second half of the nineteenth century extractive activities in Riotinto, Tharsis, and other mines in the region were intensified in order to reach world leadership. The method used in these mines for copper extraction from low grade ores generated continuous emissions of fumes that were extremely controversial. The inhabitants had complained about the fumes for decades but as activity intensified so did complaints. The killing of anti-fumes demonstrators in 1888 led to the passing of a Royal Decree banning the open-air roa

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Li, Chen Zhe, Hong Yan Xie, and Hui Xin Jin. "Extraction Technology for Manganese Sulfate Solution Purification." Engineering Chemistry 1 (March 30, 2023): 45–56. http://dx.doi.org/10.4028/p-6oe21m.

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Manganese sulfate is an important base manganese salt; nearly 80% of the world's manganese products are produced using manganese sulfate or manganese sulfate solution. Furthermore, manganese sulfate has many applications in industry and agriculture; thus, manganese sulfate solution impurity removal technology is important. This study aims to remove impurities from manganese sulfate solution-using complex low-grade manganese ore and manganese-rich fumes after pressure acid leaching to obtain a manganese sulfate solution, which is then purified through iron removal by oxidation neutralization; f

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McAllister, Bría Joyce, Rushad Malhotra Mukhtyar, Samuel Cai, Karen Brown, Selina Lock, and Sam Khan. "Relationship between household air pollution and lung cancer in never smokers in high-income countries: a systematic review." BMJ Open 15, no. 6 (2025): e093870. https://doi.org/10.1136/bmjopen-2024-093870.

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ObjectivesLung cancer is increasingly being diagnosed in non-smokers, with mounting evidence that household air pollution is a potential factor. Environmental risk factors for lung cancer in never-smokers (LCINS) in relation to combustion of biomass for heating and cooking in low-middle-income countries (LMICs) have been extensively explored. However, such evidence in high-income countries (HICs) is limited. We conducted a systematic review to explore potential relationships between exposure to cooking fumes, a type of household air pollution, and lung cancer, specifically in relation to never

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Biessikirski, Andrzej, Michał Dworzak, Mateusz Pytlik, and Sonia Nachlik. "Impact of the Type of Energetic Material on the Fume Emission in Open-Pit Mining." Sustainability 17, no. 5 (2025): 2075. https://doi.org/10.3390/su17052075.

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This study examines the fume emissions from various energetic materials utilized in open-pit mining, emphasizing the influence of chemical composition on their environmental impact. The analysis of fume emissions based on data from an open-pit mine reveals that the annual consumption of approximately 89.7 tons of ANFO, 121.4 tons of emulsion, or 137.8 tons of dynamite can result in total COx and NOx emissions ranging between 16,432.88 and 21,834.07 m3. The use of TNT boosters in ANFO and emulsion energetic material further amplified emissions; however, substituting TNT with dynamite for primin

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Saunders, C. J., D. Pocock, and G. Carter. "Controlling Gas Shielded Arc Welding Fumes using an On-Gun Extraction System." International Journal of Ventilation 9, no. 1 (2010): 77–82. http://dx.doi.org/10.1080/14733315.2010.11683869.

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Carrillo, A., and J. I. Drever. "Environmental assessment of the potential for arsenic leaching into groundwater from mine wastes in Baja Cali- fornia Sur, Mexico." Geofísica Internacional 37, no. 1 (1998): 35–39. http://dx.doi.org/10.22201/igeof.00167169p.1998.37.1.2158.

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   Arsenolite (As203)was historically produced as a byproduct of gold and silver extraction in southernmost Baja California Peninsula. There are in the San Antonio-El Triunfo area more than 800,000 tonnes of mine waste material with an average content of 4% arsenic oxide. The chemical reaction to produce arsenic trioxide (arsenolite) was the oxidation of arsenopyrite (AsFeS) with gold (ore) to produce iron oxides (Fe203) with gold and releasing SO2and As203 fumes. During the process the arsenic fumes sublimated onto the inner walls of old, mineral processing plants. When the

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Ma, Mingtian, Hong Lu, Zidong Wu, et al. "A Two-Stage Welding Control System Combining Rule-Based and Data-Driven Vision." Symmetry 17, no. 4 (2025): 611. https://doi.org/10.3390/sym17040611.

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With the development of welding automation and intelligence, computer vision-based welding process monitoring technologies have become increasingly applied. However, interference factors such as welding fumes, spatter, and intense arc light in the welding environment significantly affect the performance of existing welding monitoring and control technologies. To address this issue, this paper proposes a novel method for extracting molten pool dimensions that integrates rule-based and data-driven vision approaches and introduces a welding speed control system that considers the stability of the

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Teixeira, Miguel Jose. "An Unexpected Occupational Hazard: Chronic Beryllium Disease in a Jeweller." Archives of Clinical and Experimental Pathology 3, no. 1 (2024): 01–06. https://doi.org/10.31579/2834-8508/025.

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Beryllium is used widely in industry due to its favourable elemental properties. Its extraction and incorporation into alloys and composites generate hazardous fumes and dust. Chronic beryllium disease (CBD) is an occupational interstitial lung disease that clinically resembles sarcoidosis. We present a case of a 33-year-old jeweller who developed CBD from exposure to dust while grinding unfinished gemstones. While workplace protection exists for beryllium workers, the health risks are unrecognised in artisans. While most cases are diagnosed in industry, some are linked to novel or unexpected

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Sevelka, Tony. "Sustainable Land Use Planning in Ontario: Protecting Against Aggregate Extraction Operations." Grassroots Journal of Natural Resources 8, no. 1 (2024): 82–137. https://doi.org/10.33002/nr2581.6853.080104.

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Ontario Land Use Planners who assist the Aggregate Extraction Industry often fail to recognize that aggregate extraction is among the most noxious, toxic and destructive land uses, and a major source of land use conflict. These operations frequently leave little or no possibility for rehabilitation to an economically viable state, particularly since Section 12 of the Aggregate Resources Act (ARA) does not prohibit extraction below the water table. An ill-defined and inadequate body of land use planning knowledge among Members of the Ontario Professional Planners Institute (OPPI) perpetuates an

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Englund, Finn, and Ralph M. Nussbaum. "Monoterpenes in Scots Pine and Norway Spruce and their Emission during Kiln Drying." Holzforschung 54, no. 5 (2000): 449–56. http://dx.doi.org/10.1515/hf.2000.075.

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Summary Scots pine (Pinus silvestris) and Norway spruce (Picea abies) were dried in a laboratory kiln, using conventional schedules with temperatures up to 60°C as well as schedules reaching 110°C. The losses of terpenes, which completely dominate the fugitive emissions from kiln drying of softwoods, were estimated by extraction of pooled subsamples from each batch, before and after drying. The original contents of terpenes were found to be in the ranges of 0.4–0.5% in pine sapwood, 0.8–1.1% in pine heartwood, and 0.02–0.08% in spruce, all calculated relative to the dry weight of the wood. The

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Cattani, Lucia, Anna Magrini, and Valentina Leoni. "Energy Performance of Water Generators from Gaseous Mixtures by Condensation: Climatic Datasets Choice." Energies 15, no. 20 (2022): 7581. http://dx.doi.org/10.3390/en15207581.

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Due to the growing issues related to water scarcity and pollution, water extraction from gaseous mixtures, such as atmospheric air, or fumes from combustion, is acquiring increasing importance. Nevertheless, one of the main concerns is the energy consumption that affects the use of any kind of Air(/Gas) to Water Generator (AWG). Referring specifically to water extraction from humid environmental air, AWG behaviour depends upon the air thermo-dynamic conditions and thus upon weather data. To evaluate the water extraction energy efficiency, two interesting tools can be applied: the WET (Water En

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Vasconcelos, M. Teresa S. D., Carlos A. R. Gomes, and Adélio A. S. C. Machado. "Ion chromatographic determination of fluoride in welding fumes with elimination of high contents of iron by solid-phase extraction." Journal of Chromatography A 685, no. 1 (1994): 53–60. http://dx.doi.org/10.1016/0021-9673(94)00664-4.

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Spearman, John, George Tsavellas, and Paul Nichols. "Current Attitudes and Practices Towards Diathermy Smoke." Annals of The Royal College of Surgeons of England 89, no. 2 (2007): 162–65. http://dx.doi.org/10.1308/003588407x155752.

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INTRODUCTION The hazards of surgical smoke are well documented and electrosurgical units (ESUs) are an integral part of surgical practice. The aim of this study was to gauge the opinions of general surgical consultants, specialist registrars and senior theatre nurses in the Wessex Region towards the hazards of ESU smoke. MATERIALS AND METHODS A literature search was carried out using Ovid Medline. A questionnaire was sent to 169 consultants, SpRs and nurses in the 14 hospitals across the Wessex Region, exploring current practices, perceived hazards and whether adequate precautions were current

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Shishkov, Petar, Nadezhda Stoycheva, and Vladimir Penev. "Rock splitting with pyrotechnic compositions and secondary propellants." MATEC Web of Conferences 389 (2024): 00057. http://dx.doi.org/10.1051/matecconf/202438900057.

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In some cases of resources extraction, as well as in construction at industrial and urbanized territories, commercial explosives are not safe enough for the surroundings with regard to the generated fly-rocks, air-blast, toxic fumes, seismic waves and vibrations. The main reasons for these harmful impacts of explosion are the velocity and the mechanism of the chemical reaction of explosive decomposition. The authors shifted the focus of their researches from detonating explosives to high-speed combusting energetic materials. The production of low explosive non-detonating mixtures from long-ter

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Tandulkar, J. N. "Partially Replacement of Coarse Aggregate by Structural Demolition Waste–A Step towards Green Concrete." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 04 (2025): 1–9. https://doi.org/10.55041/ijsrem43948.

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In this project, we focus on developing green concrete by partially replacing coarse aggregates with structural demolition waste. The goal is to explore the feasibility of using recycled concrete materials to reduce reliance on natural aggregates. This will involve testing the properties and performance of the resulting concrete and comparing it with conventional concrete. The motivation for using demolition waste arises from growing environmental concerns about resource extraction. Discarded concrete waste in landfills contributes to environmental degradation, so reusing it can help reduce st

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Farfán, Ricardo Fabricio Muñoz, Telly Yarita Macías Zambrano, Fausto Roberto Andrade Badillo, and Adrián Adalberto Hernández Solís. "Design and construction of an industrial ship conditioning system." International journal of physical sciences and engineering 4, no. 1 (2020): 29–38. http://dx.doi.org/10.29332/ijpse.v4n1.423.

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This project is based on the design and construction of an industrial air conditioning system for the improvement of the working thermal comfort of workers that for various reasons there is the trend of the increase in body temperature are these by machines, equipment or the same work activities, which affects the productive performance and possible health risks. During development, the selection of mechanical equipment such as the fan, water pump, ventilation transport ducts is studied with high rates of energy efficiency. In the light of the above, the environmental economic partner alternat

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PURCARO, GIORGIA, JOSÉ A. NAVAS, FRANCESC GUARDIOLA, LANFRANCO S. CONTE, and SABRINA MORET. "Polycyclic Aromatic Hydrocarbons in Frying Oils and Snacks." Journal of Food Protection 69, no. 1 (2006): 199–204. http://dx.doi.org/10.4315/0362-028x-69.1.199.

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The high incidence of lung cancer observed among Chinese women has been associated with exposure to fumes from cooking oil. Polycyclic aromatic hydrocarbons (PAHs) are a class of potentially mutagenic substances emitted from cooking oils heated at high temperatures. The objective of this study was to investigate whether deep frying with different oils under different conditions leads to the development of PAHs either in the oil or in the fried product (snacks). PAH analysis was carried out with solid-phase extraction followed by reverse-phase high-performance liquid chromatography and spectrof

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Pradhana, Santika, Shenny Linggasari, Relinda Este, and Dicky Ervando. "UTILIZATION OF 100% WASTE OIL IN DELTA E EMULSION EXPLOSIVE MIXTURE FOR COAL OPEN MINE." INTAN Jurnal Penelitian Tambang 6, no. 2 (2023): 65–69. http://dx.doi.org/10.56139/intan.v6i2.188.

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The limitation of coal reserves poses a challenge for the mining industry to optimize coal extraction. Innovations are constantly being sought to enhance efficient productivity while considering environmental sustainability. The innovation of utilizing waste oil up to 100% as a substitute for fuel in the emulsion production process is expected to improve environmental quality without compromising blasting quality. The results showed that the fragment size (P80) in the 85% waste oil trial was 227.8 mm, while in the 100% waste oil trial, it was 325.1 mm. The recovery rate in the 85% waste oil tr

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Ahmad, N. U., M. F. Mad Nordin, N. Mokhtar, et al. "Assessment of leaching properties of solid residue from subcritical water extraction of Zingiber zerumbet rhizome." BIO Web of Conferences 131 (2024): 05005. http://dx.doi.org/10.1051/bioconf/202413105005.

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Landfilling is known as a popular way to get rid of municipal waste because it is easy to use and reasonably priced, but it also leads to environmental issues like leachate pollution. Thus, solid residues from Zingiber zerumbet rhizome subcritical water extraction (SWE) were assessed in this study to see if they met the criteria for municipal waste that could be disposed of safely in a landfill. The assessment comprises of four crucial properties; ignitability, corrosivity, reactivity, and toxicity and was conducted on a sample taken during a 15-minute SWE following the United States Environme

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Fatimah, Siti, Hernowo Widodo, and Elvi Kustiyah. "Ekstraksi dan uji aktivitas antioksidan ekstrak etanol batang bintangur (calophyllum soulattri)." Journal of Biopesticides and Agriculture Technology 1, no. 2 (2024): 71–82. http://dx.doi.org/10.61511/jbiogritech.v1i2.2024.1184.

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Background: Cigarette smoke, fried and grilled foods, excessive exposure to sunlight, motor vehicle fumes, certain drugs, toxins and air pollution are some sources of free radical compounds. As a result of homolytic breakdown, a molecule will break down into free radicals that have unpaired electrons. Electrons need a partner to balance their spin value, so that radical molecules become unstable and easily react with other molecules, forming new radicals. Findings: To prevent or reduce chronic diseases due to free radicals, antioxidants are needed. Antioxidants can slow down or inhibit the oxi

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Li, Xinde, Pei Li, Mohammad Omar Khyam, Xiangheng He, and Shuzhi Sam Ge. "A welding seam identification method based on cross-modal perception." Industrial Robot: the international journal of robotics research and application 46, no. 3 (2019): 453–59. http://dx.doi.org/10.1108/ir-09-2018-0182.

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Purpose As an automatic welding process may experience some disturbances caused by, for example, splashes and/or welding fumes, misalignments/poor positioning, thermally induced deformations, strong arc lights and diversified welding joints/grooves, precisely identifying the welding seam has a great influence on the welding quality. This paper aims to propose a robust method for identifying this seam based on cross-modal perception. Design/methodology/approach First, after a welding image obtained from a structured-light vision sensor (here laser and vision are integrated into a cross-modal pe

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Narkhede, Parag, Rahee Walambe, Shruti Mandaokar, Pulkit Chandel, Ketan Kotecha, and George Ghinea. "Gas Detection and Identification Using Multimodal Artificial Intelligence Based Sensor Fusion." Applied System Innovation 4, no. 1 (2021): 3. http://dx.doi.org/10.3390/asi4010003.

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With the rapid industrialization and technological advancements, innovative engineering technologies which are cost effective, faster and easier to implement are essential. One such area of concern is the rising number of accidents happening due to gas leaks at coal mines, chemical industries, home appliances etc. In this paper we propose a novel approach to detect and identify the gaseous emissions using the multimodal AI fusion techniques. Most of the gases and their fumes are colorless, odorless, and tasteless, thereby challenging our normal human senses. Sensing based on a single sensor ma

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Klugmann-Radziemska, Ewa, and Krzysztof Ciunel. "Rapeseed pellet - a byproduct of biodiesel production - as an excellent renewable energy source / Wytłoki rzepakowe - produkt uboczny w produkcji biodiesla - jako doskonałe źródło energii odnawialnej." Chemistry-Didactics-Ecology-Metrology 18, no. 1-2 (2013): 109–19. http://dx.doi.org/10.2478/cdem-2013-0024.

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Abstract Vegetable oils are renewable feedstock currently being used for production of biofuels from sustainable biomass resources. The existing technology for producing diesel fuel from plant oils, such as rapeseed, soybean, canola and palm oil are largely centered on transesterification of oils with methanol to produce fatty acid methyl esters (FAME) or biodiesel. Rapeseed pellet - crushed seed residue from oil extraction is a byproduct of biodiesel production process. As other types of biomass, it can either be burned directly in furnaces or processed to increase its energetic value. The in

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Narkhede, Parag, Rahee Walambe, Shruti Mandaokar, Pulkit Chandel, Ketan Kotecha, and George Ghinea. "Gas Detection and Identification Using Multimodal Artificial Intelligence Based Sensor Fusion." Applied System Innovation 4, no. 1 (2021): 3. http://dx.doi.org/10.3390/asi4010003.

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With the rapid industrialization and technological advancements, innovative engineering technologies which are cost effective, faster and easier to implement are essential. One such area of concern is the rising number of accidents happening due to gas leaks at coal mines, chemical industries, home appliances etc. In this paper we propose a novel approach to detect and identify the gaseous emissions using the multimodal AI fusion techniques. Most of the gases and their fumes are colorless, odorless, and tasteless, thereby challenging our normal human senses. Sensing based on a single sensor ma

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Sakhno, Nataliya Nikolaevna. "July 25 — the Day of the Dental Technician." Spravočnik vrača obŝej praktiki (Journal of Family Medicine), no. 8 (July 12, 2021): 73–78. http://dx.doi.org/10.33920/med-10-2108-11.

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Healthy teeth are the key to the normal functioning of the whole organism; people should start taking care of the condition of their teeth from early childhood. It is the teeth that are the only organ of the human body that is incapable of regeneration, so they need special care and the most careful attitude. Not everyone regularly visits dentists, and very few are closely familiar with the work of their right-hand people — dental technicians. At the beginning of the 18th century, serious changes took place in the field of dentistry, i.e. the transition from conservative tooth extraction to th

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Sevelka, Tony. "Adverse Effects: Thirteen Homeowners Near A Blasting Quarry Bought Out By Quarry Owner." Grassroots Journal of Natural Resources 6, no. 1 (2023): 224–48. http://dx.doi.org/10.33002/nr2581.6853.060110.

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In Ontario, a blasting quarry operation, once established, is allowed to effectively operate indefinitely, as a licence to permit aggregate extraction has no expiry date. Once established, the prospect of terminating a quarry operator’s licence is virtually non-existent, regardless of the nature or number of site plan and quarry violations or adverse impacts (e.g., flyrock, noise, toxic fumes, fugitive dust, vibrations, drain or damage domestic wells), all due to a lack of effective government oversight (e.g., government staff shortage exacerbated by allowing self-reporting of the aggregate in

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Stewart, Benjamin, Hiram Moya, Amit U. Raysoni, Esmeralda Mendez, and Matthew Vechione. "Port-of-Entry Simulation Model for Potential Wait Time Reduction and Air Quality Improvement: A Case Study at the Gateway International Bridge in Brownsville, Texas, USA." CivilEng 4, no. 1 (2023): 345–58. http://dx.doi.org/10.3390/civileng4010020.

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The mathematical study known as queueing theory has recently become a major point of interest for many government agencies and private companies for increasing efficiency. One such application is vehicle queueing at an international port-of-entry (POE). When queueing, fumes from idling vehicles negatively affect the overall health and well-being of the community, especially the U.S. Customs and Border Protection (CBP) agents that work at the POEs. As such, there is a need to analyze and optimize the border crossing queuing operations to minimize wait times and number of vehicles in the queue a

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Wardhani, Cindyasthi, and Dwi Aditiyarini. "Analisa Kadar Logam Berat Timbal (Pb) pada Sayur Kubis (Brassica oleracea L.) dan Selada (Lactuca sativa L.) di Pasar Tradisional dan Supermarket D.I. Yogyakarta." Jurnal Biologi Indonesia 20, no. 2 (2024): 131–40. https://doi.org/10.47349/jbi/20022024/131.

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Vegetables are food consumed by people to provide nutrients and vitamins for the body. In the process of cultivation to sales, vegetables are susceptible to contamination by heavy metals. This is caused by increased industrial activity and transportation activities that pollute water, air, and soil with heavy metals, such as lead (Pb), which can be found in motor vehicle exhaust fumes and fertilizers. Lead pollution in the environment can contaminate vegetables, which poses a health risk. Cabbage and lettuce are vegetables that are commonly consumed by people as raw vegetables. This study was

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Shen, Qi, Wen-xiang Wang, Qiu-ping Xu, et al. "Association of Single-Nucleotide Polymorphism REX1 rs6815391, OCT4 rs13409 or rs3130932, and CTBP2 rs3740535 with Primary Lung Cancer Susceptibility: A Case-Control Study in a Chinese Population." Disease Markers 2019 (May 2, 2019): 1–23. http://dx.doi.org/10.1155/2019/4150263.

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The purpose of the current study is to explore the contribution of single-nucleotide polymorphisms (SNPs) of REX1 rs6815391, OCT4 rs13409 or rs3130932, and CTBP2 rs3740535 to the risk of lung cancer. A questionnaire survey was used to obtain basic information of the included subjects. A case control study was performed in 1121 patients and 1121 controls. All subjects were subjected to blood sampling for genomic DNA extraction and genotyping of the cancer stem cell-associated gene SNPs, including REX1 rs6815391, OCT4 rs13409 or rs3130932, and CTBP2 rs3740535 by real-time PCR. The association wi

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Tojas Alejandro, Francisco Javier, Augusto Felipe Zingg Rossel, Isaak Rafael Vasquez Romero, and Marilyn Aurora Buendía Molina. "Evaluación de la efectividad de sistemas de extracción de humos en soldadura por arco." Campus 28, no. 36 (2023): 193–201. http://dx.doi.org/10.24265/campus.2023.v28n36.03.

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KOUROUMA, Ibrahima Kalil, Oumou Hawa BAH, Daouda KEITA, and Alain GBILIMOU. "Assessment of the impact of blasting operations on the riparian environment of the Sangarédi bauxite mine (CBG mining concession)." African Scientific Journal Vol 3, N17 (2023): 049. https://doi.org/10.5281/zenodo.7794449.

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<strong>Résumé </strong> Les calculs et mesures effectués lors des travaux d’extraction à la mine de sangarédi sur ses différents gisements, ont permis de mettre en évidence les nuisances générées par les tirs de mine. Le résultat de ces études a permis de localiser trois zones principales d’influence du minage sur le milieu environnemental, à savoir : la zone broyée (l’épicentre), la zone fissurée et la zone ébranlée ; cette étude s&r

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Blomberg, Jan, Paul C. de Groot, Henk C. A. Brandt, Jan J. B. van der Does, and Peter J. Schoenmakers. "Development of an on-line coupling of liquid–liquid extraction, normal-phase liquid chromatography and high-resolution gas chromatography producing an analytical marker for the prediction of mutagenicity and carcinogenicity of bitumen and bitumen fumes." Journal of Chromatography A 849, no. 2 (1999): 483–94. http://dx.doi.org/10.1016/s0021-9673(99)00583-x.

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Ras, Jaron, Andre Pascal Kengne, Denise Smith, Elpidoforos Soterakis Soteriades, and Lloyd Leach. "Effects of cardiovascular health, musculoskeletal health and physical fitness on occupational performance of firefighters: protocol for a systematic review and meta-analysis." BMJ Open 12, no. 7 (2022): e061435. http://dx.doi.org/10.1136/bmjopen-2022-061435.

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IntroductionFirefighting is a hazardous occupation, where firefighters are involved in life-threatening situations, being placed under tremendous physical strain, while wearing heavy and insulated equipment to protect them from chemicals, fumes and high temperatures. This necessitates that firefighter stay in good physical condition and maintain adequate cardiovascular fitness to cope with these stressors and perform their duties with minimal health risks. The aim of this systematic review and meta-analysis is to determine the effect of cardiovascular health, musculoskeletal health and physica

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Zhang, Pei, Changyuan Wang, and Hongbo Jia. "Mask R-CNN Method for Dashboard Feature Extraction in Eye Tracking." International Journal of Pattern Recognition and Artificial Intelligence 34, no. 09 (2020): 2055017. http://dx.doi.org/10.1142/s0218001420550174.

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The traditional information extraction technology of dashboard is easily affected by external factors, and the robustness is poor. To improve the safety of the pilot’s performance on the dashboard, this paper proposes a way for extracting the dashboard feature information in eye tracking, which acquires the line of sight point in simulated dashboard. It then uses the Mask R-CNN method to detect the gaze area and then extracts the target feature information. Finally, it fuses two sets of data to get the result of the pilot who extracts the target gaze area in the scene. Experiment results show

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Li, Honghao, Xiran Zhou, and Zhigang Yan. "mapSR: A Deep Neural Network for Super-Resolution of Raster Map." ISPRS International Journal of Geo-Information 12, no. 7 (2023): 258. http://dx.doi.org/10.3390/ijgi12070258.

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The purpose of multisource map super-resolution is to reconstruct high-resolution maps based on low-resolution maps, which is valuable for content-based map tasks such as map recognition and classification. However, there is no specific super-resolution method for maps, and the existing image super-resolution methods often suffer from missing details when reconstructing maps. We propose a map super-resolution (mapSR) model that fuses local and global features for super-resolution reconstruction of low-resolution maps. Specifically, the proposed model consists of three main modules: a shallow f

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Chute, Daniel O., and Bradley W. Christ. "The National Shipbuilding Research Program Welding Fume Study." Journal of Ship Production 17, no. 01 (2001): 35–39. http://dx.doi.org/10.5957/jsp.2001.17.1.35.

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This paper presents the results of a study evaluating the impact of anticipated reductions in OSHA worker exposure limits for airborne contaminants, nickel (Ni), manganese (Mn), and hexavalent chromium (Cr6) on the shipbuilding industry. As part of the study field evaluation, air monitoring and data analysis were conducted to measure the effectiveness of a series of exposure control methods including fume extractor guns, ixed fume extraction systems, portable fume extraction systems, low fume welding wires, downdraft/backdraft tables, and fume iltration devices. Six shipyards participated in t

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Tjoa, Stanley Evander Emeltan, Mudasir Mudasir, Edi Suharyadi, and Budi Setiadi Daryono. "Fumed silica-coated magnetic particles: DNA extraction application." Studia Universitatis Babes-Bolyai Biologia 70, no. 1 (2025): 7–18. https://doi.org/10.24193/subbbiol.2025.1.01.

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Tetraethyl orthosilicate (TEOS) is widely used for preparing magnetic particles in DNA extraction kits, but it poses toxicity and safety concerns. To address this issue, we developed magnetic particles using fumed silica as a safer alternative to TEOS for magnetite particle preparation for DNA extraction. The method effectively extracts DNA from various biological matrices, including urine, serum, saliva, sputum, whole blood, and plasma, without detectable inhibitors. The extracted DNA is suitable for downstream molecular applications such as qPCR and sequencing. The proposed magnetic particle

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Wang, Yu, David Fink, and Eugene Agichtein. "SEEFT: Planned Social Event Discovery and Attribute Extraction by Fusing Twitter and Web Content." Proceedings of the International AAAI Conference on Web and Social Media 9, no. 1 (2021): 483–92. http://dx.doi.org/10.1609/icwsm.v9i1.14600.

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Social events comprise some of the most popular topics in social media. Automatically identifying planned social events and extracting structured information, such as event title, date, and location, would enable more effective index, display and search for social events. However, the informal and noisy nature of language used in social media can degrade the quality of event extraction, resulting in broken titles, incorrect or absent attributes - making the resulting event databases not suitable for realistic applications. Previous work mostly focused on event identification and categorization

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Wang, Jinxiao, Fang Chen, Meimei Zhang, and Bo Yu. "ACFNet: A Feature Fusion Network for Glacial Lake Extraction Based on Optical and Synthetic Aperture Radar Images." Remote Sensing 13, no. 24 (2021): 5091. http://dx.doi.org/10.3390/rs13245091.

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Glacial lake extraction is essential for studying the response of glacial lakes to climate change and assessing the risks of glacial lake outburst floods. Most methods for glacial lake extraction are based on either optical images or synthetic aperture radar (SAR) images. Although deep learning methods can extract features of optical and SAR images well, efficiently fusing two modality features for glacial lake extraction with high accuracy is challenging. In this study, to make full use of the spectral characteristics of optical images and the geometric characteristics of SAR images, we propo

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Wei, Shan, Brynn Levy, Nataly Hoffman, et al. "A rapid and simple bead-bashing-based method for genomic DNA extraction from mammalian tissue." BioTechniques 68, no. 5 (2020): 240–44. http://dx.doi.org/10.2144/btn-2019-0172.

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Conventional genomic DNA (gDNA) extraction methods can take hours to complete, may require fume hoods and represent the most time-consuming step in many gDNA-based molecular assays. We systematically optimized a bead bashing-based (BBB) approach for rapid gDNA extraction without the need for a fume hood. Human tissue specimens (n = 34) subjected to the 12-min BBB method yielded 0.40 ± 0.17 (mean ± SD) μg of gDNA per milligram of tissue, sufficient for many downstream applications, and 3- and 6-min extensions resulted in an additional 0.43 ± 0.23 μg and 0.48 ± 0.43 μg per milligram of tissue, r

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Liu, Tingting, Jian Yin, and Qingfeng Qin. "MFHE: Multi-View Fusion-Based Heterogeneous Information Network Embedding." Applied Sciences 12, no. 16 (2022): 8218. http://dx.doi.org/10.3390/app12168218.

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Depending on the type of information network, information network embedding is classified into homogeneous information network embedding and heterogeneous information network (HIN) embedding. Compared with the homogeneous network, HIN composition is more complex and contains richer semantics. At present, the research on homogeneous information network embedding is relatively mature. However, if the homogeneous information network model is directly applied to HIN, it will cause incomplete information extraction. It is necessary to build a specialized embedding model for HIN. Learning informatio

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Yoo, Na-Kyung, Ye-Rin Jeon, and Soo-Jin Choi. "Determination of Two Differently Manufactured Silicon Dioxide Nanoparticles by Cloud Point Extraction Approach in Intestinal Cells, Intestinal Barriers and Tissues." International Journal of Molecular Sciences 22, no. 13 (2021): 7035. http://dx.doi.org/10.3390/ijms22137035.

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Food additive amorphous silicon dioxide (SiO2) particles are manufactured by two different methods—precipitated and fumed procedures—which can induce different physicochemical properties and biological fates. In this study, precipitated and fumed SiO2 particles were characterized in terms of constituent particle size, hydrodynamic diameter, zeta potential, surface area, and solubility. Their fates in intestinal cells, intestinal barriers, and tissues after oral administration in rats were determined by optimizing Triton X-114-based cloud point extraction (CPE). The results demonstrate that the

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Chen, Jieli, Kah Phooi Seng, Li Minn Ang, Jeremy Smith, and Hanyue Xu. "AI-Empowered Multimodal Hierarchical Graph-Based Learning for Situation Awareness on Enhancing Disaster Responses." Future Internet 16, no. 5 (2024): 161. http://dx.doi.org/10.3390/fi16050161.

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Situational awareness (SA) is crucial in disaster response, enhancing the understanding of the environment. Social media, with its extensive user base, offers valuable real-time information for such scenarios. Although SA systems excel in extracting disaster-related details from user-generated content, a common limitation in prior approaches is their emphasis on single-modal extraction rather than embracing multi-modalities. This paper proposed a multimodal hierarchical graph-based situational awareness (MHGSA) system for comprehensive disaster event classification. Specifically, the proposed

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Neidel, A., V. Hartanto, S. Riesenbeck, and T. Ullrich. "Erosion Damage to Impeller of Welding Fume Extraction System." Practical Metallography 57, no. 8 (2020): 569–75. http://dx.doi.org/10.3139/147.110647.

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Alhajiri, Ayedh Mohammad, and Mohammad Nadeem Akhtar. "Enhancing Sustainability and Economics of Concrete Production through Silica Fume: A Systematic Review." Civil Engineering Journal 9, no. 10 (2023): 2612–29. http://dx.doi.org/10.28991/cej-2023-09-10-017.

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This review article addresses the problems associated with the carbon footprint of the cement industry. The PRISMA framework methodology was for data extraction from published studies. In-depth research has been done in the literature on using silica fume as a cement replacement in concrete production, considering environmental, engineering, and economic (EEE) factors. The strength, durability, and economic parameters results revealed a positive variation of up to 5–20% substitution of silica fume. However, most past studies reported the threshold at a 10% replacement ratio. A novel benefit-co

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