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Journal articles on the topic 'Plasma cutting unit'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Sizemore, J. M., and D. P. Rome. "Increased Duty Cycle for Plasma Arc Cutting Machines Through a Separated Automatic Plate Marking Station." Journal of Ship Production 5, no. 04 (1989): 207–27. http://dx.doi.org/10.5957/jsp.1989.5.4.207.

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Plate marking as currently practiced limits plasma arc cutting machine duty cycle. This, in turn, constrains plate fabrication process lane throughput. A separate automatic plate marking station which will significantly increase plasma arc cutting capacities is defined. A 60 to 100 percent increase in plate fabrication process lane throughput is anticipated while simultaneously reducing unit direct labor. The design is supported by technical feasibility demonstrations.

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2

., Syukran, Ajannifar ., Musbar ., and Abdullah Irwansyah. "PELATIHAN PENINGKATAN KETRAMPILAN METAL CUTTING PROCESS METODE PLASMA BAGI PEKERJA BENGKEL LAS DI MEUNASAH MESJID KECAMATAN BLANG MANGAT KOTA LHOKSEUMAWE." Jurnal Vokasi 3, no. 1 (2019): 39. http://dx.doi.org/10.30811/vokasi.v3i1.996.

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Bengkel Kesayangan Tehnik dan Bengkel Adek Abang merupakan 2 unit usaha bengkel las yang berada di gampong Mesjid Punteuet, Kecamatan Blang Mangat Pemkot Lhokseumawe. Bengkel las Kesayangan Tehnik berdiri sejak tahun 1995, Sedangkan bengkel las Adek Abang berdiri sejak tahun 2012. Jarak kedua bengkel tersebut dengan kampus Politeknik Negeri Lhokseumawe sekitar 3 km. Salah satu pekerjaan yang sering dilakukan oleh bengkel tersebut adalah pemotongan pelat mengikuti profil yang ditentukan untuk keperluan fabrikasi. Kondisi selama ini pomotongan selalu dilakukan menggunakan proses oxy-acyteline. K

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Lisizki, Vladimir Vladimirovich, Alexey Anatolyevich Vasilyev, Konstantin Dmitrievich Mogilko, Nikolai Alexeyevich Nosyrev, and Nikolai Valerievich Rosov. "Prospects for introducing advanced technologies at enterprises of Southern Center of Shipbuilding and Ship Repair, JSC." Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies 2023, no. 2 (2023): 41–46. http://dx.doi.org/10.24143/2073-1574-2023-2-41-46.

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The article focuses on the trends of development in modern shipbuilding in the context of digital transformation and promising national projects recommended for implementing at the enterprises of Southern Center for Shipbuilding and Ship Repair, JSC. The calculation program of shipyards, the composition and main features of the created industries are given. There is described the modern Russian technological equipment recommended for implementation at Southern Center of Shipbuilding and Ship Repair, JSC including machines with numerical control for laser and plasma cutting the sheet parts and

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4

Jasim Hassan Rasheed. "Comparison of Different Unconventional Thermal Energies for Steel Cutting Process." Diyala Journal of Engineering Sciences 6, no. 1 (2013): 17–26. http://dx.doi.org/10.24237/djes.2013.06102.

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different unconventional heat sources for material processing were discussed . The heat sources such as plasma arc, electron beam and Co2 laser were employed previously by other researchers, while " Co2laser– gas mixture" system was studied during the present research . Comparison between the results of present work with the others mentioned above was made . The parameter which was adopted for comparison is the "energy consumed per unit length" for particular thickness .The parameter is based on the equation which was suggested by the author of this research . Linear relationship between energ

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Kuo, Jian Long, and Chung Hao Hsieh. "Optimal Yield Rate in ACF Cutting Process of TFT-LCD Module Using Orthogonal Particle Swarm Optimization." Applied Mechanics and Materials 479-480 (December 2013): 353–59. http://dx.doi.org/10.4028/www.scientific.net/amm.479-480.353.

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Anisotropic Conductive Film (ACF) is essential material in LCM (Liquid Crystal Module) process. It is used in bonding process to make the driving circuit conductive. Because the price of TFT-LCD is much lower than before in recent years, the ACF cost has relatively higher ratio in manufacture cost. The conventional long bar ACF cutting unit is changed to short bar ACF cutting unit in new bonding technology. However, the new type machine was not optimized in process and mechanical design. Therefore, the failure rate of new ACF cutting process is much higher than the one of the conventional proc

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Grigor’ev, S. N., M. Sh Migranov, M. A. Volosova, and A. S. Gusev. "Sintered powder high-entropy target cathodes for wear-resistant coatings." Izvestiya. Ferrous Metallurgy 66, no. 4 (2023): 410–14. http://dx.doi.org/10.17073/0368-0797-2023-4-410-414.

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Modern machine-building production equipped with high-performance mechatronic systems and numerically-controlled and adaptive control machines for blade cutting of heat-resistant chromium-nickel and titanium alloys requires increasing the operating properties of cutting tools working at high temperature-force loads in the contact zone, respectively with a significant stress-strain state of the cutting wedge. It is possible to solve the problem of increasing wear resistance and serviceability by developing and introducing new tooling material, as well as by applying wear-resistant coatings. The

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7

Kim, Juyoul, and Batbuyan Tseren. "Occupational ALARA Planning for Reactor Pressure Vessel Dismantling at Kori Unit 1." International Journal of Environmental Research and Public Health 17, no. 15 (2020): 5346. http://dx.doi.org/10.3390/ijerph17155346.

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Assessing workers’ safety and health during the decommissioning of nuclear power plants (NPPs) is an important procedure in terms of occupational radiation exposure (ORE). Optimizing the radiation exposure through the “As Low As Reasonably Achievable (ALARA)” principle is a very important procedure in the phase of nuclear decommissioning. Using the VISIPLAN 3D ALARA planning tool, this study aimed at assessing the radiological doses to workers during the dismantling of the reactor pressure vessel (RPV) at Kori NPP unit 1. Fragmentation and segmentation cutting processes were applied to cut the

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8

Setiawan. B, Christian Albert, Marulan Andivas, Dimaz Harits, and Alex Kisanjani. "Evaluasi Keselamatan Kerja Mesin Plasma Cutting Dengan Pendekatan JSA Dalam Identifikasi Bahaya." Teknika Sains: Jurnal Ilmu Teknik 10, no. 1 (2025): 9–16. https://doi.org/10.24967/teksis.v10i1.3623.

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Penelitian ini mengevaluasi keselamatan kerja mesin plasma cutting dengan menggunakan pendekatan Job Safety Analysis (JSA) dalam identifikasi bahaya. Dalam sektor manufaktur dan konstruksi yang berkembang pesat, penggunaan mesin plasma cutting menjadi krusial, namun risiko kecelakaan kerja tetap tinggi akibat kurangnya kesadaran dan keterampilan pekerja. Melalui wawancara dan observasi, penelitian ini mengidentifikasi berbagai potensi bahaya seperti kebakaran, paparan sinar UV, dan kecelakaan listrik. Dengan menerapkan metode JSA, langkah-langkah pengendalian risiko dirumuskan untuk meminimalk

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9

McGough, Michael S., William E. Austin, and George J. Knetl. "Performance of the Automated Cutting Equipment System During the Plasma Cutting of the Three Mile Island Unit 2 Lower Core Support Assembly." Nuclear Technology 87, no. 3 (1989): 648–59. http://dx.doi.org/10.13182/nt89-a27717.

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10

Kubich, V. "RESISTANCE OF HEAT-RESISTANT YTTRIUM-CONTAINING SEALING COATINGS TO MECHANICAL FRACTURE WHEN FORMING CUTTING PATHS." Eurasian Physical Technical Journal 21, no. 3(49) (2024): 81–92. http://dx.doi.org/10.31489/2024no3/81-92.

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According to the results of tribotechnical tests of coatings made of KNA-82 alloy ligatures with the addition of yttrium of 0.1%, 0.3%, 0.5%, data were obtained that allowed us to establish the nature of changes in the dynamic coefficient of friction over the test period and numerous values of the energy intensity of material wear. The evaluation of coatings formed by the gas-flame and ion-plasma method was based on the following premise. The maximum resistance to mechanical fracture is determined by the manifestation of a constant minimum value of the dynamic coefficient of friction. This ser

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11

Eruzin, A. A., S. D. Klimov, B. V. Stepanov, and A. M. Gein. "On the application of thermal plasma processing for manufacturing “smart” tools in the practice of industrial enterprises." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 80, no. 2 (2024): 37–45. http://dx.doi.org/10.32339/0135-5910-2024-2-37-45.

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Due to the need for import substitution of expensive imported tools (case cutters, monolithic cutters, drills, reamers, taps, broaches, measuring tools, etc.), a comprehensive vacuum heat treatment technology was developed at JSC Obukhov Plant, which made it possible to increase not only the mechanical properties as a result of volumetric hardening, but also the quality of surface, which further provides the necessary properties and technology of finishing thermo-plasma treatment with the application of special smart coatings. Practical mastery of technological processes allowed to develop a n

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12

Baston, V. F., K. J. Hofstetter, and Richard F. Karuhn. "Characterization of Reaction Gases and Aerosols from Underwater Plasma Arc Cutting Demonstration Tests at Three Mile Island Unit 2." Nuclear Technology 83, no. 2 (1988): 216–27. http://dx.doi.org/10.13182/nt88-a34164.

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13

Skakov, Mazhyn, Lyaila Bayatanova, and Michael Sheffler. "Surface Hardening of 18CrNi3MoA-SH Steel with Heating in Electrolytic Plasma." Key Engineering Materials 531-532 (December 2012): 242–45. http://dx.doi.org/10.4028/www.scientific.net/kem.531-532.242.

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We investigated 18CrNi3MoA-SH steel, hardened by electrolyte-plasma processing method. Scanning analysis of transient surface demonstrated that in the course of details’ electrolyte-plasma heating chemical surface modification takes place along with tempering. Unit value of micro hardness on the crosscut is estimated. Micro hardness twofold increase concerning initial condition testifies to material hardness after electrolyte-plasma processing. This method advantages are minor energy expenditure in the time of tempering high speeds, possibility of local surface processing especially of large s

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14

Lho, T.-J., and S.-J. Na. "A Study on an Improved Direct Search Interpolation Method for Two-Axis CNC Thermal Cutting Systems." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 206, no. 1 (1992): 67–76. http://dx.doi.org/10.1243/pime_proc_1992_206_057_02.

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A microcomputer-based reference pulse software interpolator, which can be effectively applied for two-axis computer numerical control (CNC) systems such as those used in plasma arc cutting and laser beam cutting machines, is proposed in the present study. The proposed interpolation method is based upon searching in two or three directions for the minimum path error, while the axes of motion do not move simultaneously in the stairs approximation method and the basis for selecting an interpolating point is not related to any criteria of path error in the digital differential analyses (DDA) metho

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15

Ramazanov, K. N., E. L. Vardanyan, V. R. Mukhamadeev, A. Yu Nazarov, I. R. Mukhamadeev, and A. A. Nikolaev. "The study of influence of the reaction gases ratio at the Ti–Al–C–N coating deposition on the cutting tool wear resistance." Frontier materials & technologies, no. 3 (2022): 32–43. http://dx.doi.org/10.18323/2782-4039-2022-3-2-32-43.

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The paper presents the results of the study of the component composition of the reaction gases mixture when synthesizing carbonitride coatings of the Ti–Al–C–N system influencing the cutting tool durability. The coating was applied using the updated unit NNV-6.6-I1 by spraying from two one-component cathodes assisted by the incandescent cathode plasma source. During applying the coating, the mixture of reaction gases of N2 nitrogen and C2H2 acetylene in the ratio of 1:4, 2:3, 3:2, and 4:1 was delivered to the chamber. The paper presents the results of measuring the microhardness of studied spe

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16

Londhe, Sambhaji, D. S. Suhas, and Maneesh Sinha. "Histological Depth of Burn with Bipolar Plasma Arc – Is That the Cause for Urethral Sphincter Damage in Bipolar Transurethral Resection of the Prostate?" Journal of Association of Southern Urologists 1, no. 2 (2024): 68–70. http://dx.doi.org/10.4103/jasu.jasu_10_24.

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Introduction: The bipolar plasma button is gaining acceptance as a modality to perform endoscopic enucleation of the prostate. The plasma arc during activation of the button electrode extends for a distance beyond the edge of the evaporated area as seen on endoscopy. The extent of tissue affected by the intense heat of the arc is not certain. The histologically measurable depth of burn may have relevance during apical dissection, where thermal spread has been implicated in sphincter injury. Objectives: Our objective was to assess the histological depth of burn in animal tissue using a bipolar

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17

Grigoriev, Sergey N., Marina A. Volosova, Maxim A. Lyakhovetsky, Artem P. Mitrofanov, Nataliya V. Kolosova, and Anna A. Okunkova. "Technological Principles of Complex Plasma-Beam Surface Treatment of Al2O3/TiC and SiAlON Ceramics." Journal of Manufacturing and Materials Processing 7, no. 6 (2023): 205. http://dx.doi.org/10.3390/jmmp7060205.

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Thermomechanical action during high-performance diamond grinding of sintered cutting Al2O3/TiC and SiAlON ceramics leads to increased defectiveness of the surface layer of the deposited TiZrN and CrAlSiN/DLC coatings. It predetermines the discontinuous and porous coatings and reduces its effectiveness under abrasive exposure and fretting wear. The developed technological approach is based on “dry” etching with beams of accelerated argon atoms with an energy of 5 keV for high-performance removal of defects. It ensures the removal of the defective layer on ceramics and reduces the index of defec

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18

Mironov, Denis, Aleksey Lamm, and Rustam Rasulov. "ASSESSMENT OF THE EFFECTIVENESS OF SELECTIVE LASER SINTERING METHOD FOR STRENGTHENING SOIL TILLAGE WORKING UNITS." Vestnik of Kazan State Agrarian University 19, no. 2 (2024): 83–89. http://dx.doi.org/10.12737/2073-0462-2024-83-89.

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The functioning of agricultural machinery and equipment is an integral factor in ensuring the sustainability of production. Wear of the working units of tillage mechanisms is associated with a gradual change in their geometric and physical-mechanical characteristics, which in turn reduces the efficiency of tillage. One of the methods for solving this problem is to apply a protective layer of material that has increased wear resistance. Selective laser sintering (SLS) and plasma powder cladding are technologies for applying protective layers to the surface of agricultural machinery parts. A com

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19

Rahmani, Ramin, Maksim Antonov, and Lauri Kollo. "Selective Laser Melting of Diamond-Containing or Postnitrided Materials Intended for Impact-Abrasive Conditions: Experimental and Analytical Study." Advances in Materials Science and Engineering 2019 (June 26, 2019): 1–11. http://dx.doi.org/10.1155/2019/4210762.

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Materials with higher wear resistance are required in various applications including cutting elements (drag bits) of soft ground tunnel boring machines (TBM) to increase the productivity and to reduce the risk for workers involved in exchange operations (dangerous hyperbolic conditions). In recent work, two types of materials were produced by combining 3D printing (selective laser melting, SLM) of cellular lattice structures and spark plasma sintering (SPS) methods. The lattices were printed from (1) 316L stainless steel with diamond and (2) Ti6Al4V with nitriding. The effect of diamond conten

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20

Ravera, Francesco, Martina Dameri, Isabella Lombardo, et al. "Abstract OT1-23-01: Development of a hoRizontal data intEgration classifier for NOn-invasive early diAgnosis of breasT cancEr: the RENOVATE trial." Cancer Research 83, no. 5_Supplement (2023): OT1–23–01—OT1–23–01. http://dx.doi.org/10.1158/1538-7445.sabcs22-ot1-23-01.

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Abstract Background: The detection of breast lesions through self-examination or during screening tests is a frequent finding. Breast biopsy is required in case of radiologically suspect lesions, bestowing a high burden on both patients and national healthcare system, since only one every four biopsies is breast cancer (BC). To date, the assessment of circulating biomarkers failed to demonstrate clinical utility in the early diagnosis of BC, for its suboptimal accuracy and difficult transferability to clinical practice. The combination of novel cutting-edge methods for the assessment of circul

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21

Asadov, M. M., E. F. Aliev, E. N. Aliev, and G. S. Aliev. "On the transition of liquid dispersion states and their physical-thermodynamic nature in the development of gas-condensate reservoirs in depletion mode." Azerbaijan Oil Industry, no. 09 (September 15, 2024): 55–61. http://dx.doi.org/10.37474/0365-8554/2024-09-55-61.

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This work presents new results of physical and chemical analysis of samples from contaminated areas of the Absheron field. The advantages and disadvantages of the used and traditional methods of cleaning oil waste are shown. Modern methods have been used to determine the characteristics of oil sludge samples from the Balakhany, Ramana, Surakhany, Bibiheybet fields of the Absheron Peninsula: oil sludge composition, viscosity, density, water content, chemical composition, temperature, cutting size, toxicity, volume, pH level, turbidity, BOD (biological oxygen demand), TDS (total dissolved solids

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22

Ivankova, V. S., V. M. Mikhailenko, E. A. Domina, T. V. Khrulenko, L. M. Baranovska, and O. O. Hrinchenko. "Therapeutic irradiation in the management of gynecological cancer and predictability of radiation-induced complications." Український радіологічний та онкологічний журнал 29, no. 2 (2021): 34–51. http://dx.doi.org/10.46879/ukroj.2.2021.34-51.

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Background. Today, applying radiotherapy (RT) in management of both primary and secondary vaginal cancer (SVC) take pride of place in the spectrum of specialized treatments for cancer patients. Secondary vaginal tumors are more common (6% to 33%) in cervical cancer (CC) patients, while in uterine cancer (UC) occur in 8–10% of cases treated either surgically, or by means of radiotherapy, otherwise via a combination approach. Therefore, RT is administered in about 80% of primary vaginal cancer and particularly SVC patients. When using even the most advanced radiotherapy equipment implying the cu

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23

Ahmad, Humayan Kabir, Ali Haydar FM, and Shibli Abedin M. "Transformation of signal sequence in Escherichia coli by reporter gene fusion." International Journal of Biomolecules and Biomedicine (IJBB) 1, no. 2 (2011): 27–31. https://doi.org/10.5281/zenodo.8267762.

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Transformation of signal sequence by reporter gene fusion technology was attempted. The promoter containing signal sequences was taken from <em>Erwinia carotovora</em>, a plant pathogenic soil bacterium. Plasmid DNA (Deoxyribonucleic acid) and genomic DNA were cleaved by <em>Bam</em>HI and <em>Sau3</em>A1, respectively. Result of gel electrophoresis reveals successful cutting of restriction enzyme in both plasmid and genomic DNA. Best banding was found in 0.75 U/mg DNA of <em>Sau3</em>A1 compared to other concentrations of <em>Sau3</em>A1 used. Bacterial growth was fou

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24

Craigie, Neil W. "Applications of chemostratigraphy in Middle Jurassic unconventional reservoirs in eastern Saudi Arabia." GeoArabia 20, no. 2 (2015): 79–110. http://dx.doi.org/10.2113/geoarabia200279.

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ABSTRACT The following study was undertaken on inorganic geochemical data acquired for 1,032 core and cuttings samples taken from Middle Jurassic and Upper Jurassic sediments encountered in five wells in eastern Saudi Arabia. The study sections extend from the upper part of the Middle Jurassic Dhruma Formation to the base of the Upper Jurassic Arab Formation, though the principal focus was on the intervening Hanifa and Tuwaiq Mountain formations where potential unconventional hydrocarbon reservoirs have been encountered. The principal objective of the study was to produce a chemostratigraphic

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25

Yamashita, Takuya, Hiroshi Madokoro, and Ikken Sato. "Post-test Analyses of the CMMR-4 Test." Journal of Nuclear Engineering and Radiation Science, June 11, 2021. http://dx.doi.org/10.1115/1.4051443.

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Abstract Understanding the final distribution of core materials and their characteristics is important for decommissioning the Fukushima Daiichi Nuclear Power Station (1F). Such characteristics depend on the accident progression in each unit. However, BWR accident progression involves great uncertainty. This uncertainty, which was clarified by MAAP-MELCOR Crosswalk, cannot be resolved with existing knowledge and was thus addressed in this work through core material melting and relocation (CMMR) tests. For the test bundle, ZrO2 pellets were installed instead of UO2 pellets. A plasma heating sys

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26

Trujillo‐Vargas, Claudia M., Luisa María Rendón‐Macías, Ronald Yamil Paredes Guerrero, Cinta S. de Paiva, and Jaiberth Antonio Cardona‐Arias. "Lymphocyte Subpopulations in the Healthy Human Lacrimal Gland and Their Variations With Age and Sex, Systematic Review 1960–2023." Immunity, Inflammation and Disease 13, no. 3 (2025). https://doi.org/10.1002/iid3.70167.

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ABSTRACTBackgroundImmunosenescence has been associated with an imbalance in the lacrimal functional unit and histopathological changes in exocrine glands, especially in women.ObjectiveTo define the main lymphocyte subpopulations in the human lacrimal gland and their variations with age and sex, according to scientific articles published between 1960 and 2023.MethodsA systematic review was performed on PubMed, ScienceDirect, and Google Scholar. The PRISMA 2020 guidelines were applied for the search and selection of studies.The methodological quality was evaluated with the STROBE guidelines. A m

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