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Journal articles on the topic 'Mechanical Engg in Gen'

Author: Grafiati

Published: 6 September 2023

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1

Bradley, David. "Air gen." Materials Today 35 (May 2020): 3–4. http://dx.doi.org/10.1016/j.mattod.2020.03.014.

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Bensel, Tobias, Jens J. Bock, Anne Kebernik, Christin Arnold, Sonia Mansour, and Arne F. Boeckler. "Effect of Disinfectants on Mechanical Properties of Orthodontic Acrylics." International Journal of Biomaterials 2019 (April 24, 2019): 1–10. http://dx.doi.org/10.1155/2019/1096208.

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Objective. Infection control protocols in dentistry dictate that orthodontic acrylics have to be disinfected. No specific products for orthodontic acrylics are available. The objective of this study was to investigate the influence of chemical disinfectants on mechanical properties of orthodontic acrylics.Materials and Methods. 260 test specimens of two cold-curing orthodontic acrylics were manufactured. Three chemical disinfecting agents were tested: Impresept, D050 Instru-Gen, and Stammopur DR. Test specimens were stored in distilled water and divided into test groups. E-Modulus, flexural st

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Bradley, David. "Gen F Scientists." Materials Today 13, no. 1-2 (2010): 54–55. http://dx.doi.org/10.1016/s1369-7021(10)70017-1.

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4

Reinwald, Susan, Loretta P. Mayer, Patricia B. Hoyer, Charles H. Turner, Stephen Barnes, and Connie M. Weaver. "A Longitudinal Study of the Effect of Genistein on Bone in Two Different Murine Models of Diminished Estrogen-Producing Capacity." Journal of Osteoporosis 2010 (2010): 1–14. http://dx.doi.org/10.4061/2010/145170.

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This experiment was designed to assess the capacity of dietary genistein (GEN), to attenuate bone loss in ovariectomized (OVX) and ovary-intact VCD-treated mice. Pretreatment of mice with 4-vinylcyclohexene diepoxide (VCD) gradually and selectively destroys ovarian follicles whilst leaving ovarian androgen-producing cells largely intact. VCD induces a perimenopause-like condition prior to the onset of reproductive acyclicity. Sixteen-week-old C57BL/6J mice were randomized to five treatment groups: sham(SHM), OVX, SHM + VCD, OVX + GEN, and SHM + VCD + GEN. In vivo, blood samples were drawn for

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Chmielewska, Iwona. "Bearing capacity of floating geosynthetic encased columns (GEC) determined on the basis of CPTU penetration tests." Open Engineering 10, no. 1 (2020): 699–704. http://dx.doi.org/10.1515/eng-2020-0078.

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AbstractFloating geosynthetic encased columns (GEC) are an increasingly popular method of strengthening weak subsoil. Design of floating columns is a difficult and not fully recognized issue. This paper treats the floating GEC column as a special kind of “pile” and its bearing capacity is calculated using five selected methods for calculating the bearing capacity of piles based on CPTU penetration tests. The calculations were done on the basis of insitu tests carried out on one of the sections of the Bargłów Kościelny bypass. The paper contains a comparison of the bearing capacities of floatin

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Zhang, Y., M. Gregory, and Y. J. Shi. "Global engineering networks: The integrating framework and key patterns." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 221, no. 8 (2007): 1269–83. http://dx.doi.org/10.1243/09544054jem820.

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The current paper proposes an integrating framework to present the essential elements of global engineering networks (GENs) from the perspectives of the context, capability, and configuration (3C). Using the 3C framework, three key patterns (efficient GEN, flexible GEN, and innovative GEN) of the leading practice have been identified. The research updates the concept of global engineering management for current business environments and aims to help researchers and practitioners to understand and manage dispersed engineering operations in dynamic environments. The framework is based on a liter

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Dyartanti, Endah R., Agus Purwanto, Arif Jumari, and Tika Paramitha. "Optimization type of filler on electrochemical and thermal properties of gel polymer electrolytes membranes for safety lithium-ion batteries." Open Engineering 12, no. 1 (2022): 439–46. http://dx.doi.org/10.1515/eng-2022-0045.

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Abstract Gel polymer electrolyte (GPE) membranes of polyvinylidene fluoride-based polymer matrix of different filler types such as nano-clay, ZnO, and SiO2 extracted from fly ash is produced using the non-solvent induced phase separation method. Moreover, the electrochemical properties, electrode compatibility, and the batteries performance are investigated using these gel electrolyte membranes. It is observed that gel electrolytes with nano-clay filler exhibited more stable ionic conductivity and charge–discharge performance than those containing ZnO and SiO2 extracted from fly ash. A maximum

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Cao, Ningyan, Normalisa Md Isa, and Selvan Perumal. "Effects of Risk Attitude and Time Pressure on the Perceived Risk and Avoidance of Mobile App Advertising among Chinese Generation Z Consumers." Sustainability 15, no. 15 (2023): 11547. http://dx.doi.org/10.3390/su151511547.

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Generation Z (Gen Z) consumers require special consideration because they are a distinct demographic, are less receptive to mobile advertising, and have not been thoroughly studied. This study seeks to advance ad avoidance research by creatively examining Gen Zers’ perceived ad risk and ad avoidance in mobile applications (apps) and the role that risk attitude and time pressure play in these phenomena. The formal study was conducted in March 2023 via an online survey, and 312 sample data were identified for data analysis. It was found that there is a positive relationship between Gen Zers’ per

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9

Prasitthipayong, A., D. Frazer, A. Kareer, et al. "Micro mechanical testing of candidate structural alloys for Gen-IV nuclear reactors." Nuclear Materials and Energy 16 (August 2018): 34–45. http://dx.doi.org/10.1016/j.nme.2018.05.018.

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10

Vlasceanu, George Mihail, Livia Elena Crica, Andreea Madalina Pandele, and Mariana Ionita. "Graphene Oxide Reinforcing Genipin Crosslinked Chitosan-Gelatin Blend Films." Coatings 10, no. 2 (2020): 189. http://dx.doi.org/10.3390/coatings10020189.

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This study was targeted towards the synthesis and characterization of new chitosan–gelatin biocomposite films reinforced with graphene oxide and crosslinked with genipin. The composites’ mode of structuration was characterized by Fourier Transform Infrared spectroscopy and X-ray diffraction, while morphology and topography were investigated by scanning electron microscopy, nano-computer tomography and profilometry. Eventually, thermal stability was evaluated through thermogravimetrical analysis, mechanical properties assessment was carried out to detect potential improvements as a result of gr

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Jan Vesseur, Ernst. "Next-Gen Color Technology Changes How Materials are Characterized." AM&P Technical Articles 178, no. 1 (2020): 24–26. http://dx.doi.org/10.31399/asm.amp.2020-01.p024.

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12

Liang, Dong, Bingkui Chen, Chengli Hua, and Ruijin Liao. "Retraction notice to Generation and analysis of gear drive with tubular tooth surfaces having double contact points Arc. Civ. Mech. Engg. 17 (2017) 318–325." Archives of Civil and Mechanical Engineering 19, no. 1 (2019): 286. http://dx.doi.org/10.1016/j.acme.2018.12.001.

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13

Lašan, Michal. "Application of Small Punch Tests for Screening of Mechanical Properties for T91 Steel." Key Engineering Materials 606 (March 2014): 43–46. http://dx.doi.org/10.4028/www.scientific.net/kem.606.43.

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The T91 steel is considered a perspective structural material for Generation IV (GEN IV) nuclear reactors components. The operating conditions of GEN IV nuclear reactor, which include higher operating temperatures, higher neutron fluencies and using liquid metals as coolants, constitute new challenges for structural materials validation. To properly assess the impact of radiation, thermal, load and environmental damage the screening test procedures for initial overview of the induced changes of mechanical properties need to be developed and validated. One of the test procedures with potential

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Nitu, Alexandru, Marioara Abrudeanu, and Vasile Radu. "Investigation of the Fracture Mechanics Properties of Small Tubes from Oxide Dispersion Strengthened Steels." Revista de Chimie 69, no. 12 (2019): 3533–36. http://dx.doi.org/10.37358/rc.18.12.6786.

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The paper presents one part from the RATEN ICN contribution to the European FP7 MatISSE Project objectives, which is focused on the fracture mechanics properties of small tubes made from ODS steels (Oxide Dispersion Strengthened steels). The ODS tubes are foreseen as cladding tubes for gen IV reactors, and therefore the mechanical properties are very important for working in the most aggressive environment (irradiation and high temperatures) during the gen IV reactor operation. The fracture toughness, KIC, could be obtained for tubes with small diameters by means of the PLT-type mechanical tes

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Wang, L. S., W. H. Sun, S. J. Chua, and Mark Johnson. "Retraction notice to “Comparative investigation of photoluminescence of In- and Si-doped GaN/A1GaN multi-quantum wells” [Mater. Sci. Eng. B (2003) 196–199]." Materials Science and Engineering: B 176, no. 9 (2011): 772. http://dx.doi.org/10.1016/j.mseb.2011.03.009.

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16

Wang, Ye, Yue Wang, Wei Du, Yulan Li, Fan Liu, and Mingsheng Zhao. "Ediacaran pithy macroalga Lanceaphyton n. gen. from South China." Journal of Paleontology 96, no. 2 (2021): 452–61. http://dx.doi.org/10.1017/jpa.2021.98.

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AbstractWith differentiated tissues and organs, a high-level eukaryotic macroalga Lanceaphyton xiaojiangensis n. gen. n. sp. lived on the middle–late Ediacaran (ca. 560–551 Ma) seafloor in South China. Its body had a pith (perhaps mechanical tissue) and outer tissue (perhaps epidermis and/or cortex). The lance-like macroalga consists of an unbranching thallus that grew over the sediment surface for sunlight and a holdfast grown into sediments to keep the thallus fixed on the seafloor. The pithy stipe (lower thallus) might have served to support the upper pithless thallus for photosynthesis. Th

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17

Knott, J. F. "Structural integrity issues with Gen IV proposals: fast reactors and PBMR." Materials Research Innovations 16, no. 6 (2012): 377–84. http://dx.doi.org/10.1179/1433075x12y.0000000069.

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18

Yusof, Yusri, Noor Diana Kassim, and Nurul Zakiah Zamri Tan. "The development of a new STEP-NC code generator (GEN-MILL)." International Journal of Computer Integrated Manufacturing 24, no. 2 (2011): 126–34. http://dx.doi.org/10.1080/0951192x.2010.531289.

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19

Moody, Kevin, and Nick Stukan. "Embedded SIP Modules for next-GEN Heterogeneous “POWER-Devices”." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2019, DPC (2019): 000383–407. http://dx.doi.org/10.4071/2380-4491-2019-dpc-presentation_tp1_073.

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In this paper will focus on the comprehension of System-in-Package (SiP) with embedded active and passive components integration will be described. Embedding of semiconductor chips into substrates provides many advantages that have been noted. It allows the smallest package form-factor with high degree of miniaturization through sequentially stacking of multiple layers containing embedded devices that are optimized for electrical performance with short and geometrically well controlled copper interconnects. In addition, the embedding gives a homogeneous mechanical environment of the chips, res

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Gorgieva, Selestina, Azra Osmić, Boštjan Genorio, Viktor Hacker, Sigrid Wolf, and Silvo Hribernik. "The efficiency of chitosan-graphene oxide composite membranes modified with genipin in fuel cell application." E3S Web of Conferences 334 (2022): 04002. http://dx.doi.org/10.1051/e3sconf/202233404002.

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The paper reports on the processing of chitosan N-doped reduced graphene oxide (CS/N-rGO) nanocomposite membranes prepared by a facile, dispersion-casting procedure aimed as anion exchange membranes in fuel cells. Genipin (GEN) was used as a crosslinking agent to ameliorate mechanical weakens of nanocomposite membranes, while the N-rGO filler, aside of its role as a mechanical enhancer, is expected to improve the ionic conductivity of membranes. The resulting properties of processed membranes in terms of morphology, tensile strength, elasticity, and ethanol permeability were examined. The rele

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21

Kuchynskyi, K. A., and V. A. Kramarsky. "CALCULATED ASSESSMENT OF VIBRATION MOVEMENTS AND MECHANICAL STRESSES OF INSULATION FRONT PART OF THE STATOR WINDING OF THE POWERFUL TURBOGENERATOR." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2022, no. 63 (2022): 45–51. http://dx.doi.org/10.15407/publishing2022.63.045.

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Presented are the results of numerical studies of the distribution of vibration displacements and mechanical stresses in the insulation of the frontal part of the stator winding of a powerful turbogenerator under the influence of electrody-namics forces for different constructive solutions of the groove fastening of the winding rods in the end zone of the gen-erator stator core. Modeling of mechanical processes is carried out using the finite element numerical method (FEM) in a two-dimensional setting. The possibility of improving the design with the aim of reducing the amplitude of oscillatio

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22

Bartkowiak, Grażyna, and Agnieszka Krugiełka. "Business attitudes towards members of Gen Y functioning of the labor market." Studia Gdańskie. Wizje i rzeczywistość XIII (June 3, 2017): 59–78. http://dx.doi.org/10.5604/01.3001.0015.7121.

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The inspiration that prompted the authoress of this article to take up the issue of the confrontation was the opinion of representatives of generation Y the views of employers, owners of small medium sized businesses, self-employed for at least five years, regarding their opinions on the representatives of generation Y as employees. The elaboration is moving the issue of work attitudes representatives of generation Y, the considered from the perspective of employers. The article is composed of two parts: a synthetically presented theoretical discusses opinions to representatives of generation

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23

Lieberman, Edward, and Jinil Chang. "Optimizing Traffic Signal Timing through Network Decomposition." Transportation Research Record: Journal of the Transportation Research Board 1925, no. 1 (2005): 167–75. http://dx.doi.org/10.1177/0361198105192500117.

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A signal control system named Real-Time/Internal Metering Policy to Optimize Signal Timing (RT/IMPOST) has been under development for several years. It is designed to compute signal timing plans for the entire range of operating conditions from under- to oversaturation for control systems ranging from first generation (GEN 1) to highly responsive advanced traffic management systems. The different flow regimes of urban traffic control are reviewed. Then the focus is on the treatment to develop cycle-based signal timing plans for inclusion in the data libraries referenced by GEN 1 real-time traf

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24

Li, Yongkui, Jian Wang, Shanping Lu, Lijian Rong, and Dianzhong Li. "Mechanical Properties and Microstructures of the HAZs of 11Cr F/M Steel for Gen-IV Nuclear Power Station." Journal of Materials Engineering and Performance 24, no. 2 (2014): 885–93. http://dx.doi.org/10.1007/s11665-014-1347-3.

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25

Budiatin, Aniek Setiya, Maria Apriliani Gani, Chrismawan Ardianto, et al. "The impact of glutaraldehyde on the characteristics of bovine hydroxyapatite-gelatin based bone scaffold as gentamicin delivery system." Journal of Basic and Clinical Physiology and Pharmacology 32, no. 4 (2021): 687–91. http://dx.doi.org/10.1515/jbcpp-2020-0405.

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Abstract Objectives Biomaterials are widely used as drug delivery systems targeting bone tissue, such as to treat bone infectious disease. However, the addition of drugs to biomaterials weakens their mechanical properties. Crosslinkers are compounds that improve the mechanical properties of biomaterials. This study aims to determine the effect of glutaraldehyde (GTA) as a crosslinker on the characteristics of bovine hydroxyapatite-gelatin-based bone scaffold with gentamicin as antibiotics (BHA-GEL-GEN-GTA). Methods BHA-GEL-GEN-GTA scaffold with GTA solid content ranging from 0.1 to 1.4 wt% was

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26

Kaede, K., A. Jäger, V. Gärtnerová, C. Takushima, T. Yamamuro, and S. Tsurekawa. "Measurement of Local Mechanical Properties of T91 Steel Corroded by Molten Lead-Bismuth Eutectic Alloy via Micropillar Compression Test." MRS Advances 3, no. 8-9 (2018): 419–25. http://dx.doi.org/10.1557/adv.2018.36.

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ABSTRACTT91 ferritic/martensitic (F/M) steel is an expected structural material candidate for Gen IV liquid lead-bismuth cooled nuclear reactors. However, molten lead-bismuth eutectic alloy (mLBE) often causes liquid-metal embrittlement (LME) of F/M steels. Although prior austenite grain boundaries and martensite block boundaries were reported to be preferential sites for LME, the mechanism of LME in a T91/LBE couple is yet to be comprehensively understood. In this paper, the effect of mLBE on T91 steel was investigated using micropillar compression tests. mLBE corrosion was found to cause a s

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Sonsino, C. M. "F�gen im Leichtbau. Bericht von der Tagung des DVM-Arbeitskreises ?Betriebsfestig keit?" Materialwissenschaft und Werkstofftechnik 26, no. 1 (1995): 51–53. http://dx.doi.org/10.1002/mawe.19950260110.

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28

Spry, David J., Philip G. Neudeck, Carl W. Chang, Srihari Rajgopal, and Jose M. Gonzalez. "Optimization of TaSi<sub>2</sub> Processing for 500 °C Durable SiC JFET-R Integrated Circuits." Key Engineering Materials 948 (June 6, 2023): 83–88. http://dx.doi.org/10.4028/p-86f73x.

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Experiments are described towards optimizing tantalum silicide (TaSi2) interconnect metal film sputter-deposition and annealing in a manner compatible with the NASA Glenn two-layer interconnect silicon carbide (SiC) JFET-R IC process flow. Films deposited on 100 mm diameter wafers were investigated over a range of film thickness, sputter deposition, and post-deposition anneal conditions. An optimized process that achieved TaSi2 films free of cracking and morphological defects while nearly halving post-anneal stress was developed and will be used for completing the interconnect fabrication of p

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Yuan, Xiuyun, Siqi Yuan, Ya Liu, Yun Xia, and Xiaomao Zeng. "Microsatellites mapping for non-model species with chromosomal rearrangement: a case study in the frog Quasipaa boulengeri (Anura: Dicroglossidae)." Genome 60, no. 8 (2017): 707–11. http://dx.doi.org/10.1139/gen-2016-0200.

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Gene mapping is an important resource for understanding the evolution of genes and cytogenetics. Model species with a known genetic map or genome sequence allow for the selection of genetic markers on a desired chromosome, while it is hard to locate these markers on chromosomes of non-model species without such references. A frog species, Quasipaa boulengeri, shows chromosomal rearrangement polymorphisms, making itself a fascinating model for chromosomal speciation mediated by suppressed recombination. However, no markers have been located on its rearranged chromosomes. We present a complete p

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30

Fischer, M., A. Henning, and R. Surmann. "Mitigation of severe accidents in AREVA's Gen 3+ nuclear power plants." Nuclear Engineering and Design 269 (April 2014): 323–29. http://dx.doi.org/10.1016/j.nucengdes.2013.08.047.

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31

Trevisi, Filippo, Iván Castro-Fernández, Gregorio Pasquinelli, Carlo Emanuele Dionigi Riboldi, and Alessandro Croce. "Flight trajectory optimization of Fly-Gen airborne wind energy systems through a harmonic balance method." Wind Energy Science 7, no. 5 (2022): 2039–58. http://dx.doi.org/10.5194/wes-7-2039-2022.

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Abstract. The optimal control problem for flight trajectories of Fly-Gen airborne wind energy systems (AWESs) is a crucial research topic for the field, as suboptimal paths can lead to a drastic reduction in power production. One of the novelties of the present work is the expression of the optimal control problem in the frequency domain through a harmonic balance formulation. This allows the potential reduction of the problem size by solving only for the main harmonics and allows the implicit imposition of periodicity of the solution. The trajectory is described by the Fourier coefficients of

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32

Zhao, Dandan, Shenghua Zhang, Hai Zhang, et al. "Effects of Tempering Temperature on the Microstructure and Mechanical Properties of T92 Heat-Resistant Steel." Metals 9, no. 2 (2019): 194. http://dx.doi.org/10.3390/met9020194.

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T92 heat-resistant steel is among the most promising candidate materials for structural components in the Generation IV (GEN-IV) reactors. The effects of tempering temperature on the microstructure and mechanical properties of the T92 steel were studied. The microstructural evolution of the T92 steel subjected to various temperatures of the tempering process were investigated using scanning electron microscopy (SEM), transmission electron microscopy (TEM), and synchrotron radiation X-ray diffraction (SR-XRD). The mechanical properties of Vickers hardness, tensile test, and impact test were als

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Dogotari, Marcel, Moritz Prüm, Olee Hoi Ying Lam, et al. "Development of a UAV-Borne LiDAR System for Surveying Applications." Proceedings 30, no. 1 (2020): 75. http://dx.doi.org/10.3390/proceedings2019030075.

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A high-resolution UAV-borne LiDAR system with a Velodyne VLP16-Lite at its core was developed for surveying applications. The LiDAR unit was combined with a high-end IMU-GNSS solution for direct georeferencing (APX-15) and a single-board computer for data acquisition (2nd-gen. Intel NUC). Hardware and software solutions were developed for system integration. Moreover, a mechanical mount for isolating the sensitive components of the system from the UAV’s high-frequency vibration was built and evaluated. System architecture and preliminary results were presented. Furthermore, a sensitivity analy

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Libera, Ondřej, Patricie Halodová, Petra Gávelová, and Jakub Krejčí. "NANOINDENTATION OF HYDROGEN ENRICHED Zr-1Nb ZIRCONIUM ALLOY NUCLEAR FUEL CLADDINGS." Acta Polytechnica CTU Proceedings 27 (June 11, 2020): 155–59. http://dx.doi.org/10.14311/app.2020.27.0155.

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Zirconium alloys are being commonly used as a material of choice for nuclear fuel claddings in water cooled nuclear reactors for decades due to their good corrosion resistance and low neutron absorption. However, the increasing operation conditions of next generation nuclear reactors (Gen-V) in terms of higher temperatures, pressures and higher neutron flux requires evaluation of further Zr cladding usability. The embrittlement of Zr claddings due to hydrogen pickup from reactor coolant is one of the issues for its potential use in Gen-IV reactors. Nanoindentation is an effective tool for anal

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Maezono, H., Y. Noiri, Y. Asahi, et al. "Antibiofilm Effects of Azithromycin and Erythromycin on Porphyromonas gingivalis." Antimicrobial Agents and Chemotherapy 55, no. 12 (2011): 5887–92. http://dx.doi.org/10.1128/aac.05169-11.

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ABSTRACTAntibiotic resistance of biofilm-grown bacteria contributes to chronic infections, such as marginal and periapical periodontitis, which are strongly associated withPorphyromonas gingivalis. Concurrent azithromycin (AZM) administration and mechanical debridement improve the clinical parameters of periodontal tissuein situ. We examined thein vitroefficacy of AZM againstP. gingivalisbiofilms. The susceptibilities of adherentP. gingivalisstrains 381, HW24D1, 6/26, and W83 to AZM, erythromycin (ERY), ampicillin (AMP), ofloxacin (OFX), and gentamicin (GEN) were investigated using a static mo

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Yanez, Jorge, and Andreas G. Class. "Analysis of the accuracy of residual heat removal in gen-IV reactors." Nuclear Engineering and Design 376 (May 2021): 111102. http://dx.doi.org/10.1016/j.nucengdes.2021.111102.

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Hidayatun, Nurul, Nurwita Dewi, Andari Risliawati, et al. "Pendekatan Proaktif dalam Program Konservasi Sumber Daya Genetik Aneka Ubi Indonesia di Bank Gen Lapangan." Buletin Plasma Nutfah 28, no. 1 (2022): 81. http://dx.doi.org/10.21082/blpn.v28n1.2022.p81-94.

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<p>Indonesia memiliki sumber daya genetik ubi yang cukup beragam. Sekitar 2.500 aksesi yang mencakup setidaknya 8 jenis ubi di-konservasi di bank gen lapangan Badan Penelitian dan Pengembangan Pertanian di Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumber Daya Genetik Pertanian (BB Biogen). Tulisan ini memberikan pandangan mengenai pengelolaan koleksi sumber daya genetik aneka ubi yang dikoservasi di BB Biogen pada kurun waktu 2010–2019. Tulisan mencakup hambatan dalam pengelolaan, langkah-langkah yang telah ditempuh, dan langkah ke depan yang dibutuhkan untuk meningkatkan

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Fu, Chen, Mesbah Uddin, and A. Clay Robinson. "Turbulence modeling effects on the CFD predictions of flow over a NASCAR Gen 6 racecar." Journal of Wind Engineering and Industrial Aerodynamics 176 (May 2018): 98–111. http://dx.doi.org/10.1016/j.jweia.2018.03.016.

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39

Kellner, Alexander W. A., Borja Holgado, Orlando Grillo, et al. "Reassessment of Faxinalipterus minimus, a purported Triassic pterosaur from southern Brazil with the description of a new taxon." PeerJ 10 (May 3, 2022): e13276. http://dx.doi.org/10.7717/peerj.13276.

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Faxinalipterus minimus was originally described as a purported pterosaur from the Late Triassic (early Norian) Caturrita Formation of southern Brazil. Its holotype comprises fragmentary postcranial elements, whereas a partial maxilla was referred to the species. The assignment of Faxinalipterus minimus to Pterosauria has been questioned by some studies, but the specimen has never been accessed in detail after its original description. Here we provide a reassessment of Faxinalipterus minimus after additional mechanical preparation of the holotype. Our interpretations on the identity of several

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Mikityuk, Konstantin, Miguel Ferreira, Branislav Hatala, Jan Leen Kloosterman, and Monika Šípová. "Review of Euratom projects on design, safety assessment, R&D and licensing for ESNII/Gen-IV reactor systems." EPJ Nuclear Sciences & Technologies 9 (2023): 18. http://dx.doi.org/10.1051/epjn/2022048.

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Five Euratom projects launched since 2017 in support of the development of ESNII/Generation-IV reactor systems are briefly presented in the paper in terms of key objectives, results, and recommendations for the future. These projects focus on various aspects of the following ESNII/Generation-IV systems: Sodium Fast Reactor, Gas Cooled Fast Reactor, Supercritical Water Cooled Reactor, and Molten Salt Fast Reactor. The paper does not consider EU projects focused on the Gen-IV reactor technologies based on the use of heavy metals as a coolant because these projects are reviewed in a different pap

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Zhang, Peng, Kan Wang, and Ganglin Yu. "A Simplified Supercritical Fast Reactor with Thorium Fuel." Science and Technology of Nuclear Installations 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/405654.

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Super-Critical water-cooled Fast Reactor (SCFR) is a feasible option for the Gen-IV SCWR designs, in which much less moderator and thus coolant are needed for transferring the fission heat from the core compared with the traditional LWRs. The fast spectrum of SCFR is useful for fuel breeding and thorium utilization, which is then beneficial for enhancing the sustainability of the nuclear fuel cycle. A SCFR core is constructed in this work, with the aim of simplifying the mechanical structure and keeping negative coolant void reactivity during the whole core life. A core burnup simulation schem

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Chandra, Laltu, and Ferry Roelofs. "CFD analyses of liquid metal flow in sub-channels for Gen IV reactors." Nuclear Engineering and Design 241, no. 11 (2011): 4391–403. http://dx.doi.org/10.1016/j.nucengdes.2011.01.023.

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Renz, A. Benjamin, Oliver J. Vavasour, Mathias Rommel, et al. "A Study of High Resistivity Semi-Insulating 4H-SiC Epilayers Formed via the Implantation of Germanium and Vanadium." Materials Science Forum 1062 (May 31, 2022): 523–27. http://dx.doi.org/10.4028/p-92w3k6.

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A systematic germanium (Ge) and vanadium (V) study on 4H-SiC epitaxial layers is presented. Electrical results of TLM structures which were fabricated on these layers revealed that highly-doped Ge and V-implanted layers showed extremely low specific contact resistivity, down to 2 x 10-7 Ω.cm2. Current flow in the conducting state of Schottky barrier diodes has been successfully suppressed in some implanted layers, with highly V doped samples showing current density values of approximately 1 x 10-5 Acm-2 at 10 V. DLTS spectra reveal the presence of germanium and vanadium centers in the respecti

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Danjuma, Safyanu Bashir, Zamri Omar, and Mohd Noor Abdullah. "Design of Power Device Sizing and Integration for Solar-Powered Aircraft Application." Journal of Mechanical Engineering 18, no. 3 (2021): 215–32. http://dx.doi.org/10.24191/jmeche.v18i3.15428.

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The power device constitutes the PV cell, rechargeable battery, and maximum power point tracker. Solar aircraft lack proper power device sizing to provide adequate energy to sustain low and high altitude and long endurance flight. This paper conducts the power device sizing and integration for solar-powered aircraft applications (Unmanned Aerial Vehicle). The solar radiation model, the aerodynamic model, the energy and mass balance model, and the adopted aircraft configuration were used to determine the power device sizing, integration, and application. The input variables were aircraft mass 3

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Wang, Yingjie, Zhixian Lai, Hanrui Qiu, Mingjun Wang, Wenxi Tian, and Guanghui Su. "Experimental and numerical analysis of the liquid metal mixing phenomenon in complex jets of Gen-IV nuclear system." International Journal of Heat and Mass Transfer 213 (October 2023): 124330. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2023.124330.

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Vogt, Jean-Bernard, and Ingrid Proriol Serre. "A Review of the Surface Modifications for Corrosion Mitigation of Steels in Lead and LBE." Coatings 11, no. 1 (2021): 53. http://dx.doi.org/10.3390/coatings11010053.

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The review paper starts with the applications of liquid metals and then concentrates on lead and lead–bismuth eutectic used in Gen IV nuclear reactors and accelerator-driven systems. Key points of degradation modes of austenitic stainless steels and ferritic-martensitic steels, candidates for the structural components, are briefly summarized. Corrosion and liquid metal embrittlement are critical issues that must be overcome. Next, the paper focuses on the strong efforts paid to the mitigation of corrosion and reviews the different solutions proposed for the protection of steels in lead and lea

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Magyar, Donát, András Tartally, and Zsolt Merényi. "Hagnosa longicapillata, gen. nov., sp. nov., a New Sordariaceous ascomycete in the Indoor Environment, and the Proposal of Hagnosaceae fam. nov." Pathogens 11, no. 5 (2022): 593. http://dx.doi.org/10.3390/pathogens11050593.

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Hagnosa longicapillata, gen. nov., sp. nov, is described and illustrated from wooden building materials collected in Hungary and from pure culture. This species has been collected exclusively from indoor environments, where it was quite common. The ascocarps develop in a thick layer of brown, woolly mats of mycelia. The ostiolar region of the perithecia is ornamented with a five-lobed, flower-shaped crown. Asci are four-spored; ascospores are dark brown, smooth, muriform, not constricted at the septa, and liberated mostly through crackings of the thin ascomatal wall. Apparently, ascospores are

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Varela-Aldás, José, Renato Mauricio Toasa, and Paul Francisco Baldeon Egas. "Support Vector Machine Binary Classifiers of Home Presence Using Active Power." Designs 6, no. 6 (2022): 108. http://dx.doi.org/10.3390/designs6060108.

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The intelligent analysis of electrical parameters has been facilitated by the Internet of Things (IoT), with capabilities to access a lot of data with customized sampling times. On the contrary, binary classifiers using support vector machines (SVM) resolve nonlinear cases through kernel functions. This work presents two binary classifiers of presence in the home using total household active power data obtained from the automated reading of an IoT device. The classifiers consisted of SVM using kernel functions, a linear function, and a nonlinear function. The data was acquired with the Emporia

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Mehlhorn, T. A., B. B. Cipiti, C. L. Olson, and G. E. Rochau. "Fusion–fission hybrids for nuclear waste transmutation: A synergistic step between Gen-IV fission and fusion reactors." Fusion Engineering and Design 83, no. 7-9 (2008): 948–53. http://dx.doi.org/10.1016/j.fusengdes.2008.05.003.

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GÁMEZ VINTANED, JOSÉ ANTONIO, ELADIO LIÑÁN, DAVID NAVARRO, and ANDREY YU ZHURAVLEV. "The oldest Cambrian skeletal fossils of Spain (Cadenas Ibéricas, Aragón)." Geological Magazine 155, no. 7 (2017): 1465–74. http://dx.doi.org/10.1017/s0016756817000358.

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AbstractDiverse skeletal assemblage has been discovered in the Ediacaran/Cambrian strata of the Codos locality in NE Spain (Aragón, Cadenas Ibéricas). This assemblage includes at least seven genera, only three of which can be ascribed to known taxa. All the fossils are preserved in phosphate but their original microstructures are traceable by both elementary composition and microstructural features that are indicative for primary aragonite and high-magnesium calcite biomineralogies. Already these early skeletal fossils show sophisticated microstructures represented by heterogeneous multilayere

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