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14921
Una metodología novedosa para identificar el origen y evolución del crecimiento de grietas de fatiga en acero
Published 2015-08-01“…Con ayuda de un SEM, se obtuvo una serie de microgramas de las superficies fracturadas de muestras de dos tipos de acero AISI-1018, después de haber aplicado una serie de ensayos de fatiga con relación de esfuerzo R=-1. …”
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14922
Machine learning assisted prediction with data driven robust optimization: Machining process modeling of hard part turning of DC53 for tooling applications supporting semiconductor...
Published 2025-01-01“…This research investigates the hard part turning of DC53 tool steel, which is engineered for better mechanical properties compared to AISI D2 tool steel, using Xcel cubic boron nitride. …”
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14923
Experimental Studies of Fluid Flow Resistance in a Heat Exchanger Based on the Triply Periodic Minimal Surface
Published 2025-01-01“…The heat exchanger is a prototype designed and manufactured additively using 3D printing in metal—AISI 316L steel. The device’s design is based on the triply periodic minimal surface (TPMS) geometry called gyroid, which can only be obtained by incremental manufacturing. …”
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14924
Artificial intelligence for image recognition in diagnosing oral and oropharyngeal cancer and leukoplakia
Published 2025-01-01“…The results and the accuracy of the LLM were rated by two independent reviewers and the overall performance was evaluated using the modified Artificial Intelligence Performance Index (AIPI. In this study, ChatGPT 4.0 demonstrated the ability to correctly identify leukoplakia cases using image recognition alone, while the ability to diagnose SCC was insufficient, but improved by including the clinical history in the prompt. …”
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14925
„I Lituani” Amilcare Ponchiellego – Mickiewiczowska opera włoskiego twórcy
Published 2016-03-01“… Opera I Lituani (Litwini) skomponowana w 1872 roku przez Amilcare Ponchiellego (1834-1886), ważnego włoskiego twórcę operowego drugiej połowy XIX wieku (autora m.in. Giocondy), jest jedną z nielicznych oper inspirowanych poezją Adama Mickiewicza, które zostały stworzone przez zagranicznych (niepolskich) kompozytorów. …”
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14926
Multiple Episodes of Remote Brightenings Driven by a Coronal Extreme-ultraviolet Jet on the Sun
Published 2025-01-01“…We attribute the second peak of RB directly to this hot flow, which our numerical experiments suggest is the result of a slow shock wave. Considering the minimal time delay between the first peak of RB and the eruption, we infer that this first episode is due to heating by nonthermal electrons. …”
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14927
Metal Powder Production by Atomization of Free-Falling Melt Streams Using Pulsed Gaseous Shock and Detonation Waves
Published 2025-01-01“…The operation process is visualized by a video camera. The minimal size of the powders obtained by the method is shown to be as low as 0.1 to 1 μm, while the maximum size of particles exceeds 400–800 μm. …”
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14928
Portafolis digital, avaluació i música: construint una rúbrica per al futur professorat de secundària
Published 2025-01-01“…Aquesta rúbrica es concep, dissenya i consensua dins un grup de treball mixt entre professorat de secundària i professorat universitari, que es reuneix durant 6 hores repartides en diferents sessions. …”
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14929
Influence of Carbon Nanotubes on Enhancement of Sliding Wear Resistance of Plasma-Sprayed Yttria-Stabilised Zirconia Coatings
Published 2022-01-01“…The atmospheric plasma spray (APS) method was used to deposit YSZ + CNTs at three different weight proportions on low carbon steel (AISI 1020) following the industrial standard procedure. …”
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14930
Sulla stima di macro, micro e nano-durezza di materiali metallici mediante analisi elasto-plastiche agli elementi finiti
Published 2011-12-01“…Il lavoro sintetizzato nel presente articolo si pone come obiettivo primario quello di investigare lapossibilita di stimare, mediante un approccio elasto-plastico agli elementi finiti, la durezza dei materiali metalliciconvenzionali, e questo sia a livello macroscopico, che a livello microscopico, che, infine, a livello nanoscopico.Per verificare validita e accuratezza della metodologia FEM sviluppata, sono state condotte una serie di analisisperimentali su tre materiali metallici aventi caratteristiche metallurgiche estremamente diverse: una legadfalluminio (Al 7075-T6), un acciaio a basso tenore di carbonio (BS970-En3B) e, infine, un acciaio austenitico(AISI 316L). Lfindentazione Vickers e stata simulata con analisi elasto.plastiche agli elementi finiti considerandocarichi di prova nellfintervallo tra 490 N e 490 ƒÊN e calibrando le simulazioni numeriche mediante curvemonotone tensione.deformazione ottenute da prove di trazione eseguite utilizzando provini sia di dimensioneconvenzionale che aventi larghezza della zona calibrata dellfordine dei 100 ƒÊm.La sistematica comparazione tra risultati sperimentali e simulazioni numeriche ha posto in evidenza comelfaumentare del valore della durezza misurata al diminuire della dimensione dellfimpronta possa essere imputataal ruolo giocato dalla reale morfologia del materiale, ruolo che diventa predominante sulla plasticitaconvenzionale quando le dimensioni della superficie indentata diventano comparabili con le dimensioni mediedella grana cristallina delle leghe esaminate. …”
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14931
Sulla stima di macro, micro e nano-durezza di materiali metallici mediante analisi elasto-plastiche agli elementi finiti
Published 2011-12-01“…Il lavoro sintetizzato nel presente articolo si pone come obiettivo primario quello di investigare lapossibilita di stimare, mediante un approccio elasto-plastico agli elementi finiti, la durezza dei materiali metalliciconvenzionali, e questo sia a livello macroscopico, che a livello microscopico, che, infine, a livello nanoscopico.Per verificare validita e accuratezza della metodologia FEM sviluppata, sono state condotte una serie di analisisperimentali su tre materiali metallici aventi caratteristiche metallurgiche estremamente diverse: una legadfalluminio (Al 7075-T6), un acciaio a basso tenore di carbonio (BS970-En3B) e, infine, un acciaio austenitico(AISI 316L). Lfindentazione Vickers e stata simulata con analisi elasto.plastiche agli elementi finiti considerandocarichi di prova nellfintervallo tra 490 N e 490 ƒÊN e calibrando le simulazioni numeriche mediante curvemonotone tensione.deformazione ottenute da prove di trazione eseguite utilizzando provini sia di dimensioneconvenzionale che aventi larghezza della zona calibrata dellfordine dei 100 ƒÊm.La sistematica comparazione tra risultati sperimentali e simulazioni numeriche ha posto in evidenza comelfaumentare del valore della durezza misurata al diminuire della dimensione dellfimpronta possa essere imputataal ruolo giocato dalla reale morfologia del materiale, ruolo che diventa predominante sulla plasticitaconvenzionale quando le dimensioni della superficie indentata diventano comparabili con le dimensioni mediedella grana cristallina delle leghe esaminate. …”
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14932
Lideratge digital en l’educació: una revisió dels últims 50 anys
Published 2025-01-01“…Les troballes indiquen que la formació en lideratge tecnològic és crucial per millorar la qualitat educativa, ja que les escoles amb líders que la promouen i l'adopten tenen un 30% més de probabilitats de millorar els seus resultats acadèmics. Així es veu a Espanya, on la participació en programes d'alfabetització digital ha crescut notablement, i l'ús de tecnologies emergents, com la intel·ligència artificial, està en augment. …”
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14933
折叠翼缘冷弯薄壁C型钢构件抗弯性能研究
Published 2024-01-01“…当板件间角度不变时,随着弯折后翼缘段宽度比值的增加,折叠翼缘试件的抗弯承载力逐渐提高,提高幅度约为14%~49%。此外,采用AISI S100-2016中直接强度法公式计算了折叠翼缘试件的极限承载力,并与有限元分析结果进行了比较。…”
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14934
The Association of Inflammatory Indexes Derived from Peripheral Blood Cell Count and Clinical Signs with Response to Treatment with Dupilumab in Pediatric Patients with Moderate-to...
Published 2025-01-01“…Derived inflammatory indexes, including neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), eosinophil-to-lymphocyte ratio (ELR), eosinophil-to-neutrophil Ratio (ENR), monocyte-to-lymphocyte ratio (MLR), inflammation response index (SIRI), systemic inflammation index (SII), and aggregate inflammation systemic index (AISI) were calculated. …”
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14935
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14936
Internalisasi nilai-nilai pendidikan agama Islam bagi remaja di lingkungan keluarga di kota Subulussalam
Published 2024-01-01“…Teknik pengumpulan data dalam penelitian ini adalah observasi, wawancara dengan jenis wawancara terstruktur, dan dokumentasi. …”
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14937
Electric Machinery: volume II A-C machines /
Published 1946“…volume II A-C machines /…”
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14938
Biochemistry : the molecular basis of life /
Published 2017Table of Contents: “…Machine generated contents note: -- Table of Contents -- Chapter 1 Biochemistry: An Introduction -- Chapter 2 Living Cells -- Chapter 3 Water: The Matrix of Life -- Chapter 4 Energy -- Chapter 5 Amino Acids, Peptides, and Proteins -- Chapter 6 Enzymes -- Chapter 7 Carbohydrates -- Chapter 8 Carbohydrate Metabolism -- Chapter 9 Aerobic Metabolism I: The Citric Acid Cycle -- Chapter 10 Aerobic Metabolism II: Electron Transport and Oxidative Phosporylation -- Chapter 11 Lipids and Membranes -- Chapter 12 Lipid Metabolism -- Chapter 13 Photosynthesis -- Chapter 14 Nitrogen Metabolism I: Synthesis -- Chapter 15 Nitrogen Metabolism I: Degradation -- Chapter 16 Integration of Metabolism -- Chapter 17 Nucleic Acids -- Chapter 18 Genetic Information -- Chapter 19 Protein Synthesis.…”
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14939
Digital Design in Action : creative solutions for designers /
Published 2017Table of Contents: “…Understanding visual communication design -- Creating a visual presentation -- Prototyping a user interface (UI) design -- Designing interactions -- Exploring responsive design -- Integrating motion in digital design -- Composing interactive forms -- Publishing to mobile devices -- Understanding visual storytelling -- Evaluating and testing usability.…”
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14940
The Surgical Clinics of North America, vol. 66, no. 6 : nutrition and cancer II /
Published 1986“…nutrition and cancer II /…”
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