bluuebunny/crossref_metadata_2025_split huggingface dataset:
Prevalencia de procrastinación académica, manifestaciones y factores asociados al iniciar la carrera de medicina
Authors: López Portillo Armando , Morales Soto Andrés 
Published: October 2024

Introducción: Al ingresar a la carrera de medicina, los alumnos experimentan situaciones potencialmente estresantes que los ponen en alto riesgo de procrastinación académica (PA), la cual es una tendencia a aplazar las tareas, misma que les genera malestar emocional y se relaciona con bajo rendimiento escolar.
Objetivo: Establecer la prevalencia de PA, sus manifestaciones y los factores asociados en alumnos de nuevo ingreso a la carrera de medicina.
Método: Encuesta transversal analítica, entre septiembre y noviembre de 2023, 124 estudiantes de medicina que cursaban propedéutica en ciclos básicos respondieron dos formularios en línea: el MHCA para evaluar PA y el SISCO para estrés académico (EA), más la escala de nivel socioeconómico (NSE) y otra con factores psicológicos y de personalidad (FPP).
Resultados: Con nivel muy alto de PA resultaron 27% de los alumnos, más de la mitad dejaban a última hora sus actividades escolares, se distraían fácilmente con redes sociales, se sentían cansados y no estaban motivados; con EA resultaron 32%. El mejor modelo multivariado para explicar la PA incluyó NSE alto (OR = 0.132, IC95% 0.021-0.826, p = 0.030), falta de responsabilidad (OR = 6.73, IC95% 2.35-19.3, p < 0.0001), falta de energía (OR = 4.75, IC95% 1.46-15.477, p = 0.010) y factores estresantes (OR = 4.62, IC95% 1.68-12.68, p = 0.003). Con la herramienta para análisis de datos cualitativos se concluyó que adaptarse a un nuevo sistema de educación les generaba estrés y ansiedad, necesitaban apoyo de sus profesores y les piden cambios en su forma de actuar.
Conclusiones: La PA es prevalente al iniciar la carrera, se manifiesta con sentimientos negativos por retrasar compromisos, falta de energía y desmotivación, se asoció a NSE, EA y FPP. Identificar los factores asociados la PA ayudará a planear estrategias para prevenirla y superarla. Los profesores involucrados en la formación de futuros médicos podrían cambiar sus métodos para ayudarlos a mejorar su rendimiento escolar.
Soil Physical Properties of Oil Palm Plantations in Tidal Areas of Peatland
Authors: Simanullang Herbin Dinto , Denaneer Dean , Afrianti Suratni 
Published: October 2024

Oil palm (Elaeis guineensis Jacq) is a plant with a higher vegetable oil content than other oil-producing plants, so palm oil is widely used as the main raw material for processed vegetable oil. The increasingly limited land area and the larger land area in Indonesia so that the space for plantation companies to expand the land is increasingly limited, so that the expansion of oil palm plantations began to change from optimal land to suboptimal land. Soil physical properties are properties related to the shape or original condition of the soil. This study aims to determine the physical properties of soil (texture, porosity, moisture content, soil color, particle density, and bulk density) on peatlands in the tidal area of PT Sinar Gunung Sawit Raya. This research used survey method with descriptive analysis. The soil samples taken were peat soil in the tidal area with purposive random sampling method at a depth of 30 cm. This research was conducted in November 2023 and continued in the laboratory for testing each soil physical properties. The results of the research on soil physical properties at PT Sinar Gunung Sawit Raya on peatlands in tidal areas show that the soil texture is loamy sand, soil porosity is good, moisture content is relatively normal, soil color looks relatively dark, particle density is still low and bulk density value shows low. Keywords: Loamy sand, Oil palm, Peat soil, Soil color, Soil texture.
Morphological and molecular characterization of Paractinolaimus uljinensis n. sp. (Nematoda: Actinolaimidae) from Korea, with an updated compendium of the genus
Authors: Mwamula Abraham Okki , Kim Yi Seul , Lee Dong Woon 
Published: October 2024

Abstract
A new species of the genus Paractinolaimus isolated from the bark of a dead red pine tree was characterized using morphometric data and molecular DNA barcodes. Paractinolaimus uljinensis n. sp. was characterized by its medium sized body 2.50 to 2.98 mm long; lip region truncate, angular and offset by a depression; odontostyle 23.5 to 27.0 μm long; basal shield of pharynx present; vulval opening wide and longitudinal, positioned slightly anteriorly (V = 42.5–47.7); several advulval papillae; female tail long and filiform (324.0–435.0 μm long, c’ = 10.1–14.2); a clearly visible copulatory hump; spicules 60.0 to 70.5 μm long; 12 to 15 (mostly 12–14) large contiguous ventromedian supplements, and male tail conoid to broadly rounded. The new species was morphologically compared with P. intermedius, P. sahandi, P. decraemerae, P. acutus, P. macrolaimus, and P. tuberculatus. The phylogenetic relationships among species were reconstructed using 18S- and 28S-rRNA gene sequences. The phylogenies showed well-supported sister relations of Paractinolaimus uljinensis n. sp. with P. sahandi, P. macrolaimus, and P. decraemerae. In addition, the ITS-rRNA gene sequences of Paractinolaimus uljinensis n. sp. were supplied, representing the first characterization of the gene for the genus.
Hypersonic Stability and Breakdown Measurements on the AFRL/AFOSR BOLT II Flight Geometry
Authors: Kostak-Teplicek Heather E. , Bowersox Rodney D. W. 
Published: October 2024

The Air Force Research Laboratory/Air Force Office of Scientific Research (AFRL/AFOSR) introduced the Boundary Layer Turbulence (BOLT II) flight experiment to further the understanding and modeling of a hypersonic turbulent boundary layer on a geometry that features concave surfaces with swept leading edges. In support of the flight experiment, this paper identifies and documents the transition instabilities and quantifies the breakdown to turbulence on a 25%-scale BOLT II model in hypersonic flow. Experiments were conducted in the conventional Actively Controlled Expansion wind tunnel facility and the Mach 6 Quiet Tunnel located at the Texas A&M University National Aerothermochemistry and Hypersonics Laboratory. Global surface heating was viewed using infrared thermography with on-surface measurements made using high-frequency Kulite and PCB Piezotronics surface pressure transducers. Modal growth was observed among the sensors both upstream and downstream of the model. Off-surface measurements were made in the mixed-mode region utilizing constant-temperature hot-film anemometry in the Mach 6 Quiet Tunnel. Comparisons were made to the Direct Numerical Simulation (DNS) results from the University of Minnesota. Amplified content was observed between [Formula: see text] and 75 kHz in the root-mean-square voltage fluctuations of the hot-film measurements.
Multilingualism, Technology, and Religious Moderation in Indonesian Islamic Boarding Schools
Authors: Subair Muh. , Syamsurijal Syamsurijal , Rismawidiawati Rismawidiawati , Idham Idham , Muslim Abu , Nur Muhammad 
Published: October 2024

Communities that can speak more than one language as a daily habit are not only happening in the present era but have long existed in the pesantren environment. However, multilingualism in pesantren is often only seen as a capacity enhancement of the santri's knowledge. On the other hand, the multilingual ability of the Santri is an asset in forming an attitude of religious moderation. This article then presents the results of qualitative research using the concept of additive multilingualism which focuses on pesantren students in Indonesia. Through observations, interviews, and literature review, this research can describe the reality of multilingualism in pesantren and its impact on the religious attitudes of its santri. It turns out that the religious moderation attitude of the students is closely related to the multilingual learning process in pesantren that takes place with technological restrictions. The application of additive multilingualism is aligned with the pillars of religious moderation in four ways. First, respect for locality is reflected in the Santri's habit of using local languages. Second, multilingualism is an expression of anti-violence, this is reflected in Santri's acceptance of linguistic and ethnic diversity as a brotherhood base. This is what manifests in the Third pillar by making santri a tolerant community as a result of learning from the reality of ethnic and linguistic diversity in their environment. Fourth, the introduction of santri to foreign languages is directed to reaffirm their national commitment through the use of foreign languages in flag ceremonies. The limitation of technology in multilingual learning is also intended to keep students from the bad influence of technology and to maintain the discipline of students in maintaining a pesantren culture that is friendly to locality and sensitive to the times
Does face detection in the superior colliculus rely on input from the primary visual cortex?
Authors: Mekhaiel David Y , Corneil Brian D. , Goodale Mel 
Published: October 2024

In a recent study, Yu and Katz et al. (2024) argue that face-selective visual activity in the superior colliculus (SC) relies on input from the primary visual cortex (V1), based on the loss of visual responses following a temporary lesion to the lateral geniculate nucleus. We argue that alternative explanations deserve consideration. Research on visual recovery after V1 damage (Blindsight) suggests that subcortical pathways, including the SC, can contribute to face detection without V1 involvement. Additionally, the well-documented Sprague Effect, which highlights interhemispheric inhibition of SC activity following ipsilateral V1 damage, may account for the observed suppression of SC visual responses. Further investigation into these mechanisms could help clarify whether SC face detection can operate independently of V1 input.
Characterization of Reaction Products from Field Exposed Tubes
Authors: Unocic K. A. , Pint B. A. , Wright I. G. 
Published: October 2024

Abstract
In order to assist in developing mechanistic and computational models for understanding the performance of current Fe-base waterwall tubing, characterization has been performed on three field-exposed low alloy steel waterwall tubes. The waterside oxide thickness was characterized using standard metallographic techniques. Alloy and oxide chemical composition was characterized using electron microprobe analysis. Waterside scale thickness was measured as a function of location. Agreement between the measured and predicted values based on likely rate constants was poor.
Coal Ash Corrosion Properties of Ni-Based Alloy for Advanced-USC Boilers
Authors: Tanaka Yasuhiro , Komai Nobuyoshi , Suganuma Hiroshi 
Published: October 2024

Abstract
Coal ash corrosion testing was conducted on six solution-treated nickel-based alloy plates (Alloy 617, Alloy 263, Alloy 740, Alloy 141, HR6W [45Ni-23Cr-7W], and HR35 [50Ni-30Cr-4W-Ti]) intended for advanced-USC boilers, along with conventional ferritic and austenitic stainless tubes for comparison. Tests used synthetic coal ash (Na2SO4, K2SO4, Fe2O3) with varying SO2 concentrations (0.02-1.00 vol%). Results showed maximum metal loss at 700°C, with higher SO2 levels causing increased corrosion. Materials with higher chromium content demonstrated better corrosion resistance, suggesting chromium content is a crucial factor in material selection for these applications.
Creep Deformation Behavior and Alloy Design Philosophy of Creep-Resistant Tempered Martensitic 9Cr Steel
Authors: Abe F. 
Published: October 2024

Abstract
In advanced ultra-supercritical (A-USC) power plants, which operate at steam temperatures of 700 °C or higher, there is a need to replace 9 to 12Cr martensitic steels with high-strength nickel-base superalloys or austenitic steels for components exposed to the highest temperatures. However, due to the high cost of nickel-base superalloys, it is desirable to use 9 to 12% Cr martensitic steels for components exposed to slightly lower temperatures, ideally expanding their use up to 650 °C. Key challenges in developing ferritic steels for 650 °C USC boilers include enhancing oxidation resistance and long-term creep rupture strength, particularly in welded joints where resistance to Type IV cracking is critical for constructing thick-section boiler components. The current research aims to investigate the creep deformation behavior and microstructure evolution during creep for base metals and heat-affected-zone (HAZ) simulated specimens of tempered martensitic 9Cr steels, including 9Cr-boron steel and conventional steels like grade 91 and 92. The study discusses the creep strengthening mechanisms and factors influencing creep life. It proposes an alloy design strategy that combines boron strengthening and MX nitride strengthening, avoiding the formation of boron nitrides during normalizing heat treatment, to improve the creep strength of both base metal and welded joints.
High-Temperature Control Valves for the 700°C Fossil Fired Power Plant
Authors: Föllmer B. , Metzger K. , Maile K. , Hoffmann C. , Rohr M. 
Published: October 2024

Abstract
The pursuit of reduced emissions and increased efficiency in ultra-critical steam plants has led to the investigation of systems operating at temperatures up to 720°C and pressures up to 300 bars, necessitating the use of nickel-based alloys. This study focuses on control valves manufactured from Alloy 617, designed for steam temperatures of 725°C, examining specific challenges in their design and manufacture, including machining and welding processes. Initial operational experiences with the valve at 725°C are presented, along with ongoing tribological investigations of nickel-based alloys at 725°C, as standard material pairings with optimized wear behavior are unsuitable at such elevated temperatures. These investigations aim to develop material pairings that can maintain good wear behavior under these extreme conditions.
Long-Term Creep Rupture Strength of Weldment of Candidate Ni and Fe-Ni Based Materials for Tube and Pipe of A-USC Boilers
Authors: Bao G. , Sato T. , Marumoto Y. 
Published: October 2024

Abstract
Continuous and active works have been going to develop 700°C A-USC (Advanced Ultra Super Critical) power plants in Europe, United States and also Japanese national project has launched in 2008. In this new Japanese project Fe-Ni based alloy HR6W (45Ni-24Fe-23Cr-7W-Ti) is one of the candidate materials for boiler tube and pipe as well as Ni based alloys such as well-known Alloy617, Alloy263 and Alloy740. The most important issue in boiler fabrication is the welding process of these alloys and long-term reliability of their weldments. Authors investigated the weldability of HR6W thick-wall pipe. The integrity of the weldment was confirmed with metallurgical investigation, mechanical testing and long term creep rupture test. It is proved that the narrow gap HST welding procedure can meet the requirements for Ni based or Fe-Ni based alloys and provides excellent strength properties.
Enhancing Semiconductor Nanoprobing Procedures with AI-Driven Tip Detection
Authors: Kleindiek David Stefan , Kemmler Matthias , Zell Andreas 
Published: October 2024

Abstract
The automation of nanoprobing application relies on the accurate detection of probe tips in scanning electron microscope (SEM) images. This work explores the application of deep learning models to automate and improve this critical process. Different models such as Mask R-CNN, YOLOv8 and RTMDet, trained on a specialized dataset, are used to accurately detect, segment and localize probe tips in SEM images, even under challenging conditions. Results show that these models have the potential to improve the automation of nanoprobing workflows, particularly in automatic tip positioning and crash prevention. Future work will focus on production-level deployment and the integration of tracking algorithms.
The Advanced Failure Analysis Methods Based on Dynamic Hot Electron Analyzer and IDD3P Measurements for HKMG Sub-nm DRAM
Authors: Lee Sunah , Son Jihoon , Park Jihoon , Jeon Bohyeon , Yun Seokmin , Kim Chaesoo , Kwon Hagyeong , Lee Jayoung , Kim Sangjun , Jung Ilwoo , Park SeGuen 
Published: October 2024

Abstract
In this paper, we propose an advanced failure analysis method for specifying the location of gate-related fails in the High-k Metal Gate (HKMG) MOSFET. The test sample for this experiment is the sub-15nm technology DRAM (Dynamic Random Access Memory) which consists of high speed HKMG transistors. In terms of HKMG transistors, the modification of gate materials and process schemes provoke the various gate related failures in DRAM which makes it more difficult to examine the sample with conventional analyzing methods. So, IDD3P measurement methods along with dynamic Hot Electron Analyzer (HEA) were employed as an advanced fault localization method. IDD3P measurement data provides word-line (WL) dependent failure types which distinguishes the gate-related failures from other irrelevant failures. From the dynamic HEA with the MAGNUM tester, the accurate failure sites can be obtained. Newly combined two analytical methods that we present in this paper are effective in localizing the failure sites more accurate than previously suggested methods.
Optical Automated Interconnect Inspection of Printed Circuit Boards
Authors: Craig Patrick , Pearson Jonathan , Ghosh Shajib , Varshney Nitin , Koppal Sanjeev J. , Asadizanjani Navid 
Published: October 2024

Abstract
In critical fields such as automotive, medicine, and defense, ensuring the reliability of microelectronics has been paramount given the extensive nature of their globalized supply chain. Automated visual inspection (AVI) of printed circuit boards (PCBs) offers a solution through computer vision and deep learning to automate defect detection, component verification, and quality assurance. In this paper, our research follows this precedent by introducing a novel dataset and annotations to train artificial intelligence (AI) models for extracting PCB connectivity components. Utilizing high-resolution images, and state-of-the-art instance segmentation models, this study aims to examine the difficulties in this implementation and lay the groundwork for more robust automated visual inspection.
Fault Isolation and Failure Analysis of Power Distribution Networks in PCBs
Authors: Pichumani Pradip Sairam , Farooqui Zafar , Schnecker Mike , Cuyle Jeff 
Published: October 2024

Abstract
This paper presents a novel approach in analyzing power distribution network (PDN) from a failure analysis perspective. PDNs, although technically should only have DC component, due to the nature of digital systems it powers and the way current is drawn in time and frequency domains, it is essential to look at AC component as well. AC component: impedance plays a huge role in PCB power rails and the different components (active and passive) that connect to it. Different components (i.e., voltage regulators (VR), bulk capacitors, ceramic capacitors, etc.) influence different frequency ranges. Fault isolation is the first step in ensuring the failure location is identified. A combination of near field spectrum analysis and two-port shunt impedance enables the failure analyst to isolate the component that is failing/degraded through this approach. The aim of this paper is to showcase the alternate approaches available for failure analysis of power rail/PDN failures along with their limitations.
Innovative Fault Localization Techniques for ATPG Failures in Wire-Bonded BGA Packages
Authors: Lanzanova Lorenzo 
Published: October 2024

Abstract
Digital fault localization for semiconductor devices failing Automatic Test Pattern Generation (ATPG) tests can be a very challenging task, particularly when the package of the device does not lend itself towards dynamic stimulation techniques. In the case of wire-bonded Ball-Grid-Array (BGA) devices, complete electrical functionality may only be preserved when access to the die is done from the frontside of the unit. This imposes significant limitations to the applicable optical fault isolation (OFI) techniques and their resolution in highlighting an anomaly, especially in advanced technology nodes that incorporate several metal layers. This paper explores the use of digital VDDLV supply domains as a means of activating defects inside specific logic areas, as an alternative to complex electrical setups, thus overcoming the package related limitations.
Polysilicon Line Damage and Burn-In Effectiveness in a 0.18 µm Mixed Signal Product
Authors: Manceau Jean-Philippe , Krenn Patrick , Hofer Isabella , Jost Thomas , Ehgartner Josef , Friesenbichler Bastian , Tschernay Klaus-Peter , Evasco Dann , Lastima Noel , Giardi Monica 
Published: October 2024

Abstract
A 0.18 µm technology process was observed to generate some damage on polysilicon lines (missing polysilicon lines). This induces mainly an increase in digital scan failure rate. This was attributed to a particular fabrication cleaning tool. Improvement of the process was made. For all the material affected by the missing polysilicon line issue and to secure production, some additional production tests and burn-in were introduced. Few devices were failing digital scan test post burn-in and a very particular failure mechanism was observed. Physical failure analysis was performed on these devices, and it was related again to missing polysilicon located into the reset path of some Flip-Flops. Several improvements of the production test program were done to try to detect these devices pre-burn-in. After a final review it was concluded that the reset path failure could only be detected after burn-in.
Temperature Sensitive Failure Characterization Using Thermal Nanoprobing
Authors: Sapir Zvika , Raz Avraham , Orana Andin 
Published: October 2024

Abstract
Soft defects—failures that manifest only under specific voltage, temperature, or frequency conditions—require specialized fault isolation techniques for accurate characterization. This paper demonstrates thermal response failure localization using scanning electron microscope (SEM) nanoprobing with an integrated thermal stage. While nanoprobing typically serves as the final step in fault isolation failure analysis (FIFA), thermal nanoprobing is essential for characterizing temperature-dependent parametric defects by enabling measurements at both passing and failing temperatures. We present three case studies: a "worse at cold" failure reproduction, a parametric root cause identification through thermal characterization, and a complex thermal failure that was uniquely isolatable through thermal nanoprobing. These cases illustrate the technique's effectiveness in analyzing temperature-dependent defects that occur outside room temperature conditions.
Combining Electrical Fault Isolation and Electrical Characterization Inside an SEM to Locate and Characterize Gate Leakages on a 3 nm Device
Authors: Rummel Andreas , Kemmler Matthias , Schock Klaus , Smith Andrew , Kleindiek Stephan 
Published: October 2024

Abstract
This work employs an easy-to-use method to quickly find and characterize leakage currents on a semiconductor sample by combining electrical fault isolation and electrical measurements. By using a simple add-on for a probing system’s tip holders, a prober is transformed into a scanning device that measures currents through a sample’s surface and visualizes the currents in a 2D color map that can be superimposed onto the SE image. As a case study, an area of 1.5 µm x 1.5 µm of a 3 nm device was scanned while the current through the contacts was measured and visualized with Current Imaging (CI) and gate currents were characterized. One leaking gate could be identified and the position of the failure was localized using Electron Beam Induced Resistance CHange (EBIRCH) imaging. This technique also avoids any damage caused by electron beam irradiation as the beam can be switched off during scanning.