bluuebunny/crossref_metadata_2025_split huggingface dataset:
EL IMPACTO DEL CONTENIDO DISCIPLINAR EN EL CONOCIMIENTO PROFESIONAL Y LA PRÁCTICA ÁULICA DEL PROFESOR DE INGLÉS COMO LENGUA EXTRANJERA
Authors: Quintana Marcela , Ramos Lucía , Díaz Claudio , Tangle Tania , Alarcón Paola 
Published: August 2024

El objetivo de este estudio es analizar el impacto del conocimiento disciplinar de los docentes de inglés como lengua extranjera en ejercicio en colegios de la región de Tarapacá. El instrumento utilizado fue una entrevista semiestructurada aplicada a nueve profesores de inglés. Los resultados ofrecen una visión sobre el impacto del conocimiento disciplinar en la práctica diaria de estos docentes. Este impacto se ve afectado por una serie de factores como el contexto escolar, su formación de pregrado, su experiencia y creencias. Además, los resultados revelaron que algunos profesores entienden el conocimiento disciplinar como el conocimiento de la lengua y cómo enseñarla, es decir, conocimiento pedagógico del contenido.
ANATOMÍA INTERNA Y FRECUENCIA DEL TERCER CONDUCTO EN LA RAÍZ MESIAL DEL PRIMER MOLAR INFERIOR PERMANENTE
Authors: Arohuanca Inquilla Evelin Jenifer , Juárez Vizcarra César Fernando 
Published: August 2024

Objetivos. Describir la anatomía interna y determinar la presencia del tercer conducto en la raíz mesial del primer molar inferior permanente. Materiales y métodos. Se usaron 140 molares seccionados a nivel de la unión amelocementaria y la furca. Se permeabilizaron los conductos con limas tipo K y EDTA y se sometieron al proceso de diafanización: las raíces se sumergieron en ácido clorhídrico al 7% renovado cada 12 horas hasta completar la descalcificación, posteriormente se deshidrataron en una batería de alcohol. Para completar la transparentación se secaron las raíces y sumergieron en salicilato de metilo al 99.9%. Para contrastar el sistema de conductos se irrigó con tinta china. Resultados. Según la clasificación de Vertucci se observa el 23.6% pertenece al Tipo II, el 17.1% al tipo IV, y e1 4% corresponde al tipo VIII. El 30% de las raíces mesiales estudiadas presentan un tercer conducto. Sólo el 17.9% presentan tres entradas de conductos. El 46.4% presentan dos forámenes, el 45% un foramen, y el 5.7% más de tres forámenes. Se encontró relación entre la presencia de forámenes y la forma del ápice. Conclusiones: tres de cada diez raíces mesiales estudiadas presentan tercer conducto, La morfología apical externa del ápice guarda relación con el número de forámenes presentes.
RESISTENCIA FENOTÍPICA DE 30 ACCESIONES DE TUNA (Opuntia sp.) A LA CERCOSPORIOSIS (Cercospora sp.) HUANTA A 2628 msnm, AYACUCHO
Authors: Flores P. Gabriela , De la Cruz L. German , Barrantes del A. Fernando 
Published: August 2024

Objetivo. Determinar la resistencia de 30 accesiones de tuna (Opuntia sp.) a la Cercosporiosis (Cercospora sp), Materiales y métodos. En este estudio se realizó el aislamiento de cladodios con síntomas de la enfermedad. Hongos fitopatógenos Cercospora sp y Didymosphaeria sp. La enfermedad causada por este hongo es conocida en Perú como “Cercosporiosis” de tuna, enfermedad que causa bajos rendimientos de fruta. Se recolectó una muestra de pencas tunas del Banco de Germoplasma de Pucaqasa del C.E Wayllapampa y se trasladaron a Huanta para inducir la inoculación natural. La investigación se realizó en los meses de noviembre del 2013 a setiembre del 2014. La unidad de muestra consistió en 03 pencas de cada accesión. La evaluación de los cambios sintomatológicos de la enfermedad se realizó quincenalmente, durante 10 meses, registrándose los cambios morfológicos de las lesiones desde su fase inicial (F1) hasta la fase final de esporulación (F6). Resultados. Tomándose en cuenta únicamente las lesiones que concluyeron con el ciclo y llegaron a la última fase (F6). Para esto, la accesión P5 registró un 30 % de porcentaje de severidad, (susceptible), y la P29 un 17% (susceptible); al contraste con este resultado las accesiones P20, P27 y P28 no han mostrado sintomatología con 0.0 % de severidad (resistente). Las demás accesiones se califican como tolerantes. La caracterización agro-morfológica de 28 caracteres de planta y cladodio, de las 30 accesiones de tuna, formó seis grupos o morfotipos, expresando diferencia genética entre todos.
Single Phase Variable Frequency Drive (VFD) Inverter menggunakan Arduino ATmega328
Authors: Sugiono Judi Prajetno 
Published: August 2024

Kehidupan manusia saat ini adalah kehidupan yang lebih baik dan akan menjadi lebih baik.Fenomena ini muncul akibat terjadinya percepatan teknologi yang menghasilkan pemenuhan kepentingan. Termasuk Kebutuhan listrik menjadi semakin kritis, peningkatan kapasitas maupun peningkatan efisiensi (dalam banyak indicator) harus diperjuangkan. Akan tetapi Potensi kehilangan daya listrik mungkin sekali ikut membesar mengingat tegangan yang diberikan adalah tegangan tinggi sedangkan beban menggunakan tegangan rendah – dibutuhkan konversi tegangan; Pengadaan peralatan dari desain awal sudah seharusnya memperhitungkan hal ini.
Desain peralatan penyedia listrik setidaknya memberikan empat bentuk konversi, yaitu Rectifier, Inverter, Chopper dan cyclo-converter. Secara teoritis hanya rectifier dan inverter yang memenuhi kebutuhan umum penyediaan listrik, tetapi dari sisi ukuran ekonomis desain berbasis inverter lebih disukai. Inverter adalah perangkat yang mengubah tegangan input DC menjadi tegangan output AC. Perubahan ini seperti menggunakan sebuah switch yang bergetar dengan frekuensi tertentu, mirip dengan proses sampling pada sebuah gelombang. Karena itu inverter seperti ini disebut sebagai Variable Frequency Drive (inverter VFD).
Hal yang menarik perhatian adalah menggunakan proses switching dengan gelombang sinusoidal. Bentuk ini disebut dengan Sinusoidal Pulse Width Modulation (s-PWM). Bentuk rancangan s-PWM dalam penelitian ini menggunakan topologi unipolar yang mana cara ini sudah cukup idak derelukan menggunakan topologi bipolar. Sedangkan untuk mencecgah terjadinya shoot-through dilakukan dengan menggunakan pergeseran offset suatu nilai SPWM. Pergeseran offset terbaik adalah 11 dengan index modulasi 88. Hasil uji coba perangkat inverter VFD yang dibuat mampu mengatur frekuensi dari 25 Hz sampai dengan 50 Hz, dan menghasilkan efisiensi 78.32% -80.97% dengan THD 1.25% - 1.64%
Kata Kunci: Inverter, VFD, SPWM, THD,
FEATURES OF PROSECUTORAL SUPERVISION OVER THE EXECUTION OF LAWS ON PREVENTION OF EXTREMIST ACTIVITIES OF MINORS
Authors: Расторопов С.В. , Агапов П.В. , Закомолдин Р.В. 
Published: August 2024

Статья посвящена анализу проблемы влияния на несовершеннолетних деструктивных субкультур. Отмечается, что наиболее успешно внедрение деструктивных идеологий обеспечивается посредством информационных технологий – социальных сетей, мессенджеров, сайтов, видеохостинга и т. п.Анализируются такие молодежные деструктивные субкультуры, как анимэ, колумбайн, А.У.Е., ультрас. В связи с распространением в молодежной среде криминальной субкультуры отмечается заинтересованность в этом непосредственно криминалитета, поскольку за счет пополнения криминальных рядов молодыми людьми закладываются долгосрочные перспективы. Отдельное внимание уделяется проявлениям экстремизма и радикализма в молодежной среде. Анализируются особенности предупреждения, профилактики и пресечения экстремистской деятельности несовершеннолетних посредством прокурорского надзора. Указывается на необходимость взаимодействия прокуратуры с иными органами государственной власти и местного самоуправления, а также институтами гражданского общества. Отмечается, что принятие Стратегии комплексной безопасности детей в Российской Федерации на период до 2030 года стало новым этапом развития данного направления прокурорской деятельности.
The article is devoted to the analysis of the problem of the influence of destructive subcultures on minors. It is noted that the most successful implementation of destructive ideologies is ensured through information technologies - social networks, instant messengers, websites, video hosting, etc. Such destructive youth subcultures as anime, Columbine, A.U.E., ultras are analyzed. In connection with the spread of the criminal subcultureamong youth, it is noted that the criminals themselves are interested in this, since by replenishing the criminal ranks with young people, long-term prospects are laid. Special attention is paid to manifestations of extremism and radicalism among young people. The features of prevention, prevention and suppression of extremist activities of minors through prosecutorial supervision are analyzed. The need for interaction between the prosecutor's office and other state and local government bodies, as well as civil society institutions is pointed out. It is noted that the adoption of the Strategy for the Comprehensive Safety of Children in the Russian Federation for the period until 2030 has become a new stage in the development of this area of prosecutorial activity.
Music@Home–Retrospective: A new measure to retrospectively assess childhood home musical environments
Authors: Kathios Nicholas , Lopez Kelsie L. , Gabard-Durnam Laurel Joy , Loui Psyche 
Published: August 2024

AbstractEarly home musical environments can significantly impact sensory, cognitive, and socioemotional development. While longitudinal studies may be resource-intensive, retrospective reports are a relatively quick and inexpensive way to examine associations between early home musical environments and adult outcomes. We present the Music@Home–Retrospective scale, derived partly from the Music@Home–Preschool scale (Politimou et al., 2018), to retrospectively assess the childhood home musical environment. In two studies (total n = 578), we conducted an exploratory factor analysis (Study 1) and confirmatory factor analysis (Study 2) on items, including many adapted from the Music@Home–Preschool scale. This revealed a 20-item solution with five subscales. Items retained for three subscales (Caregiver Beliefs, Caregiver Initiation of Singing, Child Engagement with Music) load identically to three in the Music@Home-–Preschool Scale. We also identified two additional dimensions of the childhood home musical environment. The Attitude Toward Childhood Home Musical Environment subscale captures participants’ current adult attitudes toward their childhood home musical environment, and the Social Listening Contexts subscale indexes the degree to which participants listened to music at home with others (i.e., friends, siblings, and caregivers). Music@Home–Retrospective scores were related to adult self-reports of musicality, performance on a melodic perception task, and self-reports of well-being, demonstrating utility in measuring the early home music environment as captured through this scale. The Music@Home–Retrospective scale is freely available to enable future investigations exploring how the early home musical environment relates to adult cognition, affect, and behavior.
Estudio de los núcleos de las canteras-taller del sector noroccidental de Tandilia (Provincia de Buenos Aires)
Authors: Barros María Paula , Ríos Malan Milagros , Álvarez María Clara , Kaufmann Cristian Ariel , Messineo Pablo G. 
Published: August 2024

This paper presents the analysis of chert and orthoquartzite cores recovered from quarry-workshop sites located in the northwestern sector of Tandilia, Buenos Aires province. The main objective is to determine the knapping methods used to reduce the cores and to identify the types of débitage used on each rock. Considering the volumes and morphologies of the cores that were being reduced, the selected technical criteria and production objectives are analyzed. In this sense, different objectives related to obtaining supports represented by modules of different dimensions and thicknesses were identified. In turn, natural and prepared platforms were observed, as well as pieces with unidirectional, bidirectional and multidirectional extractions. There is great variability in the reduction of the cores, some of which are scarcely used and others exhausted, including bipolar pieces. These studies allowed us to recognize different ways in the exploitation of both rocks that are mainly related to the way in which they occur naturally in the outcrops.
فعالية حفظ النصوص العربية في تنمية مهارة الكلام لدى الطلاب في المستوى الثانوي بمعهد رياض الصالحين فرابالينكا
Authors: Solehudin Muhamad , Rohman M. Alfi Fazlur 
Published: August 2024

كان معهد رياض الصالحين فرابالينكا لم يكن فيه إحياء اللغة العربية إلا بعد أواخر هذه السنوات بالأدق نشأت اللغة العربية فيه قبل أربعة سنوات الماضية، و وجود العربية لدى الطلاب بمعهد رياض الصالحين صارت غربية في أول الحضور، و لم يكن أيضا لديهم الهمة في تغلغل و تعمق على اللغة العربية. فإن هذا البحث له الأهداف هي لوصف تطبيق ممارسة الكلام باستخدام حفظ النصوص العربية لدى المستوى الثانوي بمعهد رياض الصالحين فرابالينكا ولمعرفة الزيادة في الإتقان على كلام العربية لدى المستوى الثانوي بمعهد رياض الصالحين ففرابالينكا
هذا البحث هو البحث التجريبي . ويسمى بالتجريبي، يحاول هذا البحث أن يأخذ تأثيرا من المتغيرات المعين على المتغير الآخر بمراقبة جديدة . واسلوب جمع البيانات المستخدم فى هذا البحث هو الملاحظة والمقابلة والإستبانة والإختبار.
أما نتائج البحث فى هذا البحث هي: 1) أن تعليم مهارة الكلام باستعمال حفظ النصوص العربية بمعهد رياض الصالحين فرابالينكا يتكون من حفظ النصوص العربية و ممارسة الإلقاء بما قد حفظ الطلبة من تلك النصوص ثم المكالمة بين المدرس و الطلبة عن السؤال و الجواب.2) حفظ النصوص العربية فعالة في تنمية مهارة كلام الطلاب باللغة العربية في المستوى الثانوي بمعهد رياض الصالحين فرابالينكا، وذلك بمعنى نتائج الاختبار البعدي ارتفع. وهذه يظهر من النتائج الاختبار التاء (t-test) هي نتيجة (t-table) أكبر من نتيجة (t-hitung) = 2.24 < 2.71 فقد اتضح الاستنباط منها أن Ho ضعيف و Ha مقبول، بمعنى فيه التأثير في استعمال حفظ النصوص في تنمية مهارة كلام الطلاب باللغة العربية في المستوى الثانوي بمعهد رياض الصالحين فرابالينكا.
إستراتجيات تعليم مهارة الكلام لدى مشاركات المسابقة العربية وعواملها المؤثرة في معهد دار اللغة والدعوة للبنات
Authors: Sari Alvia Putri Prima , Seti Ismawati  , Ahmad Nahid Mashury  
Published: August 2024

الإستراتيجية إحجى مفاتح نجاح في عملية التعلم والتعليم لحصول الطلاب على الأهداف المنشودة. ويهدف هذا البحث إلى شرح الإستراتيجية المستخدمة لدى مدربات المسابقة العربية بمعهد دار اللغة والدعوة والعوامل المؤثرة. هذه الدراسة الكيفية الوصفية ونوعها دراسة الحالة، وجمع البيانات المحصول من الملاحظة والمقابلة والوثائق. ويستخدم التحليل عند Miles Huberman الذي يتكون من ١) تقليل البيانات، ٢) عرض البينات، و٣) الاستنتاج. تدل نتائج البحث هنا، أن الأنشطة اللغوية مثل أجيال أبوي والمحاضرة العربية تركز إلى الحفظ أو التدريبات، وأما المسرحية بشكل المجموعة، والمناظرة العربية تعليم منشط وملكة اللغة تعليم مستقيل. العوامل المؤثرة هي المدربات المتقنات في العربية والمناخ التعليمي الإيجابي بين الشركات المكافأة ومحاولة لجن المسابقة في عرض الحفلة الإفتتاحية جذابة. وتشتمل العوامل المعوقات من العوامل الداخلية أو العوامل النفسية منها الخجول وقلة ثقة النفس والدوافع التعليمية الضعيفة. والعوامل الخارجية هي. ضعف كفاءة التلميذات وقلة الوقت لتدريب. وجد في هذا البحث أن تميل المدربات إلى تعليم متمركز حول المعلم وفي بعض الأنشطة خاصة المسرحية والمناظر وملكة اللغة باستخدام تعليم متمركز حول المتعلم.
Evidence of Water Vapor in the Atmosphere of a Metal-rich Hot Saturn with High-resolution Transmission Spectroscopy
Authors: Rafi Sayyed A. , Nugroho Stevanus K. , Tamura Motohide , Nortmann Lisa , Sánchez-López Alejandro 
Published: August 2024

Abstract
Transmission spectroscopy presents one of the most successful approaches for investigating the atmospheres of exoplanets. We analyzed the near-infrared high-resolution transmission spectrum of a hot Saturn, HD 149026 b, taken using CARMENES spectrograph (

R

∼

80,400

). We found evidence of H2O at a signal-to-noise ratio (S/N) of ∼4.8. We also performed grid search using a Bayesian framework and constrained the orbital velocity K
p and rest velocity V
rest to

158.17

−
7.90

+
8.31

km s−1 and

2.57

−
0.57

+
0.54

km s−1, respectively. While the retrieved K
p value is consistent with theoretical prediction, the retrieved V
rest value is highly redshifted (>3σ). This might be an indication of either anomalous atmospheric dynamics at play or an orbit with nonzero eccentricity. Additionally, we searched for HCN but no successful detection has been made, possibly due to the relatively low-S/N data set. The detection of H2O and subsequent retrieval of its abundance, coupled with analysis of other species such as CO in the K band, for example, might help us to get some information about the atmospheric C/O ratio and metallicity, which in turn could give us some insight into the planet’s formation scenario.
Coronal Models and Detection of the Open Magnetic Field
Authors: Asvestari Eleanna , Temmer Manuela , Caplan Ronald M. , Linker Jon A. , Heinemann Stephan G. , Pinto Rui F. , Henney Carl J. , Arge Charles N. , Owens Mathew J. , Madjarska Maria S. , Pomoell Jens , Hofmeister Stefan J. , Scolini Camilla , Samara Evangelia 
Published: August 2024

Abstract
A plethora of coronal models, from empirical to more complex magnetohydrodynamic (MHD) ones, are being used for reconstructing the coronal magnetic field topology and estimating the open magnetic flux. However, no individual solution fully agrees with coronal hole observations and in situ measurements of open flux at 1 au, as there is a strong deficit between the model and observations contributing to the known problem of the missing open flux. In this paper, we investigate the possible origin of the discrepancy between modeled and observed magnetic field topology by assessing the effect on the simulation output by the choice of the input boundary conditions and the simulation setup, including the choice of numerical schemes and the parameter initialization. In the frame of this work, we considered four potential field source surface-based models and one fully MHD model, different types of global magnetic field maps, and model initiation parameters. After assessing the model outputs using a variety of metrics, we conclude that they are highly comparable regardless of the differences set at initiation. When comparing all models to coronal hole boundaries extracted by extreme-ultraviolet filtergrams, we find that they do not compare well. This mismatch between observed and modeled regions of the open field is a candidate contributing to the open flux problem.
Black Hole Mass and Eddington Ratio Distribution of Hot Dust-obscured Galaxies
Authors: Li Guodong , Assef Roberto J. , Tsai Chao-Wei , Wu Jingwen , Eisenhardt Peter R. M. , Stern Daniel , Díaz-Santos Tanio , Blain Andrew W. , Jun Hyunsung D. , Aranda Román Fernández , Zewdie Dejene 
Published: August 2024

Abstract
Hot dust-obscured galaxies (Hot DOGs) are a rare population of hyperluminous infrared galaxies discovered by the Wide-field Infrared Survey Explorer mission. Despite the significant obscuration of the active galactic nucleus (AGN) by dust in these systems, pronounced broad and blueshifted emission lines are often observed. Previous work has shown that eight Hot DOGs, referred to as blue-excess Hot DOGs (BHDs), present a blue excess consistent with type 1 quasar emission in their UV–optical spectral energy distributions (SEDs), which has been shown to originate from the light of the obscured central engine scattered into the line of sight. We present an analysis of the rest-frame optical emission characteristics for 172 Hot DOGs through UV–mid-IR SED modeling and spectroscopic details, with a particular focus on the identification of BHDs. We find that while the optical emission observed in Hot DOGs is in most cases dominated by a young stellar population, 26% of Hot DOGs show a significant enough blue excess emission to be classified as BHDs. Based on their broad C iv and Mg ii lines, we find that the mass of the black hole M
BH in a BHD ranges from 108.7 to 1010
M
⊙. When using the same emission lines in regular Hot DOGs, we find the M
BH estimates cover the entire range found for BHDs while also extending to somewhat lower values. This agreement may imply that the broad lines in regular Hot DOGs also originate from scattered light from the central engine, just as in BHDs, although a more detailed study would be needed to rule out an outflow-driven nature. Similar to z ∼ 6 quasars, we find that Hot DOGs sit above the local relation between stellar and black hole masses, suggesting either that AGN feedback has not yet significantly suppressed the stellar mass growth in the host galaxies or that they will be outliers of the relation when reaching z = 0.
The Structural and Orbital Effects of Active Galactic Nuclei Feedback on SMBH Binaries Embedded in Gaseous Circumbinary Disks
Authors: d’Etigny Juan , Escala Andrés , Rosdhal Joakim 
Published: August 2024

Abstract
Using subparsec-scale-resolution radiation+hydrodynamical adaptive mesh refinement simulations deployed with the RAMSES code, we study the dynamics of supermassive black hole (SMBH) binaries embedded in gaseous nuclear circumbinary disks, where we investigate the effects of active galactic nucleus feedback on the SMBH binaries' migration behavior and disk structure. The radiative feedback effects are modeled by injecting photons that interact with the gas, through the adoption of a grid of BH emission spectra. We run simulations with initial conditions that lead by pure gravity plus hydrodynamics both to the formation of a low-density tidal cavity and to systems where gas–viscous diffusion is efficient enough to maintain a sizable gas reservoir surrounding the binary. For gap-forming binaries we find that orbital evolution is unchanged with the inclusion of feedback, but ionizing radiation photoevaporates gas that is at the outer edge of the low-density region. For non-gap-forming systems we find that when feedback is included a strong initial disruption of the circumbinary disk is followed by an eventual stabilization of the medium that can usher a return to a fast binary migration regime. All of this is possible as a result of how our simulations capture the ionization states of the nuclear disk region and how this affects the coupling efficiency decrease with respect to the radiative feedback.
Neutron Star Atmosphere–Ocean Dynamics
Authors: Nättilä Joonas , Cho James Y-K. , Skinner Jack W. , Most Elias R. , Ripperda Bart 
Published: August 2024

Abstract
We analyze the structure and dynamics of the plasma atmospheres and Coulomb-liquid oceans on neutron stars. Salient dynamical parameters are identified and their values estimated for the governing set of magnetohydrodynamics equations. Neutron star atmospheres and oceans are strongly stratified and, depending on the rotation period, contain a multitude of long-lived vortices (spots) and/or narrow zonal jets (free-shear zones) in the large plasma-beta regime—i.e., β
p ≫ 1 (hydrodynamic regime). In contrast, when β
p ≲ 1 (magnetohydrodynamic regime), the flow is dominated by a global lattice of effectively fixed magnetic islands (plasmoids) without any jets. Understanding the spatiotemporal variability of dynamic atmospheres and oceans on neutron stars is crucial for interpreting observations of their X-ray emissions.
Strong Bow Shocks: Turbulence and an Exact Self-similar Asymptotic
Authors: DuPont Marcus , Gruzinov Andrei , MacFadyen Andrew 
Published: August 2024

Abstract
We show that strong bow shocks are turbulent and nonuniversal near the head but asymptote to a universal, steady, self-similar, and analytically solvable flow in the downstream. The turbulence is essentially 3D and has been confirmed by a 3D simulation. The asymptotic behavior is confirmed with high-resolution 2D and 3D simulations of a cold uniform wind encountering both a solid spherical obstacle and stellar wind. This solution is relevant in the context of (i) probing the kinematic properties of observed high-velocity compact bodies—e.g., runaway stars and/or supernova ejecta blobs—flying through the interstellar medium; and (ii) constraining stellar bow shock luminosities invoked by some quasiperiodic eruption models.