bluuebunny/crossref_metadata_2025 huggingface dataset:
Silliä turkin alla
Authors: Pitkänen Silja
Published: December 2024

Kirja-arvostelu teoksesta:
Lehtonen, Pekka: Myyttien ja utopioiden maa. Venäjän historiaa ja aatteita penkomassa. Warelia, 2022, 412 s.
Kehollisuuden kulttuurihistoriaa, hellettä ja rokokoopalatseja – raportti ISCH-konferenssista Potsdamissa
Authors: Perämäki Anna-Leena
Published: December 2024

Konferenssiraportti
MODELAGEM HIDRÁULICA DO ENCHIMENTO DE TANQUE E TRANSIENTE HIDRAULICO EM REDE DE DISTRIBUIÇÃO DE ÁGUA
Authors: Campos Angélica Luciana Barros de , Barbosa Jonathan Lima , Silva Welitom Ttatom Pereira da
Published: December 2024

O comportamento hidráulico durante a operação de uma rede de distribuição é moldado por alterações nos padrões temporais de consumo, nas flutuações dos níveis dos tanques, nas ativações e desativações de bombas, bem como nas aberturas e fechamentos de válvulas, entre outros fatores. Essas modificações dão origem ao fenômeno denominado Transiente Hidráulico, que pode provocar danos às tubulações e comprometer a qualidade da água. Neste contexto, o presente trabalho tem como objetivo o desenvolvimento de um modelo para a simulação do preenchimento de tanques e do transiente hidráulico em uma rede de distribuição de água. Uma rede simulada foi criada, composta por dois reservatórios: um para distribuição e outro residencial. Nessa rede, foram simuladas as condições de tubulação nova e tubulação antiga, sendo necessário empregar o método das Características, com algumas adaptações para o processo de enchimento. Foram considerados dois cenários com diferentes níveis de rugosidade, de forma que o cenário 2 apresenta uma rugosidade maior. Os resultados indicam que o preenchimento do tanque no cenário 1 ocorre antes em comparação ao cenário 2. Além disso, as maiores cargas e vazões após o transiente estão no cenário 1, superando, em determinados momentos, os valores de pressão e velocidade estabelecidos pela NBR 12218/94. Por outro lado, a estabilização das cargas e vazões após o transiente ocorreu primeiro no cenário 2, em função da maior perda de carga. Portanto, o modelo desenvolvido pode ser considerado satisfatório para a análise do preenchimento de tanques e do transiente hidráulico em redes de distribuição.
ESTUDO DA VARIAÇÃO DA CONCENTRAÇÃO DE CLORO EM DIFERENTES TEMPERATURAS
Authors: Pintar Ana Caroline , Barbosa Jonathan Lima , Silva Welitom Ttatom Pereira da , Santos Aldecy de Almeida
Published: December 2024

O cloro destaca-se como um dos agentes mais amplamente empregados no processo de desinfecção nas Estações de Tratamento de Água. Embora apresente diversas vantagens, sua eficácia pode ser influenciada por certos fatores, resultando na diminuição da concentração previamente estabelecida ao longo da rede de abastecimento, sendo a temperatura um dos principais. Para investigar essa influência, foram realizados ensaios com cinco amostras de água, nas concentrações de 0,5 mg.L-1, 1,0 mg.L-1, 2,0 mg.L-1, 3,0 mg.L-1 e 4,0 mg.L-1, submetidas a testes Jar-Test em diferentes temperaturas, incluindo 0ºC, 4ºC, 20ºC e 28ºC. A concentração de cloro em cada amostra foi medida a cada meia hora durante um período de 12 horas. Observou-se uma redução significativa nos níveis de cloro na maioria das amostras, sendo que essa diminuição foi mais acentuada com o aumento da temperatura. Em temperaturas mais baixas, notou-se uma instabilidade nas concentrações de cloro.
Yerel Yönetimlerde Çalışan Memnuniyetinin Çalışanların Demografik Özelliklerine Göre Farklılaşması: Bağcılar Belediyesi Örneği
Authors: Güçlü Mehmet Sıddık , Çaycı Sabri
Published: December 2024

Belediyeler yerel halka yerinde hizmet sunmak ve sorunlarını yerinde çözmek amacıyla oluşturulmuş, karar organları seçimle işbaşına gelen yerel yönetim birimleridir. Yöneticileri halk tarafından seçildiğinden dolayı belediyeler, müşterileri doğrudan yerel seçmenler olan hizmet kurumlarıdır. Verilen hizmetin kalitesine etki eden başlıca faktörlerden biri olan çalışan memnuniyeti hem belediye yöneticileri açısından hem de halkın adaletli, yeterli, kaliteli ve zamanında hizmet alması açısından önemli bir unsurdur. Bu çalışmada, Bağcılar Belediyesi personelinin iş memnuniyetlerinin çalışanların kişisel özelliklerine göre değişip değişmediği incelenmiştir. 441 katılımcıdan gelen anket yanıtlarının analiz edildiği bu araştırmanın sonuçlarına göre, çalışan memnuniyeti; personelin öğrenim durumu, yaşı, kadro durumu ve kurumda geçirdikleri sürelere göre istatistiksel olarak anlamlı şekilde farklılaşır. Bu çalışma, literatürde yerel yönetim çalışanlarının iş memnuniyetlerine yönelik yapılmış az sayıda çalışmadan biri olması açısından önemlidir. Ayrıca elde edilen sonuçlar, çalışanlarının memnuniyet düzeylerini yükseltmek isteyen yerel yöneticilere yol gösterici niteliktedir.
Perbedaan Tingkat Self-Efficacy Akademik Siswa Ditinjau dari Aspek Jenis Kelamin serta Implikasinya dalam Bimbingan dan Konseling
Authors: Wahid Ahmad , Firman Firman , Netrawati Netrawati
Published: December 2024

With good academic self-efficacy will give students the ability to try harder, overcome challenges and obstacles in the learning process. The focus of this study is to describe academic self-efficacy and examine the differences in academic self-efficacy from the aspect of gender. The approach used is quantitative with a comparative descriptive method. The research population was Phase E students of SMA Negeri 10 Padang, with a total of 360 students. Sample selection was carried out by proportional random sampling. After the sampling process, the sample in this study amounted to 190 students, with 95 male and female samples each. The process of collecting data by administering an academic self-efficacy scale with a Likert model, which was then tested using the Independent Sample T-test formula. The results explained that the overall condition of students' academic self-efficacy, both male and female, is currently in the high category, and the available data suggest that there is a meaningful difference in academic self-efficacy between them.
Behavior Modification Techniques to Build Student Discipline
Authors: Abidah Lani , Thohir Mohamad , Syaputra Yogi Damai
Published: December 2024

Discipline is a fundamental value in education that has a significant influence on student learning achievement and character development. Obedience, compliance, and orderliness, which are important aspects of an individual's personality in the family, school, and community environments, are reflected in discipline. However, there are still challenges with low student discipline, which is influenced by various internal and external factors. The role of guidance and counseling (BK) teachers is vital in providing motivation through appropriate counseling services. An effective discipline management program includes planning, implementation, evaluation, and consistency from all parties involved. This study aims to identify the programs implemented by the BK teacher team at SMPN 13 Surabaya to build student discipline, as well as the behavior modification techniques applied. With a descriptive qualitative approach involving interviews, observations, and document analysis, this study found that the programs implemented include morning greetings, collecting cellphones in the BK room, congregational prayers, and participation in Sekolah Arek Suroboyo. Behavior modification techniques applied include positive reinforcement, token economy, and negative reinforcement. This research enhances our understanding of effective strategies for managing student discipline through behavior modification, and provides a model that other schools can implement.
Reproducción ampliada desde los márgenes. Lo público, lo privado y lo comunitario en la historia de salud de una recicladora y su hijo (Quito-Ecuador)
Authors: Vega Solís Cristina
Published: December 2024

Lejos de presentar un rostro unívoco, en América Latina, lo público en las políticas sociales y de apoyo a la reproducción y el cuidado se ha caracterizado por su ambivalencia. En ocasiones ausente, en otras presente; operando a distancia, de forma marginal o arbitraria; generando apoyos asistenciales, focalizados o administrados por intermediarios; con un semblante benefactor pero también criminalizador, autoritario y patriarcal. Lo reproductivo en el Estado aparece a través de agencias y agentes que con frecuencia operan en un mismo periodo bajo lógicas distintas e incluso contradictorias. Junto a él actúa la obra social privada y otras instancias. La emergencia de lo comunitario como quehacer en la familia, el barrio, la comuna o la organización, como presión sobre lo público y simultáneamente construcción (relativamente) autónoma de condiciones de supervivencia, revela articulaciones de recursos complejas y cambiantes para los sectores populares. El presente texto explora las declinaciones de lo público, lo privado y lo común en la vida de una recicladora de calle y su hijo con un problema de salud de nacimiento. A través de entrevistas biográﬁcas se analizan las múltiples apariciones y signiﬁcados que adquieren estos ámbitos para la reproducción de la salud en relación a una vida puntuada por la precariedad y la adversidad. Inspirada en el concepto de reproducción ampliada y la perspectiva sobre los márgenes del Estado, estudio el periplo de clase, género y raza de la Sra. Beatriz y su hijo.
Significant Mutual Inclinations Between the Stellar Spin and the Orbits of Both Planets in the HAT-P-11 System
Authors: An Qier , Lu Tiger , Brandt G. Mirek , Brandt Timothy D. , Li Gongjie
Published: December 2024

Planet–star obliquity and planet–planet mutual inclination encode a planetary system’s dynamical history, but both of their values are hard to measure for misaligned systems with close-in companions. HAT-P-11 is a K4 star with two known planets: a close-in, misaligned super-Neptune with a ≈5 day orbit, and an outer super-Jupiter with a ≈10 yr orbit. In this work we present a joint orbit fit of the HAT-P-11 system with astrometry and S-index corrected radial velocity data. By combining our results with previous constraints on the orientation of the star and the inner planet, we find that all three angular momenta—those of the star, planet b, and planet c—are significantly misaligned. We confirm the status of planet c as a super-Jupiter, with 2.68 ± 0.41 M
Jup at a semimajor axis of 4.10 ± 0.06 au, and planet b’s mass of M

b
sini
b
= 0.074 ± 0.004 M
Jup. We present the posterior probability distribution of obliquity between star A and planet c, and mutual inclination between planet b and planet c.
The SUPERCOLD-CGM Survey. II. [C i](1–0) Emission and the Physical Conditions of Cold Gas in Enormous Lyα Nebulae at z ∼ 2
Authors: Li Jianan , Emonts Bjorn H. C. , Cai Zheng , Li Jianrui , Wang Ran , Villar-Martín Montserrat , Arrigoni Battaia Fabrizio , Li Mingyu , Wu Yunjing , Yoon Ilsang , Lehnert Matthew D. , Massingill Kyle , Sarazin Craig , Prochaska Jason X , Lacy Mark , Mason Brian
Published: December 2024

We report Atacama Large Millimeter/submillimeter Array and Atacama Compact Array observations of atomic carbon ([C i](1–0)) and dust continuum in 10 enormous Lyα nebulae hosting ultraluminous Type-I QSOs at z = 2.2–2.5, as part of the Survey of Protocluster ELANe Revealing CO/C i in the Lyα Detected CGM. We detect [C i](1–0) and dust in all 10 QSOs and five companion galaxies. We find that the QSOs and companions have higher gas densities and more intense radiation fields than Luminous Infrared galaxies and high-z main sequence galaxies, with the highest values found in the QSOs. By comparing molecular gas masses derived from [C i](1–0), CO(4−3), and dust continuum, we find that the QSOs and companions display a similar low CO conversion factor of α
CO ∼ 0.8 M
☉

[
K

km

s

-
1

pc
2

]

−
1

. After tapering our data to low resolution, the [C i](1–0) flux increases for nine QSOs, hinting at the possibility of [C i](1–0) in the circumgalactic medium (CGM) on a scale of 16−40 kpc. However, the [C i](1–0) sensitivity is too low to confirm this for individual targets, except for a tentative (2.7σ) CGM detection in Q0050+0051 with

M

H

2

= (1.0–2.8) × 1010
M
☉. The 3σ mass limits of molecular CGM for the remaining QSO fields are (0.2–1.4) × 1010
M
☉. This translates into a baryon fraction of <0.4%–3% in the molecular CGM relative to the total baryonic halo mass. Our sample also includes a radio-detected active galactic nuclei, Q1416+2649, which shows [C i](1–0) and CO(4−3) luminosities an order of magnitude fainter for its far-infrared luminosity than other QSOs in our sample, possibly due to a lower molecular gas mass.
The Peak Frequency and Luminosity of Synchrotron Emitting Shocks: From Nonrelativistic to Ultrarelativistic Explosions
Authors: Margalit Ben , Quataert Eliot
Published: December 2024

Synchrotron emission is ubiquitous in explosive astrophysical events—it is a natural byproduct of shocks formed when matter expelled by the explosion collides with ambient material. This emission is well observed in various classes of transients, and is often interpreted within a canonical “equipartition” framework that allows physical properties of the shock to be inferred from the frequency and luminosity at which the observed spectral energy distribution (SED) peaks. This framework has been remarkably successful in explaining observations of radio supernovae. It has also been used for transrelativistic explosions, where the shock velocities approach the speed of light. However, the conventional framework does not incorporate relativistic effects. Neither does it account for thermal electrons, which have been shown to be important for high-velocity shocks. In this paper we describe a revised framework that accounts for these two effects, and is applicable to nonrelativistic, transrelativistic, and ultrarelativistic explosions. We show that accounting for these effects can dramatically change the inferred parameters of high-velocity shocks, and, in particular, that the shock velocity, ambient density, and total energy are overestimated by the conventional nonrelativistic framework. We delineate the phase-space where such modifications are important in terms of observationally measurable parameters. We also find a novel upper limit on the peak synchrotron luminosity of shock-powered transients, which is remarkably consistent with existing observations. Finally, we discuss a prediction of the model—that the SED will qualitatively change as a function of shock velocity—and show that this is broadly consistent with data for representative events (e.g., SN1998bw, AT2018cow, CSS161010, AT2020xnd).
Shear Particle Acceleration in Structured Gamma-Ray Burst Jets. I. Physical Origin of the Band Function and Application to GRBs 090926A, 131108A, and 160509A
Authors: Wang Zi-Qi , Huang Xiao-Li , Liang En-Wei
Published: December 2024

The radiation physics of gamma-ray bursts (GRBs) remains an open question. Based on the simulation analysis and recent observations, it was proposed that GRB jets are composed of a narrow ultrarelativistic core surrounded by a wide subrelativistic cocoon. We show that emission from the synchrotron radiations and the synchrotron self-Compton (SSC) process of shear-accelerated electrons in the mixed jet-cocoon (MJC) region and internal-shock-accelerated electrons in the jet core is potentially explained the spectral characteristics of the prompt gamma rays. Assuming an exponential-decay velocity profile, the shear flow in the MJC region can accelerate electrons up to

γ

e
,
max

∼

10
4

for injected electrons with γ
e,inject = 3 × 102 if its magnetic field strength (

B
cn

) is 100 G and its inner-edge velocity (

β

cn
,
0

) is 0.9 c. The cooling of these electrons is dominated by the SSC process, and the emission flux peaks at the keV band. In addition, the energy flux of synchrotron radiations of internal-shock-accelerated electrons (γ

e
= 104 ∼ 105) peaks at around the keV−MeV band, assuming a bulk Lorentz factor of 300, a magnetic field strength of ∼106 G for the jet core. Adding the flux from both the jet core and the MJC region, the total spectral energy distribution illustrates similar characteristics as the broadband observations of GRBs. The bimodal and Band cut spectra observed in GRBs 090926A, 131108A, and 160509A can be well fit with our model. The derived

B
cn

varies from 54 G to 450 G and

β

cn
,
0

=
0.83
∼
0.91

c.
Atmospheric Abundances and Bulk Properties of the Binary Brown Dwarf Gliese 229Bab from JWST/MIRI Spectroscopy
Authors: Xuan Jerry W. , Perrin Marshall D. , Mawet Dimitri , Knutson Heather A. , Mukherjee Sagnick , Zhang Yapeng , Hoch Kielan K. W. , Wang Jason J. , Inglis Julie , Wallack Nicole L. , Ruffio Jean-Baptiste
Published: December 2024

We present JWST/Mid Infrared Instrument (MIRI) low-resolution spectroscopy (4.75–14 μm) of the first known substellar companion, Gliese 229Bab, which was recently resolved into a tight binary brown dwarf. Previous atmospheric retrieval studies modeling Gliese 229B as a single brown dwarf have reported anomalously high carbon-to-oxygen ratios (C/O) of ≈1.1 using 1–5 μm ground-based spectra. Here, we fit the MIRI spectrum of Gliese 229Bab with a two-component binary model using the Sonora Elf Owl grid and additionally account for the observed K-band flux ratio of the binary brown dwarf. Assuming the two brown dwarfs share the same abundances, we obtain C/O = 0.65 ± 0.05 and

[M/H]
=
0.0

0

−
0.03

+
0.04

as their abundances (2σ statistical errors), which are fully consistent with the host star abundances. We also recover the same abundances if we fit the MIRI spectrum with a single brown dwarf model, indicating that binarity does not strongly affect inferred abundances from mid-infrared data when the T
eff are similar between components of the binary. In addition, we measure

T
eff

=
90

0

−
29

+
78

K and

T
eff

=
77

5

−
33

+
20

K for the two brown dwarfs. We find that the vertical diffusion coefficients of

log

K

z
z

≈
4.0

are identical between the two brown dwarfs and in line with

log

K

z
z

values inferred for isolated brown dwarfs of similar T
eff. Our results demonstrate the power of mid-infrared spectroscopy in providing robust atmospheric abundance measurements for brown dwarf companions and, by extension, giant planets.
Potential for Life to Exist and be Detected on Earth-like Planets Orbiting White Dwarfs
Authors: Whyte Caldon T. , Quiroga-Nuñez L. H. , Lingam Manasvi , Pinilla Paola
Published: December 2024

With recent observations confirming exoplanets orbiting white dwarfs, there is growing interest in exploring and quantifying the habitability of temperate rocky planets around white dwarfs. In this work, the limits of the habitable zone of an Earth-like planet around a white dwarf are computed based on the incident stellar flux, and these limits are utilized to assess the duration of habitability at a given orbital distance. For a typical 0.6M
⊙ white dwarf an Earth-like planet at ∼0.012 au could remain in the temporally evolving habitable zone, maintaining conditions to support life, for nearly 7 Gyr. Also, additional constraints on habitability are studied for the first time by imposing the requirement of receiving sufficient photon fluxes for UV-mediated prebiotic chemistry and photosynthesis. We demonstrate that these thresholds are comfortably exceeded by planets in the habitable zone. The prospects for detecting atmospheric biosignatures are also evaluated and shown to require integration times on the order of 1 hr or less for ongoing space observations with JWST.
The Symbiotic Star V694 Mon has Transitioned from the Accreting-only State to the Steady Burning Phase
Authors: Munari Ulisse
Published: December 2024

I propose that the drastic photometric and spectroscopic changes affecting the symbiotic star V694 Mon since 2018, are due to its transition from the accreting-only state to steady hydrogen-burning on the surface of the white dwarf (WD), closely mimicking the pattern followed by V4368 Sgr. The phase of peak optical brightness and weakest emission lines has probably been reached in early 2024. The high-velocity absorptions powered by jet-ejection and the wild flickering, which dominated the century-long quiescence, should not reappear as long has nuclear burning will hold (timescale of decades). The 3500 L
⊙ burning luminosity suggests a 0.60 M
⊙ mass for the WD.
The γ-Ray-emitting BL Lac 4FGL J1219.0+3653 in the Radio
Authors: Krezinger Máté , Gabányi Krisztina Éva , Frey Sándor
Published: December 2024

We collect radio data of 4FGL J1219.0+3653, the first γ-ray BL Lac candidate known above redshift 3. We analyze total flux density measurements covering a wide frequency range (0.33–5 GHz) as well as the only available very long baseline interferometry (VLBI) data. The radio spectrum is flat. Based on the radio data, there is no evidence that the compact jet emission is Doppler-enhanced, at odds with the BL Lac classification. The Gaia-VLBI optical-radio positional offset is ~9 mas which appears larger than usual in a blazar-like source but is still within 3σ uncertainties.
Un altro mare. I trasferimenti animali e la loro rappresentazione culturale nei testi latini
Authors: Vespa Marco
Published: December 2024

L’analisi del mondo mediterraneo come spazio interconnesso caratterizzato da spostamenti e flussi di popolazioni trova nello studio dei trasferimenti animali un terreno ricco di scenari da ricostruire per le antiche società greca e romana. Questa ricerca si concentra su uno degli animali più rari dell’ecofauna mediterranea, la scimmia, evidenziando un paradosso solo apparente: se i dati archeozoologici e le rappresentazioni iconografiche forniscono un apporto limitato allo studio dei trasferimenti di primati non umani in area mediterranea per il I millennio a.C., i testi della letteratura latina al contrario presentano un quadro più ricco. Dal teatro comico latino alla produzione satirica romana, le scimmie popolano i testi antichi ed è proprio la loro natura di animale “trasferito”, se non deportato, a essere messa in risalto nella rappresentazione culturale che i testi danno di questo animale e dei traffici commerciali che ne rendevano possibile la presenza a Roma e in area italica.
El concepto de arcaísmo (gramatical) desde la norma académica: un análisis de la NGLE
Authors: Fernández Martín Patricia
Published: December 2024

El objetivo del trabajo es analizar el tratamiento que recibe el concepto de arcaísmo (gramatical) en la NGLE. Para ello, primero se diferencia entre norma académica y norma lingüística, se define el mismo concepto de arcaísmo y, después, se exponen los casos en que aparecen arcaísmo y arcaico, -a en la NGLE, de acuerdo con cuatro variables: diacrónica, sociolingüística, pragmática y discursiva. La principal conclusión propone una definición del término más ajustada a la diversidad real de la lengua: un fenómeno gramatical considerado antiguo por la norma académica (variable diacrónica), que no puede darse en enunciados que se rijan por una variable sociolingüística, pragmática o discursiva, pues, de hacerlo, ya no sería un arcaísmo de acuerdo con la(s) norma(s) lingüística(s).
Les représentations de l’Afrique dans l’œuvre littéraire de René Maran
Authors: Scheel Charles W.
Published: December 2024

Cette étude porte sur les nombreuses œuvres que René Maran a consacrées à l’Afrique pendant les trente-six dernières années de sa vie à Paris, après « le scandale de Batouala ». Elle s’intéresse d’abord aux œuvres de fiction, notamment les romans et les contes animaliers du Cycle de la brousse africaine, puis à celles, semi-autobiographiques, sur la jeunesse de l’auteur à Bordeaux. Maran y évoque, après une enfance solitaire en internat (alors que ses parents sont en Afrique), ses doutes sur les chances d’un mariage heureux d’un jeune homme noir avec une femme blanche, surtout en milieu colonial. Le troisième volet de l’étude passe en revue les essais de nature ethnographique que Maran a consacrés au Continent noir. La production de ses textes de genres divers est le fruit de la même expérience d’une dizaine d’années passées en Afrique, et des mêmes lectures concernant les rapports entre la France et ses colonies africaines.
« Enfans de l’Amérique » : La citoyenneté dans la presse de Saint-Domingue, 1793
Authors: Stahl Aletha
Published: December 2024

Cette analyse de la presse saint-dominguoise de 1793 révèle des différences entre Saint-Domingue et la France relativement à l’idée de citoyenneté, tout en soulignant que la citoyenneté ici se base sur le droit français. Elle témoigne aussi de l’importance de la langue créole et montre son élaboration graphique, bien que le français reste la norme de la culture écrite dans la colonie, et elle soutient l’idée d’une conscience de la rhétoricité du langage et donc des efforts pour réinventer la société par aménagement linguistique. Le discours qui en résulte contribue à une configuration de la citoyenneté qu’on pourrait qualifier de créole.
Alejo Carpentier : la sacralisation de la marge
Authors: Lucas Rafael
Published: December 2024

Il s’agit d’examiner les procédures mises en œuvre par Alejo Carpentier pour réévaluer dans son écriture l’histoire caribéenne, dans une démarche d’affirmation de l’américanité qui est appréhendée ici sous l’angle d’une « sacralisation de la marge ».
L’héroïté « engluée » comme expression d’une identité (et d’une humanité) troublée dans Los habitantes de Salvador Garmendia
Authors: Bertin-Elisabeth Cécile
Published: December 2024

Dans son roman « Los habitantes » (1961), Salvador Garmendia présente le mal-être existentiel de personnages aux marges tant de l’existence que des critères traditionnels de l’héroïcité. La disparition de l’individualité humaine, noyée dans la multitude et l’immobilisme, est évoquée en l’opposant à la description d’une ville qui prend vie. Ainsi, ces héros crasseux, englués dans l’inaction, mettent en exergue le manque de conscience politique d’une société vénézuélienne en crise.
La patrimonialisation comme phénomène d’entropie culturelle : des dynamiques créatives des immigrés dans la patrimonialisation en contexte français
Authors: Djeguede Vincent Francis Cyr
Published: December 2024

La crise de l’intégration socioculturelle des immigrés dans la société française est multidimensionnelle. Dans le contexte français, l’impasse sur les apports civilisationnels des immigrés manifeste une contradiction du sens de la patrimonialisation comme phénomène d’entropie culturelle. L’entropie culturelle est ce mouvement culturel vital permanent qui implique une pratique créative et réinterprétative des éléments par le biais de dynamiques plurielles. La patrimonialisation apparaît ainsi comme l’un des phénomènes de cette entropie culturelle liée à la nature incomplète, limitée et finie de la culture qui reste en constante extension et en interaction. La patrimonialisation étant ainsi un parcours créatif continu et inachevé, tributaire de cette entropie culturelle, elle pourrait évoluer vers une vision plurielle et partagée dans la perspective de la culture augmentée (Djeguede, 2023b, 2024).
Le Lycée Professionnel Yennega et la sauvegarde de la mémoire de l’ouvroir colonial de tapis haute laine de Ouagadougou (1969-2013)
Authors: Sambaré Boubacar
Published: December 2024

La trajectoire de l’ouvroir de tapis haute laine de Ouagadougou de 1917 à 2013 laisse entrevoir trois phases dans la vie de cet atelier textile. De l’ouvroir colonial (1917-1957) créé par les Pères Blancs durant la période coloniale au Lycée Professionnel Yennega en passant par le Centre de Formation Féminine et Artisanale, on note la capacité d’adaptation de l’atelier de tissage de tapis face aux difficultés. Durant ses quarante années d’existence, l’ouvroir colonial, en raison de la qualité de ses tapis, était devenu une attraction touristique incontournable de la ville de Ouagadougou. Sa réputation allait au-delà des frontières de la colonie de Haute-Volta. À ce titre, il attirait de nombreux visiteurs. La renaissance de l’ouvroir à travers la création du Centre de Formation Féminine et Artisanale (CFFA), sous l’impulsion du gouvernement voltaïque en 1969, procédait d’une volonté de faire renaître une curiosité touristique prisée par les visiteurs. Cependant, l’évolution du contexte économique postcolonial contraignit les administrateurs du CFFA à y opérer de profonds changements destinés à garantir sa survie. Le présent article, en s’appuyant à la fois sur des sources orales et écrites, fait une analyse diachronique du processus de fabrication de ce patrimoine et de la stratégie mise en œuvre en vue de le sauvegarder.
« Doit-on instaurer une dictature écologique ? » Influence du thème abordé sur les pratiques argumentatives des lycéens
Authors: Renard Charlie
Published: December 2024

Le thème de l’écologie dans un dialogue philosophique semble porteur de tensions épistémologiques et émotionnelles spécifiques, qui pourraient aider ou gêner l’argumentation philosophique des lycéens. Le propos de cet article est de décrire et de comprendre davantage, à partir de l’analyse d’un corpus composé de trois dialogues observés en classe de philosophie en France, l’influence du thème abordé sur les pratiques argumentatives.
Éducation à l'environnement et dialogue philosophique : obstacles et recommandations pour l’intégration en milieu scolaire
Authors: Beaudry Nadia
Published: December 2024

La pratique du dialogue philosophique (PDP) est une avenue pédagogique de choix en éducation relative à l'environnement (ERE). Certains obstacles ont cependant été documentés, tant pour l'intégration de la PDP en classe que pour celle de l'ERE. Quels sont les obstacles potentiels et les recommandations à prendre en compte dans le cadre d’un projet éducatif d’ERE qui ferait appel à la PDP ? Nous avons entrepris une recension narrative de la littérature permettant d’identifier les obstacles et les recommandations relatives à l’ERE et nous les avons mis en relation avec des obstacles et des recommandations identifiés en PDP. Nous avons pu repérer ainsi six catégories d'obstacles et quatre catégories de recommandations. Des pistes pour de futures recherches sont proposées.
Artificial Intelligence in Diagnosis and Management of Nail Disorders: A Narrative Review
Authors: Gaurav Vishal , Grover Chander , Tyagi Mehul , Saurabh Suman
Published: December 2024

Background:

Artificial intelligence (AI) is revolutionizing healthcare by enabling systems to perform tasks traditionally requiring human intelligence. In healthcare, AI encompasses various subfields, including machine learning, deep learning, natural language processing, and expert systems. In the specific domain of onychology, AI presents a promising avenue for diagnosing nail disorders, analyzing intricate patterns, and improving diagnostic accuracy. This review provides a comprehensive overview of the current applications of AI in onychology, focusing on its role in diagnosing onychomycosis, subungual melanoma, nail psoriasis, nail fold capillaroscopy, and nail involvement in systemic diseases.

Materials and Methods:

A literature review on AI in nail disorders was conducted via PubMed and Google Scholar, yielding relevant studies. AI algorithms, particularly deep convolutional neural networks (CNNs), have demonstrated high sensitivity and specificity in interpreting nail images, aiding differential diagnosis as well as enhancing the efficiency of diagnostic processes in a busy clinical setting. In studies evaluating onychomycosis, AI has shown the ability to distinguish between normal nails, fungal infections, and other differentials, including nail psoriasis, with a high accuracy. AI systems have proven effective in identifying subungual melanoma. For nail psoriasis, AI has been used to automate the scoring of disease severity, reducing the time and effort required. AI applications in nail fold capillaroscopy have aided the analysis of diagnosis and prognosis of connective tissue diseases. AI applications have also been extended to recognize nail manifestations of systemic diseases, by analyzing changes in nail morphology and coloration. AI also facilitates the management of nail disorders by offering tools for personalized treatment planning, remote care, treatment monitoring, and patient education.

Conclusion:

Despite these advancements, challenges such as data scarcity, image heterogeneity, interpretability issues, regulatory compliance, and poor workflow integration hinder the seamless adoption of AI in onychology practice. Ongoing research and collaboration between AI developers and nail experts is crucial to realize the full potential of AI in improving patient outcomes in onychology.
Comparative Evaluation of Survival Against Fracture in Premolars Treated Endodontically for Cervical Lesions and Restored with Resin and Crowns
Authors: Singh Punita , Sandhu Rameet , Singh Pinky , Karthik Sahana , Bharti Shobha , Bhargava Manish
Published: December 2024

ABSTRACT

Background:

For endodontic treatment, coronal restoration is crucial in preventing coronal leakage and protecting against fractures in the remaining tooth structure.

Aim:

To evaluate the effect of the restorations in endodontically treated teeth on survival against fracture in premolars having cervical lesions to identify the prognostic factors depicting the fracture.

Methods:

Endodontically treated premolars had exposed cervical lesions, and crowns or resin composites were assessed. In the included premolars, the fracture presence was noted along with the prognostic factors associated. The data recorded were analyzed using applicable statistical tests and considering P < 0.05 as the significance level.

Results:

There was no statistically significant difference in the rates of survival against breakage among teeth replaced with resin composites or crowns, and a decrease in crestal bone in the middle third of the root for fracture was identified as the most important predictor (P < 0.05).

Conclusion:

In endodontically treated premolar and exposed cervical lesions, a high survival against fracture rate was associated with resin composite restoration compared to the crowns and premolars with crestal bone loss till the middle-third of the root have a high risk of fracture.
Omeprazole with Calcium Hydroxide’s Effectiveness as an Intracanal Medication against Enterococcus faecalis
Authors: Babu Binila Surendra , Padmini Souparnika Divakaran , Shreya Manthra Ajith , Sreekala Panachiyil Rajan , Chanthiam Renju , Nisha C
Published: December 2024

ABSTRACT

Aims:

To evaluate the effectiveness of omeprazole mixed with calcium hydroxide (Ca(OH)2), as intracanal medicament in eliminating Enterococcus faecalis.

Materials and Methods:

Our study included 93 extracted mandibular premolars. A total of 15 μL of 0.5 McFarland standard E. faecalis (ATCC 29212) was inoculated into each canal and incubated at 36.5°C for 24 h. The specimens were divided into three groups: Group I (n = 30), control group without intracanal medicament, Group II (n = 30) with Ca(OH)2 and Group III (n = 30) with omeprazole and Ca(OH)2. The numbers of colony forming units (CFUs) were counted after 24 h. The same procedure was repeated after 7 and 14 days for the remaining samples.

Statistical Analysis Use:

Statistical analysis was performed using the analysis of variance (ANOVA) test (P < 0.05).

Results:

We found a significant reduction in the colony-forming unit count in the omeprazole– Ca(OH)2 group. In the Ca(OH)2 group, the number of CFUs was significantly higher than in the omeprazole–Ca(OH)2 group.

Conclusion:

Omeprazole mixed with Ca(OH)2 was more effective than Ca(OH)2 alone in eliminating E. faecalis.
Periodontal Therapy as an Adjunct to Pulmonary Rehabilitation in Chronic Respiratory Diseases: A Randomized Controlled Trial
Authors: Parihar Anuj S. , Khare Neha , Bayyapu Sneha , Kaur Maninderjit , Kochar Deepak , Laddha Rashmi
Published: December 2024

ABSTRACT

Background:

Chronic respiratory diseases (CRDs) significantly impact quality of life and are linked to systemic inflammation. This study explores the potential connection between oral and respiratory health by investigating the benefits of integrating periodontal therapy into pulmonary rehabilitation (PR) for CRD patients.

Objective:

This randomized controlled trial (RCT) assessed the impact of periodontal therapy combined with PR on lung function, quality of life, and systemic inflammation in CRD patients.

Methods:

2500 adults with CRDs and moderate to severe periodontal disease were randomized to receive standard PR or PR plus periodontal therapy. The primary outcome was the change in forced expiratory volume in one second (FEV1). Secondary outcomes included quality of life, inflammatory markers, and periodontal health parameters.

Results:

The combined therapy group showed significantly greater improvements in FEV1 (P < 0.001), quality of life (P < 0.05), and inflammatory markers (P < 0.01) compared to the PR-only group. Significant improvements were also observed in all periodontal health parameters in the combined therapy group.

Conclusion:

Integrating periodontal therapy into PR programs provides additional benefits for CRD patients, suggesting a potential mechanism through which addressing periodontal inflammation positively impacts overall health. These findings support the inclusion of periodontal therapy as an adjunctive treatment strategy in CRD management.
Endodontic Management of Permanent Mandibular Teeth having Rare Morphological Variations in Root Canal Anatomy—A Case Report
Authors: Yadav Monica , Ojha Supriya S. , Raj Shweta , Jain Gaurav , Shukla Preeti , Misra Pradyumna
Published: December 2024

ABSTRACT

By completing an optimal root canal treatment, endodontic therapy aims to repair the damaged periapical area by removing microorganisms and their by-products from the infected root canal space. Nonetheless, a number of variables, such as understanding the architecture of root canals, precise diagnosis and treatment planning, and subsequent management of any anatomical variation in the affected tooth, all have a significant impact on the outcome of an endodontic procedure. There may always be differences, even though research indicates that most permanent human dentition has a similar root canal architecture. Therefore, it is critical to detect these morphological changes since failing to do so might have unfavorable effects and affect how well the medication is administered. Ignorance of anatomical variance, leading to a missing canal, is one of the most frequent causes of endodontic failure. In this case study, uncommon clinical symptoms in mandibular teeth—which are typically single-rooted—are discussed along with the endodontic treatment that followed.
Effect of Bleaching on Surface Roughness of White Spot Lesions Treated with Different Modalities of Resin Infiltration: An Vitro Study
Authors: Alshahrani Aidel Abdullah , Elrashid Afra
Published: December 2024

ABSTRACT

Background:

This experimental study evaluated the effect of resin infiltrant (RI) application modalities and bleaching on surface roughness (SR) of the RI white spot lesions (WSLs).

Methods:

Ninety-six extracted sound premolar teeth were selected, and their coronal part was embedded in a self-cure acrylic resin block. After demineralization, the samples were randomly divided into four study groups (n = 24) based on treatment modalities used: Group 1, etched + RI; Group 2, 1 time etched + 2 times RI; Group 3, 2 times etched + 1 time RI; and Group 4, 2 times etched + 2 times RI. Later all teeth were subjected to bleaching. The SR was assessed using an optical profilometer, post-bleaching, and RI in all groups.

Results:

Two-way ANOVA confirmed the significance of “Treatment” and the interaction effect between “Group” and “Treatment.” While the t-test confirmed significant differences in SR when compared to the effect of RI and bleaching among the groups (P < 0.05).

Conclusion:

Bleaching can negatively impact the SR of resin-infiltrated WSLs and affect it significantly.
Analyzing the Impact of Demographic Factors on Periodontal Health Using BPE Scores
Authors: Sangha Kuldip Singh , Singh Pushpraj , Verma Shisham , Karda Kirti , Mundhra Soumya , Pattnaik Vaishnavi Das
Published: December 2024

ABSTRACT

Background:

Periodontal health is a critical component of overall oral health, influenced by factors such as age, gender, and specific dental regions.

Materials and Methods:

This study involved a cohort of participants with a gender distribution of 60% female and 40% male. The BPE scores were assessed for six sextants in the oral cavity. The mean BPE scores were calculated for each sextant, and correlations between age and BPE scores were analyzed. Inferential analysis using t-tests was conducted to evaluate gender differences in BPE scores across sextants.

Results:

The gender distribution showed a higher number of female participants (60%) compared to male participants (40%). The mean BPE scores indicated that sextants 1, 3, and 5 had relatively higher scores, with means of 1.5, 1.5, and 1.7, respectively, suggesting more periodontal issues compared to sextants 2, 4, and 6, which had mean scores of 0.8, 1.2, and 1.0, respectively. The correlation matrix highlighted a strong positive correlation between age and BPE scores for sextants 1 and 3 (0.835), indicating a higher incidence of periodontal issues with increasing age. Sextant 4 also showed a moderate correlation with age (0.694). T-tests revealed no statistically significant differences in BPE scores between genders for all sextants, with P values greater than 0.05.

Conclusions:

The study underscores the influence of age on periodontal health, particularly in sextants 1, 3, and 4, while gender does not significantly impact BPE scores. These findings emphasize the need for targeted dental care and monitoring, especially for older adults, to maintain periodontal health.
Role of mitophagy in spinal cord ischemia-reperfusion injury
Authors: Duan Yanni , Yang Fengguang , Zhang Yibao , Zhang Mingtao , Shi Yujun , Lang Yun , Sun Hongli , Wang Xin , Jin Hongyun , Kang Xuewen
Published: December 2024

Spinal cord ischemia-reperfusion injury, a severe form of spinal cord damage, can lead to sensory and motor dysfunction. This injury often occurs after traumatic events, spinal cord surgeries, or thoracoabdominal aortic surgeries. The unpredictable nature of this condition, combined with limited treatment options, poses a significant burden on patients, their families, and society. Spinal cord ischemia-reperfusion injury leads to reduced neuronal regenerative capacity and complex pathological processes. In contrast, mitophagy is crucial for degrading damaged mitochondria, thereby supporting neuronal metabolism and energy supply. However, while moderate mitophagy can be beneficial in the context of spinal cord ischemia-reperfusion injury, excessive mitophagy may be detrimental. Therefore, this review aims to investigate the potential mechanisms and regulators of mitophagy involved in the pathological processes of spinal cord ischemia-reperfusion injury. The goal is to provide a comprehensive understanding of recent advancements in mitophagy related to spinal cord ischemia-reperfusion injury and clarify its potential clinical applications.
Neuromodulation techniques for modulating cognitive function: enhancing stimulation precision and intervention effects
Authors: Cao Hanwen , Shang Li , Hu Deheng , Huang Jianbing , Wang Yu , Li Ming , Song Yilin , Yang Qianzi , Luo Yan , Wang Ying , Cai Xinxia , Liu Juntao
Published: December 2024

Neuromodulation techniques effectively intervene in cognitive function, holding considerable scientific and practical value in fields such as aerospace, medicine, life sciences, and brain research. These techniques utilize electrical stimulation to directly or indirectly target specific brain regions, modulating neural activity and influencing broader brain networks, thereby regulating cognitive function. Regulating cognitive function involves an understanding of aspects such as perception, learning and memory, attention, spatial cognition, and physical function. To enhance the application of cognitive regulation in the general population, this paper reviews recent publications from the Web of Science to assess the advancements and challenges of invasive and non-invasive stimulation methods in modulating cognitive functions. This review covers various neuromodulation techniques for cognitive intervention, including deep brain stimulation, vagus nerve stimulation, and invasive methods using microelectrode arrays. The non-invasive techniques discussed include transcranial magnetic stimulation, transcranial direct current stimulation, transcranial alternating current stimulation, transcutaneous electrical acupoint stimulation, and time interference stimulation for activating deep targets. Invasive stimulation methods, which are ideal for studying the pathogenesis of neurological diseases, tend to cause greater trauma and have been less researched in the context of cognitive function regulation. Non-invasive methods, particularly newer transcranial stimulation techniques, are gentler and more appropriate for regulating cognitive functions in the general population. These include transcutaneous acupoint electrical stimulation using acupoints and time interference methods for activating deep targets. This paper also discusses current technical challenges and potential future breakthroughs in neuromodulation technology. It is recommended that neuromodulation techniques be combined with neural detection methods to better assess their effects and improve the accuracy of non-invasive neuromodulation. Additionally, researching closed-loop feedback neuromodulation methods is identified as a promising direction for future development.
Simultaneously preperiodic points for a family of polynomials in positive characteristic
Authors: Ghioca Dragos
Published: December 2024

In the goundbreaking paper [BD11] (which opened a wide avenue of research regarding unlikely intersections in arithmetic dynamics), Baker and DeMarco prove that for the family of polynomials

$f_\lambda (x):=x^d+\lambda $

(parameterized by

$\lambda \in \mathbb {C}$

), given two starting points a and b in

$\mathbb {C}$

, if there exist infinitely many

$\lambda \in \mathbb {C}$

such that both a and b are preperiodic under the action of

$f_\lambda $

, then

$a^d=b^d$

. In this paper, we study the same question, this time working in a field of characteristic

$p>0$

. The answer in positive characteristic is more nuanced, as there are three distinct cases: (i) both starting points a and b live in

${\overline {\mathbb F}_p}$

; (ii) d is a power of p; and (iii) not both a and b live in

${\overline {\mathbb F}_p}$

, while d is not a power of p. Only in case (iii), one derives the same conclusion as in characteristic

$0$

(i.e., that

$a^d=b^d$

). In case (i), one has that for each

$\lambda \in {\overline {\mathbb F}_p}$

, both a and b are preperiodic under the action of

$f_\lambda $

, while in case (ii), one obtains that also whenever

$a-b\in {\overline {\mathbb F}_p}$

, then for each parameter

$\lambda $

, we have that a is preperiodic under the action of

$f_\lambda $

if and only if b is preperiodic under the action of

$f_\lambda $

.
Hilbert matrix operator acting between conformally invariant spaces
Authors: Bellavita Carlo , Stylogiannis Georgios
Published: December 2024

In this article, we study the action of the the Hilbert matrix operator

$H$

from the space of bounded analytic functions into conformally invariant Banach spaces. In particular, we describe the norm of

$H$

from

$H^\infty $

into

$\text {BMOA}$

and we characterize the positive Borel measures

$\mu $

such that

$H$

is bounded from

$H^\infty $

into the conformally invariant Dirichlet space

$M(D_\mu )$

. For particular measures

$\mu $

, we also provide the norm of

$H$

from

$H^\infty $

into

$M(D_\mu )$

.