bluuebunny/crossref_metadata_2025 huggingface dataset:
El aula multidéficit: Una apuesta por la inclusión como alternativa educativa para el proyecto de vida de los estudiantes sordos con discapacidad asociada del Colegio Isabel II. IED
Authors: Hernández Castillo Camila Andrea , Cárdenas Forero Marco Tulio
Published: August 2021

El presente artículo muestra una experiencia pedagógica, propuesta en el marco de la inclusión educativa y el enfoque diferencial, denominada “Aula multidéficit”, la cual involucra niñas y niños sordos con discapacidades asociadas. Se pretende poner de manifiesto que, más allá de una propuesta para promover procesos de aprendizaje en los estudiantes desde la práctica pedagógica (planteado desde la organización curricular), es una posibilidad para el desarrollo de habilidadespara la independencia y la autonomía,en favor de un proyecto de vida.
Oportunidad pedagógica y refrigerio escolar.Una construcción colectiva desde la sistematización de experiencias
Authors: Riveros Santa Francy Angélica , Gómez Castro Rosana , Gustavo Sánchez Pedro , Benavides Camilo Andrés
Published: August 2021

El presente artículo está realizado a partir de una sistematización de experiencias que,desde un enfoque investigativo, permitió que las y los participantes  desarrollaran nuevas formas de construir conocimiento.La experiencia buscó comprender: ¿Cómo el refrigerio escolar se convirtió en una oportunidad pedagógica para las y los actores sociales de una comunidad educativa? Las narraciones de dicha comunidad, junto a la nuestra como investigadores, permitieron una reflexión hermenéutica desde una filosofía de la comprensión, desde la cual se planteó una ruta metodológica de tres momentos: reconstrucción histórica, composición del discurso en texto e interpretación.
El diseño de “Mova, Centro de Innovación del Maestro”: Un ejercicio colectivo desde los saberes de los maestros, las maestras y otros agentes educativos
Authors: Quintana Marín Lina Marcela , Córdoba Garrido Lía del Carmen , Escobar Ortiz Jorge Manuel
Published: August 2021

El presente texto describe el papel de maestros, maestras y otros profesionalesen la construcción de “Mova, Centro de Innovación del Maestro”. Interesa destacar en particular la forma en que el saber de maestros y maestras recorrió el diseño arquitectónico y contribuyó a la configuración de líneas de formación que se expresaron en expectativas, necesidades, tensiones y soluciones para continuar con su formación.Maestros y maestras ofrecieron su experiencia,prácticas pedagógicas y sentido crítico y colectivo para generar diálogos reflexivos, tanto con colegas, como con otros profesionales y agentes educativos, sobre los distintos aspectos de Mova, incluida la construcción de los lineamientos de política de formación en servicio de la ciudad.El proceso de construcción de Mova unió conceptos, imágenes y experiencias quefueron agrupando nuevos conocimientos, y reconociendo otros guardados en la memoria, acerca de la formación continua de los maestros de Medellín.
Comunidades descentralizadas de formación en el uso de TICS: La creación de la página Web institucional del Colegio Fabio Lozano Simonelli
Authors: Cárdenas Carrillo Sandra Jeanethe , Sierra Rátiva Alexandra , Rocha Celis Boris Alejandro , Gutiérrez Pabón Wilson Alfonso
Published: August 2021

La presente experiencia es resultado de la creación de la página Web institucional del Colegio Fabio Lozano Simonelli IED, llevada a cabo por directivos, administrativos, docentes y estudiantes. El texto desarrolla una reseña temporal de la realización de la práctica, la descripción del contexto institucional, la formulación de la situación problema, los propósitos y los desarrollos. El proceso descrito se adelantó mediante la constitución epistemológica y contextual de una comunidad descentralizada de formación que garantizó los procesos de formación y de acompañamiento en el desarrollo de contenidos.
Territorio, mujeres, estesis, crianza y extractivismo cultural
Authors: López Estrada Luz Enith , Álvarez Torres Jair Hernando
Published: August 2021

Las manifestaciones estéticas (estesis) permiten procesos identitarios en los sujetos y les proporcionan un lugar en el mundo, a pesar de estar ubicados en diferentes territorios. En ese escenario discursivo y posibles transformaciones en las que se encuentran los sujetos, aparecen las canciones de cuna como manifestaciones de una práctica que permite su ubicación cultural e histórica, como resistencia a lo que puede encontrar el sujeto en un contexto diferente al del lugar donde escuchó o aprendió esas canciones, y se vuelven memoria de su historia, lucha contra el olvido y sentido de pertenencia a una colectividad.
Minería y cambio climático en la cuenca del Tunjuelo: una experiencia de formación política en la escuela
Authors: Hernández Gómez Carmen Alicia , Vargas Aldana Claudia María
Published: August 2021

El reto de abordar temas de discusión distrital, como el cambio climático y el ordenamiento territorial, dio origen a este artículo de investigación pedagógica que se realizó en el IED Guillermo Cano Isaza de la localidad de Ciudad Bolívar, que convocó a la enseñanza entre pares de maestros y la creación de semilleros de investigación, con estudiantes, en torno a la actividad minera en el territorio, como excusa para la formación política, la construcción de conocimiento y la puesta en práctica de nuevas formas de transdisciplinaridad y dinámicas alternativas en la escuela.
Hacia una convivencia pacífica en la escuela: percepciones sobre violencia escolar y tramitación de conflictos
Authors: Díaz Better Sindy Paola
Published: August 2021

Las reflexiones de este artículo provienen de un análisis de percepciones realizado por un grupo de docentes y estudiantes sobre las manifestaciones de violencia escolar y tramitación de conflictos en su institución educativa, problemática que sustenta la tesis presentada por la autora en el Doctorado Interinstitucional en Educación de la Universidad Pedagógica Nacional, Colombia; cuyo punto de partida fue la premisa de que para construir una convivencia pacífica en las escuelas se requiere fomentar relaciones de alteridad y respeto, legitimando las diversas miradas de sus actores sobre las situaciones que los afectan.
La escuela como escenario facilitador de paz: panorama de trabajos sobre una formación ética en escolares, para la construcción de mejores relaciones de convivencia dentro y fuera del aula
Authors: Rivas Buitrago Ingrid
Published: August 2021

El actual documento es parte del trabajo adelantado para la investigación “Educación ética para la convivencia escolar pacífica. Estudio de caso en los Megacolegios de la UPZ 87 de la Localidad siete de Bosa, Bogotá”, en el marco del Doctorado en Educación y Sociedad de la Universidad de La Salle. Se elabora una revisión de documentos que han abordado la problemática de la violencia escolar en las instituciones educativas de Colombia, particularmente la violencia escolar en la ciudad de Bogotá, destacando los avances de los últimos años en la materia.
Giro Lingüístico hacia la paz
Authors: Rojas Torres Olga Yolanda
Published: August 2021

En este artículo se insiste en la pertinencia de hacer el giro lingüístico en la enseñanza de la lengua española. La razón para optar por esta perspectiva es que, ubicados en el estudio del habla coloquial en oposición a la lengua ideal, podemos construir tejidos sociales más comprensivos. Con este propósito se explica el concepto de Giro Lingüístico, se reflexiona sobre la paz en tanto comunicación, y se aportan cinco ejemplos de proyectos de aula diseñados por estudiantes de español del Departamento de lingüística de la Universidad Nacional de Colombia.
Logarithmic potential and generalized analytic functions
Authors: Gutlyanskii Vladimir , Nesmelova Olga , Ryazanov Vladimir , Yefimushkin Artyem
Published: August 2021

The study of the Dirichlet problem in the unit disk $\mathbb D$ with
arbitrary measurable data for harmonic functions is due to the
famous dissertation of Luzin [31]. Later on, the known
monograph of Vekua \cite{Ve} has been devoted to boundary-value
problems (only with H\"older continuous data) for the generalized
analytic functions, i.e., continuous complex valued functions $h(z)$
of the complex variable $z=x+iy$ with generalized first partial
derivatives by Sobolev satisfying equations of the form
$\partial_{\bar z}h\, +\, ah\, +\ b{\overline h}\, =\, c\, ,$ where
it was assumed that the complex valued functions $a,b$ and $c$
belong to the class $L^{p}$ with some $p>2$ in smooth enough domains
$D$ in $\mathbb C$.

The present paper is a natural continuation of our previous articles
on the Riemann, Hilbert, Dirichlet, Poincar\'{e} and, in particular,
Neumann boundary-value problems for quasiconformal, analytic,
harmonic, and the so-called $A-$harmonic functions with boundary data
that are measurable with respect to logarithmic capacity. Here, we
extend the corresponding results to the generalized analytic
functions $h:D\to\mathbb C$ with the sources $g$ : $\partial_{\bar
z}h\ =\ g\in L^p$, $p>2\,$, and to generalized harmonic functions
$U$ with sources $G$ : $\triangle\, U=G\in L^p$, $p>2\,$.

This paper contains various theorems on the existence of
nonclassical solutions of the Riemann and Hilbert boundary-value
problems with arbitrary measurable (with respect to logarithmic
capacity) data for generalized analytic functions with
sources. Our approach is based on the geometric
(theoretic-functional) interpretation of boundary-values in
comparison with the classical operator approach in PDE. On this
basis, it is established the corresponding existence theorems for
the Poincar\'{e} problem on directional derivatives and, in particular,
for the Neumann problem to the Poisson equations $\triangle\, U=G$
with arbitrary boundary data that are measurable with respect to
logarithmic capacity. These results can be also applied to
semi-linear equations of mathematical physics in anisotropic and
inhomogeneous media.
Quasisymmetric mappings in b-metric spaces
Authors: Petrov Evgeniy , Salimov Ruslan
Published: August 2021

Considering quasisymmetric mappings between b-metric spaces we have found a new estimation for the ratio of diameters of two subsets which are images of two bounded subsets. This result generalizes the well-known Tukia-Vaisala inequality. The condition under which the image of a b-metric space under a quasisymmetric mapping is also a b-metric space is established. Moreover, the latter question is investigated for additive metric spaces.
Selectors and orderings of coarse spaces
Authors: Protasov Igor
Published: August 2021

Given a coarse space $(X, \mathcal{E})$, we consider linear orders on $X$ compatible with the coarse structure $\mathcal E$ and explore interplays between these orders and macro-uniform selectors of $(X, \mathcal{E})$.
Patient with anaemia and Rendu-osler-weber syndrome
Authors: Roa Colomo A , Caballero Mateos AM , García Márquez J
Published: August 2021

Varón de 66 años con Telangiectasia Hemorrágica Hereditaria tipo I que consulta por astenia intensa detectándose en analítica Hb 4 mg/dl; VCM 100,5%. El paciente no refiere síntomas de sangrado. En gastroscopia se visualizan múltiples malformaciones vasculares de tamaño variable y sin sangrado activo en esófago, estómago, siendo más numerosas en duodeno. En colonoscopia se distinguen varias angiodisplasias sin estigmas de sangrado reciente en ciego. El paciente recibe tratamiento de forma periódica con hierro intravenoso y transfusiones de concentrados de hematíes. La Telangiectasia Hemorrágica Hereditaria o síndrome de Rendu-Osler-Weber es una enfermedad hereditaria rara, de transmisión autosómica dominante, caracterizada por la aparición de malformaciones arterio-venosas o telangiectasias en cualquier localización del organismo. El síntoma más frecuente es la epistaxis asociada a anemia, seguida del sangrado gastrointestinal en el 13-30% de los pacientes. El tratamiento es de soporte, siendo importante tratar la anemia con hierro y transfusiones sanguíneas. Durante la endoscopia, cabe destacar la importancia de identificar el punto de sangrado activo y realizar sobre el mismo tratamiento de coagulación con plasma argón.
Ulcerated proctitis as the clinical presentation of lynphogranuloma venereum
Authors: Berdugo Hurtado F , Ruiz Rodríguez AJ , Roa Colomo A
Published: August 2021

Presentamos el caso de un varón de 57 años con clínica de proctalgia de un mes de evolución junto con despeños diarreicos, fiebre vespertina y tenesmo rectal. Ante sospecha clínica de posible colitis ulcerosa y que no podíamos descartar otras entidades diagnósticas; realizamos una colonoscopia con toma de muestras para microbiología y anatomía patológica, con hallazgo de proctitis crónica activa en relación con posible linfogranulóma venéreo. Sospecha que se confirmó con el estudio microbiológico de las muestras y el estudio serológico en sangre. Una vez iniciada la pauta antibiótica con doxaciclina, el paciente presentó una marcada mejoría clínica que se comprobó posteriormente en la colonoscopia de control con hallazgos de mucosa prácticamente sana.
A Descriptive Study to Assess the Perceptions of Undergraduate Medical Students Towards Acceptance of E-Learning Vs Conventional Methods in An Integrated Curriculum in Physiology
Authors: Syed Sadat Ali  , Hifzur Rehman  , Praveen Kumar BA
Published: August 2021

Background: Institutions across the world have shifted to virtual education to keep the academic activitiesgoing due to the COVID-19 pandemic jeopardizing the academiccalendars. E-learning was being used asa part of distance learning courses but the preparedness, designing and effectiveness in using it towardsconducting regular courses have been the main concern in countries where students are not used to virtualclasses due to technical constraints like faculty training, suitability of devices and bandwidth availabilityposing a serious challenge. Methods: A cross-sectional, web-based study was done among 50 second yearmedical undergraduate students in 2020. A standardized, electronic, self-administered, Google Form datacollection sheet was distributed. It included the seven components to evaluate; Course Schedule, objectives,time management, teaching methods, assessment methods, academic achievement and student concerns.Descriptive, inferential statistics were applied. Results: e-learning has been accepted very well by thestudents (48%) and they found it to add as a better learning resource (44%). About 25% of students find bothe-leaning and conventional methods as convenient in learning.The major advantage in conventional methodswere due to peer interaction, student-faculty interaction and active participation of faculty with feedback.Conclusion: Most of the students appraised that e-learning can be used as complementary to conventionalmethods. The conventional methods had an upper hand in long term; teaching concepts, peer interaction andfaculty feedback with better planning and implementation of curricular activities holding the key for successin fulfilling the expected outcomes by either of the methods.
Nomimicins B–D, new tetronate-class polyketides from a marine-derived actinomycete of the genus Actinomadura
Authors: Zhang Zhiwei , Zhou Tao , Yang Taehui , Fukaya Keisuke , Harunari Enjuro , Saito Shun , Yamada Katsuhisa , Imada Chiaki , Urabe Daisuke , Igarashi Yasuhiro
Published: August 2021

Three new tetronate-class polyketides, nomimicins B, C, and D, along with nomimicin, hereafter named nomimicin A, were isolated from the culture extract of Actinomadura sp. AKA43 collected from floating particles in the deep-sea water of Sagami Bay, Japan. The structures of nomimicins B, C, and D were elucidated through the interpretation of NMR and MS analytical data, and the absolute configuration was determined by combination of NOESY/ROESY and ECD analyses. Nomimicins B, C, and D showed antimicrobial activity against Gram-positive bacteria, Kocuria rhizophila and Bacillus subtilis, with MIC values in the range of 6.5 to 12.5 μg/mL. Nomimicins B and C also displayed cytotoxicity against P388 murine leukemia cells with IC50 values of 33 and 89 μM, respectively.
Analisa Makanan Tradisional Jeruk Maman dari Daun Maman (Cleome gynandra L)
Authors: Sahira  , Siregar Sri Hilma , Syafri Rahmadini , Hasmalina
Published: August 2021

Jeruk maman merupakan asinan sayur yang menghasilkan asam laktat, sehingga mempunyai cita rasa yang khas. Tujuan dari penelitian ini adalah untuk mengetahui kualitas makanan Jeruk maman dari tiga variasi jeruk maman. Penelitian ini menggunakan metode eksperimen, yaitu melakukan penambahan cabai dan garam dalam jumlah yang berbeda pada jeruk maman. Jeruk maman yang dibuat sebanyak tiga variasi yaitu: DKA 01 = daun maman 500 g, ditambah nasi 2% DKA 02= daun maman 500 gr penambahan, nasi 2% garam 2,25% dan cabai 1%, DKA 03= daun maman 500 gr penambahan nasi 2% garam 2,5% dan cabai 1%. Diamkan selama 3 hari, selanjutnya di analisa pH, kadar air,total asam laktat, bakteri asam laktat dan protein untuk semua perlakuan. Penelitian ini menggunakan bentuk Rancangan Acak Lengkap (RAL) non-faktorial dengan 1 faktor yang diuji terdiri dari 3 taraf perlakuan dan 2 kali ulangangan. Hasil penelitan Kualitas yang terbaik dari ketiga variasi jeruk maman yaitu pada analisa kadar protein kualitas yang terbaik adalah sampel DKA 01 dengan jumlah protein tertinggi yaitu 2,47% dan nilai total asam tertitrasi tertinggi juga pada sampel DKA 01 yaitu 0,37%. Sementara pada analisa pH terbaik adalah sampel DKA 02 yaitu 3,9 %dan DKA 03 yaitu 3,8 %. Hasil analisa BAL terbaik adalah sampel DKA 02 1,7 x 108 dan DKA 03 yaitu 1,5 x 108.
İşçi Sağlığı ve İş Güvenliğinde Bulanık Yöntemlere Dayalı Risk Değerlendirme Yaklaşımları
Authors: BOZKUŞ Emine , BOZKUŞ Özcan
Published: August 2021

ÜÜretim ve hizmet veren tüm endüstriyel organizasyonlarda meydana gelmesi olası kazaların ve bu kazaların insana, çevreye ve işletmeye olan zararlarının en aza indirilmesi amacıyla, sürekli ve etkili tedbirlerin alınması iş sağlığı ve güvenliği açısından en büyük ihtiyaçtır. Bu sebeple karşılaşılabilecek tüm tehlikeleri en aza indirgemek için farklı risk değerlendirme metodolojileri kullanılmaktadır. Risk değerlendirmesi, iş sağlığı ve güvenliği (İSG) yönetiminin önemli bir parçasıdır. Uygun bir risk değerlendirmesi yapıldığında tehlikeler ve riskler ortaya konur, risk altında olabilecek kişiler belirlenir ve hastalığı/yaralanmayı önlemek için kontrol önlemlerinin nerede gerekli olduğu belirlenebilir. Bu çalışmanın amacı, bulanık mantık yaklaşımı kullanılarak iş sağlığı ve güvenliği kapsamında yapılan risk değerlendirme uygulamalarını incelemektir. Bu amaçla önceden belirlenmiş dâhil etme kriterleri ile ilgili makaleler için Scopus veri tabanında sistematik bir literatür araştırması yapılmıştır. Çalışmada konferans bildirilerini, tezleri ve kitap bölümleri incelenmemiş olup, sadece araştırma makaleleri incelenmiştir. Ayrıca makalelerin dilleri olarak İngilizce ve Türkçe dışında bir dilde yazılmış herhangi bir makale eklenmemiştir. İncelenen çalışmaların genel olarak üç faktörle çalışıldığı ve bir olayla ilişkili riskleri olayın meydana gelme olasılığı, olayın sıklığı ile önem derecesi açısından incelendiği görülmüştür. Risk değerlenmesinin uygulandığı sektörlerin başında inşaat ve kimya sanayi gelmektedir. Ayrıca bulanık tabanlı risk değerlendirme sürecinin bir parçası olan duyarlılık analizi gözden geçirilen makalelerin birçoğunda yapılmamıştır. Sonuç olarak, uygun bir nicel olasılık modeline sahip olmayan riskler için, bulanık mantık sistemi, neden-sonuç ilişkilerini modellemeye, riske maruz kalma derecesini değerlendirmeye ve hem mevcut verileri hem de uzmanlara göre temel riskleri tutarlı bir şekilde sıralamaya yardımcı olmaktadır.
FACTORS DETERMINING THE EXTENT OF GDPR IMPLEMENTATION WITHIN ORGANIZATIONS: EMPIRICAL EVIDENCE FROM CZECH REPUBLIC
Authors: Faifr Adam , Januška Martin
Published: August 2021

In this paper, the key factors that affect the extent of GDPR implementation in enterprises are analysed. Since 2018, all organizations operating in the European Union or processing personal data of EU citizens have had to incorporate a new regulation in their work. After three years of experience, possible key factors that significantly affect the cost of the entire project have been theoretically identified. However, a research gap remains whether the factors thus defined actually have a real impact on the implementation within organizations. Therefore, this study focuses on an empirical investigation of those characteristics using quantitative approach combining Chi-squared tests and the Classification and Regression Tree method. Based on a survey of organizations in the Czech Republic, this paper outlines that the size of the organization, the typology of personal data processed and the way GDPR is implemented determine the scope of the implementation project within organizations. On the other hand, there is no clear evidence that there is significant role in whether it is a public or private organization.
DETECTING LAND USE/COVER DYNAMICS AND LAND SUITABILITY MAPPING FOR IRBID GOVERNORATE USING AN INTEGRATED APPROACH
Authors: Mohammad Alsharifa Hind , Odeh Taleb , Halalsheh Maha , Shatanawi Khaldoun
Published: August 2021

This research proposes to design an approach recognizing land use/cover change for Irbid governorate from 1985 to 2015 in 10 years period bases, with an agriculture suitability map using remote sensing and GIS. In this paper, ENVI6 was used to analyse Landsat images, which helps to understand the land uses’ classes. LULC Changes results showed an increase in urban land, from 2% in 1985 reached to 11% in 2015; soil and agricultural classes had declined, in 1985 they were 74% of the total area, and reduced to 67% in 2015. Irbid Governorate’s change detection results revealed that the decline of agriculture and rock land areas is due to the accelerated expansion of urbanization, which negatively affects agricultural lands. Modelling the area showed high suitability for agricultural activities, which should be considered for the upcoming plans.
Mapping Stellar Surfaces. II. An Interpretable Gaussian Process Model for Light Curves
Authors: Luger Rodrigo , Foreman-Mackey Daniel , Hedges Christina
Published: August 2021

The use of Gaussian processes (GPs) as models for astronomical time series data sets has recently become almost ubiquitous, given their ease of use and flexibility. In particular, GPs excel at marginalization over the stellar signal when the variability due to starspots is treated as a nuisance, as in exoplanet transit modeling. However, these effective models are less useful in cases where the starspot signal is of primary interest, since it is not obvious how the parameters of the GP relate to physical parameters like the spot size, contrast, and latitudinal distribution. Instead, it is common practice to explicitly model the effect of individual starspots on the light curve and attempt to infer their properties via optimization or posterior inference. Unfortunately, this process is ill-posed and often computationally intractable when applied to stars with more than a few spots and/or to ensembles of many stars. Here we derive a closed-form expression for a GP that describes the light curve of a rotating, evolving stellar surface conditioned on a given distribution of starspot sizes, contrasts, and latitudes. We demonstrate that this model is correctly calibrated, allowing one to robustly infer physical parameters of interest from one or more light curves, including the typical spot radii and latitudes. Our GP has far-ranging implications for understanding the variability and magnetic activity of stars from light curves and radial velocity measurements, as well as for modeling correlated noise in exoplanet searches. Our implementation is efficient, user-friendly, and open-source, available in the package starry_process.
Reimagining the Water Snowline
Authors: Bosman Arthur D. , Bergin Edwin A.
Published: August 2021

Water is a molecule that is tightly related to many facets of star and planet formation. Water’s abundance and distribution, especially the location of its snowline has thus been the subject of much study. While water is seen to be abundant in the inner region of protoplanetary disks in infrared spectroscopy, detections of water in the disk in the submillimeter are rare, with only one detection toward AS 205. Here we put the multitude of nondetections and the single detection into context of recent physicochemical models. We find that the 321.2257 GHz (102,9–93,6) line detection toward AS 205 is inconsistent with a normal inner disk temperature structure and that the observed line must be masing. Furthermore, the emitting area derived from the line width, together with published analyses on water in disks around T-Tauri stars implies that the water snowline in the disk surface is at the same location as the snowline in the midplane. We propose that this is caused by vertical mixing continuously sequestering water from the warm surface layers into the cold disk midplane.
The Discovery of Two LISA Sources within 0.5 kpc
Authors: Kilic Mukremin , Brown Warren R. , Bédard A. , Kosakowski Alekzander
Published: August 2021

We report the discovery of the brightest detached binary white dwarfs with periods less than an hour, which provide two new gravitational-wave verification binaries for the Laser Interferometer Space Antenna (LISA). The first one, SMSS J033816.16−813929.9 (hereafter J0338), is a 30.6 minute orbital period, g = 17.2 mag detached double white dwarf binary with a Gaia parallax measurement that places it at a distance of 533 pc. The observed radial velocity and photometric variability provide precise constraints on the system parameters. J0338 contains a 0.230 ± 0.015 M
⊙ white dwarf with a

0.38

−
0.03

+
0.05

M

⊙

companion at an inclination of 69° ± 9°. The second system, SDSS J063449.92+380352.2 (hereafter J0634), is a 26.5 minute orbital period, g = 17.0 mag detached double white dwarf binary at a distance of 435 pc. J0634 contains a

0.452

−
0.062

+
0.070

M

⊙

white dwarf with a

0.209

−
0.021

+
0.034

M

⊙

companion at an inclination of 37° ± 7°. The more massive white dwarf in J0634 is hotter than its companion, even though tidal dissipation is predicted to be relatively inefficient at such periods. This suggests that the more massive white dwarf formed last. J0338 and J0634 will be detected by LISA with a signal-to-noise ratio of 5 and 19, respectively, after four years. We identified these two systems based on their overluminosity and u-band photometry. Follow-up of u-band selected Gaia targets will likely yield additional LISA verification binaries.
Television advertising and development of dental caries in children aged 6 to 12 years
Authors: Doitchinova Liliya , Kirov Dimitar , Bakardjiev Petar , Nikolova Maria , Hristov Dimitar
Published: August 2021

Introduction: Advertising today is increasingly seen to be targeting children as they can be easily persuaded. The influence on them is reinforced by children’s difficulty in perceiving messages critically, in distinguishing the real from the imaginary, in their great confidence in messages from the media and popular characters and personalities, and in their inability to recognize risk and their propensity for imitation.

Aim: The aim of the study was to investigate the impact of television advertising on children’s nutritional preferences and the intensity of dental caries in children aged 6 to 12 years.Materials and methods: The study included 277 children (158 boys and 119 girls) aged 6 to 12 years from different schools in Sofia. A survey was used to assess the nutritional preferences of these children who are under the influence of watching television commercials. The DMF (T+t) index introduced by Klein, Palmer & Knutson (1938) was used to assess the intensity of dental caries. A correlation analysis was performed between the time spent watching TV and the development of dental caries.

Results: Many children buy on their own or ask their parents to buy advertised sweet candies, fizzy drinks and fruit juices, which are a risk factor for the development of dental caries. The results show that the longer they spend in front of the TV, the stronger the pronounced caries activity in children, supported by a statistically significant difference (p<0.001), Rho (277)=0.438.

Conclusions: The studied children aged 6 to 12 years have unhealthy dietary preferences for low molecular weight carbohydrate foods, increasing their oral risk profile. Prolonged standing in front of the TV screen correlated with an increase in the intensity of dental caries in half of the children.
Are patients willing to be informed on the risks and complications associated with the proposed therapy? A survey on informed consent
Authors: Dafni Aigli , Oikonomou Panagoula , Anagnostopoulos Konstantinos , Tsalikidis Christos , Dzhafer Nigyar , Tsaroucha Alexandra K. , Pitiakoudis Michail
Published: August 2021

Introduction: Informed consent is essential to the patient-physician relationship. The paternalistic old-time approach used by physicians to achieve the optimal management is changing today; detailed medical information must be disclosed to the patients regarding their health problem.

Aim: The aim of this study was to highlight the value of informed consent in the context of medical practice as well as to emphasize its importance through the prism of human rights.

Materials and methods: A patient survey was conducted in two public and one private hospitals in Greece. Eighty-three inpatients from the Surgical Departments of Democritus University Hospital of Alexandroupolis (DUHA), Laikon University Hospital of Athens (LUHA) and a private hospital were included in the study. A questionnaire regarding patients’ attitude towards informed consent was distributed to patients prior to surgery.

Results: The majority of the patients (63.86% in DUHA, 59.38% in LUHA, and 78.95% in the private hospital) opted for full disclosure regarding the course and development of their condition.

Conclusion: Patients want to be informed about their treatment options and possible complications so that they can make decisions about their treatment after a comprehensive and understandable discussion.
Graves' disease: pathophysiological aspects and considerations about using the chemometric analysis in the study of the disease
Authors: Koseva Pavlina M. , Kamenov Zdravko A. , Nikolova Mariana M. , Andreeva-Gateva Pavlina A.
Published: August 2021

Graves’ disease is an immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). Thyroid disorders are a societal problem of great public concern because of their high prevalence. This problem can affect the well-being and quality of life of patients. The predisposing factors leading to this disease are not yet fully established and are likely to be interconnected in a complex way. 

Chemometric analysis allows for the detection of specific relationships between the medical parameter measurements obtained from the patients in an observation group, and the identification of patterns of similarity between these patients. It is not commonly used in clinical trials; however, it can provide reliable information which may help in creating more successful, individualised treatment strategies for established groups (patterns) of patients.

The aim of this review is to summarize the latest knowledge about the risk factors for Graves’ disease and considerations about using the chemometric analysis in the study of the disease.
Revision of the genus Furusawaia Chûjô, 1962 (Coleoptera, Chrysomelidae, Galerucinae)
Authors: Lee Chi-Feng , Bezděk Jan
Published: August 2021

Yunnaniata Lopatin, 2009 is regarded as a junior synonym of Furusawaia Chûjô, 1962 syn. nov. Yunnaniata konstantinovi Lopatin, 2009 comb. nov. is transferred to the genus Furusawaia Chûjô and redescribed. Furusawaia continentalis Lopatin, 2008 and F. yosonis Chûjô are recognized as valid species and redescribed. Four new species are described from Taiwan: F. jungchanisp. nov., F. luisp. nov., F. tahsiangisp. nov., and F. tsouisp. nov. A key to Taiwanese and Chinese species of Furusawaia is provided.
Explicit solutions of the kinetic and potential matching conditions of the energy shaping method
Authors: Grillo Sergio , Salomone Leandro , Zuccalli Marcela
Published: August 2021

In the context of underactuated Hamiltonian systems defined by simple Hamiltonian functions, the matching conditions of the energy shaping method split into two decoupled subsets of equations: the kinetic and potential equations. The unknown of the kinetic equation is a metric on the configuration space of the system, while the unknown of the potential equation are the same metric and a positive-definite function around some critical point of the Hamiltonian function. In this paper, assuming that a solution of the kinetic equation is given, we find conditions (in the \begin{document}$ C^{\infty} $\end{document} category) for the existence of positive-definite solutions of the potential equation and, moreover, we present a procedure to construct, up to quadratures, some of these solutions. In order to illustrate such a procedure, we consider the subclass of systems with one degree of underactuation, where we find in addition a concrete formula for the general solution of the kinetic equation. As a byproduct, new global and local expressions of the matching conditions are presented in the paper.
Maritimité et paysage culturel maritime : les apports du modèle « Any-artefact »
Authors: Laubé Sylvain
Published: August 2021

À partir de l’analyse des différentes définitions données dans le domaine de la géographie et du patrimoine (avec le terme « maritimité ») ou celui de l’archéologie maritime (avec le terme « maritimity »), une proposition plus précise est apportée, articulée avec les concepts de « paysage culturel maritime » et de « lieu de savoir ». Le couplage avec le méta-modèle « Any-artefact », développé à Brest depuis 2012 (dans le cadre de travaux de recherche interdisciplinaires en histoire des techniques et humanités numériques), nous a paru pertinent pour rendre opérante cette définition dans le domaine de l’histoire et du patrimoine des paysages culturels maritimes, dans le sens où « Any-artefact » est dédié à l’étude comparée des paysages culturels portuaires en considérant que leurs formations et leurs évolutions sont le résultat des activités humaines.
Quel matériel pour les radiodiffusions de l’Afrique subsaharienne française ?
Authors: Leyris Thomas
Published: August 2021

Alors que la France développe un véritable réseau de radiodiffusion dans ses colonies d’Afrique subsaharienne au cours des années 1950, se pose la question de son équipement. Cet article défend l’idée que Pierre Schaeffer et les autres fondateurs de la Société de radiodiffusion de la France d’Outre-Mer (SORAFOM) ont délibérément détourné les normes techniques de la Radio-télévision française pour créer un équipement adapté et une acoustique différente dans les radios africaines. Cet article croise trois champs de recherche : l’histoire de l’innovation, les Sound studies et enfin l’histoire des médias en Afrique. Il révèle les raisons qui ont poussé à concevoir un matériel spécifique. Il propose d’éclairer les pratiques et les représentations qui ont guidé la réalisation de ces normes et de cet équipement mais aussi le résultat de ces efforts. Cet article est basé sur l’exploitation d’archives inédites du ministère de la Coopération et de témoignages rares d’anciens agents de la SORAFOM.
Les temporalités d’un grand projet technologique : Énergie atomique du Canada limitée et la trajectoire du réacteur MAPLE-X
Authors: Khelfaoui Mahdi
Published: August 2021

À travers l’histoire du réacteur MAPLE-X, un projet nucléaire mené par l’entreprise publique Énergie atomique du Canada limitée, cet article s’intéresse aux temporalités qui rythment les trajectoires des grands projets technologiques (GPT). Longs, complexes, aux enjeux multiples et aux résultats incertains, les GPT sont soumis à différentes contraintes émanant de l’environnement interne et externe des organisations chargées de leur réalisation. Par conséquent, leur déroulement ne se réduit pas à l’écoulement d’un temps linéaire et homogène, mais est plutôt marqué par l’enchevêtrement de différentes temporalités, dont quatre sont identifiées dans le cas du projet MAPLE-X : technique, gestionnaire, réglementaire et politique. C’est dans l’articulation de ces temporalités et les tensions qu’elles exercent les unes sur les autres que se dessinent les trajectoires sinueuses des GPT.
Monasteries and the maritime history of the Russian North from the 16th century to the early 18th century
Authors: Bogomazova Anastasia , Dadykina Margarita
Published: August 2021

The article examines the process of maritimization of the Russian state through the formation and functioning of fleets of the rich monasteries in the Early Modern Russian North: Solovetsky, Anthonievo-Siysky, Krestny Onezhsky and others. The authors analyze qualitative and quantitative characteristics of the fleets of the northern monasteries (the types of vessels used in the economy of the monasteries, the number of ships belonging to the monasteries, and the dynamics of change). They stress the importance of sea vessels in the life of northern monasteries, the intensity of their use, the mobility, the role of specific types of vessels in the economy of monasteries and their services.
Aux origines du terminal
Authors: Marnot Bruno
Published: August 2021

Les années de l’entre-deux-guerres ont constitué une nouvelle étape dans la rationalisation du travail portuaire. Les nouveaux gains de productivité n’étaient plus recherchés, comme auparavant, dans la seule adaptation des grues aux navires, mais aussi désormais aux marchandises. Les diverses matières pondéreuses (charbon, céréales, pétrole, etc.) transportées en vrac furent le terrain d’expérimentation de nouveaux engins de transbordement et d’entrepôts spécialisés. Le terme de ce processus fut la spécialisation des espaces de travail qui allait donner naissance au principe du terminal. Les mutations techniques des grands ports de commerce français constituent une étude de cas exemplaire de cette évolution.
Dramaturgies de l’inconstance
Authors: Bahier-Porte Christelle , Ailloud-Nicolas Catherine
Published: August 2021

Loin de reproduire de pièce en pièce, comme cela lui a souvent été reproché, une éternelle surprise de l’amour, Marivaux a bâti une œuvre théâtrale protéiforme aux multiples contours. Tout regroupement inédit à l’intérieur du corpus théâtral fait apparaître de nouvelles lignes de force, de nouveaux liens avec les textes narratifs, qui mettent à mal le cliché de l’uniformité et de la répétition. Lorsque dialoguent La Double Inconstance, La Fausse suivante et La Dispute, la dramaturgie de l’inconstance se substitue à la « machine matrimoniale », donnant l’image d’un théâtre dans lequel relations humaines et sociales se tendent et se durcissent. Cette dramaturgie se nourrit de manipulation et de mensonge qui menacent la comédie et le comique, questionnent l’identité jusqu’au trouble, transforment les amours idéales en guerre des sexes ou en conquêtes financières.
Écriture du raffinement
Authors: Griveau-Genest Viviane
Published: August 2021

Ce volume est consacré à l’oeuvre singulière de Marie de France, premier grand nom féminin de la littérature française de langue d’oïl. Une place importante est d’abord réservée au mystère qui entoure la personne de l’auteure, avec un point sur les récentes avancées en matière biographique à la lumière des théories modernes de l’auctorialité. Une attention particulière est accordée au rôle de la matière bretonne et du merveilleux dans les lais : sont mis en perspective les approches canoniques de la médiévistique littéraire et les apports récents de la mythologie comparée ou des postcolonial studies anglo saxonnes. Auteure féminine, Marie de France imposait enfin qu’une place soit faite à la question du genre, depuis la persona auctoriale jusqu’à la représentation littéraire en passant par l’écriture. Offrant un panorama de la critique, l’ouvrage entend fournir au lecteur contemporain les clés pour pouvoir apprécier la fraîcheur délicate d’une esthétique encore intacte par-delà les siècles.
Detection of Reserve Oxygen Potential in the Present of Fine Bubbles and its Ammonia Removal for Aquaculture Effluent
Authors: Subhan Ujang , Iskandar Iskandar , Zahidah Zahidah , Joni I Made
Published: August 2021

The availability of oxygen and the minimum amount of ammonia in the water media are crucial in catfish larvae hatchery performance. The condition with a balanced amount of required oxygen and the presence of ammonia resulting from the feces of striped catfish larvae is essential to maintain the health of the aquaculture media. This study aims to remove ammonia by introducing fine bubbles (FBs) into recirculating aquaculture media and investigating reserved dissolved oxygen inside the bubbles in the media. The water media for the striped catfish larvae hatchery was designed and set up with three containers in a recirculating system. Also, a separate container was utilized as bubble storage connected to FBs generator. The water treatment was conducted in three different scenarios using air and pure oxygen as the FBs generator sources. The generated FBs were investigated in terms of their size and zeta potential concerning the dissolved oxygen (DO). The media’s DO was measured using the titration method and digital DO meter. The difference in DO concentration received from titration and DO meter define as potential reserved oxygen. Furthermore, the removal of synthetic effluent (ammonia, NH4Cl) and effluent in the media with FBs resources were investigated and tested at a different duration of FBs applications. The results showed that bubbles size was 518.5 – 607.6 nm independent of gas resource, either pure oxygen or air. However, the gas resources affected the zeta potential value of suspended bubbles, air (-11.5 to -16.7 mV), and pure oxygen (-21.4 to -25.2 mV). When pure oxygen was used as a gas resource, the media reach the oxygen supersaturation DO condition (25.39 ppm) within 45 minutes with reserve oxygen potential (ROP) of 2.95 ppm. Thus, this condition allowed the synthetic effluent removal of 83.33% and effluent removal of 39.93%. It is emphasized that the ammonia removal due to the presence of reactive oxygen species when the FBs collapsed and the information of ROP due to FBs application is important to preserve the fitness of aquaculture media for catfish larvae hatchery.
Synthesis of High-Performance Hard Carbon from Waste Coffee Ground as Sodium Ion Battery Anode Material: A Review
Authors: Khusyaeri Hafid , Pratiwi Dewi , Kurniawan Haris Ade , Nurohmah Anisa Raditya , Yudha Cornelius Satria , Purwanto Agus
Published: August 2021

The battery is a storage medium for electrical energy for electronic devices developed effectively and efficiently. Sodium ion battery provide large-scale energy storage systems attributed to the natural existence of the sodium element on earth. The relatively inexpensive production costs and abundant sodium resources in nature make sodium ion batteries attractive to research. Currently, sodium ion batteries electrochemical performance is still less than lithium-ion batteries. The electrochemical performance of a sodium ion battery depends on the type of electrode material used in the manufacture of the batteries.. The main problem is to find a suitable electrode material with a high specific capacity and is stable. It is a struggle to increase the performance of sodium ion batteries. This literature study studied how to prepare high-performance sodium battery anodes through salt doping. The doping method is chosen to increase conductivity and electron transfer. Besides, this method still takes into account the factors of production costs and safety. The abundant coffee waste biomass in Indonesia was chosen as a precursor to preparing a sodium ion battery hard carbon anode to overcome environmental problems and increase the economic value of coffee grounds waste. Utilization of coffee grounds waste as hard carbon is an innovative solution to the accumulation of biomass waste and supports environmentally friendly renewable energy sources in Indonesia.
Protein Phosphatase 4 Negatively Regulates the Immune Deficiency-NF-κB Pathway during the Drosophila Immune Response
Authors: Salem Wehbe Layale , Barakat Dana , Acker Adrian , El Khoury Rita , Reichhart Jean-Marc , Matt Nicolas , El Chamy Laure
Published: August 2021

The evolutionarily conserved immune deficiency (IMD) signaling pathway shields Drosophila against bacterial infections. It regulates the expression of antimicrobial peptides encoding genes through the activation of the NF-κB transcription factor Relish. Tight regulation of the signaling cascade ensures a balanced immune response, which is otherwise highly harmful. Several phosphorylation events mediate intracellular progression of the IMD pathway. However, signal termination by dephosphorylation remains largely elusive. Here, we identify the highly conserved protein phosphatase 4 (PP4) complex as a bona fide negative regulator of the IMD pathway. RNA interference–mediated gene silencing of PP4-19c, PP4R2, and Falafel, which encode the catalytic and regulatory subunits of the phosphatase complex, respectively, caused a marked upregulation of bacterial-induced antimicrobial peptide gene expression in both Drosophila melanogaster S2 cells and adult flies. Deregulated IMD signaling is associated with reduced lifespan of PP4-deficient flies in the absence of any infection. In contrast, flies overexpressing this phosphatase are highly sensitive to bacterial infections. Altogether, our results highlight an evolutionarily conserved function of PP4c in the regulation of NF-κB signaling from Drosophila to mammals.
Suppressive Monocytes Impair MAIT Cells Response via IL-10 in Patients with Severe COVID-19
Authors: Yang Qianting , Wen Yanling , Qi Furong , Gao Xiang , Chen Weixin , Xu Gang , Wei Cailing , Wang Haiyan , Tang Xian , Lin Jingyan , Zhao Juanjuan , Zhang Mingxia , Zhang Shuye , Zhang Zheng
Published: August 2021

Immune cell responses are strikingly altered in patients with severe coronavirus disease 2019 (COVID-19), but the immunoregulatory process in these individuals is not fully understood. In this study, 23 patients with mild and 22 patients with severe COVID-19 and 6 asymptomatic carriers of COVID-19 were enrolled, along with 44 healthy controls (HC). Peripheral immune cells in HC and patients with COVID-19 were comprehensively profiled using mass cytometry. We found that in patients with severe COVID-19, the number of HLA-DRlow/− monocytes was significantly increased, but that of mucosal-associated invariant T (MAIT) cells was greatly reduced. MAIT cells were highly activated but functionally impaired in response to Escherichia coli and IL-12/IL-18 stimulation in patients with severe COVID-19, especially those with microbial coinfection. Single-cell transcriptome analysis revealed that IFN-stimulated genes were significantly upregulated in peripheral MAIT cells and monocytes from patients with severe COVID-19. IFN-α pretreatment suppressed MAIT cells’ response to E. coli by triggering high levels of IL-10 production by HLA-DRlow/−–suppressive monocytes. Blocking IFN-α or IL-10 receptors rescued MAIT cell function in patients with severe COVID-19. Moreover, plasma from patients with severe COVID-19 inhibited HLA-DR expression by monocytes through IL-10. These data indicate a unique pattern of immune dysregulation in severe COVID-19, which is characterized by enrichment of suppressive HLA-DRlow/− monocytes associated with functional impairment of MAIT cells through the IFN/IL-10 pathway.