bluuebunny/crossref_metadata_2025 huggingface dataset:
A perspective on nanocomposite coatings for advanced functional applications
Authors: Verma Jaya , Goel Saurav
Published: January 2023

Functional coatings provide durability to the bulk material and add other value-added properties which enhance the surface's mechanical, electrical, optical, and many other properties. The functional response of these coatings stems from the ambiance, which can be made to sense in response to a sharp change in the temperature, pH, moisture, active ions, or mechanical stresses. Recently, many efforts have been made to impart multi-functionality within a single coating, i.e., to achieve hydrophobicity and antifouling characteristics, which can be achieved by combining an appropriate coating material with a geometric nanopattern. Such coatings are poised to shape the future of the transport, healthcare, and energy sectors, including marine, aeronautics, automobile, petrochemical, biomedical, electrical and electronic industries. This perspective sheds light on the design specifications and requirements to fabricate functional coatings and critically discusses the fabrication methods, working principles, and case studies to survey various applications with a particular focus on anti-corrosion and self-cleaning applications.
Existence of a weak solution for a class of nonlinear elliptic equations on the Sierpiński gasket
Authors: Badajena A. K. , Kar R.
Published: January 2023

UDC 517.9

We study the existence of a weak (strong) solution of the nonlinear elliptic problem

-
Δ
u
-
λ
u

g
1

+
h

(
u
)

g
2

=
f

in

V
∖

V
0

,

u
=
0

on

V
0

,

where

V

is a Sierpi\'nski gasket in

ℝ

N
-
1

,

N
≥
2
,

V
0

is its boundary (consisting of

N

its corners), and

λ

is a real parameter. Here,

f
,

g
1

,

g
2

:
V
→
ℝ

and

h
:
ℝ
→
ℝ

are functions satisfying suitable hypotheses.
Pseudo almost periodic solutions in the alpha-norm and Stepanov's sense for some evolution equations
Authors: Rebey A. , Ben-Elmonser H. , Eljeri M. , Miraoui M.
Published: January 2023

UDC 517.9

Our aim is to present the concept of double-measure ergodic and double-measure pseudo almost periodic functions  in Stepanov's sense.  In addition, we present numerous interesting results, such as the composition theorems and completeness properties for these two  spaces of the considered functions.  We also establish the  existence and  uniqueness for the  double-measure pseudo almost periodic mild solutions  in Stepanov's sense for some evolution equations.
Some simplest integral equalities equivalent to the Riemann hypothesis
Authors: Sekatskii S. K. , Beltraminelli S.
Published: January 2023

UDC 511.3

We show that the following integral equalities are equivalent to the Riemann hypothesis for any real

a
>
0

and any real

0
<
ϵ
<
1
,

ϵ
≠
1

:

∫

-
∞

∞

ln
(
ζ

(

1
2

+
i
t
)

)

a
+
i
t

ⅆ
t
=
-
2
π
ln

a
+

1
2

a

,

∫

-
∞

∞

ln
(
ζ

(

1
2

+
i
t
)

)

(
a
+
i
t
)

ϵ

ⅆ
t
=
-

2
π

1
-
ϵ

(

(
a
+

1
2

)

1
-
ϵ

-

a

1
-
ϵ

)

.
On the rate of convergence in the invariance principle for weakly dependent random variables
Authors: Mukhamedov A. K.
Published: January 2023

UDC 519.21

We consider nonstationary sequences of

φ

-mixing random variables. By using the Levy–Prokhorov distance, we estimate the rate of convergence in the invariance principle for nonstationary

φ

-mixing random variables. The obtained results extend and generalize several known results for nonstationary

φ

-mixing random variables.
Геометричні структури на орбітах петельних груп дифеоморфізмів та асоційовані інтегровні гамільтонові системи „небесного'' типу. II
Authors: Hentosh O. E. , Prykarpatskyy Ya. A. , Balinsky A. A. , Prykarpatski A. K.
Published: January 2023

УДК 517.9

Наведено огляд диференціально-геометричних і Лі-алгебраїчних підходів до вивчення широкого класу нелінійних інтегровних диференціальних систем „небесного'' типу, асоційованих із гамільтоновими потоками на спряжених просторах до петельних алгебр Лі векторних полів на торах. Ці потоки породжуються відповідними орбітами коприєднаної дії петельної групи дифеоморфізмів і задовольняють векторно-польові умови сумісності типу Лакса–Сато. Проаналізовано відповідні ієрархії законів збереження і їхній зв'язок з інваріантами Казиміра. Розглянуто типові приклади таких систем і встановлено їхню повну інтегровність за допомогою розвиненої Лі-алгебраїчної конструкції. Описано нові узагальнення інтегровних бездисперсійних систем „небесного'' типу, для яких відповідні породжуючі елементи орбіт мають факторизовану структуру, що допускає їхнє розширення на багатовимірний випадок.
A Morphometric and Morphological Analysis of Superior Border of Dry Scapulae
Authors: AKIN SAYGIN Duygu , TÜRKOĞLU Fatma Nur , AYDİN Anil , ALPA Serife , YILMAZ Mehmet Tuğrul
Published: January 2023

Aim: The recognition of the scapula anatomy and visible variations is important in surgical treatments and arthroscopic procedures in case of any diseases of the shoulder. The morphological and morphometric characteristics of the scapular notch on the superior margin are very important. Because compression of the suprascapular nerve extending inside the scapular notch causes entrapment neuropathy. Therefore, the present study was planned in order to contribute to us as well as practitioners about morphometric and morphological characteristics of the superior margin of the scapula.Materials and Methods: Morphometric measurements (SL: scapula length; SW: scapula width; SI: scapula index; STD: superior transverse diameter of the scapular notch; MTD: medial transverse diameter of the scapular notch; VD: vertical diameter) were performed on 90 (50 left; 40 right) scapulae of Turkish population without unknown age and gender. Furthermore, the superior scapular margin and the scapular notch were categorized through observational classification as well as measurement. Results: The mean scapular width was detected 98.87±7.71 mm on the right and 94.38±13.01 mm on the left. The scapula index was measured 67.51±4.40 mm on the right and 63.80±8.29 mm on the left. The SL, STD, and VT was larger on the left; the SW, SI, and MTD were larger on the right. The difference between right and left for the SW and SI measurements was statistically significant (p<0.005). The most common scapular notch appearance, the U shape (64.4%) was the most common scapular notch shape as VD>MTD (%48.9). The most common superior margin type was moderately oblique (41.1%). Conclusion: We believe that the data obtained would be helpful for orthopedic surgeons in intramedullary nailing and radiologists in the differential diagnosis of some osteolytic lesions in that region. Furthermore, scapula measurements would help to identify the gender and race in forensic medicine and anthropology.
La percepción del racismo en los medios de comunicación en México
Authors: Tipa Juris
Published: January 2023

El objetivo de este artículo es presentar y discutir críticamente el estado del arte de estudios publicados sobre la percepción del racismo en los medios de comunicación en México. Si bien existen varias investigaciones donde están descritas y analizadas las distintas representaciones racistas en los medios de comunicación, poco se sabe acerca de qué es lo que “sucede” con estas representaciones, considerando la cualidad polisémica de los mensajes mediáticos emitidos o la pluralidad de significados que éstos puedan generar en las personas, dependiendo de sus propios contextos socioculturales.

En esta revisión están priorizados tres puntos sustanciales: 1) las preguntas de investigación propuestas; 2) los instrumentos metodológicos utilizados; 3) y las principales conclusiones. De esta forma es posible describir y analizar las tendencias que se encuentran en estos estudios, con la meta de identificar y proponer futuras oportunidades de investigación sobre la percepción del racismo en los contenidos mediáticos.

Se concluye que hay escasas investigaciones publicadas sobre la percepción del racismo en los medios de comunicación en México. No obstante, los pocos estudios encontrados demuestran lo fructífero que es este nicho de investigación en relación con los procesos de identificación, reconocimiento, rechazo o indiferencia que las audiencias experimentan al apropiarse de los contenidos mediáticos.
Repensar los héroes nacionales a través del cómic:
Authors: Aguilar Campos Citlaly
Published: January 2023

En el presente trabajo se busca problematizar sobre cómo el símbolo del héroe nacional al resignificarse desde una perspectiva distinta a la tradicional crea polémica dentro del imaginario social y personal; debido a que se ponen en juego los discursos oficiales y la hegemonía de los valores. El estudio de caso para abordar el tema es el cuadro La Revolución (2014) del artista mexicano Fabián Chávez quien hace una propuesta audaz de Emiliano Zapata, líder del ejército de Liberación del Sur durante el movimiento de la revolución mexicana inicios del siglo XX. Asimismo se hará una comparación de dicho trabajo con la caricatura política, expresión artística que replantea la forma de ver personajes e instituciones públicas. El marco teórico a usar es a través de autores como C.S. Peirce y Yuri Lotman quien brindan las categorías de semiosis y semiósfera para entender mejor el comportamiento de los discursos en la sociedad.
Usos y Gratificaciones de TikTok, entre Jóvenes Universitarios del Estado de Veracruz, México
Authors: Aguirre Gamboa Patricia del Carmen , Anaya Avila María del Pilar , Laurencio Meza Rossy Lorena
Published: January 2023

McQuail y Windahl describen que “durante los años sesenta la audiencia llegó a ser estudiada por sí misma, con elecciones y respuestas a los medios de difusión que requerían ser comprendidas y explicadas con independencia de cualquier consideración del efecto de los medios” (McQuail y Windahl, 1997, 158).

La presente comunicación es producto de indagación realizada por el cuerpo académico Estudios en Comunicación e información UV-PRODEP 310, durante el período agosto 2020 a enero 2021. Se avoca al estudio de audiencias de la cultura juvenil mediática, la cual surge ante la emergencia de la juventud como nuevo sujeto social. (Feixa, 1995). Su objetivo es conocer los usos que le dan los jóvenes universitarios a la red social TikTok, así como las gratificaciones que obtienen.

El método utilizado es el cuantitativo, a través de un muestreo no probabilístico de tipo intencional, con diseño e implementación de un formulario digital a jóvenes universitarios del estado de Veracruz. El análisis de resultados se realiza a través de los datos proporcionados por los participantes, mediante una encuesta codificada y validada que permitió identificar los usos y gratificaciones, así como determinar las necesidades y las condiciones de uso, consumo y prosumo entre los usuarios de esta aplicación.
Comprendiendo el entramado de la Comunicación Política en la construcción de la democracia en México: una entrevista con José Luis Estrada Rodríguez acerca del voto ciudadano, campañas electorales y medios de comunicación
Authors: Mateos Espejel Lourdes , Meneses Cruz María Josefina
Published: January 2023

La entrevista al doctor José Luis Estrada tiene como objetivo comprender cómo la comunicación política en México contribuye a la construcción de la democracia a partir del aporte de los medios de comunicación y los escenarios de las recientes campañas electorales. En específico, si se considera que ambos aspectos se configuran como parte integral de una serie de condicionantes que mueven a los ciudadanos a ejercer el voto. En este sentido, tal y como menciona el entrevistado en el libro “Comunicación política, instituciones y gobernabilidad en México” (2018), el desarrollo que ha tenido la Comunicación Política le ha permitido conformar un lenguaje especializado y una sistematización de significados, aspectos que la convierten en una disciplina con creciente auge, sobre todo por las implicaciones que tiene en el sistema de representación política como instrumento para ganar elecciones, así como instaurar la gobernabilidad, gobernanza y aceptación de los gobiernos
La propuesta bio-histórica-fenomenológica de la comunicación y su pertinencia para el análisis histórico de lo social
Authors: Romeu Aldaya Vivian
Published: January 2023

Este texto busca debatir en torno al fundamento ontológico de la comunicación, ya que su ausencia ha obstaculizado la inscripción del estudio de la comunicación en el conjunto de las ciencias sociales desde una perspectiva analítica propia. La propuesta bio-histórica-fenomenológica de la comunicación intenta subsanar esto a través de concebir la comunicación como un fenómeno expresivo de proyección subjetiva de significados, lo que implica un replanteamiento epistemológico sobre el fenómeno comunicativo que lo posiciona como central en el análisis histórico (constitutivo) de lo social. Para ello nos centramos en la articulación sujeto-representación-expresión que es la que revela los significados como fundamento de la acción, y en específico de la acción social que funda sociedad.
De usuarios a productores
Authors: Sánchez Maldonado Miguel , Muñoz Brenda , Orive Bellinger Adolfo
Published: January 2023

Reflexión teórica sobre la aplicación del método de pretextos objetivos para la transformación social a través del uso de los medios sociodigitales para la creación y distribución de contenidos contrahegemónicos. La ideología es una cosmovisión basada en la experiencia interaccional y desarrollada en procesos de lucha, negociación y conflicto dentro de la estructura, a través de la reflexividad discursiva y enmarcada en los procesos culturales. Con la aparición de plataformas de distribución de contenidos generados por los usuarios, la diferencia entre alta y baja cultura se desdibuja en las redes sociales donde confluyen narrativas elitistas, con populares y otras que reproducen visiones hegemónicas. La estrategia propuesta es una idea mediante la cual con el pretexto de que las personas aprendan a generar tecnologías, ingresarían en un proceso de aprehendizaje comunitario en el uso de las tecnologías, pero también en el incremento de capacidades de lenguajes de programación y la habilitación de condiciones que permitan que trasciendan su papel a productores. Con el pretexto de capacitar a los usuarios en la construcción y programación de este tipo de plataformas estaremos en condiciones de acompañar ciudadanos a que se conviertan en creadores de tecnologías que realmente promuevan la formación de ciudadanía.
La imagen mainstream en las portadas de música
Authors: Porras Rodríguez Marco Alberto
Published: January 2023

Este artículo versa sobre cómo la política de la industria discográfica y la estética de los creadores musico-visuales produjo un objeto singular en las portadas de discos. Una trayectoria diacrónica que durante el siglo XX dio lugar a imágenes emblemáticas que articularon los valores de talante industrial en consonancia con ciertos valores de una época que crearon un imaginario musical. Se parte de un análisis semiótico estructural para encontrar la significación que activa la iconicidad de las imágenes plasmadas en las portadas y su correspondiente comprensión a luz del contexto de una matriz cultural que funda modos de ver. Se encuentra que las portadas de discos convocan un conjunto de signos que señalan una connotación, tanto de artistas como de géneros musicales.
Comunicación, humor y polarización en Twitter sobre asuntos públicos y políticas de López Obrador
Authors: Tellez Sainz Luis Ignacio
Published: January 2023

En los contextos de crisis sociopolítica en México, existe una tradición sobre el empleo del humor para hacer frente a momentos críticos de la vida social. En Twitter se observan componentes paradójicos relevantes para estudiar y comprender el papel del humor en la deliberación sobre asuntos públicos y el Gobierno de López Obrador. Con un marco teórico-metodológico articulado por la Teoría de la Comunicación Humana, la Arquitectura del Humor y el modelado/análisis de interacciones, se identificaron las relaciones que componen la discusión pública en Twitter, el papel del humor como proceso comunicacional y se elaboró un esquema sobre este fenómeno.
Poiesis del error
Authors: Flores Hernández Jessica Leslie , Gutiérrez Reyes Héctor Alonso , Prieto Villanueva Antonio , Romero Díaz María Helena
Published: January 2023

Para John Cage “un error es simplemente la falta de ajuste inmediato de una idea preconcebida a una realidad.” Partiendo de esta premisa, se descubre la poiesis del error en la producción estética de Failed memories y The SARS-CoV-2 Collection correspondientes a David Szauder y Phillip David Stearns, por medio de la investigación cualitativa de carácter transversal, diseñando un método de estudio híbrido; un ejercicio heurístico que permite la identificación de las particularidades en el uso del error por parte de cada uno de los artistas glitch y su resignificación tecnológica.
PELAKSANAAN UJI DIAGNOSTIK COVID-19 DENGAN UJI ANTINGEN DAN RT-PCR DI PUSKESMAS MULTIWAHANA KOTA PALEMBANG
Authors: Lestari Puji , Syakurah Rizma Adlia
Published: January 2023

Kasus COVID-19 di Kota Palembang masih mengalami peningkatan. Salah satu upaya pencegahan penyebaran COVID-19 yaitu melakukan testing dengan swab antigen dan RT-PCR. Studi ini bertujuan menganalisis gambaran pelaksanaan uji diagnostik COVID-19 dengan swab antigen dan RT-PCR di Puskesmas Multiwahana. Sebuah desain kualitatif deskriptif dengan pendekatan studi kasus digunakan dalam artikel ini. Studi dilaksanakan dari 5 Juli−6 Agustus 2021 di Puskesmas Multiwahana. Objek yang diamati adalah pelaksanaan uji diagnostik COVID-19 dengan swab antigen dan RT-PCR di Puskesmas Multiwahana Kota Palembang berdasarkan pendekatan sistem yaitu input, proses, dan output. Hasil pengamatan menunjukan kesesuaian pada komponen input dan proses. Hasil uji diagnostik Antigen COVID-19 menunjukan 57,14% suspek dan 32,45% kontak erat dinyatakan positif. Sementara uji diagnostik RT-PCR menunjukan 70,67% suspek dan 44,47% kontak erat dinyatakan positif. Mayoritas kunjungan uji diagnostik yaitu uji diagnostik Antigen yaitu 226 kunjungan. Pelaksanaan uji diagnostik di Puskesmas Multiwahana sudah berjalan baik sesuai peraturan pemerintah dan panduan Kementerian Kesehatan RI. Pihak Puskesmas Multiwahana diharapkan dapat membuat informasi alur uji diganostik, dan menyedikan kontak khusus pendaftaran dan pemantauan.Kata Kunci: COVID-19; Uji diagnostik; Antigen; RT-PCR AbstractCOVID-19 cases continue to rise in Palembang. Testing for COVID-19 using an antigen swab and RT-PCR is one way to stop the spread of the virus. This study aimed to analyze the implementation of the COVID-19 diagnostic test with antigen swab and RT-PCR at the Multiwahana Health Center. This study conducted from 5 July to 6 August 2021 at the Multiwahana Health Center. A descriptive qualitative design with a case study approach used. The COVID-19 diagnostic test with swab antigen and RT-PCR was implemented using a systems approach, namely input, proses, output These findings showed the suitability of the input and process components. The COVID-19 Antigen diagnostic test showed 57.14% of suspects and 32.45% of close contacts were declared positive. Meanwhile, the RT-PCR diagnostic test showed 70.67% of suspects and 44.47% of close contacts were positive. Antigen diagnostic tests accounted for 226 of the majority of diagnostic test visits. The implementation of the diagnostic test at the Multiwahana Health Center has implemented well according to government regulations and Indonesian Ministry of Health guidelines. The Multiwahana Health Center is expected to be able to provide information on diagnostic test flow, and provide special contacts for registration and monitoring.Keywords: COVID-19; Diagnostic test;Antigen; RT-PCR
HUBUNGAN ASUPAN NATRIUM DAN KALIUM DENGAN KADAR EKSRESINYA DALAM URIN PADA ORANG DEWASA
Authors: Christijani Reviana , Anggraeni Dwi
Published: January 2023

Natrium dan kalium merupakan mineral penting yang bekerja sebagai elektrolit pengatur keseimbangan cairan tubuh. Salah satu mekanisme penyeimbang kadar elektrolit dilakukan oleh ginjal. Ginjal akan mengeskresikan kelebihan natrium dan kalium ke dalam urine. Penelitian ini untuk menganalisis hubungan antara asupan natrium dan kalium dengan kadar natrium dan kalium dalam urin. Desain penelitian yang digunakan adalah potong lintang. Penelitian dilakukan pada dua hari yang berbeda di Kota Bogor dengan melibatkan responden sebanyak 100 laki-laki dan 100 perempuan pada kelompok umur 20-49 tahun dengan menggunakan sampel urin 24 jam. Pada orang dewasa di Kota Bogor, asupan kalium berkolerasi secara sangat signifikan terhadap kadar kalium pada urin 24 jam baik pada hari pengamatan kesatu sebesar 0.249 pada p=0.000 maupun kedua sebesar 0.222 pada p=0.001. Namun demikian, asupan natrium tidakberkolerasi secara signifikan dengan kadar natrium pada urin 24 jam sebesar -0.066 pada p=0.175 di hari pengamatan kesatu, tetapi berkolerasi tidak searah secara signifikan sebesar-0.126 pada p=0.037 pada hari pengamatan kedua. Kadar ekresi natrium dalam urin 24 jam tidak berkorelasi dengan jumlah asupan natrium karena sebagian sebagian besar akan di serap kembali dan sebagian di ekresikan dalam urin serta keringat. Tingkat konsumsi kalium memiliki korelasi yang sangat signifikan sebagai akibat dari proses metabolisme yang mengeksresikan kalium dalam waktu pendek. Kata kunci: Asupan,Kalium; Natrium; Urin Abstract  Sodium and potassium are two prominent minerals that work as electrolytes to regulate the balance of body’s liquid. One of the electrolytes balanced mechanisms is carried out by the kidney. Kidney will secrete excess sodium and potassium into urine. The purpose of this study was to analyze the relationship between sodium and potassium intake with sodium and potassium levels in urine. The research used cross sectional design. The study was conducted on two different days in the city of Bogor involving 100 male and 100 female respondents in the age group 20-49 years using a 24-hour urine sample. In adults of Bogor City, potassium intake was very significantly correlated to the 24-hours urine potassium excretion level, both on the first day (0.249 at p=0.000) and the second day observation (0.222 at p=0.001). However, the natrium intake was not significantly correlated to the 24-hours urine potassium excretion on the first day (-0.066 at p=175), but was significantly correlated inversely (-0.126 at p=0.037) on the second day. There was no correlation between the level of 24-hour urine sodium excretion and the amount of sodium intake. It is because most of it will be reabsorbed and partially excreted into urine and sweat. Level of potassium consumption has a very significant correlation as a result of metabolic processes that express potassium in a short time. Keywords: Intake; Potassium; Sodium; Urine
PERCEPTION OF CREATIVE IDENTITIES BY ARTISTIC AND NON-ARTISTIC INDIVIDUALS: CONSEQUENCES FOR MANAGEMENT
Authors: Szostak Michał
Published: January 2023

The interdisciplinary research on the perception of creative identities like artists, creators,entrepreneurs, leaders, and managers brings substantial conclusions for understanding the way of thinking, internal features, and motivations of decisions of individuals with and without artistic factor. For this purpose, an international quantitative examination of 160 individuals was undertaken. The research exhibited that individuals with and without artistic identity perceive artists, creators, entrepreneurs, leaders, and managers statistically similar (chi-square test of independence used, p < 0.001). The negative verification of the hypotheses was astonishing and a novelty in the investigated area. The novelty should be seen as an artistic potential existing in each individual. The additional qualitative analysis of the 50 features constituting the investigated identities revealed that individuals with and without artistic identity see particular features of these identities slightly differently (the most important, the least important, and the most equally perceived features were described in detail). The outcomes were discussed with the literature on the subject, confirming most other researchers’ theses and revealing some contradictions and can be used to understand the qualities of artistic identity and the perception of investigated identities by individuals, groups, and societies dominated by persons with and without artistic factors. The applicability of the results is broad, mainly due to the role of artistry in today’s world as potential laying in every individual. Specific triggers should be catalyzed instead of looking for artist-born individuals. The education process of artists should focus on revealing artistic potential underlining the role of inspiration, and discovering the motifs of artistic activity.
DDO68 C: The Actual Appearance of a Ghost Satellite Dwarf through Adaptive Optics at the Large Binocular Telescope
Authors: Annibali Francesca , Pinna Enrico , Hunt Leslie K. , Paris Diego , Cusano Felice , Bellazzini Michele , Cannon John M. , Pascale Raffaele , Tosi Monica , Rossi Fabio
Published: January 2023

Through adaptive optics (AO) imaging with the SOUL+LUCI instrument at the Large Binocular Telescope we were able to resolve, for the first time, individual stars in the gas-rich galaxy DDO68 C. This system was already suggested to be interacting with the extremely metal-poor dwarf DDO68, but its nature has remained elusive so far because of the presence of a bright foreground star close to its line of sight that hampers a detailed study of its stellar population and distance. In our study, we turned this interloper star into an opportunity to have a deeper insight on DDO68 C, using it as a guide star for the AO correction. Although the new data do not allow for a direct distance measurement through the red giant branch tip method, the combined analysis of the resolved-star color–magnitude diagram, of archival GALEX far-UV and near-UV photometry, and of Hα data provides a self-consistent picture in which DDO68 C is at the same ∼13 Mpc distance as its candidate companion DDO68. These results indicate that DDO68 is a unique case of a low-mass dwarf, less massive than the Magellanic Clouds, interacting with three satellites (DDO68 C and two previously confirmed accreting systems), providing useful constraints on cosmological models and a potential explanation for its anomalous extremely low metallicity.
The Behavior of HgMn Stars in the Far-UV—Paper 24: HD 159975 (μ Oph)
Authors: Monier Richard
Published: January 2023

The analysis of two high resolution spectra of the Hg Mn star HD 159975 recorded by the SWP camera on board the International Ultraviolet Explorer does not reveal variations of the far-ultraviolet flux over a 18 yr time interval. From its effective temperature and surface gravity, HD 155975 appears to have evolved away from the Main Sequence in a theoretical Hertzsprung Russell diagram. It is one of the rare subgiant HgMn stars. Several Si ii resonance or low excitation lines are strong absorbers in the mean high resolution SWP spectrum of HD 159975. The Al ii resonance line at 1670.79 Å is a strong absorber too. There is no evidence of real variations of the low excitation Si ii lines.
Side-side-angle triangle congruence axiom and the complete quadrilaterals
Authors: Csiba Peter , Németh László
Published: January 2023

Among the triangle congruence axioms, the side-side-angle (SsA) axiom states that two triangles are congruent if and only if two pairs of corresponding sides and the angles opposite the longer sides are equal. We construct two triangle sequences in which the items satisfy a modified condition. We require that the opposite angles of the shorter sides be equal. The locus of the intersection points of other sides of triangles is derived to be a hyperbola, and in a generalized form defined by a complete quadrilateral, it is a conic section.
Existence of solutions and a numerical scheme for a generalized hybrid class of n-coupled modified ABC-fractional differential equations with an application
Authors: Khan Hasib , Alzabut Jehad , Baleanu Dumitru , Alobaidi Ghada , Rehman Mutti-Ur
Published: January 2023

In this article, we investigate some necessary and sufficient conditions required for the existence of solutions for mABC-fractional differential equations (mABC-FDEs) with initial conditions; additionally, a numerical scheme based on the the Lagrange's interpolation polynomial is established and applied to a dynamical system for the applications. We also study the uniqueness and Hyers-Ulam stability for the solutions of the presumed mABC-FDEs system. Such a system has not been studied for the mentioned mABC-operator and this work generalizes most of the results studied for the ABC operator. This study will provide a base to a large number of dynamical problems for the existence, uniqueness and numerical simulations. The results are compared with the classical results graphically to check the accuracy and applicability of the scheme.
Anthropology and linguistics in Great Britain: Bronislaw Malinowski and John Rupert Firth
Authors: Senis Angela
Published: January 2023

This paper examines how Bronislaw Malinowski, a Polish anthropologist most of whose career was in London, took inspiration from the British linguist Henry Sweet and in turn provided insights of great importance to the principal figure of the London School, J. R. Firth. Firth took Malinowski's concept of the ‘context of situation’ as the basis of his own contextual theory of meaning. Its fundamental insights arose from Malinowski’s research on difficult-to-access languages which foreshadowed later ‘pragmatics’, and which Malinowski then proposed were applicable as well to English and other European languages. Convinced of the complementarity of disciplines such as ethnology and philology, the anthropologist Malinowski questioned basic assumptions of the linguistics of the inter-war period. Firth’s frequent acknowledgments of Malinowski’s original insights are accompanied by efforts to spell out the differences between them.
Les textes autochtones et la formation de l’ethnolinguistique nord-américaine
Authors: Laplantine Chloé
Published: January 2023

Dans cet article on montre la place centrale donnée à l’étude des langues et aux recueils des textes dans la tradition de l’ethnologie américaine, depuis la fondation du Bureau of Ethnology jusqu’aux travaux de Boas. En donnant la parole aux autochtones par la publication de textes, l’ethnographie et la linguistique se modifient. L’ethnographie devient collaborative et polyphonique, et la linguistique cherche à travers les textes variés sur lesquels elle se fonde à découvrir la spécificité d’une expérience telle qu’elle est exprimée dans les formes de la langue.
Édito - Pour une histoire transnationale de l’éducation
Authors: Alix Sébastien-Akira , Kahn Pierre
Published: January 2023

L’histoire transnationale connaît depuis trois décennies un essor important. Privilégiant l’étude des processus d’interconnexions qui transcendent les frontières nationales, cette approche offre des perspectives nouvelles de recherches contribuant à la mise en relief d’un espace transnational qui déborde et échappe aux échelles et points de vue locaux et nationaux, tout en interagissant avec eux. S’inscrivant dans la lignée de ce courant historiographique, le présent dossier entend analyser, dans une perspective historique, les circulations nationales et internationales d’acteurs, de savoirs et de modèles en éducation à partir d’études de cas aux XIXe et XXe siècles. Il propose également une note de synthèse des principaux travaux historiques consacrés aux circulations transnationales et transatlantiques en éducation à l’époque contemporaine.
An Optimal Data Communication System in Wireless Sensor Network Using Artificial Neural Network
Authors: Dass Ashish Kumar , Das Santosh Kumar
Published: January 2023

Wireless sensor networks (WSN) can be referred to as a group of spatially dispersed and dedicated sensors that are self-capable of collecting environmental information, processing it as per requirement, and forwarding it to a base station for different application. In this chapter, the authors focus on secure data transformation in wireless sensor node. The intrusion detection system using sensor node is complicated as sensors lifetime depends upon power consumption and for which the network's lifetime also get affected. Security as well as network lifetime can be enhanced by relocating the computational load of the operation from the sensor nodes to the base station. At base station by encrypting and compressing the data using cryptography and artificial neural network (ANN), the authors increase the security and increase the throughput of the network. On the server side it is decompressed and then decrypted.
IoT Security Enhancement System
Authors: Das Santosh Kumar , Kumar Vikash
Published: January 2023

The internet of things (IoT) is one of the new technologies based on new requirements and innovations. It is a set of equipment that consists of several sensor nodes and devices to make efficient communication. It is an embedded system that contains several sensor nodes, software, and exchanging equipment. There are several applications of IoT such as smart homes, health monitoring systems, smart factories, wearable health monitoring systems, logistic tracking, etc. Although, it has several applications and advantages, but it has also some limitations regarding data privacy, data security, data volume and data complexity, etc. Hence, it requires innovating and modeling of security of IoT based on different techniques. Therefore, in this chapter, a details review is discussed based on the fusion of edge computing and blockchain.
Synthesis of Graphene
Authors: Ghosh Arka
Published: January 2023

Single layer graphene is called monolayer graphene which exhibits some unique characteristics with a special arrangement of atoms in its crystal. In contrary, graphene can be sometimes modified for numerous application specific uses. This book chapter presents brief details of graphene structure, along with formation of sp2 hybridization, critical parameters of the unit cell, formation of σ and π bonds, different properties, synthesis processes and their advantages and disadvantages over one another, potential applications of graphene in different fields. Out of different synthesis processes, mechnical exfoliation, chemical exfoliation, reduced graphene oxide, chemical vapour deposition, and epitaxial growth are the most well-known processes, and are detailed and described here. Graphene application in integrated circuit, optical electronics generally in OLED, energy application generally for the storage purpose is elaborately discussed here in this chapter. Throughout the chapter the authors described everything with suitable diagrams as per the requirements.
Addressing Noise and Class Imbalance Problems in Heterogeneous Cross-Project Defect Prediction
Authors: Vashisht Rohit , Rizvi Syed Afzal Murtaza
Published: January 2023

When a software project either lacks adequate historical data to build a defect prediction (DP) model or is in the initial phases of development, the DP model based on related source project's defect data might be used. This kind of SDP is categorized as heterogeneous cross-project defect prediction (HCPDP). According to a comprehensive literature review, no research has been done in the field of CPDP to deal with noise and class imbalance problem (CIP) at the same time. In this paper, the impact of noise and imbalanced data on the efficiency of the HCPDP and with-in project defect prediction (WPDP) model is examined empirically and conceptually using four different classification algorithms. In addition, CIP is handled using a novel technique known as chunk balancing algorithm (CBA). Ten prediction combinations from three open-source projects are used in the experimental investigation. The findings show that noise in an imbalanced dataset has a significant impact on defect prediction accuracy.
Impact of chronological ageing on semen parameters in southern Indian men visiting infertility centre
Authors: Asif Muhammed , Vijay Asha S. , Maheshwari  , Fyzullah Syed , Rani Usha , Swathi R , Damodara Gowda KM
Published: January 2023

Objective:

To investigate the association between age and semen parameters among male partners of subfertile couples.

Methods:

This retrospective study analyzed the semen of 1 523 infertile men aged 26 to 50 years. Data were extracted from GarbhaGudi IVF Centre database from January 2019 to September 2020. The basic semen parameters were interpreted according to the WHO manual 2021, 6th edition. Semen parameters in different age groups were compared.

Results:

Total and progressive motile sperms were significantly higher in the age group of 26-30 years compared to other age groups (P<0.05). Normal sperm count was significantly higher in the age group of 26-30 years compared to the age groups of 41-45 years and >46 years (P=0.001). However, sperm head defects, neck and midpiece defects, tail defects, and cytoplasmic droplets showed statistically insignificant difference in all the age groups (P>0.05). Semen viscosity showed no statistical difference in all the age groups compared to the reference age group of 26 to 30 years.

Conclusions:

Higher age can lead to a significant decrease in normal sperms and motility in subfertile men. Hence, male partner age should be considered as one of the major determining factors for reproductive outcomes.
Inappropriate fetal sinus tachycardia at 9 weeks of gestation
Authors: Bravo-Valenzuela Nathalie Jeanne , Araujo Júnior Edward
Published: January 2023

Inappropriate sinus tachycardia (IST) is characterized by an inexplicably elevated sinus heart rate (HR) at rest, with an exaggerated response to physical activity. Its etiology is unknown, and IST is more common in the middle-aged population, being rare in children and adolescents. Although a favorable long-term prognosis has been described in a small series, tachycardia-induced cardiomyopathy has rarely been associated with IST. In this report, we describe an extremely rare case of IST detected in the first trimester of gestation, focusing on reviewing important features to improve the diagnosis of the different types of tachycardia by applying fetal cardiac ultrasonography. In the case reported, the diagnosis of IST was suspected in a fetus from a pregnant woman with celiac disease, who was referred at 9 weeks of gestation with fetal tachycardia. The fetus remained hemodynamically stable until term, and the female neonate was born unremarkably. Electrocardiography in the newborn showed sinus tachycardia (ST) with normal PR and QTc intervals. Possible causes of ST were excluded, thus confirming the fetal diagnosis. The patient presented with a fast HR at rest with an exaggerated increase with minimal physical activity accompanied by irritability. Beta-adrenergic blocker therapy was initiated, and the female neonate has progressed well.
Arterial switch for double-outlet left ventricle – Diagnostic and surgical considerations
Authors: Subramaniam Ganapathy Krishnan , Gnanasekaran Pradeep , Sharma Dhruva , Kumar Rajesh , Chandrashekhar Anitha
Published: January 2023

Double-outlet left ventricle (DOLV) is a rare congenital cardiac anomaly in which both the aorta and pulmonary artery arise completely or predominantly from the left ventricle. DOLV is a spectrum and can be classified depending on the position of the ventricular septal defect (VSD) relative to the great vessels, the relationship of the great vessels, and the presence or absence of pulmonary or aortic outflow obstruction. In the absence of tricuspid atresia or hypoplastic right ventricle, two ventricle repair is the preferred surgical treatment. We report a 31-day-old, 2.1 kg neonate with DOLV, subaortic VSD who underwent a successful arterial switch with VSD closure.
Visualization of the arterial valve morphology and number of leaflets in a fetus with common arterial trunk by spatiotemporal image correlation imaging
Authors: Krishna Mani Ram , Senniyan Usha Nandhini
Published: January 2023

Spatiotemporal imaging correlation (STIC) technology has been employed to visualize the fetal heart for close to two decades, but the additional value of the technology remains debatable. The value of the technology in identifying the morphology of the cardiac valves is being recognized. We report a 21-week gestational age fetus with common arterial trunk where STIC imaging enabled us to identify a bicuspid arterial valve.
Prenatal diagnosis of transposition of great arteries with left anterior aorta (SDL-TGA)
Authors: Alawani Sujata S. , Srimurugan Balaji , Kottayil Brijesh , Vaidyanathan Balu
Published: January 2023

We report a case with prenatal diagnosis of transposition of great arteries (TGA) with L-posed aorta (SDL-TGA) which was confirmed by postnatal echocardiography. The anatomic findings were confirmed during the successful arterial switch operation (ASO). The technical challenges of ASO in the L-posed aorta are also described.
Left superior vena cava or left vertical vein in supracardiac total anomalous pulmonary venous drainage - Does it make a difference?
Authors: Uppal Radhika , Shekhada Nikunj R. , Palaparthi Sairam , Vyas Suman , Jagannath Byalal Raghavendrarao
Published: January 2023

What do we call a vascular structure that is in the left pneumopericardial space, drains systemic venous blood, and the total pulmonary venous return, into the right atrium, through a dilated coronary sinus (CS)? Can we preserve the CS drainage while correcting the total anomalous pulmonary venous connection?
A novel lung recruitment technique in pediatric patients with congenital heart diseases
Authors: Pujara Jigisha Chandrakant , Singh Guriqbal , Ninama Sunil , Agrawal Satbir Kaur , Shukla Kamayani , Surti Jigar
Published: January 2023

Background :

Lung recruitment techniques are employed to help in improvement of pulmonary mechanics, facilitate early weaning, and shorten the duration of mechanical ventilation. We are reporting a novel lung recruitment technique employed in four children with left lung atelectasis, who underwent corrective surgery for congenital heart disease.

Materials and Methods :

From January 2020 to March 2021, four pediatric cardiac patients having left lung atelectasis, undergoing corrective surgery were subjected to lung recruitment technique and had elective endobronchial intubation and suctioning with chest physiotherapy in the form of vibration and percussion. This was done along with intermittent ventilation with 100% oxygen.

Results :

Successful recruitment of lung segments and clearance of atelectasis were confirmed by auscultation and chest X-ray in all four patients. All the cases were successfully weaned off the ventilator within 24–48 h. One patient had an opposite lung collapse after extubation, which was managed conservatively with chest physiotherapy. Another patient had bradycardia and desaturation during the procedure, which was improved after withdrawing the tube and instituting two lung ventilation with 100% oxygen.

Conclusions :

This novel lung recruitment technique helps in recruitment of collapsed lung segments and thus helps in early weaning and shortens the duration of mechanical ventilation.
Noncommunicable diseases associated with household air pollution from biomass fuel in South-East Asia region
Authors: Rana Anjali , Kaur Rajbir , Malhotra Samir , Thakur J. S.
Published: January 2023

Introduction:

The WHO states that around 2.6 billion people still cook using solid fuels (such as wood, crop wastes, charcoal, coal, and dung) and kerosene in open fires and inefficient stoves. Evidence suggests that exposure to indoor air pollution by biomass fuel cooking is associated with chronic obstructive pulmonary disease, asthma, cardiovascular diseases, lung cancer, hypertension, depression, breast cancer, and cataract. This systematic review aims at providing evidence-based insight into indoor air pollution by comprehensively assessing the association of major noncommunicable diseases with the household air pollution from biomass solid fuel.

Methods and Analysis:

We will undertake a systematic search in PubMed, EMBASE, Scopus, OVID, MEDLINE, and Cochrane Central Register of Controlled Trials (CENTRAL) in the Cochrane Library from January 2000 to April 2022. The study designs to be included will be cross-sectional, case-control, cohort, and randomized controlled trials. Subgroup analyses will be performed, and sensitivity analyses will be conducted to assess the robustness of the findings.

Ethics and Dissemination:

No ethical issues are foreseen. Dissemination will be done by submitting scientific articles to academic peer-reviewed journals. We will present the results at relevant conferences and meetings.

Study Design:

Systematic review and meta-analysis.

Conclusion:

This systematic review will collate empirical evidence to assess the association of NCDs with the household air pollution from biomass fuel.

Prospero Registration:

CRD42022356857.
Patient compliance, comorbidities, and challenges in the management of hypertension in India
Authors: Singh Prateek , Dilip T. R.
Published: January 2023

Background and Objectives:

As of now, only one-third of those with hypertension in India are unaware of the existence of this condition, and only a negligible share of those diagnosed can control it through medication. There is a need to understand the characteristics and behaviors of patients treated for hypertension for generating evidence for better management of this condition. In this context, the study examines the key factors associated with uncontrolled blood pressure (BP) levels in patients under medication for hypertension.

Subject and Methods:

Data from the nationally representative Longitudinal Ageing Study of India survey, 2017–18, are used for the analysis. This study is restricted to 12,353 respondents aged 45 years and above who were already diagnosed with hypertension before the survey and are under medication. BP level at the point of the survey was used to classify the respondents as hypertension under control (systolic <140 mm and diastolic <90 mm), Grade-1 Hypertension (systolic 14–159 mm or diastolic 90–99 mm), Grade-2 Hypertension (systolic160–179 mm or diastolic 100–109 mm), and Grade-3 Hypertension (systolic 180 or above mm or diastolic 110 or above mm). Bivariate and multivariate logistic regression analysis is performed to study the association between hypertension control in these patients and their demographic, socioeconomic, and behavioural characteristics.

Results:

A critical proportion of respondents have uncontrolled hypertension of Grade 1 (31%), Grade 2 (15%), and Grade 3 (2%), despite taking medication for the same. As compared to their remaining counterparts, the risk of uncontrolled hypertension is high in rural areas (odds ratio [OR] = 1.37, 95% confidence interval [CI], P < 0.01), old-adults living alone (OR = 1.63, 95% CI, P < 0.05), patients having no schooling (OR = 1.18, 95% CI, P < 0.05), patients with obesity (OR = 1.2, 95% CI, P < 0.05), moderate alcohol drinkers (OR = 2.1, 95%CI, P < 0.01), abusive alcohol drinkers (OR = 1.6, 95% CI, P < 0.01).

Interpretation and Conclusions:

Poor control over BP levels among patients from rural areas, the poorest and most vulnerable sections, supports the governmental efforts initiated since 2018 to expand community-level screening and provisioning of noncommunicable diseases, including that for hypertension. In addition, concrete efforts for health promotion within patients under medication for hypertension too are essential for better management of this condition.
Adiponectin
Authors: Bhaktha Geetha , Nayak B Shivananda , Shantaram Manjula
Published: January 2023

The biological functioning of adiponectin (APN) has been well understood for two decades. Numerous clinical and animal studies have paved an understanding of the exposed physiological functions of APN in obesity and its related disorders. APN mediates its action through its receptors to achieve its function. Apart from its contribution to metabolism, APN also defends the cells from cell death and decreases the inflammation in various cell types through receptor-dependent mechanisms and also contributes to the reproductive function. APN communicates between adipose tissue and other organs and hence is a potential therapeutic target for obesity and its related pathogenesis.