bluuebunny/crossref_metadata_2025 huggingface dataset:
An automated structural health monitoring system developed for Ekaterinburg Arena
Authors: Kolotovichev Yury A. , Shakhramanyan Andrey M.
Published: April 2022

Introduction. The paper presents those essential Structural Health Monitoring (SHM) implementation details that have not been sufficiently documented in Russian national guides or regulations. The study aims to systematize and share the experience of applying the previously developed SHM theoretical principles to the existing large-span unique sports facility Ekaterinburg Arena. The paper provides information about determining monitored structural elements, instrumentation alignment, and monitoring parameters’ threshold value.

Materials and methods. The long-term SHM system of the large-span structure of the Arena is organized around hardware and software for processing the data constantly incoming from tiltmeters, strain gauges, accelerometers, a motorized total station, and a weather station.

Results. A unified information system for automated SHM of the Arena has been created. It comprised modules for data acquisition, high-performance databases for storing metrics, metadata, and the project information, services for evaluating and visualizing structural parameters, components for the instrumentation self-diagnosis, an application development interface for sophisticated data analysis, and a 3D model of the structure. Engineering methods for evaluating the initial values of the controlled parameters and their thresholds acceptable for regular operation are proposed. The technique of calculating internal forces based on the strain gauge data with a redundant measurement pattern has been tested.

Conclusions. The obtained monitoring results have become a valuable source of initial data for developing automated methods for detecting and locating damages in structures, improving structural analysis and design methods, predictive maintenance, surveys, and solving other knowledge-intensive tasks. Applying the SHM theoretical principles to the real structure can significantly contribute to developing the current immature scientific and regulatory framework for implementing similar monitoring systems at complicated construction facilities.
Using a simplified technology to make an alkaline binder from silica additives
Authors: Salamanova Madina Sh.
Published: April 2022

Introduction. The global expertise in the industry-scale application of alkaline composites in construction and their unique properties have proven strong prospects for and the relevance of a clinker-free technology and its development. The elaboration of alkaline-activated formulas for binders, containing fine powders of the aluminosilicate origin, allows making new efficient high quality products. New composite construction materials contain alkaline solutions of sodium silicate, although the large-scale application of this technology will require an alternative sealant.

Materials and methods. The paper presents a method for the accelerated preparation of an alkaline-silicate sodium binder composed of a 40 % solution of caustic soda, having density of 1,430 kg/m3 and ultrafine powders featuring high silica content extracted from quartz glass sands and volcanic tuff. The resulting liquid-glass binder was studied using a special method to determine the concentration of SiO2 that reacted with NaOH and the SiO2/Na2O silicate module. Scanning electron microscopy is employed to study the synthesized alkaline solutions, or the filtrate and the suspension.

Results. The results have proven the effectiveness of the “wet” method for preparing the alkaline-silicate sodium binder using the simulated compositions. Ultrafine microparticles are quite active and capable of rearranging in the suspension. As a result, hydrated nepheline compounds and hydro-alumino-silicate metastable phases of variable compositions are generated. The binder system has a sufficient amount of structureless silica that converts into a solution in the process of leaching; it is also capable of synthesizing new compositions corresponding to sodium hydrosilicate Na2[Si4O10]∙4H2O.

Conclusions. The prospects for and availability of fine off-grade glass quartz sands are beyond doubt; the proposed “wet” method of making less energy- and resource-intensive liquid glass binders will expand the clicker-free technology of alkali-activated binders, thereby reducing the environmental load and promoting an alternative to expensive and energy-intensive Portland cement.
Unification of superstructures having load-bearing elements made of fiber-reinforced polymer composites
Authors: Korotkiy Andrey S. , Ivanov Artyom N.
Published: April 2022

Introduction. The susceptibility of traditional building materials to corrosion has a negative impact on the durability of bridge structures. The solution to the problem of bridge durability is the use of corrosion-resistant fiber-reinforced polymer composites as the main load-bearing elements of superstructures. The joint performance of composites and traditional building materials ensures the most efficient use of the strength potential. The purpose of the study is to unify the design of superstructures, having load-bearing elements made of fiber-reinforced polymer composites by applying a well-known design solution to typical lengths of superstructures to increase the competitiveness of hybrid structures.

Materials and methods. Unified parameters of hybrid superstructures are determined. Unification is carried out through the calculation and design of each individual span size. Since the calculation pattern is identical for each structure, the same algorithm, developed by the authors, is employed to make calculations for each span length. The calculation of the roadway slab is performed using the engineering method of “the imprint”. Calculations of fiberglass elements of the main trusses are made using finite element models of hybrid superstructures with account taken of the characteristics of the materials used.

Results. Calculations were made and four hybrid superstructures, having main load-bearing elements made of fiberglass, were designed; a well-known unified design pattern was implemented in the designed elements. The main performance indicators of unified superstructures are determined and compared with those of similar structures made of traditional building materials.

Conclusions. A unified line of hybrid superstructures, having standard lengths, has been designed. Each has a set of structural drawings, which can be used both at the stage of the trial design of structures and at the stage of the project documentation development. Advantages of composite polymer materials, namely, their applicability in hard-to-reach areas of the country, are demonstrated.
Rendimiento y digestibilidad de forraje de cultivares de Urochloa spp. a tres edades de rebrote en épocas de lluvias y seca
Authors: Garay Martínez Jonathan Rául , Estrada Drouaillet Benigno , Martínez González Juan Carlos , Cancino Santiago Joaquín , Guevara Costles Hernán Patricio , Acosta Jácome Marco Vinicio , Cienfuegos Rivas Eugenia Guadalupe
Published: April 2022

El trópico húmedo ecuatoriano tiene potencial para la producción ganadera y los cultivares de Urochloa pueden ser una opción para la producción de alimento, pero se deben considerar las condiciones ambientales y de manejo, ya que estas determinarán el rendimiento y valor nutritivo del forraje. Se evaluó el rendimiento de materia seca total (MST; t ha-1), componentes morfológicos (%; hoja, tallo, material muerto e inflorescencia) y la digestibilidad in situ de la MS (DISMS; g kg-1) en cinco cultivares de Urochloa: Mulato II, Marandú, Xaraés, Piatá y Señal (testigo), a tres edades de rebrote (4, 6 y 8 semanas), durante las épocas de lluvias (ELL) y seca (ESE). Los datos se analizaron dentro de cada época con un diseño de bloques completos al azar en arreglo de parcelas divididas. Durante la ELL no hubo diferencia (P>0.05) en MST, entre cultivares evaluados. Durante la ESE Marandú presentó menor rendimiento que Xaraés (0.92 vs 1.21 t ha-1). La proporción de componentes morfológicos fue diferente entre cultivares (P<0.05) y las hojas fueron el componente que más contribuyó al rendimiento. La DISMS se redujo de 64 a 56 % y de 60 a 56 %, cuando el forraje se cosechó a 4 y 8 semanas durante la ELL y ESE, respectivamente. Los cultivares evaluados mostraron rendimientos aceptables de MST, 2.6 y 1.0 t ha-1 y DISMS, 602 y 574 g kg-1, durante la ELL y ESE, respectivamente; por lo que pueden ser una alternativa forrajera para la ganadería del trópico húmedo de Ecuador.
Comparación en la calidad de huevos obtenidos en un sistema de producción en corrales al aire libre y los producidos en un sistema de jaula
Authors: Romo Samantha , López Daniela , Ledesma Nestor , Gutiérrez Carlos , Quintana Antonio , Rangel Lucía
Published: April 2022

México es el principal consumidor de huevo a nivel mundial con más de 23.22 kg de huevo per capita al año. En años recientes se han diversificado los sistemas de producción con la introducción de sistemas que promueven el bienestar animal. El presente estudio se realizó con el objetivo de comparar la calidad de los huevos producidos en un sistema de corral al aire libre contra los de un sistema semi-tecnificado en jaula. Se evaluaron las características físicas internas y externas de los huevos a los 3 y a los 15 días de la puesta. Los resultados del presente estudio mostraron que el huevo producido en un sistema de corral al aire libre posee menor limpieza (P<0.001), y menor calidad (P<0.005) que el de los huevos producidos en el sistema de jaula, de acuerdo a la clasificación de la Norma mexicana de “Productos avícolas -huevo fresco de gallina- especificaciones y métodos de prueba” (NMX-FF-127-SCFI-2016). Finalmente, el tiempo de almacenamiento disminuyó significativamente la calidad del huevo producido en el sistema de corral al aire libre (P<0.001), pero no la de los huevos provenientes del sistema convencional en jaula. En conclusión, bajo las condiciones del presente trabajo, la calidad del huevo proveniente de sistemas convencionales es mejor que la del huevo producido en sistemas de corral al aire libre, especialmente después de 15 días de almacenamiento. Estos resultados sugieren que se requieren más estudios que evalúen los efectos de las prácticas de manejo, la medicina preventiva y las condiciones medioambientales de los sistemas libres de jaulas, sobre la salud animal y la calidad final del huevo.
Determinación serológica del virus de leucosis enzoótica bovina (VLEB) en el municipio de Paipa, Boyacá (Colombia)
Authors: Jiménez Sánchez Jorge Alejandro , Bulla-Castañeda Diana María , Díaz-Anaya Adriana María , García-Corredor Diego José , Pulido-Medellín Martín Orlando
Published: April 2022

La leucosis enzoótica bovina (LEB) es una infección económicamente importante del ganado lechero, causada por el virus de la leucemia enzoótica bovina (VLEB). El método habitual de propagación de la infección por VLEB es la transmisión horizontal, a través de la exposición directa e indirecta de animales susceptibles a los linfocitos infectados de la sangre o de la leche. Tras la infección los animales aparentan estar clínicamente sanos durante los primeros años postinfección, pero entre el 30 y 70 % de los animales pueden desarrollar linfocitosis persistente y del 0.1 a 10 % de los bovinos sufren de linfosarcoma. Esta infección se detecta mediante pruebas serológicas, generalmente por el ensayo por inmunoabsorción ligado a enzimas (ELISA). El objetivo de la presente investigación fue determinar la seroprevalencia de VLEB en hembras bovinas del municipio de Paipa (Boyacá). El estudio epidemiológico fue observacional descriptivo de corte (transversal) con muestreo aleatorio simple, en donde se recolectaron 1000 muestras de suero las cuales fueron procesadas mediante la técnica de ELISA indirecta implementando el kit comercial SERELISA® BLV Ab Mono Blocking. Se determinó una seroprevalencia de 31.1 % (311/1000) encontrando asociación estadística significativa entre la raza, la edad y la seropositividad al virus.
Rendimiento de corderos alimentados con ensilaje como alimento total a base de nopal
Authors: Bevenuto da Silva Juscelino Kubitschek , Garcia Leal de Araújo Gherman , Santos Edson Mauro , Silvade Oliveira Juliana Silva , Sena Campos Fleming , Costa Gois Glayciane , Santos Silva Tiago , Gomes da Silva Matias Alex , Lolato Ribeiro Ossival , Fernandes Perazzo Alexandre , De Moura Zanine Anderson
Published: April 2022

This study aimed was to evaluate the intake, apparent digestibility, water balance, nitrogen balance, and productive performance in lamb fed cactus pear silage associated with tropical forages. Forty male intact crossbred lambs, with an initial body weight of 18.85 ± 1.2 kg, were used in the experiment. The experimental design was completely randomized, with 5 treatments and 8 replications. The treatments consisted of diets with different proportions of buffelgrass and wheat bran as sources of neutral detergent fiber (NDF), in total feed silage (TFS) based on cactus pear: TFS1 - 279 g/kg of buffelgrass; TFS2 - 240 g/kg of buffelgrass and 17 g/kg of wheat bran; TFS3 - 198 g/kg of buffelgrass and 34 g/kg of wheat bran; TFS4 - 108 g/kg of buffelgrass and 74 g/kg of wheat bran; TFS5 – 118 g/kg of wheat bran. The lowest NDF intake was found in lambs that consumed TFS5 (402 g/d). The non-fibrous carbohydrates apparent digestibility was higher for TFS5, while the NDF apparent digestibility of TFS5 and TFS4 was higher than TFS1. Diets promoted an average daily weight gain of 180.8 g/d. Under experimental conditions, the use of forage cactus pear and concentrate in the form of total mixed rations silage leads to greater intake of crude protein, non-fibrous carbohydrates, ether extract and greater digestibility of non-fibrous carbohydrates and neutral detergent fiber, however, all diets were viable in the feed of confined sheep, providing gains of up to 198 g/d according with the formulation of the diet.
Factores asociados a indicadores de crianza de reemplazos bovinos durante el periodo de lactancia en unidades lecheras de pequeña escala
Authors: Villaseñor González Fernando , Estrada Cortés Eliab , Montes Oceguera Lilia Del Rocío , Vera Ávila Héctor Raymundo , Montiel Olguín Luis Javier , Jiménez Severiano Héctor , Espinosa Martínez Mario Alfredo
Published: April 2022

El objetivo fue evaluar el impacto de factores asociados al manejo de la madre y la calidad del calostro sobre la crianza de reemplazos bovinos durante la lactancia, en el sistema de producción de leche a pequeña escala. En 13 unidades de producción se obtuvo información del crecimiento corporal, la alimentación con calostro e información asociada a la madre de 220 becerras Holstein. Las variables de interés fueron: morbilidad, concentración de inmunoglobulinas en el  calostro  (CIC; <110 mg/ml),  concentración de proteína  sérica (CPS; <6.6 g/dl), ganancia diaria de peso (GDP; <0.650 kg/día) y ganancia diaria de altura (GDA;  <0.222 cm/día).  Los factores  de  estudio  fueron: peso corporal  al  nacimiento (PCN; <42 kg),  altura al nacimiento (AN; <82 cm), calostro consumido  el primer día (CCPD; <4 l), calostro consumido el primer día/kg de PV (CPDPV), condición corporal al parto (CCP; <3), duración del periodo seco (DPS; >68 días), vacas primíparas (VP) y vacas sin dieta de reto (VSDR). Para determinar el impacto de los factores de estudio sobre los eventos de interés, se obtuvo la razón de momios a partir de análisis de regresión logística múltiple. Los factores identificados para morbilidad fueron CCPD y VP (P<0.1). Los factores para CIC fueron la DPS y VSDR (P<0.1), mientras que para la GDP lo fue VSDR (P<0.1). Finalmente, los factores para GDA fueron VSDR, PCN, AN y CPDPV (P<0.1). Estos resultados sugieren que la nutrición de la madre durante la gestación tardía tiene un impacto importante sobre la salud y el desarrollo corporal de las becerras durante la lactancia. Estudios adicionales deberán determinar los efectos a largo plazo.
A Fenomenologia do Espírito de Hegel em diálogo com o idealismo alemão: o saber absoluto como a última figura do espírito
Authors: Pertille Jose
Published: April 2022

Os dois objetivos desse texto são: oferecer uma exposição geral sobre a originalidade da Fenomenologia do Espírito de Hegel na trajetória do Idealismo Alemão, e delinear uma sucinta apresentação mais específica sobre o papel do último capítulo dessa obra, dedicado ao “saber absoluto”, na estratégia argumentativa daquela ciência da experiência da consciência. O significado e o papel do conceito de Absoluto em Hegel e em seu desenvolvimento histórico é estudado, especialmente a partir de sua diferença com a filosofia de Schelling.
Sobre la dialéctica contemporánea: concepto, ontología y capacidad crítica
Authors: Gres Chávez Pablo
Published: April 2022

El propósito de este trabajo es plantear un concepto un concepto de dialéctica sin mistificaciones, siguiendo para eso la lectura que Bertell Ollman hace de la obra de Marx. En ese sentido, se comprenderá a la dialéctica como una tradición filosófica y como un método de investigación en el que la figura de Marx es fundamental, pero que puede nutrirse con la perspectiva de otros filósofos que comparten algunos de sus puntos. En segundo término, se explicará la base ontológica (o la filosofía de las relaciones internas) y el sustrato epistemológico (o el proceso de abstracción) que le permiten a la dialéctica operar. Aclarados estos aspectos, se expondrán las principales leyes o tendencias dialécticas. Con el objeto de comprender su operatividad, se caracterizará a la dialéctica como una tradición y método filosófico profundamente crítico. Finalmente se ofrecerán algunas conclusiones.
Biomimicry and Art: Transductions with Biology
Authors: Leote Rosangella
Published: April 2022

This article discusses the concept of Biomimicry, which has been applying in many fields, from nanotechnology to robotics. It is appearing in smart materials and machinic intelligence, for diverse purposes, being inspired by natural processes and organisms. The main application of Biomimicry has been to produce artifacts and ideas from what we can know about what nature has already done. While the mimesis has been removed from the vocabulary of Art, the works of some artists are still full of possibilities to discuss under the concept of Biomimetics. Many artists have dedicated themselves to the development of works using the poiesis of hybridization and mimicry. How close they approach of Biomimetics? As examples, are brought Walmor Corrêa, Patrícia Piccinini, Liu Xue, Berlinde De Bruyckere, Alessandro Boezio, Joan Fontcoberta and Pere Formiguera. This discussion is the starting point for introduce my project “VIRIDIUM”, in which I´m developing some semiautonomous and translucent robots, printed in 3D. The poetic basis is the possibility that nature has in hybridizing and evolving, spontaneously, as well as being hybridized by genetic manipulation. I propose the development of objects / beings that do not exist in the nature but refer and simulate behaviors of those who inhabit the world, in different kingdoms of Nature. I describe the first stage of the project, which focuses the Plantae kingdom (also known as Metaphyta). Afterwards of the Biomimicry (Biomimetics) and darwinian evolution concepts I bring the concept of Artification, as a possible model of understanding the poetic process, both in “VIRIDIUM” and in the works of the artists chosen.
A crítica de Hegel ao irracionalismo e seu diálogo com Schelling sobre o problema do infinito
Authors: Gonçalves Márcia Cristina
Published: April 2022

O objetivo último deste artigo é demostrar a atualidade da crítica de Hegel ao irracionalismo. A hipótese interpretativa a ser demonstrada é que o conceito moderno de irracional, cuja origem se encontra na linguagem matemática, está diretamente relacionado com o problema do infinito. Para melhor desenvolver essa questão, pretendo mostrar o diálogo de Hegel com Schelling, cujo diagnóstico sobre o problema da oposição entre finito e infinito nos sistemas filosóficos até sua época muito influenciou a própria concepção de filosofia e de razão do jovem Hegel.
The role of strategic flexibility in enhancing crisis management in the commercial banking sector during the COVID-19 pandemic
Authors: Alzuod Mohammad Abdalkarim , Alqhaiwi Laith Abdullah
Published: April 2022

It is important that strategic management ensure programs flexibility and continuous assessment to deal with the changes in strategies when dealing with other crises (Taymouri, Eslami, Fadaei, Delfan, & Ghasemi, 2014). Empirical findings are still lacking, specifically in the strategic flexibility-crisis management relationship (Yawson, 2020). The primary aim of this study is to examine crisis management among the commercial banks, during the COVID-19 pandemic and to conduct an empirical examination of the relationship between strategic flexibility and crisis management. The study data was gathered using a questionnaire survey, which was distributed to 242 Jordanian commercial bank branches managers. Out of the total (242) distributed questionnaire copies, 163 were returned and considered valid for analysis. Accordingly, data were analyzed using IBM SPSS Version 22 and the findings indicated that strategic flexibility significantly affected crisis management dimensions, namely prior to the crisis stage/crisis plans and during the crisis stage/crisis response. The statistical results supported statistically significant differences between each pair in light of experience level and education level of managers, in a manner that differences favored the highest experience category of over 10 years and the highest category of education of Ph.D. On the basis of the results, it is recommended that Jordanian commercial banks focus on strategic flexibility when planning their strategies in order to mitigate influences on crisis management
Concert for Double Bass ‘In Absentia’
Authors: Ivar Roban Krizic
Published: April 2022

The project “Concert for Double Bass ‘In Absentia’” explores the effects of spatial displacement between performer and audience on the production and reception of free improvised practices. An instrument fitted with contact speakers and placed in a space becomes a conduit for sound, creating a reversal of roles–the audience is present in the performance space while the performer streams an improvisation from another location. This setting breaks established conventions and expectations of a performance situation, and therefore allows for a thorough analysis of the various ways in which improvisatory practices are perceived and conceptualized. The framework of the performance provides stimulation resulting in a series of qualitative interviews with members of the audience on the topics of absence, classification, perception of musical form, distraction, and interaction. Through these interviews, clear irritations in relation to the absence of a performer have been observed. These initial irritations in turn stimulated heightened levels of imaginative thinking and listening during the performance. This project shows how an experimental performative setting can provide a starting point for subsequent theoretical research.
Aufbau Principle and Singlet-Triplet Gap in Spherical Hooke Atoms
Authors: Telleria Xabier , Ugalde Jesus , Lopez Xabier , Matito Eduard , Ramos-Cordoba Eloy , Rodriguez-Mayorga Mauricio
Published: April 2022

Singlet and triplet spin state energies for three-dimensionalHooke
atoms, i .e. electrons in a quadratic confinement, with even number of
electrons (2, 4, 6, 8, 10) is discussed using Full-CI and CASSCF type
wavefunctions with a variety of basis sets and considering perturbative
corrections up to second order. The effect of the screening of the
electron-electron interaction is also discussed by using a Yukawa-type
potential with different values of the Yukawa screening parameter (λee
=0.2, 0.4, 0.6, 0.8, 1.0). Our results show that the singlet state is
the ground state for 2 and 8 electron Hooke atoms, whereas the triplet
is the ground spin state for 4, 6 and 10 electron systems. This suggests
the following Auf bau structure 1s < 1p < 1d with
singlet ground spin states for systems in which the generation of the
triplet implies an inter-shell one electron promotion, and triplet
ground states in cases when there is a partial filling of electrons of a
given shell. It is also observed that the screening of electronelectron
interactions has a sizable quantitative effect on the relative energies
of both spin states, specially in the case of 2 and 8 electron systems,
favouring the singlet state over the triplet. However, the screening of
the electron-electron interaction does not provoke a change in the
nature of the ground spin state of these systems. By analyzing the
different components of the energy, we have gained a deeper
understanding of the effects of the kinetic, confinement and
electron-electron interaction components of the energy.
Frequency and risk factors of Unplanned 30-day readmission after Open heart surgeries: A retrospective study in A tertiary-Care-Center.
Authors: Almramhi Khalid G. , Aljehani Mohammed A. , Bamuflih Mohammed A. , Alghamdi Saad A. , Banser Sultan M. , Almousa Abdullah M. , Alabdulwahab Saleh A. , Al_ebrahim Khalid
Published: April 2022

Background: Unplanned 30-days readmission post cardiac surgery impose
higher risk for complications, increased cost and unfavorable event both
for the care provider and the patient. This study is to determine the
unplanned readmission rate, determinants and most common events within
thirty days post cardiac surgery . Recommendations to prevent or
minimize these complications are included. Method : Sitting and
design: A retrospective record review was conducted among all the adult
patients who underwent open heart surgery between January 2020 and
December 2021at King Abdulaziz University Hospital (KAUH), Jeddah,
Kingdom of Saudi Arabia. methods and material: Using Google Forms, we
manually collected data from hospital records. statistical analysis
used: binomial logistic regression model (using the backward stepwise
method). Regression outcomes were expressed as odds ratios (ORs) and
95%CIs. A p value of < 0.05 indicated statistical
significance. Results: Among 400 patients who underwent cardiac surgery,
343 patients were included in the study, 53 unplanned readmission, rate
of 16.3% (95%CI, 12.8 to 20.6%). The most frequently reported reasons
for readmission were sternal wound infections (7.3%), pleural effusion
(2.0%) and heart failure (1.7%). Female gender, high post operative
LDH and urea are the most important risk factors. Conclusion: Discharge
planning, patient education, and cardiac surgery nurse home visit
constitute the most important factors to minimize 30 days of unplanned
readmission.
Evaluation of the Effect of Preoperative HbA1c Value on Development of Postoperative Atrial Fibrillation in Diabetic Patients with On-Pump Coronary Artery Bypass Graft.
Authors: Yavuz Senol , Özsin Dr.Kadir Kaan , sanrı Dr.Umut Serhat , Toktaş Dr.Faruk , Özsin Meral , Eris Cuneyt
Published: April 2022

Background: We aimed to determine the relationship between
HbA1c levels and the development of postoperative atrial fibrillation
(PoAF) . Methods: 288 patients diagnosed with diabet and
undergoing on-pump coronary bypass were included in the study. Those
with serum HbA1c levels between 5.5-7.0% were defined as Group 1, those
with serum HbA1c levels between 7.1-8.9% were defined as group 2, while
those with serum HbA1c levels 9.0% and above formed Group 3. Data
between groups were compared. The predictive values of the independent
variables for the development of PoAF were measured. Results:
We did not found difference between groups in terms of development PoAF
(p=0.170). Presence of hypertension was determined as an independent
predictor for the development of PoAF (p=0.003) but not HbA1c levels
(p=0.134). There was 50.5% sensitivity and 61.1% specificity for HbA1c
values of 9.06% and above to predict PoAF (AUC: 0.571, p=0.049)
Conclusions: HbA1c levels were not an independent predictor of
PoAF development. However, we think that high HbA1c levels may be a risk
factor for the development of PoAF.
Seize the day, …s(e)ize the device: the emerging imaging modality to improve left atrial appendage device sizing
Authors: Tondo Claudio
Published: April 2022

There is still uncertainity about the use of CT-scan for LAAO device
sizing. The main reason for this disappointing position is likely to
relate to the scarcity of robust data, since there is still difference
among institutions with regards how to perform measurement of the
devices. Dallan et al. (1) report their own experience on the use of a
novel computed tomography angiography-based (CTA) for sizing the
Watchman Flex device for left atrial appendage occlusion (LAAO) . The
authors through the TruPlan software package that a pre-procedural CTA
sizing protocol can be applied successfully with ICE guidance and
provide excellent procedural outcomes.The applied CTA protocol is safe
and can provide high success rates with the WatchmanTM FLX device
reducing the number of deployment attempts and reducing the risk of
complications.
Acute generalized exanthematous pustulosis following COVID19 infection: an additional case report from Tunisia
Authors: Mohamed Mariem , korbi mouna , bouzid sana , Hadhri Rym , Zili Jameleddine
Published: April 2022

Coronavirus disease-19 (COVID-19) is an emerging global pandemic. Since
its emergence, the COVID-19-associated cutaneous manifestations have
been increasingly reported, and they are extremely polymorphic.We report
a case of acute generalized exanthematous pustulosis (AGEP) developed in
a Tunisian adult, a few days after recovery from severe COVID-19
infection
Transient left phrenic nerve paralysis after ethanol infusion into the vein of Marshall
Authors: Sasaki Wataru , Nakatani Yosuke , Take Yutaka , Kishi Shohei , Naito Shigeto
Published: April 2022

An 80-year-old man underwent catheter ablation for atrial tachycardia
(AT), which developed after catheter ablation for atrial fibrillation.
The AT was diagnosed as dual-loop tachycardia, which included
peri-mitral and roof-dependent ATs. An ethanol infusion into the vein of
Marshall resulted in left phrenic nerve paralysis. During the procedure,
the phrenic nerve paralysis was completely relieved.
Acquired Thrombotic Thrombocytopenic Purpura following inactivated COVID 19 vaccines: Two case-reports and a short literature review
Authors: Saida Imen Ben , Maatouk Iyed , Toumi Radhouane , Bouslama Emna , Ismail Hajer Ben , Salem Chaker Ben , Boussarsar Mohamed
Published: April 2022

The Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
outbreak from December 2019 causing millions of deaths all over the
world and the lack of specific treatment for severe forms of coronavirus
disease 2019 (COVID-19) has led to vaccines development in record time
with emergency use authorization in several countries increasing the
risk of vaccine safety issues. Recently, several cases of Thrombotic
Thrombocytopenic Purpura (TTP) have been reported following COVID-19
vaccination. TTP represents a life-threatening consumptive coagulopathy
requiring urgent diagnosis and prompt treatment. It is a rare disease
characterized by thrombocytopenia, microangiopathic hemolytic anemia and
ischemic end-organ lesions. It can be either congenital or acquired.
Various events such viral infections, medication, pregnancy,
malignancies, and vaccinations may cause TTP. Clinicians should consider
this diagnosis when evaluating thrombocytopenia in the post-vaccine
period. Here, we report two cases of acquired TTP following Sinopharm
COVID-19 vaccine (BBIBP-CorV) and Sinovac COVID-19 vaccine (CoronaVac).
Diagnosis was based on clinical presentation and confirmed with severe
reduction in the activity of von Willebrand factor-cleaving protease
ADAMTS-13 and the presence of inhibitory autoantibodies. The two
patients were successfully treated with corticosteroids, plasma exchange
therapy and rituximab in the acute phase. In the literature, the
reported cases of TTP induced by COVID-19 vaccination occurred after
Adenoviral Vector DNA- and SARS-CoV-2 mRNA-Based COVID-19 Vaccines. To
the best of our knowledge, this is the first report of acquired TTP
after inactivated virus COVID-19 vaccines. A short literature review
regarding acquired TTP patients following COVID-19 vaccines is also
included.
Giving Voice to Problematic Silences that Limit Demographic and Ideological Diversity in Accounting Education
Authors: Moore Louella
Published: April 2022

Conventional accounting pedagogies, certification structures, and publishing protocols are infused with biases that limit the parameters of discourse. Hirschauer’s (2006) ‘silence of the social’ and Bailey’s (2006) three characteristics of implicit religion—personal commitment, integrating foci, and intensive concerns with extensive effects—are used to give voice to structural elements in accounting pedagogy, certification programs, and publishing regimes that discourage ideological and demographic diversity. The author provides examples of how one might modify management accounting classes to (1) address demographic and ideological biases in conventional curriculum materials and (2) encourage critical thinking about issues that have do not have the objective answers favored within assurance of learning programs and certification exams. The paper concludes with seven suggestions for additional research and conversations that are needed to better understand and address indirect mechanisms that quietly perpetuate the profession’s problematic track record on diversity and inclusion.
A New Measure of Similarity in Textual Analysis: Vector Similarity Metric versus Cosine Similarity Metric
Authors: Srivastava Rajendra P.
Published: April 2022

This paper proposes a new similarity metric, Vector Similarity Metric (VSM), which is as simple as the popular Cosine Similarity Metric (CSM). The CSM has a major deficiency. It yields the same value, irrespective of how different the two vectors are in their sizes so long as the angle between them is the same. This deficiency remains intact even when Natural Language Processing is used to associate semantic meanings to the words/phrases and when the term frequency is modified using Inverse Document Frequency. This deficiency becomes a serious concern when one is comparing the risk profile of one company with the risk profile of another company or investigating the changes in the risk profile of a company from one year to another. The VSM is based on the difference of the two vectors. The paper demonstrates the superiority of VSM over CSM analytically and through real-world examples.
Relação entre equidade de gênero no ensino superior e desenvolvimento (tecnológico), em Moçambique
Authors: Tambe Telma Amorgiana Fulane , Da Costa Candida Soares , Gonçalves António Cipriano Parafino
Published: April 2022

O artigo analisa de que forma o desenvolvimento (tecnológico) afeta a participação das mulheres nas matrículas em áreas específicas de Ciências da Natureza, Engenharia, Agricultura e Saúde (CNEAS) do ensino superior, com base em indicadores socioeconômicos. Combinando duas fontes de dados nacionais: números do censo provincial e nacional do Instituto Nacional de Estatística/INE (2007; 2015; 2017a) e dados do Ministério da Ciência, Tecnologia, Ensino Superior e Técnico Profissional (MCTESTP), entre 2010 e 2015, estima-se a presença das mulheres em áreas específicas como tecnologia da informação, engenharia e saúde. Os resultados revelam maior participação das mulheres na capital Maputo; os indicadores de desenvolvimento socioeconômico e urbanização são preditores positivos à maior participação das mulheres nos cursos de saúde, mas preveem negativamente sua atuação em tecnologias de informação e engenharias.
Currículos de terapia ocupacional em universidades públicas do Nordeste
Authors: Nascimento Ângela Cristina Bulhões do , Bezerra Waldez Cavalcante , Calheiros David dos Santos
Published: April 2022

Após a Segunda Guerra Mundial, a demanda de atuação do terapeuta ocupacional no Brasil restringia-se à área da saúde, em razão dos sequelados de guerra. A partir de 1970, essa atuação foi ampliada para as áreas social e educação. As Diretrizes Curriculares Nacionais, entretanto, não preconizam como essas áreas devem ser abordadas nos currículos.  Analisar a ênfase das áreas da educação e social nos currículos de terapia ocupacional das Instituições de Ensino Superior públicas do Nordeste do Brasil. Trata-se de uma pesquisa qualitativa, descritiva e documental, que utilizou como fonte de análise os Projetos Pedagógicos de Curso da Universidade Federal de Sergipe, Universidade Federal da Paraíba, Universidade Federal de Pernambuco e Universidade Estadual de Ciências da Saúde de Alagoas, obtidos através dos sítios eletrônicos dessas instituições. A análise baseou-se na técnica da leitura flutuante, perpassando pelas proposições institucionais de perfil do egresso, as metodologias de ensino utilizadas para alcançar esse perfil, a matriz curricular e as práticas profissionais desenvolvidas durante a graduação. Todas as instituições propõem uma formação generalista em seus currículos. A inclusão das áreas social e educação entre os campos de atuação do terapeuta ocupacional não é unânime, e quando presentes, os módulos específicos dessas áreas nem sempre são obrigatórios. Ambas as áreas têm carência na oferta de estágios supervisionados, reduzindo as oportunidades às práticas desenvolvidas nos módulos específicos. Faz-se necessário repensar os currículos de terapia ocupacional e seus documentos norteadores, para contemplar de modo equânime todas as áreas de atuação desse profissional.
Memórias curriculares do município de Santo André (2005-2016)
Authors: Mancilha Maria de Lara Terna Garcia , Rosa Sanny Silva da
Published: April 2022

Este artigo é resultado de uma pesquisa que teve como objetivo recuperar as memórias curriculares de Santo André, município localizado na Região do Grande ABC Paulista, São Paulo. O estudo teve origem em meio aos debates e embates travados na rede municipal no contexto das discussões sobre a Base Nacional Comum Curricular (BNCC) ao longo do ano de 2017. O texto analisa e discute as continuidades e descontinuidades das políticas curriculares do município com base em análise de documentos oficiais e de entrevistas realizadas com professores que atuaram ao longo de três gestões municipais entre 2005 a 2016. Apoiando-se em aportes das teorias críticas do currículo, sustenta-se o argumento de que memórias curriculares configuram-se como patrimônio público e que recuperá-las é uma forma de resistência aos ataques feitos à democracia no atual cenário das políticas de educação no Brasil.
Generalizations of the Faraday problem in mechanical system "reservoir–liquid with a free surface"
Authors:   Taras Shevchenko Kyiv National University, Limarchenko O. , Konstantinov O. ,   Institute of Mathematics NAS of Ukraine
Published: April 2022

Two generalizations of the classical Faraday problem on development of parametric resonance in mechanical system "reservoir – liquid with free surface", namely, the effect of supplementary degree of freedom, i.e., possibility of horizontal motion of reservoir due to transversal motion of free surface of liquid, and effect of supplementary degree of freedom, i.e., possibility of angular oscillations of reservoir, which is suspended as pendulum, due to transversal oscillations of a free surface of liquid. Investigation is done on the basis of efficient nonlinear multimodal model, which considers combined motion of reservoir and free surface of the liquid. It was shown that, in contrast to the classical Faraday problem, dynamical processes in the system are developed as aggregate of parametric and forced mechanisms of oscillations. For the considered generalizations of the Faraday problem transition of oscillations of free surface of the liquid into nonlinear range of excitations is possible for any frequency of external vertical excitation of reservoir.
Assessment of Bioaccumulating Ability of Mariscus longibrateatus and Effects of Effluents from Kaduna Refinery and Petrochemical Company on the Plant
Authors: Atabor Manasseh E. , Ndibe Thankgod O. , Benjamin Benthai , Bakare Victoria , Ejuama Chizoba K.
Published: April 2022

The operations of Kaduna Refinery and Petrochemical Company (KRPC) lead to the generation of effluents. Plants growing in the drain are in constant exposure to these effluents. Mariscus longibrateatus, which is the most abundant plant species growing in the drain, was studied to determine the effects of the effluents on the plant. Plant samples and soil on which the plant grows, were analyzed for heavy metals. Manganese (1.30mg/g) and copper (1.30mg/g) had the highest concentration of heavy metals in the roots. The plant samples had thinner leaves than the control plant, which may be attributed to dehydration and some hidden injuries. The leaf whole vascular bundle of the studied plants ranged from 19085–20790µm2 whereas phloem and xylem area ranged from 3995 – 4290µm2 and 6584-7004µm2 respectively. Transfer and bioaccumulation factors revealed that heavy metals were not effectively transferred from the root to the stem, but the plant was able to survive in the drain containing KRPC effluents. It is concluded that the effluents caused some changes in the plant. It can be inferred that Mariscus longibrateatus are tolerant to the toxicants in the effluents, and therefore, this plant species is recommended for bioremediation study because of its tolerant ability to heavy metals.
Postharvest Losses along the Supply Chain of Potato in Bangladesh: A Micro-Level Study
Authors: Akter Khadiza , Sabur Shaikh Abdus , Ame Atia Shrmin , Islam Md Monjurul
Published: April 2022

This study aims to analyze the supply chain of potatoes and determine the factors affecting postharvest losses of potatoes at the producer level of Bangladesh. Data were collected through a face-to-face interview schedule from a sample of total 60- 30 farmers, 6 wholesalers, 5 aratdars, 5 retailers, and 14 consumers in Sirajdikhan and Sadar Upazila of Munshiganj district. Descriptive statistics (percentages, frequencies, etc.) and multiple linear regression analysis were used for this study. The result shows that channel 4 is the longest marketing chain in the study area which includes the marketing actors – farmers, aratdars, wholesalers, retailers, and consumers. In the supply chain of potatoes, the amount of postharvest loss is 6.6% for the producer’s level, 5.3% for the wholesale level, 1.10% for the aratdar level, and 2.1% for the retailer level in the study area. The regression model reveals that age and amount of production have a significant positive relationship, while experience has a significant negative relationship with the postharvest losses of potatoes. The study also shows that lack of storage facility (48.94%) and poor packaging system (32.73%) are the major reasons for occurring postharvest losses of potatoes. The farmers and intermediaries suggested that it is necessary to identify the maturity stage of potatoes at harvesting time (70%), improve the cold storage facility (56.67%), and improve the loading and unloading system (56.25%), etc. for reducing postharvest losses of potato.
Determinants of Covid-19 Vaccine Acceptance among Students: A Web-Based Global Survey
Authors: Irfan S. Fatima , Ahmed Noel Ayesha , Irfan S. Marriyah
Published: April 2022

Background: Acceptance of a COVID-19 vaccine is crucial to achieve sufficient immunization coverage to end the pandemic. After initially focusing on adults, the emphasis of vaccination is now being geared towards the younger generation. In order to mandate vaccines in schools and attain widespread vaccine uptake, it is important to understand the key determinants that influence students’ willingness to receive a COVID-19 vaccine. Hence, this study was designed to explore students’ willingness to receive a vaccine, their concerns regarding vaccination, and additional factors influencing COVID-19 vaccine acceptance.
Method: Descriptive analytic cross-sectional study using snowball and convenience sample technique was conducted from July - September 2021. Social media networks such as Twitter, WhatsApp and Instagram were used. Data from the student population of both genders receiving secondary and post-secondary education was collected from the Asia-Pacific, Middle East, Europe, and America (26-countries from all over the world). Descriptive statistics and Chi square tests were used. Multivariate logistic regression analysis was used to determine significant predictors for vaccine acceptance.
Results: A total of 201 participants completed the questionnaire (response rate 53%). We found considerably higher willingness (85%) to take a COVID-19 vaccine in the sample; highest among students in the West (95.0%), followed by Asia-Pacific region (84.0%) and the least among Middle East (80.0%). A statistically significant association (p = 0.000) was found between the female gender and the willingness for vaccine receival. Preserving health [OR 18.82, 95%CI 2.88-122.80], understanding the importance of vaccinations for protection against COVID 19 [OR 34.28, 95%CI 3.72-315.95], concerns about vaccine safety [OR 1.77, 95%CI1.21-28.78] and worry about potential side effects [OR 0.027, 95%CI 0.004-0.213] were significant predictors for vaccine acceptance.
Conclusion: The majority of students were willing to get the COVID-19 vaccine to protect their health; but there were concerns about safety and side effects. Greater understanding about the importance of the vaccine, for protection against COVID-19 was predictive of willingness to receive the vaccine. This study provided evidence for health authorities to provide clear information, reduce misinformation and design measures to address the fears and worries about the effects of the vaccine. Future qualitative studies should be directed towards understanding differences in students’ perspectives in depth.
Gynecomastia Establishing Etiological, Clinical Aspects and Surgical Management
Authors: Karti S. , Jalal A. , Chfiri A. , El Harti A. , Diouri M.
Published: April 2022

Gynecomastia is a benign unilateral or bilateral increase in glandular tissue in men with significant aesthetic and psychological repercussions. In some situations, it might be a symptom of an underlying condition. The management of gynecomastia is mainly based on an extensive etiological analysis made of an exhaustive endocrine assessment, and a radical or conservative adapted treatment allowing to obtain the best aesthetic result.
Through literature review some clinical cases, we establish different etiological, clinical aspects and management of gynecomastia.