bluuebunny/crossref_metadata_2025 huggingface dataset:
Mixed Reality Visualization System for the 3D sound intensity using PAGE method and spatial interpolation
Authors: Uchida Ayame , Okawa Yukiko , Ikeda Yusuke , Oikawa Yasuhiro
Published: February 2023

In the our previous study, we proposed the visualization system of three-dimensional sound intensity measured by handy 4-ch microphones using Mixed Reality. In the previous system, since the sound intensity was estimated by the cross-spectrum method. the error at the higher frequency
than the spatial Nyquist frequency becomes larger due to the microphone intervals. In addition, visibility of sound intensity map was degraded because the microphone array was moved by hands and the intervals of measurement points for sound intensity map are irregular. In this study, we improve
the previous mixed reality system for sound intensity by applying the PAGE method (Phase and Amplitude Gradient Estimation), which can accurately estimate the sound intensity up to higher frequencies. Furthermore, by using spatial interpolation of an irregularly-sampled intensity map, we improve
visibility of sound intensity map with mixed reality. The proposed system interpolates sound intensities at equal intervals from the sound intensities measured at irregular intervals. For evaluation, we conducted visualization experiments of sound intensities surrounding single loudspeaker.
Sound field reproduction based on Pressure Matching with transfer functions modeled by equivalent sources and image sources
Authors: Suzuki Yukika , Matsuhashi Haruka , Tsunokuni Izumi , Ikeda Yusuke
Published: February 2023

Pressure matching (PM) method is an effective method to control a sound field using many loudspeakers. It is difficult to implement PM method because it requires multi-point room impulse response (RIR) measurements. Multi-point measurements are challenging because they require a large
number of microphones and a narrow sampling interval when dealing with high frequencies. Therefore, to synthesize a sound field in a local region, we proposed a PM method using estimated RIRs from only a small number of measurements based on the sparse Equivalent Source Method (ESM). In the
previous method, we modeled the transfer functions considering only the direct sound from the loudspeaker. However, when the sound field is synthesized in the actual environment, the reflected sounds must be considered. In this study, we propose a PM method using the estimated transfer functions
by sparse ESM based on the image source method considering the direct sound and early reflected sounds. In the experiment, we evaluated the accuracies of synthesized sound field by the proposed method compared to the methods only considering the direct sound.
Flow Acoustic Interaction In A Rectangular T-Junction With Mounted Perforate Using Acoustic Three-Port Measurements
Authors: Shah Shail , Bodén Hans , Boij Susann
Published: February 2023

Varying acoustic behaviour of perforates in presence of grazing flow and under acoustic excitation from different directions has been under research since mid-1950s. Empirical and semi-empirical studies have shown differing behaviour of the perforate transfer impedance in presence of
grazing flow. Studying a perforated plate in a rectangular T-Junction, this study aims to study the perforate from three acoustic incidence directions. Scattering matrix and the acoustic transfer impedance are determined experimentally under the presence of external grazing flow to characterise
the perforate and the T-Junction. In accordance with previous research, an oscillating behaviour of amplification and attenuation is observed in the empty T-Junction. Results obtained of the perforate show a similar oscillating behaviour. Comparing with the rectangular T-junction, the similarity
in the flow acoustic behaviour of a perforate is shown.
Enhancing the Dutch engineering calculation method.
Authors: Kok Arnaud
Published: February 2023

With the advent of new legislation, we have taken the opportunity to take a serious look at the Dutch national calculation method. This method, which is similar to ISO9613-2, needed enhancements to allow for the increasingly complex world outside. Objects like leaning barriers or diffracting
elements on barriers are seen more and more. The 3D datasets that are available for noise models are much more complex compared to the time, many years ago, when these calculation methods were conceived. To allow for these situations we have enhanced our method. Reflections can now occur in
3D. This allows for leaning barriers. We take the size of objects into account to determine the fraction of noise reflected. Based on the CNOSSOS implementation a direction dependent meteorological correction is now used. Methods to account for diffracting elements in the ground and on barriers
have been developed. The result is a method which is more robust. Many of these enhancements could also be used in other methods like CNOSSOS or other engineering calculation methods. In this presentation I will show you how these enhancements have improved our method and can be used to produce
better noise maps and calculate more accurate noise levels.
Differences in acoustic characteristics of hitting sounds in baseball games
Authors: Futamura Ryohei
Published: February 2023

In sports, athletes use visual and auditory information to perform full-body exercises. Some studies reported that auditory information is an essential cue for athletes: They utilized auditory information to predict ball behavior and determine body movements. However, because athletes
instinctively use situation-related sounds, there is no systematic methodology to improve auditory-based competitive ability. Few studies attempted to approach the utilization of sound in games from the perspective of acoustics, and the functional acoustical features have not been quantitatively
revealed. Therefore, the objective of this study is to clarify the acoustical characteristics of auditory information to maximize its utilization in baseball games. In particular, to analyze the acoustical features of batted ball sounds that enhance defensive skills, we conducted acoustic
measurements of batted ball sounds in realistic situations. The results showed that the peak gain values of fly and liner batted balls were greater than those of grounder, and the frequency components included in the hitting sound were also different among them.
Experiments and Modelling on the Effect of an Adjustable Boundary on Thermoacoustic Stability
Authors: Blondé Audrey , Schuermans Bruno , Noiray Nicolas
Published: February 2023

Predicting the existence of thermoacoustic instabilities is a key step in the design of modern gas turbines and the choice of their operating conditions. The stability of a combustion system crucially depends on the acoustic boundary conditions. To systematically investigate the influence
of these boundary conditions, a test facility with variable inlet and outlet geometries has been developed. Cold flow tests confirmed that the acoustic terminations allow for a change of the reflection coefficient from close to open end to anechoic to almost closed end over a large frequency
range. In the present work, we present the design of an adjustable exit boundary enabling a change in the thermoacoustic stability without modifying the flame operating conditions. Experiments have been conducted in a turbulent axial atmospheric combustor. The acoustic reflection coefficients
in hot condition of the exit boundary are measured for different boundary geometries and the impact of these geometries on the flame stability is assessed. A parametrized model is derived and reproduces the experiments well.
Inverse Design of Linear and Nonlinear Cylindrical Metamaterial Rod
Authors: Ghodake Pravinkumar
Published: February 2023

Continuum elastic metamaterials can be used to reduce system-generated 2nd harmonics and they should also pass the fundamental harmonics during nonlinear ultrasonic testing. Linear metamaterials are designed based on the bandgap structure of the periodic layered materials showing contrast
in acoustic impedances. Design parameters such as widths of the periodic layered elastic materials are calculated by a parametric sweep by solving eigenvalue problems, and the transfer matrix method. Most of the design studies assume infinitely long periodic elastic layers, but in practice
length of metamaterial is limited by the reduction in fundamental amplitude of input short pulse. Though the linear metamaterials are designed for nonlinear ultrasonic applications, considering geometric and material nonlinearity of the layered elastic materials which contributes to harmonic
scattering, the sensitivity of widths of layered materials to amplitudes of the 2nd harmonics, along with the linear interference is the most realistic modeling approach. In this study, linear and nonlinear metamaterials are designed using shape optimization techniques by solving transient
finite element studies considering realistic geometric and material models. Gradient-free algorithms such as co-ordinate search and Nelder Mead are used during optimization. Effective design approaches are proposed and demonstrated to control longitudinal modes in a cylindrical rod.
Automation of a National Noise Model
Authors: Trow James , Wilczek Magdalena , Fedyk Katarzyna , Shilton Simon , Stapelfeldt Hartmut , Wong Raymond
Published: February 2023

The United Kingdom Department for Food and Rural Affairs (Defra) commissioned the design and build of an environmental noise modelling system (NMS). The NMS has been developed to support Defra in developing its environmental noise evidence base by preparing national road and railway
noise models. This paper discusses the automation aspects of the NMS with respect to the various elements required for a noise model. This includes the development of sophisticated data processing engines and the techniques utilised to automate the delivery of a 3-dimensional noise propagation
environment, and road and railway noise emissions. It highlights several innovative methods which are now possible due to the data landscape in England and how through open data standards the NMS has the potential to improve the fidelity of national noise models.
Study of vertical noise profile through Helium-filled-balloon measurements in the city of Milan, Italy
Authors: Benocci Roberto , Angelini Fabio , Zambon Giovanni
Published: February 2023

Considering the actual "vertical" housing development in the last few decades, the number of people living in high-rise building is increasing. At present in the city of Milan about 500 (0.4% of total) buildings exceed the height of 50 m, with a number of residents of about
14000 (1% of total). For this reason, we planned an experimental campaign to study the vertical noise profile through Helium-filled-balloon measurements in the city of Milan, Italy. Results show that the noise levels increase with the height with respect to a ground-reference measurement,
as a result of the contribution coming from an extended area. The highest levels are reached at about 90 m. Critical issues regarding this measurement technique are also outlined.
Why noise control must be considered in the context of sustainable development
Authors: Waaranperä Monica
Published: February 2023

The United Nations 2030 Agenda for sustainable development comprises 17 Sustainable Development Goals (SDGs) of interlinked social, environmental and economical dimensions. Since noise and noise control are not directly apparent in any of the goals, Dr. Eoin King from the NUI Galway,
presented an article at the Internoise 2021 conference with the objective of sparking "a debate about how noise might be further considered in the context of sustainable development". Inspired by Dr. King´s article, this paper presents examples from the planning of two new
railroad lines in Sweden, where the Swedish Transport Administration has based the goals of the projects on the 2030 Agenda. Different SDGs have been applicable for different aspects of the projects. For traffic noise the SDG nr 3 - Good Health and Well-being, and nr 11 - Sustainable Cities
and Communities, are considered the most relevant. The reasoning and the method to integrate the SDGs in the railroad projects are described and discussed in the paper. The author also emphasizes the importance of including noise in the SDGs for infrastructure projects, by expressing why noise
control must be considered in the context of sustainable development, especially from the viewpoint of the 10th SDG - Reduced Inequality.
Sensitivity of Input Parameter on CNOSSOS-EU Railway Emission Levels
Authors: Phillips Jonathan , Trow James , Shilton Simon
Published: February 2023

The United Kingdom Department for Food and Rural Affairs (Defra) commissioned a series of studies investigating the sensitivity of the CNOSSOS-EU noise assessment method. CNOSSOS-EU presents challenges in terms of input data accuracy and availability. For this reason, the studies were
commissioned to support data decision making and quantify potential uncertainty in Defra's national noise model. The quality framework set out in Directive 996/2014 requires uncertainty in rail emission levels at source to correspond to an uncertainty of ±2dB(A). Due to the CNOSSOS-EU
rail emission model being of multivariate complexity, and the multitude of possible parameter combinations, a scenario and parametric-based approach was taken to the study. The variation in rail emission levels was presented for each parameter for a set of rail vehicle speeds and rail infrastructure
scenarios. The results of the analysis indicated which input parameters the CNOSSOS-EU rail noise emission model is most sensitive to. It was found that emissions are most sensitive to changes in the number of axles on the vehicle (i.e. wheel / rail interaction), the density of track joints
(impact noise), the curvature of the track (squeal noise), and the construction of bridges (structural resonances). However, the choice of rail roughness, vehicle transfer function, and track transfer function (except in the case of direct fastenings) were found to have a limited impact on
rail emission levels.
LIFE project Cool & Low Noise Asphalt: monitoring the acoustic performance of low noise pavements in the city center of Paris
Authors: Bernfeld David , Ribeiro Carlos , Mietlicki Fanny , Lefebvre Jérôme , Custodi Giulia
Published: February 2023

In 2012, the City of Paris launched an experiment on a 200 meters section of the Paris ring road to test low noise pavements and their acoustic and mechanical durability over time, in a context of heavy road traffic. Bruitparif maintained a permanent noise measurement station to monitor
the acoustic efficiency of the pavement over several years. Follow-ups have recently been implemented by Bruitparif in the vicinity of dwellings near major road infrastructures crossing the Ile-de-France territory, such as the A4 and A6 motorways. Today, for ring roads and motorways with traffic
speed limits of 70 and 90 km/h respectively, the benefits of using low noise pavements is demonstrated. It is now interesting to study the contribution of low noise pavements in downtown areas with speed limits of 50 km/h or less. As part of the European LIFE "Cool & Low Noise Asphalt"
project led by the city of Paris, in which Bruitparif is a partner, three innovative asphalt pavement formulas are being tested to fight noise pollution and global warming on three heavily exposed Parisian sites. Asphalt mixes combine acoustic, thermal, mechanical properties and durability.
This article presents the latest results.
Socioeconomic inequalities in burden of disease due to traffic noise in the Nordic countries
Authors: Bolling Anette Kocbach , Thacher Jesse Daniel , Klitkou Søren Toksvig , Baravelli Carl Michael , Andersson Eva , Stockfelt Leo , Vincens Natalia , Sørensen Mette , Turunen Anu , Yli-Tuomi Tarja , Ögren Mikael , Kollanus Virpi , Lanki Timo , Selander Jenny , Sulo Gerhard , Aasvang Gunn Marit
Published: February 2023

Environmental noise is the second largest environmental risk factor in disease burden estimates for Europe. While socioeconomic inequalities in noise exposure have been reported, the impact of socioeconomic status (SES) on the disease burden attributable to noise exposure has to our
knowledge not been reported previously. The aim of this study is to assess the impact of SES on traffic noise exposure and the associated disease burden in selected Nordic populations. We employed nationwide data on road traffic noise exposure and SES from Danish and Norwegian Nationwide Models.
The impact of household income and education on traffic noise exposure was assessed using linear regression analyses. Burden of disease estimates were calculated for populations stratified according to their level of income and education in terms of Disability-Adjusted Life Years (DALY) for
high degree of noise annoyance, high degree of sleep disturbance and ischaemic heart disease. The most consistent finding observed for the Danish population was that, compared to medium and low household income, high household income was associated with lower noise exposure. Moreover, the
burden of disease estimates for high noise annoyance were up to 20% lower in the high compared to the lower household income groups.
Focal spot enhanced by artificial iterative phase conjugated twin-line planar array
Authors: Li Ting , Kou Zhu , Wang Jiajing
Published: February 2023

It has been proven that the artificial iterative phase conjugated linear array can enhance the focus. In this paper, twin-line planar array based on artificial iterative phase conjugated processing focuses a point-like source in a homogenous medium. Theory analysis and numerical simulations
give conclusions. Contrasting with phase conjugation, artificial iterative phase conjugated twin-line planar array focuses a small focal spot and low sidelobes. Meanwhile, focal size and sidelobe amplitude decrease as iterate number increases. Furthermore, the focal spot size becomes sharp
if the distance between the two linear array is larger than half a wavelength.
Characteristics of powders that cause sound absorption in the low frequency range due to longitudinal vibration in lightweight and fine powders
Authors: Sakamoto Shuichi , Saito Ren , Jindai Keisuke , Ikeda Koki
Published: February 2023

In this paper, focus is placed on "lightweight and fine powders" which have small particle size and bulk density and exhibit unique sound absorption characteristics at low frequencies due to longitudinal vibration of powder particles. Theoretical analysis of the sound absorption
coefficient of powder layers requires the peak frequency of sound absorption measured experimentally. In this study, we clarified the relationship between powder properties and sound absorption characteristics, and predicted the sound absorption coefficient of the powder layer from the experimental
equation based on the accumulated data. This made it possible to classify powders in which sound absorption due to longitudinal vibration occurs based on the relationship between the "areal density per particle layer," which is indicated by "particle size multiplied by bulk
density," and the peak sound absorption value. Moreover, from the plot of "areal density per particle layer" and "first-order sound absorption peak frequency from experiment," the experimental formula for the first-order sound absorption peak frequency was regressively
obtained. By using the experimental equation obtained in this study, it was possible to show how to estimate the sound absorption coefficient from the properties of each powder alone.
Spatial Interpolation of Early Room Impulse Responses Using Equivalent Source method based on Grouped Image Sources
Authors: Matsuhashi Haruka , Tsunokuni Izumi , Ikeda Yusuke
Published: February 2023

The Room Impulse Response (RIR), which indicates the propagation characteristics of sound, is used in various acoustical applications. In particular, multi-point measurement of RIRs is important for applications that require spatial information, and measurement of these is difficult.
Previously, spatial interpolation methods of RIRs based on physical models have been proposed. Especially, the sparse Equivalent Source Method (ESM) with Image Source Method (ISM) acheive the spatial interpolation of the early reflected sounds with higher accuracy at high frequency. However,
this method has a problem that when the order of reflected sounds to be estimated increases, it becomes difficult to find the optimal solutions because the number of bases increases. In this study, to reduce the number of bases in each optimization problem, we proposed a sparse ESM with the
image sources grouped by the arrival times of reflected sounds. The optimization problem for each group of image sources is individually solved. In the simulation experiment, it is revealed that the proposed method can estimate higher-order reflections with higher accuracy compared to the
conventional method. In addition, we found that the estimated region with high accuracy became broader.
Financiando el desarrollo. El rol de la banca multilateral en América Latina”. ASINELLI, Christian. Ed. Vértice de Ideas, 2021.
Authors: Abbondanzieri Camila
Published: February 2023

"Desde finales de la década del cuarenta hasta la actualidad, el debate acerca del financiamiento del desarrollo fue posicionándose como un asunto crucial de la agenda global. De manera creciente, un vasto conjunto de actores internacionales comenzó a involucrarse en la discusión de esta materia. Así, progresivamente, Estados en sus niveles nacionales y subnacionales, organizaciones internacionales y empresas transnacionales, entre otros, fueron diseñando y poniendo en práctica diversas estrategias para abordar una o algunas de las aristas que componen la intrincada problemática del financiamiento del desarrollo..."
La batalla naval por Tenochtitlan
Authors: Montero García Ismael Arturo
Published: February 2023

La batalla por Tenochtitlan fue una conflagración motivada por el descontento que causaba el excesivo tributo y la demandante imposición de fuerza de trabajo exigida por el Estado Mexica a los pueblos sometidos. El movimiento bélico en contra de Tenochtitlan fue estimulado por la irrupción de Occidente en Mesoamérica y el debilitamiento de la Triple Alianza. Poco a poco desde 1519, se fue conformando una numerosa hueste indígena multiétnica adversaria de los mexicas, que alentada por la capacidad de fuego de los europeos se hacía suficientemente poderosa para enfrentar al Pueblo del Sol en 1521. Hernán Cortés sabía que solo atacando por el Lago de Texcoco obtendría la victoria definitiva sobre México-Tenochtitlan; por tierra, arremetiendo por las calzadas no tendría éxito, eran estrechas y bien defendidas. Requería de una fuerza naval suficiente y eficiente para capturar la capital insular.
Las mujeres en la defensa de Tenochtitlan
Authors: Ramírez Ruiz María del Pilar
Published: February 2023

Este artículo analiza el papel que desempeñaron las mujeres en la conquista. El cual sólo puede entenderse si conocemos el contexto dentro de la sociedad mexica. Si bien, en el México prehispánico las mujeres no solían tener un trato igualitario, existe registro sobre sus actividades en términos de rol de género, así como un papel complementario en una cosmogonía dual.

Es a través del dato arqueológico, así como en los códices y fuentes historiográficas que se revela la participación de las mujeres en temas bélicos, que estaba destinado a los varones. En este se pretende analizar desde una perspectiva diferente su identidad económica y social, creando condiciones para la defensa de su familia, comunidad y ciudad, de la cual formaban parte.
Lagunas, David (2022). Dislocaciones. Etnografía y antropología en Iberoamérica
Authors: Gómez Jiménez Jesús
Published: February 2023

Esta obra supone un artefacto extraño dentro del panorama actual antropológico poco dado a obras de envergadura, donde recojan en una sola publicación los textos más representativos de toda la trayectoria intelectual de un autor. Esta obra pretende justamente eso: presentar una vista panorámica del viaje intelectual de David Lagunas, tanto para aquellos que quieran hacerse una idea de su pensamiento como los que busquen profundizar en aspectos concretos. Por lo tanto, el lector que se anime a adentrarse en esta obra se encontrará una grata sorpresa por dos motivos.
Hipotermia terapéutica para tratamiento de encefalopatía hipóxico-isquémica del recién nacido asfixiado: Características clínicas, radiológicas y electrográficas de los neonatos atendidos en el Instituto Nacional Materno Perinatal
Authors: Medina-Alva Maria del Pilar , Alvarado-Merino Rosa , Velásquez-Acosta Pablo
Published: February 2023

La encefalopatía hipóxico-isquémica (EHI) es el síndrome neurológico causado por la asfixia perinatal. La hipotermia terapéutica (HT) ha demostrado reducir la mortalidad y morbilidad asociadas a EHI. Se realizó un estudio descriptivo retrospectivo con 30 recién nacidos con EHI moderada y severa que recibieron HT en la Unidad de Cuidados Intensivos del Instituto Materno Perinatal desde setiembre de 2017 a noviembre de 2020. Nueve de los casos fueron severos (30 %). El tiempo promedio de ingreso a HT fue 3.4 horas de vida. No se registraron efectos adversos importantes atribuibles a HT. Todos los pacientes severos tuvieron crisis epilépticas, ecografías cerebrales de ingreso y resonancias con anormalidades. La mortalidad fue de 20.0 %, aunque fue significativamente menor en el grupo con EHI moderada. Se identificaron las características de presentación clínica, electrográfica y radiológica de los neonatos con EHI que recibieron hipotermia terapéutica, la cual se muestra como un procedimiento seguro y efectivo.
Control metabólico y su relación con enfermedad arterial periférica en sujetos con diabetes mellitus tipo 2: Estudio caso-control pareado
Authors: Quijandría-Cárdenas Giuliana , Bustamante María de Fátima , Pantoja Lilian R. , Sáenz-Bustamante Sofía , Yovera-Aldana Marlon
Published: February 2023

Objetivo: Evaluar la relación entre control metabólico y enfermedad arterial periférica (EAP) en pacientes con diabetes mellitus tipo 2 (DM2) del hospital María Auxiliadora (HMA). Material y métodos: Estudio caso-control pareado para sexo, de un análisis secundario basado en datos del servicio de endocrinología del HMA, Lima-Perú. Los casos con EAP, fueron aquellos con índice tobillo-brazo (ITB) < 0,9. Los controles fueron aquellos con ITB entre 0,9 y 1,3 en una relación 4:1 con respecto a los casos. Se definió como mal control metabólico si presentaron al menos uno de las siguientes: hemoglobina glicosilada ≥ 7 %, presión arterial sistólica ≥ 140 mm Hg, presión arterial diastólica ≥ 90 mm Hg, colesterol HDL< 40 mg/dl (varón) o < 50 mg/dl (mujer), colesterol LDL ≥ 100 mg/dl y triglicéridos ≥ 150 mg/dl. Se calculó el Odds ratio (OR) de mal control metabólico, tanto crudo como ajustado, según presencia de EAP mediante regresión logística. Resultados: Incluimos a 39 casos y 157 controles. Un 94,9 % y 82,2 % de los casos y controles presentaron mal control metabólico respectivamente (p<0,05). Al ajustar a edad, tiempo de diabetes, índice de masa corporal y antecedente de tabaco, los pacientes con mal control metabólico presentaron un OR de 5,45; (IC 95% 1,17 – 25,2); p=0,030 de presentar enfermedad arterial periférica definido por ITB<0,9. Conclusión: El mal control metabólico presenta una relación independiente con EAP en pacientes con DM2 del Hospital María Auxiliadora. Metas terapéuticas centradas solo en la glicemia, elevarían la carga de enfermedad de complicaciones macrovasculares.
Stable-operation design and fabrication results of a battery-less wireless-sensor interface IC with a switched-capacitor frequency-locked-loop circuit
Authors: Sato Hiroki , Ishiwata Hiroyuki , Murata Shinji , Ishihara Noboru , Ito Hiroyuki
Published: February 2023

This paper describes a method of designing a wireless-sensor interface integrated circuit that operates without a battery. Stable operation at low power is realized by integrating three kinds of circuit techniques: (i) a radio-frequency backscatter circuit for wireless sensing without power consumption, (ii) a sensor interface circuit with a frequency-locked loop for stable operation, (iii) and an energy harvester circuit with a power management function for battery-less operation. The circuit was fabricated using 0.13 μm CMOS process technology for design verification. We realized battery-less wireless sensing with intermittent operation and achieved high stability against process, voltage and temperature variations. The sensor information was obtained from the frequency variation of the radio-frequency backscatter signal. The integrated circuit was operated with radio-frequency signal power input exceeding −5 dBm. The integrated circuit dissipated less than 107.5 μA. The communication distance was 0.8 m at 920 MHz for 250 mW equivalent isotopically radiated power.
Effects of a DMPC molecular film surrounding microbubbles on the sound-pressure threshold for collapse
Authors: Kobayashi Reina , Narita Jun , Krafft Marie Pierre , Koyama Daisuke
Published: February 2023

We investigated the effects of a 1,2-dimyristoyl-sn-glycerol-3-phosphocholine (DMPC) molecular film surrounding microbubbles on their collapse under ultrasound irradiation. We defined the ejection of the internal gas from the microbubble (i.e. “daughter” bubbles) as bubble collapse. In particular, we measured the sound-pressure thresholds for microbubble collapse in water and a DMPC solution. Bubbles with the DMPC film had a smaller resonance size than naked bubbles. The measured contact angles of the bubbles were lower after collapse, implying that DMPC molecules on the bubble surface partially desorbed between the processes of vibration and collapse.
Itinerario nella Francia tra XII e XIII secolo. Il trovatore Dalfi d’Alvernhe e la sua corte, tra relazioni politiche e produzione poetica
Authors: Cresci Francesca
Published: February 2023

Il presente articolo si propone di studiare i legami di rapporto diretto e indiretto che Dalfi d’Alvernhe (XII-XIII secolo), signore e trovatore provenzale, intrattenne con le personalità della sua epoca allo scopo di costruire una mappa delle relazioni che si formarono intorno all’importante centro letterario costituito dalla sua corte.
Vita e paesaggi montani nella produzione di Giuseppe Giacosa
Authors: Petrocchi Alice
Published: February 2023

Il presente saggio indaga la produzione letteraria di Giacosa con l’intento di ricostruire le molteplici forme di rappresentazione del paesaggio alpino. Si cercherà di mostrare come, nelle pagine dell’autore, l’ambiente montano non assuma meramente tratti idilliaci, come talora si è sostenuto, ma venga rappresentato in modo più personale e articolato, adattandosi a differenti generi letterari.
Ripercorrere la poetica di Libero de Libero: Le odi come mappa del vissuto autoriale
Authors: Caporiccio Elisa , Conti Ugo
Published: February 2023

Il contributo vuole impiegare un duplice approccio per leggere Le odi di de Libero come “nucleo poetico” autonomo e mappa di luoghi e temi più cari all’autore. Nella prima parte si ripercorrono le vicende editoriali che hanno portato Le odi ad assumere il loro finale assetto in Scempio e Lusinga; all’approccio filologico si affianca, nella seconda sezione, un commento degli elementi paesaggistici ricorrenti nei testi.
Giuseppe Dessì, Villacidro e la Sardegna: coordinate, possibilità e prospettive di una cartografia letteraria
Authors: Mura Maria Luisa
Published: February 2023

Il presente contributo intende interrogare la cartografibilità e la carticità della letteratura di Giuseppe Dessì (1909-1977), in prospettiva geocritica e patrimoniale. Due sono i quesiti sostanziali entro cui la riflessione si orienta: quanto un approccio cartografico alla narrativa dessiana si avvera necessario alla comprensione dei suoi paesaggi letterari (una cartografia cognitiva); in che misura uno studio sul grado di carticità della sua scrittura appare rivelatorio nella messa in atto di percorsi di costruzione e riappropriazione memoriale dei territori entro cui il testo si struttura (una cartografia patrimoniale). Tali quesiti appaiono determinanti nella comprensione della sua Sardegna letteraria.
Costruire libri «secondo il grado di latitudine»: il metodo geografico di Francesco Algarotti
Authors: Romanelli Martina
Published: February 2023

Scrivendo di letteratura (traduzioni, metrica, stilistica…), alla scelta di autori e testi appartenenti a latitudini diverse Francesco Algarotti associa un preciso programma ideologico e un altrettanto netto giudizio sullo spirito nazionale dei contemporanei. Un riordino geografico delle fonti, insomma, che si articola e trasfigura tra sodalizi, punte polemiche e, non ultime, ambiguità sfuggenti.
Faktor-Faktor yang Mempengaruhi Motivasi Perawat Untuk Melanjutkan Pendidikan Tinggi Keperawatan
Authors: Qinara Alfitria , Yulia Sri , Romiko Romiko
Published: February 2023

Latar Belakang :  Fasilitas pelayanan kesehatan mempunyai tugas utama memberikan pelayanan kesehatan yang berkualitas dan aman bagi masyarakat. Keberhasilan pemberian asuhan keperawatan oleh perawat baik di Rumah Sakit maupun di pelayanan primer ini perlu didukung oleh mekanisme upaya peningkatan profesionalisme perawat. Salah satunya adalah melalui pendidikan keperawatan. Penelitian bertujuan untuk mengetahui faktor – faktor yang berhubungan dengan motivasi perawat untuk melanjutkan pendidikan pada jenjang pendidikan yang lebih tinggi di Rumah Sakit Muhammadiyah Palembang  Tahun 2018. Metode : Penelitian ini merupakan penelitian kuantitaf yang menggunakan metode survey analitik dengan pendekatan cross sectional. Survey analitik adalah survey atau penelitian yang mencoba menggali bagaimana dan mengapa fenomena kesehatan itu terjadi. Hasil : Hasil penelitian menunjukkan bahwa semua variabel tidak berhubungan dengan motivasi perawat untuk melanjutkan pendidikan: sosial ekonomi (p-valeu : 1,000), jenjang karir (p-value : 0,626), penghargaan (p-value : 0,802) dan dukungan atasan (P-value : 0,873). Simpulan : Faktor sosial ekonomi, jenjang karir, penghargaan dan dukungan atasan tidak berhubungan dengan motivasi perawat untuk melanjutkan pendidikan.
Faktor Penyebab Kejadian Gastritis di Indonesia : Literature Review
Authors: Suwindri Suwindri , Tiranda Yulius , Cahya Ningrum Windy Astuti
Published: February 2023

Latar belakang: Kejadian gastritis di Indonesia masih memiliki prevalensi yang tinggi. Kejadian gastritis di Indonesia dapat menyerang semua lapisan masyarakat dari semua lapisan umur. Sehingga sampai saat ini kejadian gastritis masih menjadi salah satu masalah penyakit terbesar di Indonesia. Gaya hidup yang tidak sehat dapat dilihat dari apa yang dikonsumsi, kebiasaan makan dan minum yang buruk, hal ini dapat menyebabkan terjadinya peradangan pada lambung. maka dari sekian banyak faktor yang ditemukan dalam penelitian peneliti tertarik untuk mengkaji faktor-faktor penyebab terjadinya gastritis. Tujuan: Tujuan literature review ini untuk mengeksplorasi faktor-faktor penyebab kejadian gastritis di Indonesia. Metode Penelitian: Penelitian ini menggunakan pendekatan literature riview dengan 4 database elektronik yakni, perpusnas, pubmed, garuda, dan neliti yang dipilih antara tahun 2015-2020. Kata kunci yang digunakan yaitu gastritis akut dan gastritis kronis dan faktor penyebab. Dari 462 artikel yang diidentifikasi, di dapatkan 16 artikel yang memenuhi inklusi. Artikel yang di review didapatkan dari hasil diskusi dan validasi antara peneliti dan pembimbing dengan menggunakan Prisma Guideline. Hasil: Dari 16 artikel yang di review terdapat 9 faktor yang menjadi penyebab kejadian gastritis. Faktor jenis makanan, frekuensi makan, porsi makan, stress, konsumsi alkohol, konsumsi kopi, merokok, jenis kelamin dan usia. Kesimpulan: Dari literature riview artikel yang didapatkan peneliti, terdapat 9 faktor penyebab gastritis. Faktor pola makan meliputi jenis makanan, frekuesi makan dan porsi makan, dan stress, konsumsi kopi, kebiasaan merokok, jenis kelamin dan usia merupakan faktor yang bisa menyebabkan terjadinya gastritis. Dan dari 2 artikel didapatkan bahwa minum alkohol bukan merupakan faktor  resiko terjadinya penyakit gastritis.
Pengaruh Relaksasi Otot Progresif Terhadap Kadar Gula Darah Pasien Diabetes Melitus Tipe II di RSUD Ibnu Sutowo
Authors: Juniarti Indah , Nurbaiti Meta , Surahmat Raden
Published: February 2023

Latar Belakang: Diabetes Melitus (DM) adalah kelainan metabolik dimana ditemukan ketidak mampuan untuk mengoksidasi karbohidrat. Salah satu terapi yang dapat dilakukan yaitu dengan latihan pergerakan, Relaksasi otot progresif merupakan jenis latihan yang berfokus pada pengencangan dan relaksasi kelompok otot berurutan. Relaksasi otot progresif dapat memfasilitasi konsumsi oksigen tubuh, meningkatkan metabolisme, mempercepat pernapasan, mengendurkan ketegangan otot, menyeimbangkan tekanan darah sistolik dan diastolik, dan meningkatkan gelombang otak alfa. Tujuan: Penelitian ini bertujuan untuk mengetahui pengaruh relaksasi otot progresif terhadap penurunan kadar gula darah pasien diabetes melitus tipe II di RSUD Dr. H. Ibnu Sutowo Baturaja Tahun 2021. Penelitian dilaksanakan pada Bulan Juni tahun 2021. Metode: Penelitian ini menggunakan metode kuantitatif quasy eksperimental dengan pendekatan one group pre test - post test desaign. Populasi dalam penelitian ini adalah pasiendiabetes melitus tipe II dengan tehnik Accidental sampling. Analisis data dilakukan secara univariat dan bivariat dengan menggunakan uji Wilcoxon. Hasil: Hasil penelitian ini menunjukkan Ada pengaruh relaksasi otot progresif terhadap kadar glukosa darah pasien Diabetes Melitus Tipe 2 di RSUD Dr. H. Ibnu Sutowo Baturaja Tahun 2021 dengan p value (0,000). Kesimpulan: Relaksasi otot progresif efektif menurunkan kadar gula darah. Saran: Rumah Sakit untuk dapat menerapkan terapi Relaksasi otot progresif ini pada intervensi untuk penanganan pasien diabetes melitus tipe 2 dan memberikan informasi kepada keluarga pasien tentang manfaat relaksasi otot progresif.
HUBUNGAN PERNIKAHAN DINI DENGAN KEJADIAN ANEMIA PADA IBU HAMIL DI KABUPATEN KEPAHIANG PROVINSI BENGKULU
Authors: Purnama Yetti , Pratiwi Rani Indah , Dewiani Kurnia , Maryani Deni , Yusanti Linda , Ramadhaniati Fitri
Published: February 2023

ABSTRAK

Kejadian anemia pada ibu hamil di Indonesia masih mendapat perhatian serius dari pemerintah. Berdasarkan data dari Badan Pusat Statistik tercatat sebanyak 48,9 persen ibu hamil mengalami anemia pada tahun 2018.1 Salah satu penyebab anemia pada ibu hamil adalah usia menikah dan hamil yang terlalu muda.2 Penelitian ini bertujuan untuk mengetahui hubungan pernikahan dini dengan kejadian anemia pada ibu hamil di kabupaten Kepahiang, provinsi Bengkulu.

Desain penelitian ini adalah survei anaitik. Pendekatan yang digunakan dalam penelitian ini adalah pendekatan cross sectional. Sampel dalam penelitian ini adalah seluruh ibu hamil yang terdaftar di buku register KIA Puskesmas Pasar Kepahiang, Kelobak, Ujan Mas, Cugung Lalang, dan Durian Depun dengan jumlah 117 orang.

Hasil penelitian di kabupaten Kepahiang menunjukkan bahwa sebagian besar responden mengalami pernikahan dini  (72,6%). Selain itu, sebagian besar responden juga mengalami anemia (73,5%). Hasil analisis bivariat menunjukkan bahwa terdapat hubungan yang bermakna antara pernikahan dini dengan kejadian anemia pada ibu hamil dengan nilai p diperoleh 0,000.

Kesimpulan dari penelitian ini adalah terdapat hubungan antara pernikahan dini dengan kejadian anemia pada ibu hamil di kabupaten Kepahiang Provinsi Bengkulu. 

 

ABSTRACT

The incidence of anemia in pregnant women in Indonesia still receives serious attention from the government. Based on data from the Central Statistics Agency, it was recorded that as many as 48.9 percent of pregnant women experienced anemia in 2018.1 One of the causes of anemia in pregnant women is the age of marriage and pregnancy that is too young.2 This study aims to determine the relationship between early marriage and the incidence of anemia in pregnant women in Kepahiang regency, Bengkulu province.

The design of this study is an anaitik survey. The approach used in this study is a cross sectional approach. The samples in this study were all pregnant women who were registered in the KIA register book of the Pasar Kepahiang, Kelobak, Ujan Mas, Cugung Lalang, and Durian Depun Health Centers with a total of 117 people.

The results of the study in Kepahiang district showed that most respondents experienced early marriage (72.6%). In addition, most respondents also had anemia (73.5%). The results of the bivariate analysis showed that there was a meaningful relationship between early marriage and the incidence of anemia in pregnant women with a p value of 0.000.

The conclusion of this study is that there is a relationship between early marriage and the incidence of anemia in pregnant women in Kepahiang district, Bengkulu Province.
KORELASI NILAI LAJU ENDAP DARAH (LED) DENGAN HIGH SENSITIVITY C-REACTIVE PROTEIN (hs-CRP) PADA PEROKOK AKTIF DI WARUNG KOPI WILAYAH SURABAYA TIMUR
Authors: Ramadhany Rieke Dwi , Woelansari Evy Diah , Rahayuningsih Christ Kartika , Aprilyadi Nadi
Published: February 2023

Background Smoking has become one of the leading causes of death worldwide. The negative impact of smoking usually occurs after a few years when a person starts actively smoking can harm the body's organs and become a major risk factor for diseases with inflammatory components. Systemic inflammatory reactions are characterized by an increase in inflammatory cytokines, blood cell counts and blood viscosity. Examination CRP and ESR are the two most frequently measured laboratory tests in assessing the response of a systemic inflammatory process. This study aims to determine and analyze the correlation between ESR values ​​and hs-CRP in active smokers at coffee shops,  East Surabaya.

Methods: The type of research used is correlation research with cross sectional. The sample used is 30 active smokers who meet the inclusion criteria. This research was carried out on February 21 – April 11, 2022.  The examination of ESR values ​​and hs-CRP levels was carried out at Balai Besar Laboratorium Kesehatan (BBLK) Surabaya.

Results: It was found that 30 respondents had been actively smoking >5 years with a percentage of 100%. as many as 8 respondents consumed 1-10 cigarettes/day with a percentage of 27%, 19 respondents consumed 10-20 cigarettes per/with a percentage of 63%, and 3 respondents consumed >20 cigarettes/day with a percentage of 10%. The average value of ESR is 8.37 mm/Hr and The The average value of the of hs-CRP 1.11 mg/L.

Conclusion: Based on statistical tests, There is no correlation between the value of ESR and hs-CRP in active smokers in a coffee shop in the East Surabaya area (p value = 0.099) with a sufficient relationship and a positive direction of relationship (r = 0.307).
(EXTRACTION) KONSUMSI KOPI DAN SCREEN-TIME DENGAN LAMA TIDUR DAN STATUS GIZI PADA MASYARAKAT USIA 20-45 TAHUN
Authors: Wati Mega , Ramlan Ramlan , Umar Fitriani , Haniarti Haniarti
Published: February 2023

Latar Belakang: Masalah kekurangan dan kelebihan gizi pada usia dewasa merupakan masalah penting yang dapat memberikan resiko penyakit. Status gizi dapat dipengaruhi beberapa faktor salah satunya adalah konsumsi kopi dan screen-time. Konsumsi kopi dan waktu screen-time dapat berperaruh terhadap lama tidur seseorang. Tujuan penelitian ini adalah untuk mengetahui hubungan konsumsi kopi dan screen-time terhadap lama tidur dan status gizi pada masyarakat usia 20-45 tahun di Desa Buttu Sawe Kabupaten Pinrang.

Metode: Jenis penelitian adalah penelitian observational dengan pendekatan Cross Sectional Study. Sampel adalah  seluruh masyarakat dewasa usia 20-45 tahun yang ada di Desa Buttu Kabupaten Pinrang. Teknik pengambilan sampel dilakukan dengan metode purpossive sampling sebanyak 100 orang. Analisis bivariat menggunakan uji korelasi  pearson.

Hasil: Hasil menunjukkan bahwa tidak ada hubungan konsumsi kopi (r = 0,150, p = 0,136) dan  status gizi (r = -0,087, p = 0,388), tidak ada hubungan screen-time dengan lama tidur (r = -0,020, p = 0,847) serta ada hubungan screen-time dengan status gizi (r = -0,434, p = 0,000).

Artikel ini diretraksi sesuai permohonan dari Author pertanggal 15 Januari 2023 karena sudah dipublish di Jurnal AL GIZZAI PUBLIC HELATH NUTRITION dengan link https://journal.uin-alauddin.ac.id/index.php/algizzai/article/view/32954.
RETROSPECTIVE STUDY OF LESIONS OF CENTRAL NERVOUS SYSTEM IN A TERTIARY CARE HOSPITAL
Authors: Swetha R. , Soundarya S. Lakshmi , Ramana Babu P. Venkata
Published: February 2023

The aim of our study was to establish the relative frequency of biopsy proven tumors of central nervous system (CNS).
One hundred and twenty (120) CNS Biopsy specimens were studied in a two year period. Out of 120 CNS tumors, 103
were primary, 17 were metastatic. Among 17 metastatic tumors, the most common histological type is adenocarcinoma. The most frequent type of
CNS tumour was astrocytoma followed by meningioma.
CAN THYROID PROFILE PREDICT THE IMPENDING DANGER OF DECOMPENSATION IN LIVER CIRRHOSIS?
Authors: Priyanka Injeti Keerthi , Mounika Atchala , Chytanya Paka Atchuta , Parise Gandhi
Published: February 2023

Background: Chronic liver disease is one of the world's leading causes of mortality and morbidity. Thyroid and liver are
interdependent in their functioning, Thyroid gland regulates basic metabolic rate in hepatocytes and liver being the site of
thyroid hormone metabolism, modulates hormone levels. Assessment of thyroid levels in cirrhosis may prove useful to identify severity of
disease and probability of complication rates. In this context we conducted a study to signify the association between thyroid hormones and
severity of hepatic disorder in cirrhosis through usage of Child Pugh score. 100 patients a Method: ged 18 years and above, with liver cirrhosis
were evaluated in our institute. Thyroid prole and other relevant investigations were carried out to assess severity of liver cirrhosis, correlated
with Child Pugh scoring. Results: 74% of the patients in the study were in euthyroid state. Total and free T3, T4 levels were signicantly low and
inversely correlated with severity of liver cirrhosis. Most of the patients had normal T4 and TSH levels. Among all, free T3 was found to be the
most sensitive marker to assess severity of cirrhosis. Thyroid dysfunction is oft Conclusion: en observed in liver cirrhosis which calls for thyroid
prole tests to be conducted with a potential role as prognostic marker.
Trans Perspective in Software Engineering
Authors: Joranhezon marina , Malta Fleury Fabiola , Rocha Carla
Published: February 2023

The software industry employs few women and underrepresented minorities. Several initiatives from organizations, practitioners, and OSS communities address equity, diversity, and inclusion in software development. However, most of these initiatives deal in a generalist and simplistic way, often confusing diversity with gender diversity, reinforcing an industry with a homogeneous workforce, which has little room for the inclusion of sub represented communities. One of these communities is the transgender, who suffers from several intersections of oppression concerning gender, race, class, age, and disabilities, thus having voices erased in the industry.

Our research aims to identify the concepts of diversity in Software Engineering (SE) from a transgender perspective. We conduct a Systematic Grey Literature Review (GLR)  to map the concepts around diversity in SE, focused on trans perspective. We detail our GLR, and inspired in Grounded Theory (GT) we have a coding protocol to build a concept map.

As a result, we obtained a concept map format, which illustrate some of the complexity of diversity issues in SE focused on trans people and how organizations and developers can contribute to trans inclusion in the software industry. 

The paper starts a discussion regarding the perspective of trans people in the area.  Research in diversity should observe the oppressions that exist and how they interact without simplifying and isolating issues such as treating gender in a binary way and not interconnected with other issues such as race. SE industry is strategic to the trans community. Although communities declare themselves to be diverse and open to entry, concrete actions are lacking. 