bluuebunny/crossref_metadata_2025_split huggingface dataset:
¿Por qué ya no cantan los maestros?
Authors: Nieto-Miguel Ignacio , Álvarez García Francisco José , Urchaga Litago José David , Guevara Ingelmo Raquel María 
Published: May 2022

The present work analyzes the use of the song as a didactic tool in the field of Primary Education, for which a study was carried out with a total of 128 general teachers of Primary Education (22.7% women) active in the Community. of Castilla y León in Spain, and without a specific musical training. The fundamental objective was to know the musical tools that they use in their classes (especially the song) according to the years of teaching experience. The main results show that music as a transversal tool is highly valued by generalist teachers in line with other research, although there are relevant differences in the use of the song according to the years of teaching experience, with veterans being the ones who use music the most. same. Finally, the causes that may have influenced the decrease in the use of songs as a didactic resource –traditionally considered highly useful and effective– are analyzed and some measures are proposed to enhance it.
El presente trabajo analiza el uso de la canción como herramienta didáctica en el ámbito de la Educación Primaria, para ello se realizó un estudio con un total de 128 maestros y maestras generalistas de Educación Primaria (22,7% mujeres) en activo de la Comunidad de Castilla y León en España, y sin una formación musical específica. El objetivo fundamental fue conocer las herramientas musicales que utilizan en sus clases (especialmente la canción) según los años de experiencia docente. Los resultados principales vislumbran que la música como herramienta transversal es altamente valorada por los maestros generalistas en consonancia con otras investigaciones, aunque existen diferencias relevantes en el uso de la canción según los años de experiencia docente, siendo los veteranos los que más uso hacen de la misma. Por último, se analizan las causas que han podido influir en la minoración del uso de la canción como recurso didáctico –tradicionalmente considerado de gran utilidad y efectividad– y se proponen algunas medidas para potenciarlo.
Análisis de las experiencias de los docentes con los espacios virtuales de aprendizaje: el caso de la Universidad Internacional del Ecuador UIDE
Authors: Gómez-García Melchor , Vizcaíno-Imacaña Paulina , Ortiz-Padilla Myriam , Soto-Varela Roberto 
Published: May 2022

With the expansion of COVID-19, the Universidad Internacional del Ecuador UIDE, with other colleges around the world, faced forward to the virtual model education, trying with this to secure access to higher education from their students. The follow work analyses what were the university community teachers perceptions around this new model of education, starting with the first impressions and their development. Based on mixed methods of investigation, set about a first exploration in a quantitative vision and enriched with qualitative methods based on speech analysis, this for trying to understand the complexity of the subjects’ participations in these spaces. The conclusions of this work are the dragged use of the platforms impact in a positive way in the perceptions of them, also, the needed of complementary this with other tolls and social networks, and, for least, the need to incorporate in the students and teachers’ formation these specific capacities.
Con la expansión del COVID-19, la Universidad Internacional del Ecuador, junto a todas las instituciones de educación superior alrededor del mundo, se enfrentaron hacia el modelo de educación virtual para garantizar a sus estudiantes el acceso a la educación. El siguiente trabajo analiza cuáles han sido las percepciones de los docentes universitarios ante este nuevo modelo de educación tanto en el primer momento de su implementación como en el avance en el tiempo de esta. Basado en un método de investigación mixto, parte de una primera exploración cuantitativa y se enriquece de métodos cualitativos basados en el análisis de discursos para entender las complejidades detrás de los sujetos que desarrollan sus actividades en el Moodle de la universidad. Las conclusiones a las que ha llevado este trabajo son como el uso prolongado de estas plataformas impacta de forma positiva en las percepciones sobre estas, en la necesidad de complementar con otras herramientas virtuales y redes sociales, y, por último, en la necesidad de integrar a la formación de docentes el desarrollo de estas capacidades específicas.
Experiencias de vida para fomentar el cambio actitudinal hacia la discapacidad intelectual en el aula
Authors: Belmonte María Luisa , Mirete Ana Belén , Mirete Lucía 
Published: May 2022

The discourse of inclusive education, which is committed to an educational system that responds to the needs of all students and respects their diversity, emerged more than thirty years ago, but it is still not possible to say that schools hold said award. Diversity continues to find barriers in educational environments, with attitudes towards it being a determining factor in its inclusion, both at school and socially.
The objective of this work focuses on analyzing the effect of real and direct contact with people with intellectual disabilities on the attitudes that students in the field of education at the University of Murcia have towards said disability. To this end, a quasi-experimental investigation has been carried out with the participation of 87 students from the Degrees in Pedagogy and Early Childhood and Primary Education.
The results show that life experiences and direct contact with people with intellectual disabilities produce a significant change in attitudes towards acceptance of diversity.
El discurso de la educación inclusiva que apuesta por un sistema educativo que de respuesta a las necesidades de todos los estudiantes y respete su diversidad, surge hace más de treinta años, pero aún no se puede decir que las escuelas ostenten dicho galardón. La diversidad continúa encontrando barreras en los entornos educativos, siendo las actitudes hacia la misma un factor determinante en su inclusión, tanto escolar como social.
El objetivo de este trabajo se centra en analizar el efecto que ejerce el contacto real y directo con personas en situación de discapacidad intelectual sobre las actitudes que los estudiantes del ámbito de la educación de la Universidad de Murcia presentan hacia dicha discapacidad. Para ello se ha realizado una investigación cuasi-experimental para la que se ha contado con la participación de 87 estudiantes de los Grados en Pedagogía y Educación Infantil y Primaria.
Los resultados muestran que las experiencias de vida y contacto directo con personas en situación de discapacidad intelectual, producen un cambio significativo de las actitudes hacia aceptación de la diversidad.
FPGA-based systolic deconvolution architecture for upsampling
Authors: Joseph Raj Alex Noel , Cai Lianhong , Li Wei , Zhuang Zhemin , Tjahjadi Tardi 
Published: May 2022

A deconvolution accelerator is proposed to upsample n × n input to 2n × 2n output by convolving with a k × k kernel. Its architecture avoids the need for insertion and padding of zeros and thus eliminates the redundant computations to achieve high resource efficiency with reduced number of multipliers and adders. The architecture is systolic and governed by a reference clock, enabling the sequential placement of the module to represent a pipelined decoder framework. The proposed accelerator is implemented on a Xilinx XC7Z020 platform, and achieves a performance of 3.641 giga operations per second (GOPS) with resource efficiency of 0.135 GOPS/DSP for upsampling 32 × 32 input to 256 × 256 output using a 3 × 3 kernel at 200 MHz. Furthermore, its high peak signal to noise ratio of almost 80 dB illustrates that the upsampled outputs of the bit truncated accelerator are comparable to IEEE double precision results.
A Multi-Item Probabilistic Inventory Model that Considers Expiration Factor, All Unit Discount Policy and Warehouse Capacity Constraints
Authors: Silitonga Roland Y. H. , Kristiana Leo Rama , Parley Tabita Anette 
Published: May 2022

The characteristics considered in this study are probabilistic demand, perishable products, and warehouse constraints for multi-item inventory models. This condition occurs in several industries that consider perishable factors and warehouse constraints, namely companies that produce food, food sales agents, and retail that sell goods to end customers. The Karush-Kuhn-Tucker Condition approach was used to solve the warehouse capacity problem to find the optimum point of a constrained function. The results of the developed inventory model provide two optimal ordering times, namely ordering time-based on warehouse capacity and joint order time, and the two ordering time values ​​will be compared to determine which ordering time is optimal. In addition, the sensitivity analysis to the model was done to analyse the total inventory costs in a planning horizon, the time between goods ordering from one cycle to the next cycle, and the number of items that will expire. The parameters to be changed for the sensitivity test were warehouse constraint, a fraction of good condition goods, holding costs per unit per period, and all unit discount factors. The sensitivity analysis was done to see the behaviour of the total cost, time to order changes, and the quantity of perished products. The result of model testing and sensitivity analysis showed that total cost, based on joint order, is sensitive to the fraction of good condition products, discount, and holding cost. The joint order was not sensitive to the warehouse capacity. In general, the model was perceived as able to describe the behaviour of the model components.
Modern Bayesian Entity Resolution
Authors: Binette Olivier , Steorts Rebecca C. 
Published: May 2022

AbstractGiven that data is readily available at our fingertips, data scientists face a difficult task when integrating multiple databases. This task is commonly known asentity resolution, which combines structured databases that may refer to the same individual (business, etc.), where unique identifiers are not available, are only partially available, or may not be reliable. Applications where unique identifiers are not available, are only partially available, or may not be reliable are only growing in the literature. As recently mentioned in the literature, such data sets “in the wild may have temporal variation, missing values, data distortions, and large amounts of noise.” Examples include electronic health data, human rights conflicts, official statistics and survey data, web‐scraped data, financial data, and others. As statistical data scientists, our goal is to clean such data for predictive or inferential analyses. This article reviews the data cleaning pipeline and seminal entity resolution tasks which have inspired the rise of Bayesian entity resolution, which inherently allows one to quantify the uncertainty of the entity resolution task through posterior inference.
Quantifying Worker Exposures Using Bayesian Statistical Methods in Industrial Hygiene
Authors: Groth Caroline P. , Banerjee Sudipto , Ramachandran Gurumurthy , Stewart Patricia A. , Stenzel Mark R. , Virji Mohammed A. 
Published: May 2022

Abstract
Workplaces are dynamic and complex locations in which workers can be exposed to a variety of harmful chemicals. One of the industrial hygienists' primary responsibilities is the evaluation of workers' exposures to such chemicals. To do so, appropriate statistical modeling strategies are needed to accurately describe these exposures. Bayesian methods provide a useful framework to quantify and characterize workers' exposures in the complex work environment. This article presents several Bayesian modeling strategies to improve the understanding of workers' exposures while accounting for measurements below the analytic limit of detection. These methods allow industrial hygienists to characterize exposures by summarizing measured exposures, thereby investigating relationships between exposures to multiple chemicals, statistically identifying and describing exposure determinants, and estimating exposures when measurements are unavailable.
Continuous Production of Acoustically Patterned Cells Within Hydrogel Fibers for Musculoskeletal Tissue Engineering
Authors: Deshmukh Dhananjay V. , Reichert Peter , Zvick Joel , Labouesse Céline , Künzli Valentin , Dudaryeva Oksana , Bar‐Nur Ori , Tibbitt Mark W. , Dual Jurg 
Published: May 2022

AbstractMany mammalian tissues have a specific cellular arrangement that enables their unique function. For example, parallel alignment of myofibers enables uniaxial muscle contraction. To engineer structured tissues ex vivo, it is critical to recapitulate this cellular arrangement. Conventional 3D encapsulation often fails to recapitulate this complexity, motivating the need for advanced patterning approaches. In this work, an acoustofluidic device to continuously pattern mammalian cells within hydrogel fibers is engineered. Contactless acoustofluidic forces are used to control the spacing between parallel lines of cells. To enable continuous extrusion of cell‐laden hydrogel fibers, a low friction Teflon tube is integrated into the device. A photopolymerizable hydrogel allows triggering gelation externally with light once the cells are under the influence of the acoustic field, setting the patterned cells within the hydrogel fiber. Using this device, the muscle progenitor cells (myoblasts) within the hydrogel are patterned in parallel lines to mimic the structure of skeletal muscle. The increased formation of myotubes and spontaneous twitching of the myotubes in patterned samples are observed. This approach combining continuous fabrication with the tunability of acoustofluidics can create complex 3D tissues to engineer skeletal muscles as well as tendons, ligaments, vascular networks, or combinations thereof in the future.
Metal–Organic Frameworks Derived Electrolytes Build Multiple Wetting Interfaces for Integrated Solid‐State Lithium–Oxygen Battery
Authors: Wang Xiao‐Xue , Chi Xi‐Wen , Li Ma‐Lin , Guan De‐Hui , Miao Cheng‐Lin , Xu Ji‐Jing 
Published: May 2022

AbstractSolid‐state lithium–oxygen (Li–O2) batteries are considered as the next‐generation solution for high‐safety energy storage systems to overcome the persistent problems associated with liquid battery systems. However, the absence of stable solid‐state electrolytes (SSEs) and the design complexity of functional solid‐state cathode (SSC) remains a fundamental challenge. Here, a high‐performance solid‐state Li–O2 battery is presented with Li‐ion‐conducted UiO‐67 (UiO‐67‐Li) as SSEs and UiO‐67‐Li@reduced graphene oxide (rGO) aerogel integrated structure as SSC. The UiO‐67‐Li SSEs reveal exceptional conductivity (0.64 mS cm−1 at 25 °C) along with high chemical/electrochemical robustness. Furthermore, the prepared UiO‐67‐Li@rGO aerogel exhibits continuous and abundant Li+/e− transfer and O2 diffusion channels. Benefiting from the unique chemical properties of the UiO‐67‐Li SSEs layer, the solid‐state Li–O2 battery achieves suppression of anode dendrite formation, resistance to air‐corrosion, and presence of multiple low‐impedance wetting interfaces including anode/electrolyte and electrolyte/cathode. This ingenious arrangement endows the solid‐state Li–O2 battery with low overpotential (0.8 V), superior rate capability, and stable cycling life (up to 115 cycles). This novel design and exciting result will open up one avenue for the development of MOF‐based SSEs and cathodes for high‐performance solid‐state Li–O2 batteries and other solid‐state energy‐storage devices.
Vapor‐Fed Electrolyzers for Carbon Dioxide Reduction Using Tandem Electrocatalysts: Cuprous Oxide Coupled with Nickel‐Coordinated Nitrogen‐Doped Carbon
Authors: Lin Yi‐Rung , Lee Dong Un , Tan Shunquan , Koshy David M. , Lin Tiras Y. , Wang Lei , Corral Daniel , Avilés Acosta Jaime E. , Zamora Zeledon Jose A. , Beck Victor A. , Baker Sarah E. , Duoss Eric B. , Hahn Christopher , Jaramillo Thomas F. 
Published: May 2022

AbstractEthylene is particularly attractive due to its major importance as a feedstock for various applications including the polymer industry. As such, catalyst and electrolyzer developments are crucial to achieve industrially relevant ethylene production and efficiency levels. Here, a tandem electrocatalyst composed of copper nanocubes and nickel‐coordinated nitrogen‐doped carbon (NiNC) is presented, which is integrated into gas diffusion electrodes (GDEs) for direct conversion of vapor‐fed CO2 into ethylene. Evaluation of tandem GDEs in the vapor‐fed flow electrolyzer shows significantly increased ethylene selectivity in terms of faradaic efficiency and C2H4/CO ratio compared to a non‐tandem copper GDE. The enhancements are attributed to the increased local CO availability near the copper surface via effective CO2 to CO conversion on neighboring NiNC. The experimental results are validated by 3D resolved continuum simulations, which show increased flux of higher‐order products with the added CO flux from NiNC. The practical viability of Cu/NiNC catalyst is further evaluated in a membrane electrode assembly electrolyzer, achieving 40% FE toward ethylene at 150 mA cm−2 and 3.2 V. These findings highlight the high selectivity and formation rate of ethylene achieved by successful device integration of the Cu/NiNC catalyst, demonstrating the potential for implementation in large‐scale sustainable CO2 electrolyzers.
Pure Aqueous Planar Microsupercapacitors with Ultrahigh Energy Density under Wide Temperature Ranges
Authors: Song Li , Dai Chunlong , Jin Xuting , Xiao Yukun , Han Yuyang , Wang Ying , Zhang Xinqun , Li Xiangyang , Zhang Shaohua , Zhang Jiatao , Zhao Yang , Zhang Zhipan , Qu Liangti 
Published: May 2022

AbstractCurrently, limited by factors such as low working voltage (≤1 V), poor temperature tolerance, and underutilization of electrolytes, pure aqueous symmetric planar microsupercapacitors (PMSCs) show unsatisfactory energy density under wide temperature ranges. To address these issues, a novel strategy is introduced to construct pure aqueous PMSCs with an ultrahigh energy density under wide temperature ranges through the development of high‐performance carbon nanotube‐MnO2 microelectrodes and high‐voltage aqueous polyacrylamide polyelectrolyte with exceptional temperature tolerance and redox‐enhanced function. Notably, the capacitance contribution of alizarin red S redox additives and the outstanding ability to withstand high voltage of polyacrylamide polyelectrolyte play the crucial roles in improving the electrochemical performance of PMSCs. As a result, the constructed microdevice achieves a record‐high working voltage of 2 V at temperatures from −15 °C to 100 °C and ultrahigh areal energy densities of 12.9 μWh cm–2 at −15 °C, 17.4 μWh cm–2 at room temperature and 24 μWh cm–2 at 100 °C, which are superior to those of previously reported pure aqueous PMSCs at the temperature. Meanwhile, it also shows good flexibility and excellent cycling stability (92.7% after 25 000 cycles at −15 °C and 81% after 20 000 cycles at 100 °C).
A Simple and Efficient Strategy for Preparing a Cell‐Spheroid‐Based Bioink
Authors: Sun Weiyan , Zhang Jiahui , Qin Yechi , Tang Hai , Chen Yi , Lin Weikang , She Yunlang , Zhang Kunxi , Yin Jingbo , Chen Chang 
Published: May 2022

AbstractCell spheroids are a promising bioprinting building block that can mimic several physiological conditions in embryonic development. However, it remains challenging to efficiently prepare cell‐spheroid‐based bioink (Sph‐bioink) with favorable printability and spheroid fusion ability. In this work, a poly(N‐isopropylacrylamide) (PNIPAAm)‐based porous hydrogel is developed as an “all‐in‐one” platform for Sph‐bioink preparation. On the one hand, the nonadhesive porous structure in hydrogels is an effective tool for fabricating adipose‐derived stem cell (ASC) spheroids in high yield, and the hydrogel itself also serves as a “carrier” for conveniently transferring cell spheroids to the bioprinter. On the other hand, the integration of redox/thermo‐responsiveness allows the hydrogel to shift from a solid spheroid‐making tool to an extrudable bioprinting medium that is sensitive to temperature. These features enabled a simple procedure for preparing Sph‐bioink, in which the cell spheroids were densely packed to retain fusion capability. The present study also demonstrates that ASC spheroids formed in hydrogels have good biological preservation and superior chondrogenic differentiation, and verified the feasibility of using Sph‐bioink to build custom‐shaped mature cartilage. In conclusion, this strategy provides a simple, efficient, and standardized approach for Sph‐bioink preparation, making it possible to produce tissue‐engineered constructs with accelerated maturation and functionalization.
Benchmarking Noise and Dephasing in Emerging Electrical Materials for Quantum Technologies
Authors: Islam Saurav , Shamim Saquib , Ghosh Arindam 
Published: May 2022

AbstractAs quantum technologies develop, a specific class of electrically conducting materials is rapidly gaining interest because they not only form the core quantum‐enabled elements in superconducting qubits, semiconductor nanostructures, or sensing devices, but also the peripheral circuitry. The phase coherence of the electronic wave function in these emerging materials will be crucial when incorporated in the quantum architecture. The loss of phase memory, or dephasing, occurs when a quantum system interacts with the fluctuations in the local electromagnetic environment, which manifests in “noise” in the electrical conductivity. Hence, characterizing these materials and devices therefrom, for quantum applications, requires evaluation of both dephasing and noise, although there are very few materials where these properties are investigated simultaneously. Here, the available data on magnetotransport and low‐frequency fluctuations in electrical conductivity are reviewed to benchmark the dephasing and noise. The focus is on new materials that are of direct interest to quantum technologies. The physical processes causing dephasing and noise in these systems are elaborated, the impact of both intrinsic and extrinsic parameters from materials synthesis and devices realization are evaluated, and it is hoped that a clearer pathway to design and characterize both material and devices for quantum applications is thus provided.
Recent Progress in SERS‐Based Anti‐counterfeit Labels
Authors: Huo Yifeng , Yang Zishen , Wilson Tanner , Jiang Chaoyang 
Published: May 2022

AbstractAnti‐counterfeit labels protect many commercial goods, drugs, and currencies from counterfeiting activities. Recently, the designs of anti‐counterfeit labels have emerged utilizing surface‐enhanced Raman scattering (SERS) as a powerful technique, in which SERS‐active materials provide strong Raman signals of probe molecules. These signals are unique and, so far, have rarely been used in practical anti‐counterfeit labels applications. In this review, the general methodology of using Raman and SERS in designing anti‐counterfeit labels is first introduced. Then, two types of secret information in SERS labels, spectroscopic information and graphical information, are detailed and discussed with a focus on how the molecular information is encoded with SERS labels. Later, several advanced SERS labels are presented which combine existing security features such as barcode, quick response code, fluorescence, and unclonable features. Finally, the challenges in building usable SERS anti‐counterfeit labels are discussed and possible research directions are described.