bluuebunny/crossref_metadata_2025_split huggingface dataset:
Berufliche Rehabilitation in Zeiten der
Covid-19-Pandemie
Authors: Rauch Angela , Reims Nancy 
Published: August 2024

Zusammenfassung
Ziel der Studie Die Covid-19-Pandemie hat die Akteure der beruflichen
Rehabilitation vor neue Herausforderungen gestellt. In der vorliegenden Studie
interessieren wir uns für die folgenden Fragen: Wie haben Akteure wie
Leistungserbringer beruflicher Rehabilitation (LE) und die Bundesagentur für
Arbeit (BA) als Reha-Kostenträger die Covid-19-Pandemie erlebt, welche
Prozessänderungen und Verzögerungen sind eingetreten, und welche Auswirkungen
hat dies möglicherweise auf die berufliche Rehabilitation der Zukunft?
MethodikIm Rahmen von leitfadengestützten Expert*inneninterviews haben wir
zwischen Juli 2020 und Juli 2021 24 Interviews mit 29 Personen geführt (LE:
n=16; BA-Kontext: n=8) und sie zu ihren Erfahrungen während der
Covid-19-Pandemie befragt. Die Interviews wurden aufgezeichnet, transkribiert
und in MAXQDA kodiert; die Analysen des transkribierten Materials basieren auf
einem aus induktiven und deduktiven Kategorien entwickeltem System.
Ergebnisse Qualifizierungsmaßnahmen mussten aus der Ferne durchgeführt
werden. Diese digitalen Möglichkeiten mussten erst geschaffen werden. Die Folge
daraus ist, dass auch die berufliche Rehabilitation gezwungen wurde, sich
technologisch weiterzuentwickeln, wodurch Chancen (der Maßnahmeerbringung) und
Grenzen (z. B. Erwerb sozialer Kompetenzen oder Einschätzung des psychischen
Zustands) deutlich wurden. Während der alternativen Maßnahmeerbringung war eine
kontinuierliche zusätzliche Betreuung durch die LE unabdingbar, um psychische
Krisen einzudämmen, das Verständnis für die Qualifizierungsinhalte zu
gewährleisten und Abbrüche zu vermeiden. Ebenso wie Schulen waren auch die
Arbeitsagenturen und Jobcenter lange Zeit geschlossen und es fanden weder Reha-
noch allgemeine Berufsberatung noch die Beurteilungsverfahren zur Ermittlung des
Reha-Bedarfs beim Ärztlichen Dienst/Berufspsychologischen Service statt. Ein
Rückgang in den Zugängen zu beruflicher Rehabilitation zeichnet sich schon
länger ab, er ist aber insbesondere für 2021/22 vermehrt zu beobachten. Personen
aus SGB-II-Haushalten sind möglicherweise stärker betroffen, da es schwieriger
für die Agenturen und Jobcenter ist, mit ihnen in Kontakt zu bleiben.
Schlussfolgerung Auch wenn die berufliche Rehabilitation einen großen
digitalen Schub erfahren hat, haben die Erfahrungen aus der Pandemie gezeigt,
dass vor allem für junge Menschen und Personen mit psychischen Behinderungen
Maßnahmen in Präsenzformaten mit sozialen Kontakten wichtig sind. Dennoch muss
die berufliche Rehabilitation sich mit der Arbeitswelt verändern, um zu
verhindern, dass Menschen mit Behinderungen (weiter) abgehängt werden.
Numerical approach for the simulation of flow-induced noise around a structure with complex geometry: High-speed train bogie in a cavity
Authors: He Yuan , Thompson David , Hu Zhiwei 
Published: August 2024

The bogie region is a significant source of aerodynamic noise on high-speed trains. Owing to its complex geometry and flow field, numerical simulations using computational fluid dynamics are especially challenging. The main challenge is to achieve a grid with adequate resolution, especially in the boundary layer, while ensuring computational affordability. This challenge is addressed here by employing a hybrid grid, integrating a structured hexahedral mesh near solid surfaces with an unstructured polyhedral mesh in the remaining volume. To limit the number of cells in the boundary layer region, the delayed detached eddy simulation method is adopted. Additionally, to achieve a further reduction in the cell count, the Reynolds number of the model is decreased by scaling down the model size and lowering the inflow speed. The hybrid grid generation and numerical settings are guided by validated simulations of flow over cylinders. A grid sensitivity study, conducted with a simplified half-width bogie model, reveals the meshing requirements for the full-width model. Aerodynamic results highlight the rear section of the cavity and bogie as primary noise sources, emphasizing the critical role of the detached shear layer from upstream components. Time-resolved surface pressure data are input into the Ffowcs Williams–Hawkings equation for far-field noise calculation. The results indicate that the sound energy is concentrated below 200 Hz in the full-scale model, with the cavity contributing more than the bogie. This study provides a practical numerical approach for simulating a structure with complex geometry, offering insights for realistic model simulations.
Unveiling charge transport in monolayer and few-layer
CoPS3/metal contact: Insight from C-AFM
Authors: Yan Mouhui , Wang Haotian , Wei Wenqi , Zhu Tianxiang , Cao Guanghui , Zhong Jianxin , Ren Wei 
Published: August 2024

Monolayer and few-layer CoPS3 have been successfully synthesized via an Au-assisted exfoliation technique, with their transport properties subsequently investigated by conductive atomic force microscopy. Rectification effects can be observed in CoPS3 nanosheets due to the Schottky junction formation at the Au/CoPS3 interface, especially in configurations comprising two or more layer flakes. The distinct transport properties between monolayer and few-layer samples demonstrate that the charge transport behavior in the vertical direction is associated with the van der Waals gap. The calculated electron affinity for CoPS3 is about 4.84 eV, as revealed by the thermionic emission model. The results obtained contribute to the knowledge base concerning the transport characteristics of ultrathin MPX3, facilitating further exploration of the transport behavior of these materials and their potential applications in novel electronic devices.
Super-Nernstian potentiometric response of InN/InGaN quantum dots by fractional electron transfer
Authors: Deng Rongli , Pan Xingchen , Yang Guanzhao , Lin Haibin , Li Junyong , Nötzel Richard 
Published: August 2024

The potentiometric response of InN/InGaN quantum dots (QDs) on Si (111) is experimentally studied and modeled as a function of the In content and morphology of the InGaN layer below the QDs due to the changing N flux in stationary plasma-assisted molecular beam epitaxy. For isolated core–shell InGaN nanowires formed for N-rich growth, sub-Nernstian response with Cl− anions as the test analyte is observed. For compact columnar InGaN layers formed in a very narrow range of N flux at the N-rich to metal-rich growth transition, a maximum super-Nernstian response of 100 mV/decade is achieved, provided the In content is high. With reducing N flux and In content, low super-Nernstian response and finally sub-Nernstian response are re-established for compact planar GaN layers. The maximum super-Nernstian response and the transition to sub-Nernstian response are quantitatively modeled by the quantum partition of electrons inside and outside of the QDs and consequent fractional electron transfer in the artificial chemical reaction of the QDs with the anions.
Kinetic and hydrodynamic post-Newtonian equations in the Brans–Dicke theory
Authors: Kremer Gilberto M 
Published: August 2024

Abstract
A kinetic theory for the post-Newtonian Brans–Dicke theory is developed. The Boltzmann equation and the equilibrium Maxwell-Jüttner distribution function are determined from the knowledge of the components of the metric tensor and Christoffel symbols in the post-Newtonian Brans–Dicke theory. The hydrodynamic equations for the mass density, momentum density and mass-energy density are obtained from a transfer equation derived from the Boltzmann equation. The problem of self-gravitating fluid instabilities in the post-Newtonian Brans–Dicke theory is investigated.
Properties of a broadband Gaussian pulse propagating through a Λ-type atomic medium at room temperature
Authors: Wang Yingfan , Jia Zhengmao , You Yu , Chen Bing , Peng Yandong 
Published: August 2024

Abstract
In our study, we conduct a comprehensive theoretical analysis on the propagation behavior of a Gaussian pulse through a four-level Λ-type rubidium atomic medium under room temperature conditions. Our investigation uncovers the presence of two distinct wavepackets within the medium’s transmission signal. The primary wavepacket, linked to electromagnetically induced transparency transmission, serves as the central signal in the study. Characterized by its optical beat signal utilized for fast microwave strength detection, this wavepacket demonstrates notable features such as pronounced normal dispersion and decreased group velocity. Additionally, the emergence of the Sommerfeld–Brillouin precursor as the second wavepacket further enriches our understanding of pulse dynamics in the medium. Our simulation findings reveal the potential for the optical precursor to play a dominant role in the transmission signal with the adopted methodology. Furthermore, we identify that experimental parameters like atomic density, vapor cell length, and control field intensity play crucial roles in modulating the time delay of the primary signal and the amplitude of the optical precursor.
Evaluation of five methods for the interpolation of bad leads in the solution of the inverse electrocardiography problem
Authors: Serinagaoglu Dogrusoz Y , Bear L R , Bergquist J A , Rababah A S , Good W , Stoks J , Svehlikova J , van Dam E , Brooks D H , MacLeod R S 
Published: August 2024

Abstract

Objective. This study aims to assess the sensitivity of epicardial potential-based electrocardiographic imaging (ECGI) to the removal or interpolation of bad leads. Approach. We utilized experimental data from two distinct centers. Langendorff-perfused pig (n = 2) and dog (n = 2) hearts were suspended in a human torso-shaped tank and paced from the ventricles. Six different bad lead configurations were designed based on clinical experience. Five interpolation methods were applied to estimate the missing data. Zero-order Tikhonov regularization was used to solve the inverse problem for complete data, data with removed bad leads, and interpolated data. We assessed the quality of interpolated ECG signals and ECGI reconstructions using several metrics, comparing the performance of interpolation methods and the impact of bad lead removal versus interpolation on ECGI. Main results. The performance of ECG interpolation strongly correlated with ECGI reconstruction. The hybrid method exhibited the best performance among interpolation techniques, followed closely by the inverse-forward and Kriging methods. Bad leads located over high amplitude/high gradient areas on the torso significantly impacted ECGI reconstructions, even with minor interpolation errors. The choice between removing or interpolating bad leads depends on the location of missing leads and confidence in interpolation performance. If uncertainty exists, removing bad leads is the safer option, particularly when they are positioned in high amplitude/high gradient regions. In instances where interpolation is necessary, the inverse-forward and Kriging methods, which do not require training, are recommended. Significance. This study represents the first comprehensive evaluation of the advantages and drawbacks of interpolating versus removing bad leads in the context of ECGI, providing valuable insights into ECGI performance.
Soft modular pipe robot inspired by earthworm for adaptive pipeline internal structure
Authors: Jiang Jing , Zhang Feng , Wang Lei 
Published: August 2024

Abstract
The inspection, maintenance, and repair of complex pipelines have motivated the development of soft robots with highly flexible and good adaptability. In this study, inspired by the unique locomotion of earthworms, we developed a type of smart material–driven soft modular pipe robot capable of stable manipulation and performing in unstructured pipe environments, which easily assembles into more complex configurations with multiple modules for practical use. Our prototype robot consists of three soft telescopic modules connected in series with flexible bellows and a tail friction mechanism, where the modules adopt a high-energy density shape memory alloy spring as an actuator. Based on analyzing the peristaltic process of the module inside the pipe, it is ensured that the geometric constraint performance of the braided mesh pipe is reasonably matched with the thermomechanical performance of the SMA spring to realize the alternating conversion of anchoring and releasing. By optimizing the overall robotic structure, it is demonstrated that our robot achieves robust crawling in horizontal, vertical, variable-diameter, and curved pipes, wet pipes with the partial presence of water, and pipes with complex cavities through simple open-loop on/off control.
Superquantization rule for multistability in driven-dissipative quantum systems
Authors: Német Nikolett , Kurkó Árpád , Vukics András , Domokos Péter 
Published: August 2024

Abstract
We present a superquantization rule which indicates the possible robust stationary states of a generic driven-dissipative quantum system. Multistability in a driven cavity mode interacting with a qudit is revealed hence within a simple intuitive picture. The accuracy of the superquantization approach is confirmed by numerical simulations of the underlying quantum model. In the case when the qudit is composed of several two-level emitters coupled homogeneously to the cavity, we demonstrate the robustness of the superquantized steady states to single-emitter decay.
Evolution of fermion resonance in thick brane
Authors: Zhu Chun-Chun , Tan Qin , Zhang Yu-Peng , Liu Yu-Xiao 
Published: August 2024

Abstract
In this work, we investigate the numerical evolution of massive Kaluza–Klein (KK) modes of a Dirac field on a thick brane. We deduce the Dirac equation in five-dimensional spacetime, and obtain the time-dependent evolution equation and Schrödinger-like equation of the extra-dimensional component. We use the Dirac KK resonances as the initial data and study the corresponding dynamics. By monitoring the decay law of the left- and right-chiral KK resonances, we compute the corresponding lifetimes and find that there could exist long-lived KK modes on the brane. Especially, for the lightest KK resonance with a large coupling parameter and a large three momentum, it will have an extremely long lifetime.
Stability analysis of static spherical spacetime in extended symmetric teleparallel gravity
Authors: Zeeshan Gul M. , Sharif M. , Arooj Adeeba 
Published: August 2024

Abstract
Our manuscript aims to analyze the viability and stability of anisotropic stellar objects in the modified symmetric teleparallel gravity. A particular model of this extended theory is considered to formulate explicit field equations that govern the interaction between matter and geometry. The configuration of static spherical symmetric structures is examined through the Finch-Skea solution. However, the values of unknown constants in the metric potentials are evaluated by the Darmois junction conditions. For the viability of the proposed stellar objects, physical parameters including density, pressure, anisotropy, mass, energy constraints, compactness function, and redshift are analyzed. Furthermore, the stability of the proposed stellar objects is investigated by the causality condition, Herrera cracking approach, and adiabatic index. Our findings indicate that the proposed stellar objects are viable as well as stable in the presence of correction terms.
Constraints and time evolution in generic f(Riemann) gravity
Authors: Altas Emel , Tekin Bayram 
Published: August 2024

Abstract
We give a detailed canonical analysis of the n-dimensional f(Riemann) gravity, correcting the earlier results in the literature. We also write the field equations in the Fischer–Marsden form which is amenable to identifying the non-stationary energy on a spacelike hypersurface. We give pure R
2 and

R

μ
ν

R

μ
ν

theories as examples.
Frame representation of quantum systems with finite-dimensional Hilbert space
Authors: Cotfas Nicolae 
Published: August 2024

Abstract
There exist many attempts to define a Wigner function for quantum systems with finite-dimensional Hilbert space, each of them coming with its advantages and limitations. The existing finite versions have simple definitions, but they are based only on the existence of a formal analogy with the continuous-variable Wigner function and do not allow an intuitive state analysis. The continuous versions have more complicated definitions, but they are closer to the original Wigner function and allow a visualization of the quantum states. The version based on the concept of tight frame we present is finite, but it has certain properties and applications similar to those of continuous versions. It allows us to present a new graphical representation of qubit states, and to define new parameters concerning them. An important advantage of frame representation follows from the use of redundant information. The values taken by the frame version of Wigner function are not independent. They have to satisfy a large number of mathematical relations, useful in error detection and correction.
Recycling plant nutrients in mixing several organic to serve hydroponic cultivation of vegetables and herbs, enhancing circulatory economy
Authors: Quang N V , Khai N M , Hung N T , Chi V D L , Hang T T M 
Published: August 2024

Abstract
Urine, rich in Nitrogen (N), Phosphorus (P), and Potassium (K), shows promise as a nutrient solution for cultivation, benefiting both nutrition and waste management. This study focuses on producing plant nutrients from human urine using biochar to absorb urine, soybeans meal residue, biogas waste, and fish heads & bones. These nutrients were evaluated against Vietnamese standards (TCVN). The nutrient solutions were tested on green mustard and Gynostemma pentaphyllum in a hydroponic system. Results indicated that the nutrient solution from desorbed human urine reached a maximum solute concentration of 2343.3 ppm after 15 days, surpassing other materials. Though slightly lower in total nitrogen compared to fish heads & bones (68.2 mg/l vs 69.5 mg/l), urine nutrients had higher total P2O5 and available potassium (171.8 mg/l and 592.5 mg/l, respectively). The urine solution performed comparably to soybeans meal residue and the inorganic Hoagland solution. Green mustard treated with urine solution had the best dry content, vitamin C, and low heavy metals. For Gynostemma pentaphyllum, the urine solution yielded the highest saponins, flavonoids, and minerals. Economic analysis of hydroponic models using urine solution showed significant promise, indicating its viability in hydroponics.
Light pollution by using spatial interpolation in Bui Vien walking street in Ho Chi Minh city
Authors: Tuan Cuong H , Van Thong D , Quang T L , Ngoc Lam N T , Lap Xuan T T , Minh Ha L T , Giang N H , Thu Hien N T , Chau N T P 
Published: August 2024

Abstract
Light pollution is a consequence of urbanization and socio-economic development. Excessive or poor use of artificial outdoor light, from electrical equipment, beacons, billboards, etc. is one of the causes of light pollution and affects people’s health. In the Bui Vien walking street area, where night economic activities take place until dawn, the excessive lighting system has affected surrounding households. The development of remote sensing as well as GIS technology, it has helped people directly and indirectly measure the level of light pollution in the night sky. In this study, we conducted investigations and measurements on roads located around the main Bui Vien street, combined with spatial interpolation method to create a light intensity distribution map. According to research results, households in the surrounding Bui Vien neighbourhood with business activities had higher levels of light pollution than the remaining households. The results of this research are a contribution to people’s awareness of the presence of light pollution and support in the arrangement of light bulbs with moderate lighting intensity in planning and urban design.
Exploring the effects of landscape interventions on outdoor thermal comfort using digital simulation
Authors: Reyes S 
Published: August 2024

Abstract
The assessment of outdoor thermal comfort plays an important role in design decisions and encourages better planning and development of outdoor environments. This study explores the potential effects of landscape interventions on outdoor thermal comfort, testing two thermal comfort indicators on a selected hospitality development. Results are crucial factors to consider as the success of hospitality developments and its outdoor spaces are dependent on how visitors perceive and interact with them. Digital simulations were conducted using Rhinoceros software and the Grasshopper tool to produce heat maps. For the purpose of the study, two sets of simulations were developed to examine changes in the Universal Thermal Climate Index (UTCI) and Incident Radiation of the site – a) buildings alone and b) with landscape elements. As a result, UTCI with landscape intervention decreased by 2°C while Incident Radiation is significantly lower throughout spaces provided with shading elements. Results of UTCI simulations still deliver strong heat stress to occupants, while Incident Radiation has considerably improved with landscape interventions. The provision of shading elements helped lessen solar radiation penetrating the site, thus improving the thermal comfort of users. Wind velocity showed minimal effects on perceived heat based on the UTCI assessment scale. Nonetheless, improvement in the planning and orientation of buildings and strategic provision of demountable sun shading elements in future developments are recommended to allow better air circulation.
Experimental Investigations of stabilization of Black cotton soil
Authors: Abharan H K , Acharya Harish , Manjunatha M 
Published: August 2024

Abstract
The technique of stabilizing soil aids in achieving the qualities of soil that are necessary for building projects. Black cotton soils, sometimes referred to as swelling soils, are those soil types that have a propensity to expand and contract in response to changes in moisture content. By increasing the strength of the black cotton soil, this experimental investigation on stabilizing the soil with a certain amount of granite dust produces positive results. The maximum dry density and reduced potential for shrinkage and swelling are found in the black cotton soil mixed with 5% granite. The greatest results are obtained with 10% of the granite mix with black cotton soil since this experiment shows a significant decrease in the ideal moisture content.