bluuebunny/crossref_metadata_2025_split huggingface dataset:
Dielectric, transparent, thermally stable and mechanically robust bionanocomposite films based on chitosan and modified cellulose nanocrystals
Authors: Kassab Zineb , Abdellaoui Youness , Idouhli Rachid , Salim Mohamed Hamid , El Bachraoui Fatima , Ablouh El‐houssaine , El Achaby Mounir 
Published: April 2024

AbstractThe growing demand for electronics necessitates the development of novel environmentally responsible materials. A potential approach involves incorporating renewable and sustainable materials with mechanical and electrical properties while ensuring environmentally friendly disposal. Herein, this study reports the dielectric properties of chitosan (CS) reinforced with cellulose nanocrystals (CN) extracted from post‐harvest tomato plant residue. The resulting bionanocomposite material demonstrated remarkable characteristics, including dielectricity, transparency, thermal stability, and mechanical robustness. Additionally, the effect of high‐loading fillers (5 and 10 wt %) on the final properties of the material is investigated, as well as the effect of surface functionality of the CNs. The results showed that both the high‐loading fillers and the surface functionality of the CNs had a significant impact on the properties of the nanocomposite material. The bionanocomposite materials produced in this study hold great potential as an eco‐friendly substitute for conventional electronic materials and beyond. Its dielectric, transparent, thermally stable, and mechanically robust properties render it well‐suited for diverse applications.Highlights
The phosphorylated groups insured high Crl (%) and high interface between the filler and matrix.
High interface and crystallinity enhanced the mechanical characteristics.
Low crystallinity increases the dielectric constant, case of 5% CNS.
Filler’ type can tailor and optimize the energy dissipation up to tan δ = 0.5 for 5% CNP.
Detection of Warburg impedance proves the interface polarization presence.
Laser applications for smart textiles
Authors: Brackmann Friederike , Olowinsky Alexander 
Published: April 2024

AbstractTextiles are not only used for clothing but have also found application in many other areas. They do not have to have electronic components to be considered smart textiles. For example, they can be combined with biomedical substances to detect germs and bacteria, or light can be guided along a fiber and emitted in areas where the surface has laser‐induced defects. However, the most common combination is with electronic components.
Dual‐beam lasers meet challenges of the automotive industry
Authors: Markevitch Alexei , Wiener Michael , Markushov Iurii 
Published: April 2024

AbstractThe challenges of transport electrification require the adoption of new manufacturing techniques. Lasers excel in most difficult tasks due to their ability to deliver energy with great precision, and their temporal and spatial control. Dual‐beam, adjustable mode beam (AMB) technology enables the versatile spatial control of laser energy deposition, providing wide process windows for defect‐free welding and focal spot positioning. The AMB technology improves process quality and speed in dissimilar material welding, copper welding and in structural aluminum welding across many applications in the automotive industry – from the production of batteries and drivetrains to structural body parts.
High‐energy UV lasers for display and green energy applications
Authors: Rammelsberg Robin , Delmdahl Ralph , Haupt Oliver 
Published: April 2024

AbstractThe next generation of power saving displays, superconductivity‐driven carbon‐free energy generation, semiconductor manufacturing, and also refractive eye surgery largely hinge on photonics‐based precision manufacturing. They all benefit from the unique technical properties of excimer lasers, namely the laser's short wavelength in the ultraviolet range of the spectrum and the high pulse energy output. Gen 8 display fab expansion, capacity upscaling of superconducting tapes for future fusion reactors, and new tool developments for inspection and thin film manufacturing in the semiconductor industry are in full swing, and enabled by UV laser system technology.
Circular economy orientation from corporate social responsibility: A view based on structural equation modeling and a fuzzy‐set qualitative comparative analysis
Authors: Gallardo‐Vázquez Dolores , Herrador‐Alcaide Teresa C. , Matin Arian 
Published: April 2024

AbstractSeeking sustainable development, companies voluntarily implement Corporate Social Responsibility (CSR) through the Triple Bottom Line (TBL) approach, considering economic, social and environmental aspects of interest to global society. Searching for sustainable development, the Circular Economy (CE) emerged as a new philosophy of life to meet the new challenges in society. This research links CSR and CE but considering jointly the Institutional and Stakeholder Theories to delimit the sustainable development framework from the EC approach driven by CSR. According to this framework, it was tested whether the CSR practices of companies positively and significantly impacts on a business orientation towards CE, through two models (Model A and Model B) each of them analyzed with two independent samples of companies in Spain. Both samples are composed of Small and Medium Enterprises (SMEs) at two different stages of CSR adoption. The hypotheses were analyzed through a structural equation modeling‐fuzzy‐set qualitative comparative analysis (SEM‐fsQCA). The result of the SEM supports the hypothesis in both models. So, CSR practices are driving companies towards CE, incorporating propositions on stakeholders' value creation. Moreover, an fsQCA revealed combinations of relationships that ensure the consistency of obtained results, generating five configurations based on two models defined. Main contribution of this work is CSR practices of companies and their orientation towards CE can be linked. This encourages to deep in analysis about the relations between CE and CSR, and of the specific CSR practices that should be enhanced for their beneficial effect on the implementation of CE.
Human resource management: A link between sustainable development and sustainable lifestyles. Traditional and systematic review
Authors: Wojtaszczyk Katarzyna , Różańska‐Bińczyk Izabela , Syper‐Jędrzejak Marzena 
Published: April 2024

AbstractHuman resource management (HRM), under the influence of the sustainable development paradigm, is evolving towards sustainable HRM. Contemporary HRM is a cross‐functional task that becomes increasingly important in the creation of corporate sustainability. Therefore, HRM plays an important role in building sustainable development. At the same time, HRM becomes more and more human‐centred. HRM is not only recruitment or appraisal orientated; one of its aims is to help different shareholders live sustainable lifestyles. Meanwhile, a sustainable lifestyle is analysed mainly in the context of consumer behaviour. The role of HRM in the promotion of a sustainable lifestyle is overlooked too often. The aim of the paper is to verify the importance of our ascertainment that HRM may (and should) be a link between sustainable development and sustainable lifestyles. We also want to confirm/deny a research gap related to the HRM's role in promotion of a sustainable lifestyle. We used two literature review methods: traditional and systematic review. The research pointed out that the researchers examine the idea of sustainable development as well as analyse the concept of a sustainable lifestyle. The systematic literature review identified a research lacuna in HRM regarding its role in promoting sustainable lifestyles.
In Situ Ca‐ and Mg‐ Codoped Biochar Derived from Tobacco Stem for Phosphate Adsorption and Desorption
Authors: Tu Panfeng , Cen Yingyuan , Deng Lansheng , Huang Baoyuan , Li Juan , Li Yongquan , Deng Lifang , Yuan Haoran 
Published: April 2024

AbstractPhosphorus is an important element for plant growth. The efficient use and recovery of phosphorus is crucial due to limited phosphate resource reserves. This study explored the potential application of an in situ Ca and Mg co‐doped biochar derived from tobacco stem to reclaim and reuse phosphate from aqueous solutions. We performed various batch adsorption experiments and industrial analysis based on different parameters. The findings indicate that biochar prepared using the raw material particle size range of 0.85–2 mm and pyrolyzed at 800 °C presented good pore structure and specific surface area. Ca and Mg elements in biochar exhibited great influence on its phosphate adsorption property. The maximum phosphate adsorption capacity of the tobacco stem‐based biochar was 54.66 mg/g, and the experimental data agreed with the Langmuir equation, suggesting monolayer adsorption. The adsorption process conformed to the pseudo‐second‐order kinetic equation, indicating that chemisorption was the dominant adsorption process and that the adsorption was controlled by intra‐particle diffusion. Furthermore, phosphate adsorbed on tobacco stem‐based in situ Ca and Mg co‐doped biochar was released under acidic, alkaline, and neutral conditions. Therefore, in situ Ca and Mg co‐doped biochar prepared from tobacco stems is a potential environmentally friendly and low‐cost adsorbent for phosphorus recovery.
Efficient One‐Pot Multicomponent Approach to 3‐Phenylpyrrolo[1,2‐a]Pyrazine and Novel 3‐Phenylpyrazino[1,2‐a]Indole in Aqueous Medium
Authors: Lakshmikanth Kyatagani , Katiyar Raunak , Dorai Sandya Tambi , Tiwari Priya , Sagar Titiksha Kumar , Chandrashekharappa Sandeep 
Published: April 2024

AbstractA facile and atom‐efficient route via a new aqueous synthetic protocol for the greener and more efficient preparation of 3‐phenylpyrrolo[1,2‐a]pyrazine and 3‐phenylpyrazino[1,2‐a]indole by the one‐pot, three‐component method under mild reaction conditions is developed with substituted phenacyl bromides, aqueous ammonium hydroxide, and the corresponding 1H‐pyrrole‐2‐carbaldehyde and 1H‐indole‐2‐carbaldehyde. A reaction cascade consisting of N‐alkylation, imine formation, and annulation by condensation produces a sequence of three C−N bonds.
Near‐Infrared Active Tri‐nanohybrid for Enhanced Energy Harvesting
Authors: Pan Nivedita , Hasan M. Nur , Ghosh Sangeeta , Roy Lopamudra , Bhattacharya Chinmoy , Karmakar Debjani , Pal Samir Kumar 
Published: April 2024

AbstractEfficient energy harvesting through full solar spectrum utilization has been considered a promising solution to world energy and environmental issues. In this direction, lead sulphide (PbS) quantum dot (QD) based hybrid materials find greater application due to their near‐infrared (NIR) active photo response. Slower charge injection and inefficient charge separation limit photoactive response of such NIR active low band gap semiconductor like PbS QDs. Moreover, constructing dual charge transfer pathways in a PbS QDs based nanocomposite through the formation of hybrids with suitable materials can be advantageous in suppressing the charge recombination. In this work, we have synthesized a nanocomposite after decorating the PbS‐QDs with semiconducting TiO2 nanoparticles modified with multiwall carbon nanotubes (MWCNT) and thus forming the tri‐hybrid (PbS‐TiO2‐MWCNT) nanocomposites. The enhanced photo‐activities of the tri‐hybrid, as compared to di‐hybrids like PbS‐TiO2, PbS‐MWCNT were confirmed by the steady state, time‐resolved photoluminescence (TRPL) measurements and reactive oxygen species (ROS) generation measurements. Higher ROS generation in the tri‐hybrid has been correlated with a faster interfacial electron transfer due to the dual charge injection pathway of PbS QD to TiO2 and MWCNT. The enhanced activity of the trio‐hybrid has also been analyzed from the first principal calculations in light of an efficient interfacial electron transfer as a result of the dual charge injection pathway. The photoelectrochemical water‐spilling response of the photoanodes in terms of photocurrent density, electrochemical impedance, and Mott–Schottky measurements on PbS‐TiO2 and PbS‐TiO2‐MWCNT photoanodes reveal that a combination of MWCNT and TiO2 exhibits an increase in electrical double layer capacitance, decrease in series resistance and enhancement of carrier density with NIR illumination at the heterojunction. Overall, all the dynamical studies at the interface of the trihybrid‐based photoanodes demonstrate its potential of utilization as a futuristic NIR‐ active photoelectrochemical water‐splitting material.
Porting learning from interdependencies back home: Performance implications of multihoming for complementors in platform ecosystems
Authors: Polidoro Francisco , Yang Wei 
Published: April 2024

AbstractResearch SummaryRecognizing the role of complementors in creating value in interdependent platform ecosystems, strategy research has recently started to examine performance heterogeneity across complementors. However, research has thus far focused on the performance implications of dynamics unfolding within a particular ecosystem. We take a step toward exploring influences that arise beyond the focal ecosystem by focusing conceptually on multihoming. We argue that multihoming to another platform produces learning benefits that enhance a complementor's performance on the home platform, especially when dealing with a high level of interdependencies and having greater similarity to other complements. We find supportive evidence in our analysis of open‐source software platforms between 2012 and 2018 and discuss implications for research on platform ecosystems, multihoming, and open‐source software.Managerial SummaryPrior studies viewed multihoming as an important strategy for complementors in platform ecosystems. However, little is known about the extent to which such expansion affects the performance of complementors on their home platforms. This study investigates this issue using data on software package complementors in a variety of platforms housed in GitHub, the world's largest repository of open‐source software. The findings show that following multihoming, a complementor experiences a performance improvement in the home platform even when compared to the performance change observed during the same period for another complementor with similar attributes but that remains in single‐homing. These findings underscore the strategic implications of multihoming as a significant driver of performance heterogeneity across complementors in platform ecosystems.
The role of ultrasound in the management of carotid artery disease after head and neck radiotherapy treatment
Authors: Adams Matthew 
Published: April 2024

AbstractHead and neck cancers (HNC) are a significant cause of morbidity and mortality globally. Radiotherapy (RT) is used heavily in the treatment of HNCs and has undergone rapid development since the 1980s which has led to increased survival rates in this patient group. Carotid artery stenosis and an increased incidence of stroke and transient ischaemic attack (TIA) have all been repeatedly described as a side effect of head and neck RT with vascular fibrosis implicated in its pathogenesis. The appearance of RT induced carotid stenosis displays a different phenotype to typical atherosclerotic plaque which can be appreciated both in histology samples and on ultrasound imaging. Ultrasound may also have a role to play in screening HNC patients who undergo RT to identify those at risk of suffering cerebrovascular events.
The role of water safety plan (WSP) to enhance the compatibility in water sector, Egypt
Authors: Yehia Ahmed G. , Mehany Mahmoud A. S. , Fareed Alaa M. , El‐sayed Waleed H. , Taman Mohammed S. 
Published: April 2024

AbstractRecently, the Egyptian Government (GoE) seek to achieve comprehensive development through a mass of megaprojects. Water is a crucial element in the developing process, and Holding Company for Water and Wastewater (HCWW) is one of the key actors in setting national policies for water and wastewater services. These investments need a wide approach to guarantee good governance and sustainable management. Water safety plan (WSP) approach introduced by the World Health Organization (WHO) is recognized as the most reliable and effective way to manage drinking‐water supplies to secure public health. HCWW has adopted WSP as a holistic approach not only to mitigate the potential risk to public health but also as a participatory way to reinforce and create resiliency among the key actors in water sector. This study highlighted the tangible impacts on the performance and homogeneity of the water sector in different areas at different levels as a response of WSP implementation. Modifications have been recorded in the operational, institutional, collaboration, and legislative outcomes at micro‐level, meso‐level, and macro‐level as a response to WSP. Some challenges were detected such as a lack of financial resources and no clear commitment of WSP incorporation in the policies of the main stakeholders.
Ungewissheiten bezüglich der Langzeitsicherheit von Endlagern: Qualitative und quantitative Bewertung
Authors: Röhlig Klaus-Jürgen 
Published: April 2024

ZusammenfassungDer Beitrag fokussiert auf die Langzeitsicherheit eines verschlossenen Endlagers. Er gibt einen Überblick zu Möglichkeiten der qualitativen und quantitativen Bewertung von Ungewissheiten und ihrer Relevanz für die Sicherheit und zeigt exemplarisch einige Möglichkeiten zur grafischen Darstellung diesbezüglicher Analyseergebnisse auf. Zur quantitativen Bewertung steht eine Reihe mathematischer Methoden zur Verfügung, durchgesetzt hat sich aus mehreren Gründen eine Kombination von deterministischen und probabilistischen Ansätzen. Im Einzelnen bestehen jedoch unterschiedliche Möglichkeiten dahin gehend, für welchen Typ von Ungewissheit deterministische und für welchen Typ probabilistische Ansätze zum Einsatz kommen, in wie weit die Behandlung verschiedener Ungewissheiten in eine zusammenführende Analyse mündet, welche Ergebnisgrößen („Indikatoren“) betrachtet werden und welche Formen der Ergebniskommunikation gewählt werden. Solche Unterschiede sind zum Teil unterschiedlichen nationalen Regelwerken geschuldet, aber es bestehen auch viele Freiheitsgrade innerhalb dieser Vorgaben. Vor- und Nachteile insbesondere der Wahl von Indikatoren sowie von unterschiedlichen Methoden hinsichtlich ihrer internen Logik und der jeweiligen Darstellungsweisen und deren Kommunizierbarkeit sollten weiter erforscht und erprobt werden.
Bedeutung von deterministischen und probabilistischen Methoden zur Behandlung und Kommunikation von Ungewissheiten hinsichtlich der Sicherheitsaussagen in einem Safety Case
Authors: Becker Dirk-Alexander , Noseck Ulrich , Seidl Roman , Wolf Jens 
Published: April 2024

ZusammenfassungMit diesem Beitrag wird der Einsatz deterministischer und probabilistischer Methoden im Safety Case beleuchtet. Basierend auf vorhandenen nationalen und internationalen Empfehlungen und Erkenntnissen sowie einem Online-Experiment zur Aussagekraft der Methoden und Darstellungsarten werden Schlussfolgerungen zum Einsatz der Methoden formuliert. Dabei wird auch diskutiert, welche Methoden zur Behandlung und Darstellung von Ungewissheiten geeignet sind, eine sowohl korrekte als auch möglichst gut verständliche Aussage hinsichtlich der Ungewissheit der Sicherheitsbewertung eines Endlagers zu formulieren. Diese Frage wird am Beispiel der Dosisabschätzung für ein hypothetisches Endlager in einer Tongesteinsformation diskutiert.
Selbstgefährdung der Wirtschaft durch Sinnverlust
Authors: Strangalies Christian 
Published: April 2024

ZusammenfassungIn diesem Kapitel wird beschrieben, woher die Notwendigkeit einer nachhaltigen Entwicklung der Gesellschaft rührt. Es wird erläutert, wie in der Gesellschaft die Kontingenzauflösung durch Rationalität an ihre Grenzen stößt und die Orientierung des Wirtschaftssystems an wirtschaftlicher Rationalität zu einer Selbstgefährdung führt. Zudem wird aufgezeigt, wie Kontingenz die Steuerungsfähigkeit der Politik begrenzt.
The Basso-Dixon formula and Calabi-Yau geometry
Authors: Duhr Claude , Klemm Albrecht , Loebbert Florian , Nega Christoph , Porkert Franziska 
Published: April 2024

Abstract
We analyse the family of Calabi-Yau varieties attached to four-point fishnet integrals in two dimensions. We find that the Picard-Fuchs operators for fishnet integrals are exterior powers of the Picard-Fuchs operators for ladder integrals. This implies that the periods of the Calabi-Yau varieties for fishnet integrals can be written as determinants of periods for ladder integrals. The representation theory of the geometric monodromy group plays an important role in this context. We then show how the determinant form of the periods immediately leads to the well-known Basso-Dixon formula for four-point fishnet integrals in two dimensions. Notably, the relation to Calabi-Yau geometry implies that the volume is also expressible via a determinant formula of Basso-Dixon type. Finally, we show how the fishnet integrals can be written in terms of iterated integrals naturally attached to the Calabi-Yau varieties.
Deep Learning-Based Watermarking Techniques Challenges: A Review of Current and Future Trends
Authors: Ben Jabra Saoussen , Ben Farah Mohamed 
Published: April 2024

AbstractThe digital revolution places great emphasis on digital media watermarking due to the increased vulnerability of multimedia content to unauthorized alterations. Recently, in the digital boom in the technology of hiding data, research has been tending to perform watermarking with numerous architectures of deep learning, which has explored a variety of problems since its inception. Several watermarking approaches based on deep learning have been proposed, and they have proven their efficiency compared to traditional methods. This paper summarizes recent developments in conventional and deep learning image and video watermarking techniques. It shows that although there are many conventional techniques focused on video watermarking, there are yet to be any deep learning models focusing on this area; however, for image watermarking, different deep learning-based techniques where efficiency in invisibility and robustness depends on the used network architecture are observed. This study has been concluded by discussing possible research directions in deep learning-based video watermarking.
Elasto-plasticity theory for large plastic deformation and its use for the material stiffness determination
Authors: Weber Martin , Altenbach Holm 
Published: April 2024

AbstractIn this paper, we present a finite elasto-plasticity theory for large plastic deformations. For the elastic part of the model, we use the St. Venant–Kirchhoff elasticity. The plastic part is described by the isomorphy concept, the yield condition is covered by the isotropic $$J_2$$

J
2

theory of (Huber in Czas Techn 22:34,1904; von Mises in Math Phys 4:582–592, 1913) and (Hencky in ZAMM 9:215–220, 1924), and the yield condition uses the principle of maximum plastic dissipation. The numeric of this theory is discussed and finally implemented in a Fortran code to use it as material law in the UMAT subroutine of the finite element program Abaqus. The material law is validated using different test calculations like tensile and shear tests as well as a large deformation simulation compared to the Abaqus internal material law. Further, we apply this material model to determine the effective material stiffness tetrad of large deformed inhomogeneous materials. For these purposes, we additionally present an automated method for determining material stiffnesses of an arbitrary material in Abaqus.