bluuebunny/crossref_metadata_2025_split huggingface dataset:
Modellierung und Analyse textiler Fassaden mit vertikalem Wassertransport
Authors: Gschweng Melanie , Eisenbarth Christina , Haase Walter , Sawodny Oliver , Böhm Michael 
Published: August 2024

Zusammenfassung
Fassaden zur Klimaanpassung (FKA) können dem Hitzeinseleffekt in dicht bebauten Innenstädten entgegenwirken. Durch Regenwasseraufnahme und Verdunstung an heißen, trockenen Tagen eignet sich ihre Anbringung vor allem an Hochhäusern mit viel Fassadenfläche. Zur Untersuchung des dynamischen Systemverhaltens wird eine FKA phänomenologisch über partielle Differentialgleichungen modelliert. Das Modell wird auf Basis einer Transportgleichung und Energiebilanzen hergeleitet. Durch die Untersuchung von stationären Zuständen werden Empfehlungen für Betriebsstrategien gegeben.
Datenbasierter Entwurf von Einbettungsbeobachtern unter Nutzung von Automatischem Differenzieren
Authors: Fiedler Julius , Gerbet Daniel , Röbenack Klaus 
Published: August 2024

ZusammenfassungHigh-Gain-Beobachter werden häufig verwendet, um den aktuellen internen Zustand nichtlinearer Systeme zu schätzen. Der Ansatz beruht auf der Transformation in die Beobachtbarkeitsnormalform und mitunter auf der Einbettung des Systems in einen höherdimensionalen Raum. Obwohl dies Vorteile in Bezug auf Existenzbedingungen und Konvergenz bieten kann, sind die rechnerischen und implementierungsbezogenen Aufgaben oft abschreckend. In diesem Beitrag gehen wir einige dieser Herausforderungen an, indem wir neuronale Netze und automatisches Differenzieren verwenden, um die erforderlichen Funktionen für die Implementierung des Beobachters zu approximieren. Dies bietet einen pragmatischen Ansatz, um einige der mit der Einbettung von Beobachtern verbundenen Probleme zu umgehen.
Bioelectrochemical biosensors for water quality assessment and wastewater monitoring
Authors: Bindu Anagha , Bhadra Sudipa , Nayak Soubhagya , Khan Rizwan , Prabhu Ashish A. , Sevda Surajbhan 
Published: August 2024

Abstract
Bioelectrochemical biosensors offer a promising approach for real-time monitoring of industrial bioprocesses. Many bioelectrochemical biosensors do not require additional labelling reagents for target molecules. This simplifies the monitoring process, reduces costs, and minimizes potential contamination risks. Advancements in materials science and microfabrication technologies are paving the way for smaller, more portable bioelectrochemical biosensors. This opens doors for integration into existing bioprocessing equipment and facilitates on-site, real-time monitoring capabilities. Biosensors can be designed to detect specific heavy metals such as lead, mercury, or chromium in wastewater. Early detection allows for the implementation of appropriate removal techniques before they reach the environment. Despite these challenges, bioelectrochemical biosensors offer a significant leap forward in wastewater monitoring. As research continues to improve their robustness, selectivity, and cost-effectiveness, they have the potential to become a cornerstone of efficient and sustainable wastewater treatment practices.
DEM investigation on flow regime transition of cylindrical particle in a rotating drum
Authors: Chen Guoqing , Mei Yuting , Zhang Yong , Jin Baosheng 
Published: August 2024

Abstract
A comprehensive understanding of the flow regime transition is a prerequisite for designing and operating the rotating drum, especially when dealing with non-spherical particles. In this study, the multi-sphere method was used to construct cylindrical particles. The optimal number of spherical elements for particles with different aspect ratios was determined in terms of kinetic energy, rotational kinetic energy, collision number, collision force, deformation and angle of repose. And the effects of filling rate, rotational speed and particle size on the macro- and micro-behavior of cylindrical particles were systematically investigated. The results show that when the aspect ratio of cylindrical particle is 2, 3 and 4, the optimal number of spherical elements are 5, 8, and 10, respectively. Four flow structures, namely rolling, cascading, cataracting and centrifuging, were identified with the increase of the rotation speed, but the transition boundary from rolling to cascading is not clear due to the irregular particle shape. Three flow structures, namely slipping, transition, and cascading, were identified with the increase of the filling degree. The transition diagram of flow regime was established. The results show that the aspect ratio has a great influence on the flow transition from slipping to cascading regime. The area covered by the transition flow regime expands as the aspect ratio increases, necessitating a greater filling degree to achieve a stable rolling flow regime.
“Librarying” Under the Candlelight: The Impact of Electricity Power Outages on Library Services
Authors: Bangani Siviwe 
Published: August 2024

Abstract
Power outages have become pervasive in many Global South countries causing serious disruption to economies, psycho-social well-being, and industries including libraries. Occasionally, these power outages and their implications are felt in Global North countries too, mainly as a result of natural disasters whose occurrence has become too common due to global warming. This study sought to assess the impact of power outages on library services. The method employed was desk research which relied on a literature review and the lived experiences of the researcher who is based in South Africa, one of the countries that experienced almost daily periodic power outages as a result of the imposition of load shedding. The results show that power outages disrupt daily services of libraries resulting in difficulties in accessing electronic resources and services causing library hours to be adjusted and even closures. Power outages often lead to great frustration and anger from clients and librarians alike. Based on the available literature, some remedies are suggested to cushion the blow to clients and libraries. However, these remedies can only be temporary solutions. Ultimately, it is recommended that libraries should tackle the issue of load shedding collectively by either negotiating favourable deals with alternative energy providers and/or in negotiations with governments to, as far as possible, exempt and prioritise libraries in cases of power outages. This will aid in stemming the negative effects on education, access to information, and other efforts to actualise sustainable development.
On the Harary Estrada index of graphs
Authors: Oboudi Mohammad Reza 
Published: August 2024

Abstract
Let

G

G

be a connected graph with

n

n

vertices

v

1

,

…

,

v

n

{v}_{1},\ldots ,{v}_{n}

. The Harary matrix of

G

G

, denoted by

H

(

G

)

H\left(G)

, is an

n
×
n

n\times n

matrix with a zero main diagonal, where the

(

i
,
j

)

\left(i,j)

-entry is

1

d

(

v

i

,

v

j

)

\frac{1}{d\left({v}_{i},{v}_{j})}

for

i
≠
j

i\ne j

, and

d

(

v

i

,

v

j

)

d\left({v}_{i},{v}_{j})

represents the distance between

v

i

{v}_{i}

and

v

j

{v}_{j}

. Let

ρ

1

,

…

,

ρ

n

{\rho }_{1},\ldots ,{\rho }_{n}

be the eigenvalues of

H

(

G

)

H\left(G)

. The Harary Estrada index of

G

G

is defined as

HEE

(

G

)

=

∑

i
=
1

n

e

ρ

i

{\rm{HEE}}\left(G)=\mathop{\sum }\limits_{i=1}^{n}{e}^{{\rho }_{i}}

. In this article we study Harary Estrada index and find some new sharp bounds for the Harary Estrada index of graphs. Our results generalize and improve the previous bounds on the Harary Estrada index of graphs. Finally, we obtain some Nordhaus-Gaddum type inequalities for the Harary Estrada index of graphs.
Effects of Plyometric Training on Running Biomechanics and Jumping Ability of U14 Athletes
Authors: Cardiel-Sánchez Silvia , Rubio-Peirotén Alberto , Molina-Molina Alejandro , García-Cebadera Gómez Carlos , Almenar-Arasanz Alejandro , Ráfales-Perucha Andrés , Roche-Seruendo Luis E. , Cartón-Llorente Antonio 
Published: August 2024

Abstract
Cardiel-Sánchez, S, Rubio-Peirotén, A, Molina-Molina, A, García-Cebadera Gómez, C, Almenar-Arasanz, A, Ráfales-Perucha, A, Roche-Seruendo, LE, and Cartón-Llorente, A. Effects of plyometric training on running biomechanics and jumping ability of U14 athletes. J Strength Cond Res XX(X): 000–000, 2024—Children under the age of 14 years (U14) are particularly susceptible to musculoskeletal disorders because of growth spurts. Plyometric training has been shown to be beneficial for both injury reduction and performance enhancement. The aim of this study was to evaluate the effects of plyometric training on the jumping ability and running biomechanics of U14 track-and-field athletes. A single-blind randomized controlled trial was conducted. Thirty-five (18 female and 17 male) U14 athletes (age: 12.5 ± 1.2 years; height: 152.3 ± 7.7 cm; body mass: 47.3 ± 6.9 kg) were randomized into experimental and control groups. All subjects completed their usual training for 4 weeks, and those in the intervention group added a low-volume plyometric program twice a week. Preintervention and postintervention assessments included a countermovement jump (CMJ) to determine maximum jump height, 10-second repeated jumps to assess reactive strength index (RSI), and a 3-minute run at 12 km·h−1 to analyze running kinematics contact time, flight time, step length (SL), step frequency (SF), mean power output, vertical spring stiffness, and leg spring stiffness (LSS). The results revealed no main effect of time for any of the variables. A group-by-time interaction was found for RSI (p = 0.045) in the intervention group, whereas a significant increase in LSS was also found after the intervention (p = 0.031). However, no changes in CMJ height or other running parameters were observed. The significance level for the study was set at ρ ≤ 0.05. Plyometric-jump training may improve the stretch-shortening cycle in U14 athletes by increasing RSI and LSS. Athletes and coaches in running-related sports should be aware of these short-term effects when aiming to optimize the energy storage and release mechanism.
The Immediate Effects of a Standardized Kettlebell Swing Protocol on Lumbar Paraspinal Muscle Function: A Randomized Controlled Trial
Authors: Hanney William J. , Perez Andrew , Collado Gabriel , Palmer Alison C. , Wilson Abigail T. , Richardson Randi M. , Kolber Morey J. 
Published: August 2024

Abstract
Hanney, WJ, Perez, A, Collado, G, Palmer, AC, Wilson, AT, Richardson, RM, and Kolber, MJ. J Strength Cond Res XX(X): 000–000, 2024—Kettlebell swings (KBSs) are commonly used to target the lumbar erector spinae and lower body musculature. This exercise exhibits distinct loading properties that requires cyclical contraction of the trunk extensors and posterior chain, potentially explaining its novel influence on muscle contractility. Tensiomyography (TMG) is a reliable, noninvasive, passive technique that may be used to examine muscular fatigue produced by exercises such as KBSs. The purpose of this randomized control trial was to determine the extent of muscle fatigue in the lumbar erector spinae musculature following the performance of a previously published high-intensity interval KBS protocol. Forty-one adults between the ages of 18 and 45 years were recruited. Inclusion criteria included subjects with no recent history of low back pain and clearance by the physical activity readiness questionnaire. Subjects were randomly allocated to either a KBS group (n = 21) or a control group (CON; n = 20) who only performed the unloaded warm-up. Subjects were assessed at baseline, postintervention, and 24-hours postintervention for bilateral erector spinae fatigue, measured by 5 TMG parameters (Dm, Tc, Tr, Td, and Ts). The results were evaluated through a 2 × 3 (group × time) repeated-measures analysis of variance. The level of significance was set at p ≤ 0.05. There was no significant difference in lumbar erector spinae fatigue, measured by the 5 TMG parameters (p ≥ 0.079), following the interval KBS protocol in comparison with the CON group at 3 assessment periods. A high-intensity interval KBS protocol failed to produce significant differences in erector spinae fatigue compared with the control group that did not perform a KBS. These findings warrant further investigation into muscle fatigue produced with higher intensity protocols and possibly suggest, depending on the programming goals, the need for an alternate KBS training parameters.
Acute Effects of Foam Rolling vs. Vibration Foam Rolling on Blood Flow Parameters in Professional Soccer Players: A Randomized Crossover Design
Authors: Padrón-Cabo Alexis , Alonso-Calvete Alejandra , Radzimiński Łukasz , Rey Ezequiel , Lorenzo-Martínez Miguel 
Published: August 2024

Abstract
Padrón-Cabo, A, Alonso-Calvete, A, Radzimiński, Ł, Rey, E, and Lorenzo-Martínez, M. Acute Effects of foam rolling vs. vibration foam rolling on blood flow parameters in professional soccer players: a randomized crossover design. J Strength Cond Res XX(X): 000–000, 2024—The study aimed to compare the effects of foam roller (FR) and vibration foam roller (VFR) on blood flow parameters, measured by Doppler ultrasonography in professional soccer players. A randomized crossover design was used, and 10 professional soccer players participated in 3 experimental sessions: FR, VFR, and a control condition (CC). The maximum velocity (MVel) and maximum volume (MVol) blood flow parameters were measured in the common femoral artery of the dominant leg at 5 different time points as follows: before (pre), immediately after (post 0′), 10 (post 10′), 20 (post 20′), and 30 minutes (post 30′) after the intervention. Both FR and VFR involved two 45-second sets with 15-second rest between sets in the quadriceps and hamstring, while CC required sitting for 240 seconds. The FR condition showed a significant increase in MVel (p < 0.01) at all time points after the intervention, and an increase in MVol (p < 0.05) only at post 0′ compared with pre. The VFR condition showed a significant (p < 0.05) increase in MVel at post 0′ and post 10′ and an increase (p < 0.05) in MVol at post 0′ compared with pre. In comparison with CC, the FR and VFR conditions presented significantly (p < 0.05) higher MVel values at post 0′, post 10′, post 20′, and post 30′ than CC. For both FR and VFR conditions, the MVol not only revealed a significant (p < 0.05) increase at post 0′ but also at post 10′ for VFR compared with CC. In summary, the FR and VFR interventions demonstrated a similar increase in blood flow parameters, suggesting that both strategies may accelerate physiological recovery in elite soccer players.
Influence of Grip Width on the Load-Velocity Relationship and 1 Repetition Maximum Value in the Bench Press Exercise: A Comparative and Reliability Analysis of Mean Velocity Vs. Mean Propulsive Velocity Vs. Peak Velocity
Authors: Herrera-Bermudo José Carlos , Puente-Alcaraz Carlos , Díaz-Sánchez Pablo , González-Badillo Juan José , Rodríguez-Rosell David 
Published: August 2024

Abstract
Herrera-Bermudo, JC, Puente-Alcaraz, C, Díaz-Sánchez, P, González-Badillo, JJ, and Rodríguez-Rosell, D. Influence of grip width on the load-velocity relationship and 1 repetition maximum value in the bench press exercise: a comparative and reliability analysis of mean velocity vs. mean propulsive velocity vs. peak velocity. J Strength Cond Res XX(X): 000–000, 2024—This study aimed to analyze the reliability and compare the load (percentage of 1 repetition maximum [%1RM])-velocity relationship, bar displacement (DIS), the 1RM, and the velocity attained against the 1RM value (V1RM) in the bench press exercise using 3 different bar grip widths: narrow (120% of the biacromial distance [BD]), medium (160%), and wide (200%). A group of 54 healthy, physically active men randomly performed a total of 6 incremental tests (1 week apart) up to 1RM (2 with each bar grip width) on a Smith machine. The mean velocity (MV), mean propulsive velocity (MPV), peak velocity, and DIS were recorded for the subsequent analysis. The 3 velocity variables showed high relative (intraclass correlation coefficient: 0.90–0.97) and absolute (coefficient of variation: 2.21–9.38%) reliability in all grip widths against all relative loads. The 1RM value and the V1RM present high absolute and relative reliability in all grip widths. There are no significant differences in the value of 1RM and V1RM between grip widths. High relationships were observed between the relative load (%1RM) and velocity variables, with MPV showing the best fit. Significant greater values in MPV, MV, and DIS associated with each %1RM were observed for narrow and medium compared with wide grip width. In conclusion, our results suggest that the 3 velocity variables were highly reliable at the different grip widths used against all relative loads. In addition, there was a tendency to reach higher MV, MPV, and DIS values as the grip width decreased. Therefore, this factor should be considered for the assessment and design of training.
The Effect of Waistbands on Intra-Abdominal Pressure and Respiratory Mechanics During Bodyweight Exercise
Authors: Leahy Michael G. , Kipp Shalaya , Sheel A. William 
Published: August 2024

Abstract
Leahy, MG, Kipp, S, and Sheel, AW. The effect of waistbands on intra-abdominal pressure and respiratory mechanics during bodyweight exercise. J Strength Cond Res XX(X): 000–000, 2024—Athletic apparel is often designed with high-waisted, elastic bands around the abdomen to provide comfort and support during functional exercises. The abdominal musculature aids in both active respiration and trunk stability during the exercise, but whether high-waistband athletic garments affect pulmonary function and respiratory mechanics is unknown. Ten healthy women participated in a single-visit study. Subjects were fitted with esophageal and gastric balloon-tipped catheters and completed three bouts of isometric and dynamic bodyweight squats, lunges, and planks, during which ventilation and pulmonary pressures were continuously recorded. Resting pulmonary function was unchanged by high-waistband garments. During isometric squatting exercise, peak abdominal pressure was significantly greater while wearing high-waistband garments (17 ± 6 cmH2O), relative to low-waistband garments (15 ± 6 cmH2O, p = 0.032). The work of breathing was reduced when completing dynamic squat exercise in a high-waistband garment (16.2 ± 3.9 J·min−1), relative to a low-waistband garment (18.6 ± 5.7 J·min−1, p = 0.026). High waistbands had no effect on abdominal pressures or pulmonary mechanics during lunge or plank exercises. We believe our findings indicate that high-waistband garments have the capacity to alter abdominal and ventilatory mechanics during bodyweight squatting exercises but are unlikely to have an effect during other exercise movements.
Concepções de linguagem e o ensino da leitura em língua materna
Authors: Francine Fuza Ângela , Cristina Greco Ohuschi Márcia , José Menegassi Renilson 
Published: August 2024

A linguagem é concebida de maneira diferente a cada momento social e histórico, o que ratifica seu caráter dinâmico no meio social. Sendo assim, ao considerar os paradigmas existentes em cada momento ideológico, é possível demarcá-los como: Subjetivismo Idealista, Objetivismo Abstrato e a concepção dialógica de linguagem defendida pelo Círculo de Bakhtin. Desse modo, este artigo apresenta uma reflexão teórica, destacando os postulados a respeito das concepções de linguagem, demonstrando as concepções de leitura a elas atreladas, juntamente com atividades de livros didáticos que envolvem o trabalho com o ensino da língua materna. Essa reflexão, fruto de discussões do grupo de pesquisa Interação e Escrita (UEM-CNPq – www.escrita.uem.br), evidencia que os paradigmas coexistem no contexto de estudos da linguagem e se inter-relacionam.
PARTISIPASI MASYARAKAT DALAM PENGOLAHAN ECENG GONDOK DI BENDUNGAN JATILUHUR
Authors: Pratama Yudhistira Anugerah , Resnawaty Risna , Raharjo Santoso Tri 
Published: August 2024

Abstract. One of the strategic locations in West Java, the Jatiluhur Dam, has an impact on increasing the amount of pollution contained in it, including excessive water hyacinths. To deal with this problem, Presidential Regulation Number 60 of 2021 has also been issued. The purpose of this study is to explain community participation based on the four dimensions of participation described by Wilson & Wilde, namely influence, inclusivity, communication, and capacity. Qualitative descriptive methods are used. The results showed that the community participated in the processing of water hyacinths at the Jatiluhur Dam. Capacity is the most dominant dimension, but other factors, such as influence, inclusion, and communication, are still important to develop in capacity development. In addition, the researchers also suggest conducting further research by considering the latest obstacles and potentials to see the effect of statistical participation on community welfare.Keywords: Influence; inclusivity; communication; capacity; water hyacinth. Abstrak. Salah satu lokasi strategis di Jawa Barat, Bendungan Jatiluhur, berdampak pada peningkatan jumlah polusi yang tertampung di dalamnya, termasuk eceng gondok yang berlebihan. Untuk menangani masalah ini, Peraturan Presiden Nomor 60 Tahun 2021 juga telah dikeluarkan. Tujuan penelitian ini adalah untuk menjelaskan partisipasi masyarakat berdasarkan empat dimensi partisipasi yang dijelaskan oleh Wilson & Wilde, yaitu pengaruh, inklusivitas, komunikasi, dan kapasitas. Metode deskriptif kualitatif digunakan. Penelitian ini menunjukkan bahwa masyarakat berpartisipasi dalam pengolahan eceng gondok di Bendungan Jatiluhur. Kapasitas adalah dimensi yang paling dominan, tetapi faktor lain, seperti pengaruh, inklusi, dan komunikasi, masih penting untuk dikembangkan dalam pengembangan kapasitas. Selain itu, peneliti juga menyarankan untuk melakukan penelitian lanjutan dengan mempertimbangkan hambatan dan potensi terbaru guna melihat pengaruh partisipasi secara statistik terhadap kesejahteraan masyarakat.Kata Kunci: Pengaruh; inklusivitas; komunikasi; kapasitas; eceng gondok.
Distance Magic Labeling of Corona Product of Graphs
Authors: Nadeak Christyan Tamaro 
Published: August 2024

Let G = (V, E) is a graph with order n, and f: V(G) → {1,2,...,n} is a bijection. For any vertex v ϵ V, the sum of f(u) is called the weight of vertex v, denoted by w(v), where N(v) is the set of neighbors of vertex v. If the labeling f satisfies that there exists a constant k such that w(v)=k, for every vertex v in the graph G, then f is called a distance magic labeling for the graph G. If a graph G has a distance magic labeling, then G is called a distance magic graph. This paper presents a novel result that has not been extensively explored in previous research on the distance magic labeling for the corona product between several families of graphs, such as a complete, cycle, path, and star graph.Keywords: distance magic labeling; corona product; complete graph; cycle graph; path graph; star graph. AbstrakMisalkan G = (V, E) adalah graf berorde n, dan f: V(G) → {1,2,...,n} merupakan suatu bijeksi. Untuk sebarang titik vϵ V, jumlahan dari f(u) merupakan bobot dari titik v dan dinotasikan dengan w(v), dengan N(v) merupakan himpunan tetangga dari titik v. Jika pelabelan f memenuhi terdapat suatu konstanta k sehingga w(v)=k, untuk setiap titik v yang terdapat pada graf G, maka f disebut sebagai pelabelan ajaib jarak bagi graf G. Jika suatu graf G memiliki pelabelan ajaib jarak, maka G disebut sebagai graf ajaib jarak. Paper ini memberikan hasil yang belum pernah dibahas sebelumnya, yaitu pelabelan ajaib jarak untuk operasi korona antara beberapa keluarga graf, seperti graf lengkap, graf siklus, graf lintasan, dan graf bintang.Kata Kunci: pelabelan ajaib jarak; operasi korona; graf lengkap; graf siklus; graf lintasan; graf bintang. 2020MSC: