bluuebunny/crossref_metadata_2025_split huggingface dataset:
Rubber effect on metallic dampers used on the supports of steel cross members
Authors: Balik Fatih Suleyman , Bahadir Fatih 
Published: July 2023

SummaryThere are many strengthening methods made with steel cross members for strengthening the structures with inadequate earthquake behavior. This type of strengthening methods is also effective in buckling of the cross members in the behavior of the structural frames. This buckling may cause partial or complete collapse of the structure. Thus, it is quite important to prevent and limit the formation of buckling in steel crosses. At the TEC 2018, the insulation unit is defined as the elements that can exhibit flexible behavior on the horizontal direction and rigid behavior on the vertical direction under the effect of earthquake loads. The basic principle of using insulation units is that these members can dissipate energy in the carrier system. The originality of this study is to experimentally investigate the damper behavior created by using cylindrical rubber wedges, which can be easily found in the automotive industry, in combination with steel plates and bolts. In this experimental study, the contribution of seismic insulators to the structural element to be strengthened was investigated. The insulators used in this study are considered by analogy with lead‐core rubber insulators. As such seismic lead‐core rubber insulators move under the influence of lateral loads, the lead core inside makes plastic deformation, thus increasing the damping rate. In this insulator study, it is aimed to use U plates or bolts instead of lead core. While vertical loads are covered by rubber support, horizontal loads will be damped due to plastic deformation of U plates or bolts. The five types of seismic dampers were used as 10 B‐type rubber wedge mounted damper (SR), 2 U‐type steel plates damper (SP), 10 M6 steel bolted damper (SB), 2 U‐type steel plates and 10 B‐type rubber wedge mounted damper (SPR), 10 M6 steel bolted, and 10 C‐type rubber wedge mounted damper (SBR). These specimens were tested under lateral loading and constant vertical loading. The results obtained at the end of the tests shall be compared considering the strength, stiffness, and dissipated energy capacities of the specimens.
Influence of grass root density on gas permeability and water retention in water hyacinth‐based biochar amended soil
Authors: Chen Boneng , Zhang Siyi , Huang Xilong , Cai Weiling , Garg Ankit , Bogireddy Chandra 
Published: July 2023

AbstractThe present study focuses on the effect of root density on gas permeability and water retention in biochar‐amended soil used as a cover material in landfills. Biochar amendment of soil is important measurement in landfill cover, while vegetation is an important for ecological restoration. Despite its importance, little attention has been given to the adaptation of vegetated biochar‐amended soil in landfill cover. The interactions between the biochar, vegetation, and soil concerning the gas permeability remain unknown, which may lead to unexpectedly increased waste gas emissions in landfill covers. To enhance the utilization efficiency of biochar amendment and vegetation techniques in landfill covers, further investigation of their coupled effects on gas permeability and water retention is necessary. Four different treatments were applied to manufacture series of soil columns: bare soil (BS), biochar‐soil composite (BSC), vegetated biochar‐soil composite with low planting density (VBSCL) and high planting density (VBSCH). The soil water characteristic curve and gas permeability were observed under natural wetting and drying cycles. The results showed that VBSCL increased gas permeability by 142% as compared to BSC. VBSCH enhanced gas permeability by 168% as compared to BSC. This was due to the spreading and decaying root systems forming preferential pathways for gas transfer. Additionally, VBSCL and VBSCH made around a 10% increase in volume water content at the whole suction range, while BSC just enhanced around 20% water content at the low suction range (less than 10 kPa). The combination of roots and biochar have significantly enhanced water retention during entire suction range due to capillarity.
Yellow Fever Reemergence Risk in the Guiana Shield: a Comprehensive Review of Cases Between 1990 and 2022
Authors: Thomas Caroline , Michaud Céline , Gaillet Mélanie , Carrión-Nessi Fhabián S. , Forero-Peña David A. , Lacerda Marcus Vinícius Guimarães , Duchemin Jean-Bernard , Rodovalho Sheila , Vreden Stephen , Ramos Ruth , Nacher Mathieu , Rousseau Cyril , Sanna Alice , de Waard Jacobus , Tardieu Laurène , Lekieffre Maud , Cossard Yann , Djossou Félix , de Thoisy Benoit , Blanchet Denis , Rousset Dominique , Kallel Hatem , Pujo Jean , Epelboin Loïc 
Published: July 2023

Abstract
Purpose of Review
The aim of this study was to compile all cases of yellow fever (YF) recorded in the Guiana Shield (GS), a region located on the northeastern shore of South America.

Recent Findings
Yellow fever causes several deaths in French Guiana during the last years. In this context, we wanted to know if it was due to a lack of vaccination or a reemergence of YF as in Brazil and if it was the same trouble in the neighborhood countries.

Summary
People living in or returning from the GS with YF-compatible symptoms confirmed by reverse transcriptase polymerase chain reaction between 1990 and 2022 were included. In French Guiana (FG), patients were identified through results from the National Reference Center for Arboviruses at the Pasteur Institute in FG and hospital medical charts. For the other countries, medical literature and the WHO database were reviewed. Public health and infectious diseases specialists were solicited to identify unknown and unpublished cases. Nine patients were identified in the study period: five in FG, two in Venezuela, one in Suriname, one in Brazil, including six autochthonous people, Guiana Shield native, and three tourists. The case fatality rate was 7/9 (78%) within 8 days (range: 7–11 days). The M/F sex ratio was 6/3 (2). They had severe liver involvement progressing to multivisceral failure in 89% of cases. Only the two native Amerindian patients in FG had previously benefited from a YF vaccination in childhood and/or for more than 10 years. In conclusion, the sylvatic cycle of the YF virus is likely to persist in this region. Absence of vaccination or unknown immunization status was documented in most patients (78%). The mortality rate of this case series was high thus highlighting the need to strengthen vaccination coverage for the population and travelers to the GS.
A knowledge-based task planning approach for robot multi-task manipulation
Authors: Zheng Deshuai , Yan Jin , Xue Tao , Liu Yong 
Published: July 2023

AbstractTask planning is a crucial component in facilitating robot multi-task manipulations. Language-based task planning methods offer practicality in receiving commands from humans in real-life scenarios and require only low-cost labeled data. However, existing methods often rely on sequence models for planning, which primarily focus on mapping language to sequences of sub-tasks while neglecting the knowledge about tasks and objects. To overcome these limitations, we propose a knowledge-based task planning approach called Recurrent Graph Convolutional Network (RGCN). It is devised with a novel structure that combined GCN (Kipf and Welling in International Conference on Learning Representations (ICLR), 2017) and LSTM (Hochreiter and chmidhuber in Neural Comput 9 (8): 1735-1780, 1997. https://doi.org/10.1162/neco.1997.9.8.1735) which enables it to leverage knowledge graph data and historical predictions. The experimental results demonstrate that our approach achieves the impressive task planning success rate of $${95.7\%}$$

95.7
%

, surpassing the best baseline method significantly, which achieves $${78.7\%}$$

78.7
%

. Furthermore, we evaluate the performance of multi-task manipulation across a specific set of 20 tasks within a simulated environment. Notably, RGCN combined with pre-trained primitive tasks exhibits the highest success rate compared with state-of-art multi-task learning methods. Our method is proven to be significant for language-conditioned task planning and is qualified for instructing robots for multi-task manipulation.
A many-objective evolutionary algorithm with metric-based reference vector adjustment
Authors: Wang Xujian , Zhang Fenggan , Yao Minli 
Published: July 2023

AbstractTo deal with the inconsistency of the distribution of reference vectors (RVs) and the shape of Pareto front in decomposition-based multiobjective evolutionary algorithms, many literatures proposed to adjust RVs in evolutionary process. However, most of the existing algorithms adjust RVs either in each generation or at a fixed frequency, not considering the evolving information of the population. To tackle this issue, we propose a many-objective evolutionary algorithm with metric-based reference vector adjustment named MBRA. To adjust RVs periodically and conditionally, we use the improvement rate of convergence degree of subproblems computed throughd1distance to reflect the whole convergence of the population. Only when the subproblems are considered convergent on the whole, are RVs allowed to be adjusted: delete the invalid RVs associated with no solutions and add new ones using the farthest solution in the subregion of the most crowded RVs for diversity. Besides, in mating selection and environmental selection, we adopt the sum of objectives and fitness-based sorting based on$$I_{\varepsilon + }$$Iε+as the secondary principles to promote convergence, respectively. Validated through extensive experiments, MBRA is effective and competitive on many-objective optimization problems, especially for problems with irregular Pareto fronts.
Can the Multidimensional Prognostic Index (MPI) be a predictive instrument for mortality in older adult liver transplant candidates?
Authors: Vogliotti Edoardo , Ceolin Chiara , Valenti Matteo , Vanin Jessica , Campodall’Orto Carlotta , Tonon Marta , Zanforlini Bruno Micael , Curreri Chiara , Devita Maria , De Rui Marina , Coin Alessandra , Cillo Umberto , Burra Patrizia , Angeli Paolo , Sergi Giuseppe 
Published: July 2023

Abstract
Purpose
The most recent guidelines recommend that selection of liver transplant recipient patients be guided by a multidimensional approach that includes frailty assessment. Different scales have been developed to identify frail patients and determine their prognosis, but the data on older adult candidates are still inconclusive. The aim of this study was to compare the accuracy of the Liver Frailty Index (LFI) and the Multidimensional Prognostic Index (MPI) as predictors of mortality in a cohort of older people patients being evaluated for liver transplantation.

Methods
This retrospective study was conducted on 68 patients > 70 years being followed at the University Hospital of Padua in 2018. Clinical information on each patient, Model For End-Stage Liver Disease (MELD), Body Mass Index (BMI), Activities of Daily Living (ADL), Mini Nutritional Assessment (MNA), LFI, MPI, and date-of-death, were recorded. The observational period was 3 years.

Results
We studied 68 individuals (25 women), with a mean age 72.21 ± 1.64 years. Twenty-five (36.2%) patients died during the observational period. ROC curve analysis showed both MPI and LFI to be good predictors of mortality (AUC 0.7, p = 0.007, and AUC 0.689, p = 0.015, respectively). MELD (HR 1.99, p = 0.001), BMI (HR 2.34, p = 0.001), and poor ADL (HR 3.34, p = 0.04) were risk factors for mortality in these patients, while male sex (HR 0.1, p = 0.01) and high MNA scores (HR 0.57, p = 0.01) were protective factors.

Conclusion
Our study confirmed the prognostic value of MPI in older adult patients awaiting liver transplantation. In this cohort, good nutritional status and male sex were protective factors, while high MELD and BMI scores and poor functional status were risk factors.
Validierung eines Tests zur Erfassung des mathematikdidaktischen Wissens von Lehramtsstudierenden der Primarstufe
Authors: Jenßen Lars , Lehmann Malte , Laschke Christin , Roesken-Winter Bettina , Eilerts Katja 
Published: July 2023

ZusammenfassungMathematikdidaktisches Wissen stellt eine zentrale Komponente der professionellen Kompetenz von (angehenden) Primarstufenlehrkräften im Bereich Mathematik dar, die mit situationsspezifischen Fertigkeiten zusammenhängt und, vermittelt über das professionelle Handeln, Effekte auf die mathematischen Leistungen von Schüler:innen haben kann. Um mathematikdidaktisches Wissen im Zusammenhang mit anderen Komponenten professioneller Kompetenz (z. B. Emotionen, Überzeugungen, Handlungsplanung, Instruktionsqualität) untersuchen zu können, bedarf es eines ökonomischen und frei verfügbaren Tests, welcher gängige Gütekriterien hinreichend erfüllt. Der vorliegende Beitrag stellt die Validierung eines solchen Tests vor. Entsprechend der Teststandards werden Grundnahmen in den Evidenzkategorien Inhalt, Struktur und Beziehungen zu anderen Variablen untersucht, um zu prüfen, ob die Testscores Schlussfolgerungen zum Konstrukt mathematikdidaktisches Wissen von Lehramtsstudierenden der Primarstufe zulassen. Die Ergebnisse liefern Validitätsargumente, die auf eine hinreichend hohe Reliabilität des Tests hinweisen und für theoriekonforme Schlussfolgerungen basierend auf den Testwerten sprechen. Der Beitrag schließt ab mit einer integrativen Betrachtung der Validierungsevidenzen, die für den Test bisher vorliegen.
Recommender Systems for Outdoor Adventure Tourism Sports: Hiking, Running and Climbing
Authors: Ivanova Iustina , Wald Mike 
Published: July 2023

AbstractAdventure tourism is a popular and growing segment within the tourism industry that involves, but is not limited to, hiking, running, and climbing activities. These activities attract investment from foreign travelers interested in practicing sports while exploring other countries. As a result, many software companies started developing Artificial Intelligence solutions to enhance tourists’ outdoor adventure experience. One of the leading technologies in this field is recommender systems, which provide personalized recommendations to tourists based on their preferences. While this topic is actively being researched in some sports (running and hiking), other adventure sports disciplines have yet to be fully explored. To standardize the development of intelligence-based recommender systems, we conducted a systematic literature review on more than a thousand scientific papers published in decision support system applications in three outdoor adventure sports, such as running, hiking, and sport climbing. Hence, the main focus of this work is, firstly, to summarize the state-of-the-art methods and techniques being researched and developed by scientists in recommender systems in adventure tourism, secondly, to provide a unified methodology for software solutions designed in this domain, and thirdly, to give further insights into open possibilities in this topic. This literature survey serves as a unified framework for the future development of technologies in adventure tourism. Moreover, this paper seeks to guide the development of more effective and personalized recommendation systems.
Seasonal and regional variations of atmospheric ammonia across the South Korean Peninsula
Authors: Park Taehyun , Singh Rahul , Ban Jihee , Kim Kyunghoon , Park Gyutae , Kang Seokwon , Choi Siyoung , Song Jeongin , Yu Dong-Gil , Bae Min-Suk , Ahn Junyoung , Jung Hae-Jin , Lim Yong-Jae , Kim Hyun Woong , Hwang Tae Kyung , Choi Yu Jin , Kim Soo-Young , Kim Hyo Seon , Chang Yu Woon , Shin Hye Jung , Lim Yunsung , Lee Jongtae , Park Jinsoo , Choi Jinsoo , Lee Taehyoung 
Published: July 2023

AbstractThis study aimed to identify the factors causing NH3 emissions in the South Korean Peninsula and West Sea region. To analyze the trends of NH3 and other air pollutants, such as NOx, CO, and NR-PM1, we collected samples from six supersites across the peninsula, a roadside in Seoul, and the West Sea over different sampling periods, ranging from 1 month to 1 year. The highest NH3 concentrations were found at rural areas, ascribed to agricultural activities, particularly NH4NO3 decomposition at high summer temperatures. Areas with low population densities recorded the lowest NH3 concentrations, attributed to the lack of anthropogenic activities. A roadside field experiment confirmed the close link between ambient NH3 and vehicle emissions in urban regions by showing a strong correlation between CO and NOx concentrations and that of NH3. Moreover, we examined oceanic emissions near the eastern coast of South Korea in the West Sea. Long-range transportation studies confirmed that most of the pollutants (NH3, CO, and PM1) were transported by wind from the northeastern region of China. A maritime origin study showed that oceanic emissions and NH4NO3 decomposition in the atmosphere owing to high temperatures were the causing NH3 pollution. These findings provided valuable insights into the emission sources of NH3 in primary air pollutants in South Korea, highlighting the contributions of land-based and oceanic sources. Our study can help inform policymakers and stakeholders for developing effective regional air pollution control strategies.
Alteration of extracellular matrix proteins in atrophic periodontal ligament of hypofunctional rat molars
Authors: Nan Daneeya Na , Everts Vincent , Ferreira Joao N. , Trachoo Vorapat , Osathanon Thanaphum , Klincumhom Nuttha , Pavasant Prasit 
Published: July 2023

AbstractObjectivesThe aim of this study was to investigate the effect of mechanical force on possible dynamic changes of the matrix proteins deposition in the PDL upon in vitro mechanical and in vivo occlusal forces in a rat model with hypofunctional conditions.Materials and methodsIntermittent compressive force (ICF) and shear force (SF) were applied to human periodontal ligament stem cells (PDLSCs). Protein expression of collagen I and POSTN was analyzed by western blot technique. To establish an in vivo model, rat maxillary molars were extracted to facilitate hypofunction of the periodontal ligament (PDL) tissue of the opposing mandibular molar. The mandibles were collected after 4-, 8-, and 12-weeks post-extraction and used for micro-CT and immunohistochemical analysis.ResultsICF and SF increased the synthesis of POSTN by human PDLSCs. Histological changes in the hypofunctional teeth revealed a narrowing of the PDL space, along with a decreased amount of collagen I, POSTN, and laminin in perivascular structures compared to the functional contralateral molars.ConclusionOur results revealed that loss of occlusal force disrupts deposition of some major matrix proteins in the PDL, underscoring the relevance of mechanical forces in maintaining periodontal tissue homeostasis by modulating ECM composition.
Salicylic acid metabolism and signalling coordinate senescence initiation in aspen in nature
Authors: Lihavainen Jenna , Šimura Jan , Bag Pushan , Fataftah Nazeer , Robinson Kathryn Megan , Delhomme Nicolas , Novák Ondřej , Ljung Karin , Jansson Stefan 
Published: July 2023

AbstractDeciduous trees exhibit a spectacular phenomenon of autumn senescence driven by the seasonality of their growth environment, yet there is no consensus which external or internal cues trigger it. Senescence starts at different times in European aspen (Populus tremulaL.) genotypes grown in same location. By integrating omics studies, we demonstrate that aspen genotypes utilize similar transcriptional cascades and metabolic cues to initiate senescence, but at different times during autumn. The timing of autumn senescence initiation appeared to be controlled by two consecutive “switches”; 1) first the environmental variation induced the rewiring of the transcriptional network, stress signalling pathways and metabolic perturbations and 2) the start of senescence process was defined by the ability of the genotype to activate and sustain stress tolerance mechanisms mediated by salicylic acid. We propose that salicylic acid represses the onset of leaf senescence in stressful natural conditions, rather than promoting it as often observed in annual plants.
Coherent movement of error-prone individuals through mechanical coupling
Authors: Pratissoli Federico , Reina Andreagiovanni , Kaszubowski Lopes Yuri , Pinciroli Carlo , Miyauchi Genki , Sabattini Lorenzo , Groß Roderich 
Published: July 2023

AbstractWe investigate how reliable movement can emerge in aggregates of highly error-prone individuals. The individuals—robotic modules—move stochastically using vibration motors. By coupling them via elastic links, soft-bodied aggregates can be created. We present distributed algorithms that enable the aggregates to move and deform reliably. The concept and algorithms are validated through formal analysis of the elastic couplings and experiments with aggregates comprising up to 49 physical modules—among the biggest soft-bodied aggregates to date made of autonomous modules. The experiments show that aggregates with elastic couplings can shrink and stretch their bodies, move with a precision that increases with the number of modules, and outperform aggregates with no, or rigid, couplings. Our findings demonstrate that mechanical couplings can play a vital role in reaching coherent motion among individuals with exceedingly limited and error-prone abilities, and may pave the way for low-power, stretchable robots for high-resolution monitoring and manipulation.
Sulfate triple-oxygen-isotope evidence confirming oceanic oxygenation 570 million years ago
Authors: Wang Haiyang , Peng Yongbo , Li Chao , Cao Xiaobin , Cheng Meng , Bao Huiming 
Published: July 2023

AbstractThe largest negative inorganic carbon isotope excursion in Earth’s history, namely the Ediacaran Shuram Excursion (SE), closely followed by early animal radiation, has been widely interpreted as a consequence of oceanic oxidation. However, the primary nature of the signature, source of oxidants, and tempo of the event remain contested. Here, we show that carbonate-associated sulfate (CAS) from three different paleocontinents all have conspicuous negative 17O anomalies (Δ′17OCAS values down to −0.53‰) during the SE. Furthermore, the Δ′17OCAS varies in correlation with its corresponding δ34SCAS and δ18OCAS as well as the carbonate δ13Ccarb, decreasing initially followed by a recovery over the ~7-Myr SE duration. In a box-model examination, we argue for a period of sustained water-column ventilation and consequently enhanced sulfur oxidation in the SE ocean. Our findings reveal a direct involvement of mass-anomalously 17O-depleted atmospheric O2 in marine sulfate formation and thus a primary global oceanic oxygenation event during the SE.
Liquid-in-liquid printing of 3D and mechanically tunable conductive hydrogels
Authors: Xie Xinjian , Xu Zhonggang , Yu Xin , Jiang Hong , Li Hongjiao , Feng Wenqian 
Published: July 2023

AbstractConductive hydrogels require tunable mechanical properties, high conductivity and complicated 3D structures for advanced functionality in (bio)applications. Here, we report a straightforward strategy to construct 3D conductive hydrogels by programable printing of aqueous inks rich in poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) inside of oil. In this liquid-in-liquid printing method, assemblies of PEDOT:PSS colloidal particles originating from the aqueous phase and polydimethylsiloxane surfactants from the other form an elastic film at the liquid-liquid interface, allowing trapping of the hydrogel precursor inks in the designed 3D nonequilibrium shapes for subsequent gelation and/or chemical cross-linking. Conductivities up to 301 S m−1 are achieved for a low PEDOT:PSS content of 9 mg mL−1 in two interpenetrating hydrogel networks. The effortless printability enables us to tune the hydrogels’ components and mechanical properties, thus facilitating the use of these conductive hydrogels as electromicrofluidic devices and to customize near-field communication (NFC) implantable biochips in the future.