bluuebunny/crossref_metadata_2025_split huggingface dataset:
Risk assessment method in relation to coal mine gas explosion based on safety information loss
Authors: Guo Huimin , Cheng Lianhua , Li Shugang , Jiang Bolin 
Published: March 2024

AbstractConsidering the uncertainty and fuzziness of the risk assessment index of coal mine gas explosion, a risk assessment model of gas explosion based on combinatorial weighting‐unascertained measure of safety information loss is proposed. First, 20 risk indicators are extracted from the six aspects of supply loss, transformation loss, transmission loss, perceived loss, cognition loss, and response loss in the process of safety information flow. The weight vector is constructed by the G1 method and anti‐entropy weight combination weighting method. Then, the single‐index measurement function is used to process the risk index measure. Based on the classification standard of the gas explosion risk assessment index, the single‐index and multi‐index measurement matrices are constructed. And the grade is judged according to the principle of maximum membership. Finally, a mine is selected for case application. The results show that the evaluation results are consistent with the actual situation and the method has certain feasibility. It provides a new idea and method for advanced control and accident prevention of coal mine gas explosion risk.
A reliability analysis and optimization method for a turbine shaft under combined high and low cycle fatigue loading
Authors: Bai Song , Zeng Ying , Huang Tudi , Wang Ke , Huang Hong‐Zhong 
Published: March 2024

AbstractThe combined high and low cycle fatigue (CCF) loading condition and random uncertainty exert a considerable impact on the design of turbine shafts. To enhance the fatigue life and reliability, this research proposes a CCF reliability analysis and optimization method for turbine shafts. A CCF fatigue reliability analysis framework is established, which focuses on the quantification of CCF loading characteristics and random uncertainty. The consideration of CCF loading characteristics contain the loading frequency ratio of high cycle fatigue (HCF) to low cycle fatigue (LCF), the stress amplitude ratio of HCF to LCF, as well as their interaction. The consideration of random uncertainty contains material, geometry and load, and a surrogate model‐based method is introduced to improve the quantification efficiency. Through the validation by comparing with experimental data and traditional methods, the proposed method is with higher accuracy and efficiency. By integrating the proposed fatigue reliability analysis method with design optimization, optimal design values for the turbine shaft were identified. This method theoretically extends the shaft's CCF life and provides practical engineering guidance for its reliability analysis and design.
A man having ‘cyst’ in the ‘cyst’!
Authors: Mehta Asmita A. , Surendran Divya , Radhakrishnan Gopika 
Published: March 2024

Key messageHydatid disease is a zoonotic parasitic infestation caused by tapeworms, particularly Echinococcus granulosus. The lung is the second most site followed by liver accounting for 10%–30% of the cases. Rupture of hydatid cyst can occur into pleura or bronchus. Surgery remains the mainstay of treatment for pulmonary hydatid.
Developing an expansion‐based obstacle detection using panoptic segmentation
Authors: Pirasteh Saied , Varshosaz Masood , Badrloo Samira , Li Jonathan 
Published: March 2024

AbstractSafe Micro Aerial Vehicle (MAV) navigation requires detecting and avoiding obstacles. For safe MAV navigation, expansion‐based algorithms are effective for detecting obstacles. However, accurate and real‐time obstacle detection is a fundamental challenge. Some traditional methods focus on extracting geometric features from images and applying geometric constraints to identify potential obstacles. Others may leverage machine learning algorithms for object detection and classification, using features such as texture, shape, and context to distinguish obstacles from background clutter. The choice of approach depends on factors such as the specific requirements of the application, the complexity of the scene, and the available computational resources. Since obstacles, in reality, take the form of objects (e.g., persons, walls, pillars, trees, automobiles, and other structures), it is preferable to represent them according to human comprehension and as objects. Therefore, the objective of this study is to reflect on the previous research and address the issues mentioned above by extracting objects from the fisheye image using a panoptic deep‐learning network. The extracted object regions are, then, used to identify obstacles with a novel area‐based expansion rate we developed in a previous study. We compared the accuracy of obstacle detection in our proposed method to the existing method when moving forward and to the right; thus, we improved it between 10% and 18%, respectively. In addition, compared with the existing method, and due to replacing a single object with multiple regions, obstacle‐detection runtime for forward and right direction is 15.71 and 25.5 times faster, respectively, and the required match points have decreased by 49% and 55%.
Design and performance analysis of soft pneumatic manipulator‐based linear cutter and stem holder for sweet pepper harvesting
Authors: Tasneem Zinat , Oka Koichi 
Published: March 2024

AbstractEfficient automation of stem‐cutting processes in agricultural practices is crucial but little‐studied for improving productivity and reducing labor‐intensive tasks. To address this need, we present a customized stem cutter and stem holder designed explicitly for sweet pepper harvesting. The stem cutter comprises a fixed plate and a moving plate with a blade, which moves in a single plane at an upward angle of 30° toward the fixed plate. The movement of the blade is facilitated by a soft bellows pneumatic actuator constructed using silicon rubber material. By applying air pressure from a DC air pump, the actuator extends forward, causing the blade part to make contact with the fixed plate and effectively cut the stem. The stem holder holds the stem securely before cutting. It contains two inflatable manipulators made of soft materials that expand inwards when air‐filled, ensuring that the stem is securely held and readily collected after harvest. Both simulation and experimental results are presented, in which the average cutting time was 2.356 s. We believe that these innovations represent an efficient method for automating the stem‐cutting process in sweet pepper cultivation and thus significantly contribute to the field of agricultural robotics.
Application of nonparametric quantifiers for online handwritten signature verification: A statistical learning approach
Authors: Ospina Raydonal , Costa Ranah Duarte , Rêgo Leandro Chaves , Marmolejo‐Ramos Fernando 
Published: March 2024

AbstractThis work explores the use of nonparametric quantifiers in the signature verification problem of handwritten signatures. We used the MCYT‐100 (MCYT Fingerprint subcorpus) database, widely used in signature verification problems. The discrete‐time sequence positions in thex‐axis andy‐axis provided in the database are preprocessed, and time causal information based on nonparametric quantifiers such as entropy, complexity, Fisher information, and trend are employed. The study also proposes to evaluate these quantifiers with the time series obtained, applying the first and second derivatives of each sequence position to evaluate the dynamic behavior by looking at their velocity and acceleration regimes, respectively. The signatures in the MCYT‐100 database are classified via Logistic Regression, Support Vector Machines (SVM), Random Forest, and Extreme Gradient Boosting (XGBoost). The quantifiers were used as input features to train the classifiers. To assess the ability and impact of nonparametric quantifiers to distinguish forgery and genuine signatures, we used variable selection criteria, such as: information gain, analysis of variance, and variance inflation factor. The performance of classifiers was evaluated by measures of classification error such as specificity and area under the curve. The results show that the SVM and XGBoost classifiers present the best performance.
TBAI/TBHP Catalyzed Synthesis of 2,4,6‐Trisubstituted Pyridines from Oxime Acetates Using Benzylamine as an Effective ArCO Surrogate under Transition Metal‐Free Conditions
Authors: Lakshmi Podugu Rajitha , Kadiri Sunanda Kumari , Varaprasad Bodala , Kumari Yettula , Kotyada Satish Kumar , Siddaiah Vidavalur 
Published: March 2024

AbstractAn efficient TBHP/TBAI mediated strategy has been developed for the synthesis of 2,4,6‐trisubstitued pyridines from ketoxime acetates and benzylamines under metal‐free conditions for the first time. In this protocol benzylamine acts as an effective ArCO surrogate. This methodology features use of inexpensive catalysts, avert of additional ligands and additives and high functional group tolerance. Moreover, 5‐Lipoxygenase enzyme inhibitory activities were performed for all synthesised compounds. Among all 2,4,6‐trisubstituted pyridines 3fg, 3fa and 3eg showed good activity.
Microwave Synthesis of (g‐C3N4)−BiVO4: Selective Adsorption and Photocatalytic Activity Towards Dye Degradation
Authors: Claudino Caroline Helena , Scola Rodrigues Bárbara , Marinho Factori Irina , dos Santos de Souza Juliana 
Published: March 2024

AbstractPhotocatalytic degradation of pollutants has been extensively studied. Among the investigated photocatalysts, BiVO4 has emerged as a very promising material. BiVO4 is known for its narrow band‐gap energy suitable for solar‐driven reactions; however, it is subjected to challenges such as charge recombination and slow electron transfer kinetics. Combining BiVO4 with g‐C3N4 proves promising, aligning energy levels and leveraging unique charge transport properties to enhance dye degradation under visible light. This study reports a novel synthesis of g‐C3N4−BiVO4 heterojunction through in‐situ urea pyrolysis, ensuring homogeneous dispersion. While maintaining the monoclinic structure of BiVO4, the heterojunction exhibits increased surface area and a more negative zeta potential, influencing catalyst‐substrate to be degraded interactions. Adsorption studies reveal distinct behaviors with cationic dyes (MB and RhB) forming multilayers, hindering light absorption, and reducing photocatalytic efficiency. Conversely, the heterojunction performs efficiently with the anionic MO dye. Photoelectrochemical studies show that the heterojunction has succeeded in promoting the separation of photogenerated charges. The study lays the groundwork for optimizing synthesis methods and designing nanocomposites with superior photocatalytic activities.
Directed Assembly of Ordered Mixed‐Spacer Quasi‐2D Halide Perovskites through Homomeric Chains of Intermolecular Bonds
Authors: Wei Qingyin , Zhang Fen , Li Xiaoqi , Wu Fafa , Yue Zengshan , Luo Junhua , Liu Xitao 
Published: March 2024

AbstractTwo‐dimensional (2D) halide perovskites (HPs) are of significant interest to researchers because of their natural structural frameworks and intriguing optoelectronic properties. However, the direct fabrication of ordered mixed‐spacer quasi‐2D HPs remains challenging. Herein, a synthetic strategy inspired by the principle of supramolecular synthons is employed for the self‐assembly of a series of ordered mixed‐spacer bilayered HPs. The key innovation involves the introduction of intermolecular hydrogen bonds using a bifunctional 3‐aminopropionitrile cation. Three homogeneous n = 2 structures are obtained, with a subtly ordered perovskite connected by two distinct types of organic cation layers, resulting in a recurrent ABABʹ stacking sequence. These three compounds exhibit attractive semiconducting properties. Moderate bandgaps in the range of 2.70 to 2.76 eV with an absorption wavelength range of 448–459 nm exhibit excellent photoelectric response. Moreover, the ordered structures facilitate excellent polarization‐sensitive photodetection, with an impressive on/off ratio of 103. The response speed ranged from 298 to 381 µs, and the out‐of‐plane polarization‐related dichroism ratio is determined to be 1.19. Such ordered mixed‐spacer bilayered perovskites have not been reported. These results enrich the HPs system and play a significant role in the direct assembly of novel perovskites with ordered structures.
Nanodiamonds: A Cutting‐Edge Approach to Enhancing Biomedical Therapies and Diagnostics in Biosensing
Authors: Hyder Ali , Ali Akbar , Buledi Jamil A. , Memon Ayaz Ali , Iqbal Muzaffar , Bangalni Talib Hussain , Solangi Amber R. , Thebo Khalid Hussain , Akhtar Javeed 
Published: March 2024

AbstractNanodiamonds (NDs) have garnered attention in the field of nanomedicine due to their unique properties. This review offers a comprehensive overview of NDs synthesis methods, properties, and their uses in biomedical applications. Various synthesis techniques, such as detonation, high‐pressure, high‐temperature, and chemical vapor deposition, offer distinct advantages in tailoring NDs′ size, shape, and surface properties. Surface modification methods further enhance NDs′ biocompatibility and enable the attachment of bioactive molecules, expanding their applicability in biological systems. NDs serve as promising nanocarriers for drug delivery, showcasing biocompatibility and the ability to encapsulate therapeutic agents for targeted delivery. Additionally, NDs demonstrate potential in cancer treatment through hyperthermic therapy and vaccine enhancement for improved immune responses. Functionalization of NDs facilitates their utilization in biosensors for sensitive biomolecule detection, aiding in precise diagnostics and rapid detection of infectious diseases. This review underscores the multifaceted role of NDs in advancing biomedical applications. By synthesizing NDs through various methods and modifying their surfaces, researchers can tailor their properties for specific biomedical needs. The ability of NDs to serve as efficient drug delivery vehicles holds promise for targeted therapy, while their applications in hyperthermic therapy and vaccine enhancement offer innovative approaches to cancer treatment and immunization. Furthermore, the integration of NDs into biosensors enhances diagnostic capabilities, enabling rapid and sensitive detection of biomolecules and infectious diseases. Overall, the diverse functionalities of NDs underscore their potential as valuable tools in nanomedicine, paving the way for advancements in healthcare and biotechnology.
Regulatory T cells subgroups in the tumor microenvironment cannot be overlooked: Their involvement in prognosis and treatment strategy in melanoma
Authors: Huang Wenyi , Kim Byeong Seop , Zhang Yichi , Lin Li , Chai Gang , Zhao Zhijie 
Published: March 2024

AbstractBackgroundMelanoma, the most lethal form of skin cancer, presents substantial challenges despite effective surgical interventions for in situ lesions. Regulatory T cells (Tregs) wield a pivotal immunomodulatory influence within the tumor microenvironment, yet their impact on melanoma prognosis and direct molecular interactions with melanoma cells remain elusive. This investigation employs single‐cell analysis to unveil the intricate nature of Tregs in human melanoma.MethodsSingle‐cell RNA and bulk sequencing data, alongside clinical information, were obtained from public repositories. Initially, GO and GSEA analyses were employed to delineate functional disparities among distinct cell subsets. Pseudotime and cell–cell interconnection analyses were conducted, followed by an endeavor to construct a prognostic model grounded in Treg‐associated risk scores. This model's efficacy was demonstrated via PCA and K‐M analyses, with multivariate Cox regression affirming its independent prognostic value in melanoma patients. Furthermore, immune infiltration analysis, immune checkpoint gene expression scrutiny, and drug sensitivity assessments were performed to ascertain the clinical relevance of this prognostic model.ResultsFollowing batch effect correction, 80 025 cells partitioned into 31 clusters, encompassing B cells, plasma cells, endothelial cells, fibroblasts, melanoma cells, monocytes, macrophages, and T_NK cells. Within these, 4240 CD4+ T cells were subclassified into seven distinct types. Functional analysis underscored the immunomodulatory function of Tregs within the melanoma tumor microenvironment, elucidating disparities among Treg subpopulations. Notably, the ITGB2 signaling pathway emerged as a plausible molecular nexus linking Tregs to melanoma cells. Our prognostic signature exhibited robust predictive capacities for melanoma prognosis and potential implications in evaluating immunotherapy response.ConclusionTregs exert a critical role in immune suppression within the melanoma tumor microenvironment, revealing a potential molecular‐level association with melanoma cells. Our innovative Treg‐centered signature introduces a promising prognostic marker for melanoma, holding potential for future clinical prognostic assessments.
Earth Science and Extractive Capitalism in the Age of Empire
Authors: Rieppel Lukas 
Published: March 2024

AbstractThis chapter situates the practice of geology within the history of European imperialism, arguing that the earth sciences are deeply bound up with the political economy of extractive capitalism. On a mundane level, the practice of geology primarily consists of extracting specimen collections from far-flung parts of the world to make broader claims about the history, morphology, and physical structure of the earth. In addition, the earth sciences also developed in tandem with the imperial project of resource extraction. In what follows, I draw out these connections by offering a schematic history of geology that links the practice of science to the political economy of extractive capitalism.
Land, Mines, and Bones: African History and Deep Knowledges of the Earth
Authors: Manias Chris 
Published: March 2024

AbstractThis chapter considers the connections between histories of the earth sciences (and knowledges of the earth more generally) and African history. It argues there is great potential synergy between them, both fields providing cross-disciplinary and long-durational means of considering the history of knowledge and engagement with the earth, especially through different forms of conceptual, political, and economic power. This is followed across two sections. The first is the history of mining and use of mineral resources in Africa, which has been a dynamic field, aiming to recover the agency and importance of African actors, processes, and institutions, while engaging with the importance of mineral extraction for the formation of colonial systems and maintenance of global inequalities. And secondly, the chapter examines the historiography of the sciences of ancient life as related to Africa, especially palaeontology and palaeoanthropology, and how these more conceptual fields have been entangled with values and engagements with African nature, and citations of the importance of the continent to the whole of humanity.
Mapping the Ambiguous—Intercultural Encounters in Matteo Ricci’s World Map Kunyu Wanguo Quantu
Authors: Kästl Michaela 
Published: March 2024

AbstractThis article highlights the complex nature of intercultural cooperation in the early Jesuit Mission in China through the example of the world map Kunyu wanguo quantu—Complete Geographical Map of Ten Thousand Countries (1603), a work most commonly attributed to Matteo Ricci S.J. Based on current research in the fields of the history of cartography as well as translation studies, I argue that the map itself is reflective of a collaborative construction process and can thus be interpreted as a space of encounter. In this space, literal and cultural translation processes between the actors took place and shaped the map as a whole. By zooming in and out of the map and playing with different levels of focus, said translation processes, and the resulting ambiguities, can be detected and analyzed, revealing the collaboration between Ricci and Chinese literati such as Li Zhizao, two authors who held various coinciding and contradicting views and whose power relationship to each other was ambiguous.
Lost in Transmission. Maps of Japan by Daikokuya Kōdayū 大黒屋 光太夫 (1751–1828)*
Authors: Dorofeeva-Lichtmann Vera , Simonova-Gudzenko Ekaterina 
Published: March 2024

AbstractThe maps of Japan by Daikokuya Kōdayū (1751–1828) were drawn during the author’s detention in Russia (1783–1792). Though rooted in Japanese cartographic tradition, they do not copy any known map of Japan. Because they were created specifically for “foreign” usage, they contain a wealth of translations and comments. All of the maps are large-scale coloured manuscripts (ca. 65–75 × 120–150 cm) and resemble one another but are not identical. We begin by determining when and where Kōdayū could have made his maps and comparing the material attributes and general characteristics of the extant copies. Then we go on to trace the maps’ afterlife, placing special emphasis on the Asch Collection. Kōdayū’s work amounts to a multi-lingual diachronic enterprise of drawing and translating a map of Japan for the benefit of the Russian state. The focus of our study is to analyze why this so very interesting enterprise failed: hardly had the maps been completed than they were sent off to Germany as curiosities—or simply forgotten.
Politiken der Übersetzung – Übersetzung von Machtbeziehungen. Ein Nachwort
Authors: Flüchter Antje , Lüsebrink Hans-Jürgen 
Published: March 2024

ZusammenfassungKomplementär zu den im Vorwort entwickelten Überlegungen, stehen im Nachwort vier Reflexionsstränge theoretischer Ausrichtung im Mittelpunkt: zunächst die an Ansätze von Michel Foucault anschließende theoretische Reflexion über die Beziehung von Übersetzung, Politik und Macht, die sich in unterschiedlichen Phänomenen wie dem politischen Einfluss auf Übersetzungsprojekte oder auch der kulturellen Hegemonie bestimmter Ausgangs- und Zielsprachen in der Übersetzungspraxis zeigt. Zweitens die Reflexion über die Rolle unterschiedlicher, semiotisch gefasster Materialitäten und Textsorten im Kontext von Übersetzungen, die eine notwendige systematische Ausweitung des traditionellen Übersetzungsbegriffs über verbale und schriftbasierte Zeichen hinaus impliziert. Drittens wird Übersetzen als komplexe (inter-)kulturelle Kontaktzone reflektiert, in der sich zwischen den häufig in der Forschungsdiskussion schematisch unterschiedenen Polen der ‚Domestication‘ und der ‚Foreignization‘ bei genauer Betrachtung ebenso vielfältige wie ambivalente transkulturelle und machtbestimmte Prozesse des Aushandelns von Bedeutungen beobachten lassen.