bluuebunny/crossref_metadata_2025 huggingface dataset:
Implementation of a queue with priority with parameterizable variables to improve QoS
Authors: Lasso-Cardona Luis Adrián , Mejía-Vergara Jesús David , Grajales-Cabrera Jacobo
Published: October 2021

This article presents the implementation of a priority queue with simulated parameterized components on the scenario of a banking institution in which four main elements were used: 1) the dispenser, 2) the cashier(s), 3) the server that receives and assigns the priority of the turns, and 4) a screen that displays the order of the turns. In any banking institution, there is always a large number of users that require attention, so they implement special turns to give priority to customers, improving the quality of service. One of the important elements within the cycle of service provision is related to the waiting lines, commonly called queues. Basically one queue is managed with the First-In, First-Out discipline. In this aspect, disciplines such as queuing theory help to understand the behavior of queues by examining all the components of the waiting lists. One of the most used disciplines for the management of a queue, is the enqueue with priority. In a priority queue, the element with the highest priority is removed before any other elements. The research was carried out using mainly a quantitative approach. The main goal of this type of research is the formulation and demonstration of theories and seeks that the studies carried out can be replicated. The algorithm implemented highly parameterizable allowed the correct simulation of a priority queue that can be taken as a basis for a subsequent application in any type of organization.
Identification and fault detection in actuator using NN-NARX
Authors: Hurtado-Cortés Luini Leonardo , Forero-Casallas John Alejandro
Published: October 2021

In this paper, the use of a Nonlinear Auto Regressive eXogenous Neural Networks model or NN-NARX for identification and fault detection in the actuator of an industrial thermal process is presented. Initially, the techniques of fault detection and diagnosis are exposed; then, emphasis is placed on the models of Artificial Neural Networks for identification and fault detection. Subsequently, the control system of a thermal process used as a case study is described. A monitoring system allows data recording under normal operation conditions for identification using the NN-NARX model. The model is used for residual online generation due to faults that are introduced randomly. Finally, the results of residual generation and evaluation are presented. The designed system is useful for implementation through a hardware device that can be incorporated into the process equipment and support the operator in the presence of failures.
State of knowledge on bidirectional sphere tests (BST)
Authors: Muñoz-Rojas Brayan Steve , Escobar-Díaz Andrés
Published: October 2021

This document develops the exploratory study that leads to establishing a state of knowledge about standardized BST. The central theme was categorized and subcategorized using the index method - validated by the ORCA research group in 2018 -, having as a guiding norm the generation by the American Petroleum Institute (API), and using as keys: the concept, the principles of operation, criteria and constructive characteristics, the classes, and the norms that govern the testers by displacement. The selected sources have as origin Manuals construction and calibration companies, Patents, industrial texts and academic theses. It is concluded that in future research on BST it is necessary to deepen the tests and calibrations for specific productive purposes.
THE RESPONSE TO CHALLENGING BEHAVIOR AS A BARRIER TO SOCIAL INCLUSION ERASMUS+ PROJECT PARTICIPANTS’ PERSPECTIVES ON POLICY AND PRACTICE
Authors: GRUNG ROLF MAGNUS , ODROWĄŻ-COATES ANNA , TAH JUDE , MALORET PAUL , KISS JULIEN , ORTAN FLORICA
Published: October 2021

The paper is the result of collaboration between seven European universities and covers health, social pedagogy, and special education programs, aimed at the removal of barriers to social inclusion and social participation facing children and young adults with intellectual and developmental disabilities (IDD). The collaboration received funding from the Erasmus+ Intensive Program with the aim of developing a common curriculum on social inclusion for children and young adults with IDD. Identifying variables that support inclusion for individuals with IDD who engage in challenging behavior is critically important and this paper is built on reviewing social and educational policies from 5 European countries in order to do so. The paper reveals loopholes and paradoxes in policy that hinder social inclusion when addressing challenging behavior. The greatest challenges identified by the researchers are the gaps in training for different professions and the lack of overarching legislation for these professions. Another issue identified is government tolerance of a lack of clear competencies and codes of conduct amongst unregulated service providers.
SaS
Authors: Park Jong-Hyeok , Choi Soyee , Oh Gihwan , Lee Sang-Won
Published: October 2021

Every database engine runs on top of an operating system in the host, strictly separated with the storage. This more-than-half-century-old IHDE (In-Host-Database-Engine) architecture, however, reveals its limitations when run on fast flash memory SSDs. In particular, the IO stacks incur significant run-time overhead and also hinder vertical optimizations between database engines and SSDs. In this paper, we envisage a new database architecture, called SaS (SSD as SQL database engine), where a full-blown SQL database engine runs inside SSD, tightly integrated with SSD architecture without intervening kernel stacks. As IO stacks are removed, SaS is free from their run-time overhead and further can explore numerous vertical optimizations between database engine and SSD. SaS evolves SSD from dummy block device to database server with SQL as its primary interface. The benefit of SaS will be more outstanding in the data centers where the distance between database engine and the storage is ever widening because of virtualization, storage disaggregation, and open software stacks. The advent of computational SSDs with more compute resource will enable SaS to be more viable and attractive database architecture.
FLAT
Authors: Zhu Rong , Wu Ziniu , Han Yuxing , Zeng Kai , Pfadler Andreas , Qian Zhengping , Zhou Jingren , Cui Bin
Published: October 2021

Query optimizers rely on accurate cardinality estimation (CardEst) to produce good execution plans. The core problem of CardEst is how to model the rich joint distribution of attributes in an accurate and compact manner. Despite decades of research, existing methods either over-simplify the models only using independent factorization which leads to inaccurate estimates, or over-complicate them by lossless conditional factorization without any independent assumption which results in slow probability computation. In this paper, we propose FLAT, a CardEst method that is simultaneously
fast
in probability computation,
lightweight
in model size and
accurate
in estimation quality. The key idea of FLAT is a novel unsupervised graphical model, called FSPN. It utilizes both independent and conditional factorization to adaptively model different levels of attributes correlations, and thus combines their advantages. FLAT supports efficient online probability computation in near linear time on the underlying FSPN model, provides effective offline model construction and enables incremental model updates. It can estimate cardinality for both single table queries and multi-table join queries. Extensive experimental study demonstrates the superiority of FLAT over existing CardEst methods: FLAT achieves 1--5 orders of magnitude better accuracy, 1--3 orders of magnitude faster probability computation speed and 1--2 orders of magnitude lower storage cost. We also integrate FLAT into Postgres to perform an end-to-end test. It improves the query execution time by 12.9% on the well-known IMDB benchmark workload, which is very close to the optimal result 14.2% using the true cardinality.
Trident
Authors: Herodotou Herodotos , Kakoulli Elena
Published: October 2021

The recent advancements in storage technologies have popularized the use of tiered storage systems in data-intensive compute clusters. The Hadoop Distributed File System (HDFS), for example, now supports storing data in memory, SSDs, and HDDs, while OctopusFS and hatS offer fine-grained storage tiering solutions. However, the task schedulers of big data platforms (such as Hadoop and Spark) will assign tasks to available resources only based on data locality information, and completely ignore the fact that local data is now stored on a variety of storage media with different performance characteristics. This paper presents Trident, a principled task scheduling approach that is designed to make optimal task assignment decisions based on both locality and storage tier information. Trident formulates task scheduling as a minimum cost maximum matching problem in a bipartite graph and uses a standard solver for finding the optimal solution. In addition, Trident utilizes two novel pruning algorithms for bounding the size of the graph, while still guaranteeing optimality. Trident is implemented in both Spark and Hadoop, and evaluated extensively using a realistic workload derived from Facebook traces as well as an industry-validated benchmark, demonstrating significant benefits in terms of application performance and cluster efficiency.
Corrosion-related failures in heat exchangers
Authors: Ali Murad , Ul-Hamid Anwar , Khan Tayyab , Bake Abdulhakim , Butt Haider , Bamidele Olufemi Eyitope , Saeed Aamer
Published: October 2021

Corrosion is the primary cause of failure of heat exchangers in industry, especially in the oil and petrochemical sector. The modes of failure related to corrosion include erosion corrosion, pitting corrosion, crevice corrosion, grain boundary corrosion, dealloying, galvanic corrosion, stress corrosion cracking, waterside corrosion, uniform corrosion, and microbially induced corrosion. Primary causes of corrosion-related failures were found to be fabrication and welding defects, presence of residual stresses, inappropriate materials selection and design, improper water chemistry/flow and poor choice of filters, presence of corrosive species such Cl−, Sx−, O2, NH4
+ in water, nonadherence to recommended operating conditions, and noncompliance with standard practices during the shutdown. This article is a review covering only corrosion-related failures in heat exchangers.
Corrosion performance of a corrosion-resistant rail steel in the simulated subsea tunnel environment
Authors: Zhang Qi , Zhu Min , Cai Feng , Liu Man , Su Xue , Xu Guang
Published: October 2021

The corrosion performance of a newly developed corrosion-resistant rail steel (U68CuCr) was investigated and compared with that of a normally used high-speed rail steel (U71MnG) by neutral salt spray tests, electrochemical tests, X-ray diffraction analyses, and the scanning vibrating electrode technique. It was found that the weight loss and corrosion rate of U68CuCr were lower than those of U71MnG under the same corrosion conditions. In addition, due to the influence of alloying elements (copper and chromium) in U68CuCr, the rust layer was thicker and denser, resulting in a stronger protective effect. Moreover, U68CuCr had a higher corrosion potential in electrochemical tests. Finally, the dynamic corrosion process of U68CuCr in 2.2% NaCl solution mainly followed a lateral extension of corrosion. Therefore, the corrosion resistance of U68CuCr was better than that of U71MnG in the subsea tunnel environment.
Circular convolution-based feature extraction algorithm for classification of high-dimensional datasets
Authors: Tajanpure Rupali , Muddana Akkalakshmi
Published: October 2021

High-dimensional data analysis has become the most challenging task nowadays. Dimensionality reduction plays an important role here. It focuses on data features, which have proved their impact on accuracy, execution time, and space requirement. In this study, a dimensionality reduction method is proposed based on the convolution of input features. The experiments are carried out on minimal preprocessed nine benchmark datasets. Results show that the proposed method gives an average 38% feature reduction in the original dimensions. The algorithm accuracy is tested using the decision tree (DT), support vector machine (SVM), andK-nearest neighbor (KNN) classifiers and evaluated with the existing principal component analysis algorithm. The average increase in accuracy (Δ) is 8.06 for DT, 5.80 for SVM, and 18.80 for the KNN algorithm. The most significant characteristic feature of the proposed model is that it reduces attributes, leading to less computation time without loss in classifier accuracy.
An atypical presentation of a pathogenic STK11 gene variant in siblings not fulfilling the clinical diagnostic criteria for Peutz-Jeghers Syndrome
Authors: Shaunak Meera , Side Lucy , Afzal Nadeem , Davies Justin Huw
Published: October 2021

Objectives

To report an atypical presentation of a pathogenic STK11 gene variant in siblings not fulfilling the clinical diagnostic criteria for Peutz-Jeghers Syndrome (PJS).

Case presentation

Two siblings presented with prepubertal gynaecomastia and bilateral macro-orchidism, without mucocutaneous pigmentation or gastrointestinal symptoms. There was no family history of PJS. Sibling 1 had unilateral gynaecomastia. Sibling 2 had bilateral gynaecomastia, advanced bone age and bilateral testicular microlithiasis, not indicative of a large-cell calcifying Sertoli cell tumour. Genetics revealed a paternally inherited heterozygous pathogenic STK11 variant (910C>T) in both siblings. The diagnosis was confirmed following the identification of multiple intestinal polyps in their father.

Conclusions

Prepubertal gynaecomastia and prepubertal macro-orchidism (testicular enlargement without virilisation), always warrant endocrinological investigation, with PJS being an important differential diagnosis. Children may not fulfil the clinical criteria for a diagnosis of PJS at presentation. Genetic testing and gastroenterological investigation of parents may aid diagnosis.
Der sexuelle Missbrauch von Kindern und kinderpornografische Delikte – Längerfristige Entwicklungsverläufe und ein empirischer Vergleich verschiedener Fallgruppen
Authors: Biedermann Jürgen , Rüdiger Thomas-Gabriel
Published: October 2021

Der sexuelle Missbrauch von Kindern und kinderpornografische Delikte werden in der Gesellschaft, den Medien und der Politik häufig sehr emotional diskutiert, gepaart mit als irritierend erlebten Schwierigkeiten bei der Nachvollziehbarkeit der Hintergründe für diese Taten und einem Fokus auf herausragende und besonders schwerwiegende Einzelfälle. Bisherige Forschungsergebnisse verweisen hingegen zuvorderst auf eine große Heterogenität des Phänomens, welche sowohl für das Verständnis als auch eine effektive Strafverfolgung und Prävention dieser Straftaten zu berücksichtigen ist. Die vorliegende Untersuchung analysiert anhand der bundesweiten polizeilichen Kriminalstatistik längerfristige Verläufe der registrierten polizeilichen Fälle und zentraler kriminologischer Kenngrößen in diesen Deliktbereichen über die letzten 20 Jahre. Zudem wurden Informationen des polizeilichen Datenbanksystems POLAS des Landes Brandenburg zu Straffällen herangezogen, die zwischen 2013 und 2018 an die polizeiliche Kriminalstatistik gemeldet wurden. Auf dieser Basis werden verschiedene Fallgruppen des sexuellen Missbrauchs von Kindern nach den §§ 176 ff. StGB (n= 2248) und kinderpornografischer Delikte nach § 184 b StGB (n=592) hinsichtlich wesentlicher Fall- und Tatmerkmale kontrastiert und charakterisiert. Besonderes Augenmerk liegt hierbei auf einer Fallgruppe, die durch sexuelle Missbrauchshandlungen unter gleichzeitiger Herstellung pornografischer Aufnahmen gekennzeichnet ist. Für diese Fallgruppe erfolgte in Ergänzung zu den statistischen Analysen zusätzlich eine qualitative Analyse freitextlicher Fallbeschreibungen. Die erzielten Ergebnisse werden im Hinblick auf zielführende repressive und präventive Interventionsansätze diskutiert, wobei sich die Relevanz einer differenzierten Betrachtung verschiedener Tatbegehungskonstellationen erneut bestätigt, welche auch im Kontext der im Juni 2021 verkündeten Reform der einschlägigen Rechtsvorschriften bei Sexualstraftaten mit kindlichen Opfern berücksichtigt werden sollte.
Nano drug delivery systems improve metastatic breast cancer therapy
Authors: Zhu Runqi , Lang Tianqun , Yin Qi , Li Yaping
Published: October 2021

Despite continual progress in the technologies and regimens for cancer therapy, the treatment outcome of fatal metastatic breast cancer is far from satisfactory. Encouragingly, nanotechnology has emerged as a valuable tool to optimize drug delivery process in cancer therapy via preventing the cargos from degradation, improving the tumor-targeting efficiency, enhancing therapeutic agents’ retention in specific sites, and controlling drug release. In the last decade, several mechanisms of suppressing tumor metastasis by functional nano drug delivery systems (NDDSs) have been revealed and a guidance for the rational design of anti-metastasis NDDSs is summarized, which consist of three aspects: optimization of physiochemical properties, tumor microenvironment remodeling, and biomimetic strategies. A series of medicinal functional biomaterials and anti-metastatic breast cancer NDDSs constructed by our team are introduced in this review. It is hoped that better anti-metastasis strategies can be inspired and applied in clinic.
Simulation of boronizing kinetics of AISI 316 steel with an integral diffusion model
Authors: Keddam Mourad , Topuz Polat , Aydin Özlem
Published: October 2021

Boriding or boronizing is a type of surface property improvement process applied to metal or some non-metal materials by diffusion. The calculation of diffusion kinetics is also very important as it is a diffusion controlled process. Today, many researchers perform kinetic calculations by applying the Second Fick’s law to the Arrhenius equation. In this study, as an alternative to conventional kinetic calculations, the mathematical modeling of diffusion kinetics has been performed using the integral diffusion model. For the boronizing experiments, the pack-boronizing method was chosen and AISI 316 austenitic stainless steel was used. The experiments were carried out at three temperatures and for three times; Ekabor 2 was used as the boronizing agent. The detailed diffusion kinetics calculations were made using the data obtained from the experiments in the mathematical modeling.
Quality optimization and process capability analysis of ring spun Supima cotton yarn
Authors: Oncul Kursat
Published: October 2021

The response surface method and process capability analysis were conducted in this study to improve evenness, hairiness, imperfections, and tensile strength of ring spun Supima cotton yarn by optimizing values of spinning parameters including traveler mass, yarn density, spindle speed, and yarn twist. The yarns were spun into three densities: 20 Ne, 30 Ne, and 38 Ne. An USTER Tester 5-S800 was used to evaluate the irregularity parameters of yarn. A Lloyd tester was also used to determine the yarn breaking load. The response surface method was applied to optimize the statistical values obtained from the tests of the yarns produced based on the combination values of system parameters. Each response was subjected to a response surface design study, and the optimal values were achieved by using a response optimizer to perform multiple response optimization. Interpreting the response surface design results yielded information such as the absolute values of effects, response degree of significance, data compatibility, and model suitability. Individual desirability, composite desirability, different estimates for each response, and the relationship between response and system variables were all revealed by interpreting the response optimization results. The capability indices of process capability analysis were used to compare process performance before and after response optimization. By interpreting the capability indices’ values of process capability analysis, the capability of the process to meet requirements and improvement potential were acquired. The data was analyzed by implementing Minitab software (Version 19).
Effect of vibratory peening on wear behavior of Al2O3/SiCp reinforced Al2024 aircraft alloy
Authors: Er Yusuf
Published: October 2021

Aluminum alloys and composites are widely used in the field of aviation due to their high strength/weight ratio. However, due to their relatively low hardness values, they have poor wear resistance. In this study, a hybrid composite material was produced through stir casting method. Al2O3 and SiCp particles in 2.5, 5 and 7.5 wt.-% were added into Al2024 matrix material, which is widely used in the aviation industry, in order to increase the wear resistance of composites. The vibratory peening process was applied to the surfaces of the produced samples. The samples were then subjected to a reciprocating wear test. As a result of the tests, it was observed that the vibratory peening process has an important effect on the wear resistance of the samples.
Nano-scale delivery: A comprehensive review of nano-structured devices, preparative techniques, site-specificity designs, biomedical applications, commercial products, and references to safety, cellular uptake, and organ toxicity
Authors: Abdellatif Ahmed A. H. , Mohammed Hamdoon A. , Khan Riaz A. , Singh Varsha , Bouazzaoui Abdellatif , Yusuf Mohammad , Akhtar Naseem , Khan Maria , Al-Subaiyel Amal , Mohammed Salman A. A. , Al-Omar Mohsen S.
Published: October 2021

This review focuses on nano-structured delivery devices prepared from biodegradable and biocompatible natural and synthetic polymers, organic raw materials, metals, metal oxides, and their other compounds that culminated in the preparation of various nano-entities depending on the preparative techniques, and starting raw materials’ utilizations. Many nanoparticles (NPs) made of polymeric, metallic, magnetic, and non-magnetic origins, liposomes, hydrogels, dendrimers, and other carbon-based nano-entities have been produced. Developments in nanomaterial substrate and end products’ design, structural specifications, preparative strategies, chemo-biological interfacing to involve the biosystems interactions, surface functionalization, and on-site biomolecular and physiology-mediated target-specific delivery concepts, examples, and applications are outlined. The inherent toxicity, and safety of the design concepts in nanomaterial preparation, and their applications in biomedical fields, especially to the organs, cellular and sub-cellular deliveries are deliberated. Bioapplications, the therapeutic delivery modules’ pharmacokinetics and medicinal values, nanopharmaceutical designs, and their contributions as nano-entities in the healthcare biotechnology of drug delivery domains have also been discussed. The importance of site-specific triggers in nano-scale deliveries, the inherent and induced structural specifications of numerous nanomaterial entities belonging to NPs, nano-scale composites, nano-conjugates, and other nano-devices of organic and inorganic origins, near biological systems are detailed. Modifications that provide nano-deliveries of their intrinsic therapeutic actions, through structural and physicochemical characteristics modifications, and the proven success of various nano-delivery devices and currently available commercial nanomedicinal and nanopharmaceutical products are also provided.
Rufinus of Aquileia’s Historia ecclesiastica and Historia monachorum in Aegypto: A Dual Program of Monastic Historiography
Authors: Cain Andrew
Published: October 2021

The Historia monachorum in Aegypto is an anomaly among the vast corpus of translations produced by Rufinus of Aquileia, not least because it represents his only known experiment with the literary genre of monastic hagiography. This article explores the question of why he undertook this project at all and considers this issue of authorial intention in the broader context of Rufinus’ work as a church historian. In particular, I propose that he envisaged the Historia monachorum in Aegypto in part as a follow-up, or companion piece, to his recently completed Historia ecclesiastica and intended both writings to articulate cooperatively his vision of the monks of Egypt as prime movers in the Christianization of the fourth-century Roman Empire.
Digitale Assistenz in der Additiven Fertigung
Authors: Vogt Maximilian , Möller Mauritz , Emmelmann Claus
Published: October 2021

Augmented-Reality-basierte digitale Assistenzsysteme werden bereits erfolgreich im industriellen Kontext eingesetzt, um die Arbeitskräfte bei manuellen Tätigkeiten zu unterstützen. Die Nutzung in der additiven Fertigung wurde allerdings noch nicht umfassend untersucht. Angelehnt an das klassische Technologiemanagement wurde ein methodisches Vorgehen entwickelt, um anwendungsspezifische Use Cases für die Additive Fertigung zu adaptieren.
A versatile genetic toolbox for Prevotella copri enables studying polysaccharide utilization systems
Authors: Li Jing , Gálvez Eric J C , Amend Lena , Almási Éva , Iljazovic Aida , Lesker Till R , Bielecka Agata A , Schorr Eva‐Magdalena , Strowig Till
Published: October 2021

Prevotella copri is a prevalent inhabitant of the human gut and has been associated with plant‐rich diet consumption and diverse health states. The underlying genetic basis of these associations remains enigmatic due to the lack of genetic tools. Here, we developed a novel versatile genetic toolbox for rapid and efficient genetic insertion and allelic exchange applicable to P. copri strains from multiple clades. Enabled by the genetic platform, we systematically investigated the specificity of polysaccharide utilization loci (PULs) and identified four highly conserved PULs for utilizing arabinan, pectic galactan, arabinoxylan, and inulin, respectively. Further genetic and functional analysis of arabinan utilization systems illustrate that P. copri has evolved two distinct types of arabinan‐processing PULs (PULAra) and that the type‐II PULAra is significantly enriched in individuals consuming a vegan diet compared to other diets. In summary, this genetic toolbox will enable functional genetic studies for P. copri in future.
Pharmacological modulation of the cAMP signaling of two isoforms of melanocortin-3 receptor by melanocortin receptor accessory proteins in the tetrapod Xenopus laevis
Authors: Xu Ying , Li Lei , Zheng Jihong , Wang Meng , Jiang Bopei , Zhai Yue , Lu Liumei , Zhang Cong , Kuang Zhe , Yang Xiaomei , Jin Li-Na , Lin Gufa , Zhang Chao
Published: October 2021

As a member of the seven-transmembrane rhodopsin-like G protein-coupled receptor superfamily, the melanocortin-3 receptor (MC3R) is vital for the regulation of energy homeostasis and rhythms synchronizing in mammals, and its pharmacological effect could be directly influenced by the presence of melanocortin receptor accessory proteins (MRAPs), MRAP1 and MRAP2. The tetrapod amphibian Xenopus laevis (xl) retains higher duplicated genome than extant teleosts and serves as an ideal model system for embryonic development and physiological studies. However, the melanocortin system of the Xenopus laevis has not yet been thoroughly evaluated. In this work, we performed sequence alignment, phylogenetic tree, and synteny analysis of two xlMC3Rs. Co-immunoprecipitation and immunofluorescence assay further confirmed the co-localization and in vitro interaction of xlMC3Rs with xlMRAPs on the plasma membrane. Our results demonstrated that xlMRAP2.L/S could improve α-MSH-stimulated xlMC3Rs signaling and suppress their surface expression. Moreover, xlMC3R.L showed a similar profile on the ligands and surface expression in the presence of xlMRAP1.L. Overall, the distinct pharmacological modulation of xlMC3R.L and xlMC3R.S by dual MRAP2 proteins elucidated the functional consistency of melanocortin system during genomic duplication of tetrapod vertebrates.
Totally Thoracoscopic Redo Mitral Valve Replacement for a High-Risk Patient Following Failed MitraClip Procedure
Authors: Peijian  , Zhuang Weitao , Liu Yanjun , Ma Jiexu , Zhu Wei , Zhuang Jian , Liu Jian , Guo Huiming
Published: October 2021

The wide adoption of the MitraClip procedure in clinical practice inevitably causes increases in surgical intervention demand for patients following failed MitraClip implantation. Current reports about surgical intervention after failed MitraClip procedure focused on open-heart surgery. In this case, totally thoracoscopic third-time redo mitral valve replacement was successfully performed for a high-risk patient, following aortic valve replacement and a failed MitraClip procedure.
Limb Remote Ischemic Preconditioning Applied During Sevoflurane Anesthesia Does Not Protect the Lungs in Patients Undergoing Adult Heart Valve Surgery
Authors: Li Tianyuan , Zeng Qing-Shi , She Shou-Zhang
Published: October 2021

Background: Two consistent overall cell protective preconditioning treatments should provide more protection. We hypothesized that limb remote ischemic preconditioning (RIPC, second preconditioning stimulus) applied during sevoflurane inhalation (first preconditioning stimulus) would provide more protection to the lungs of patients undergoing adult heart valve surgery.
Methods: In this randomized, placebo-controlled, double-blind trial, 50 patients were assigned to the RIPC group or the placebo group (1:1). Patients in the RIPC group received three 5-min cycles of 300 mmHg cuff inflation/deflation of the left-side lower limb before aortic cross-clamping. Anesthesia consisted of opioids and propofol for induction and sevoflurane for maintenance. The primary end point was comparison of the postoperative arterial–alveolar oxygen tension ratio (a/A ratio) between groups. Secondary end points included comparisons of pulmonary variables, postoperative morbidity and mortality and regional and systemic inflammatory cytokines between groups.
Results: In the RIPC group, the a/A ratio and other pulmonary variables exhibited no significant differences throughout the study period compared with the placebo group. No significant differences in either plasma or bronchoalveolar lavage levels of TNF- α were noted between the groups at 10 min after anesthetic induction and 1 h after cross-clamp release. The percentage of neutrophils at 12 h postoperation was significantly increased in the RIPC group compared with the placebo group (91.34±0.00 vs. 89.42±0.10, P = 0.023).
Conclusions: Limb RIPC applied during sevoflurane anesthesia did not provide additional significant pulmonary protection following adult valvular cardiac surgery.
Fabric semantics as a basis of Mordovian embroidery
Authors: Shigurova Tatyana A.
Published: October 2021

Introduction. The semantics of the fabric of the traditional costume is one of the underdeveloped topics in modern humanitarian studies. Meanwhile, the fabric can be interpreted as a chronicle of the history of culture. Being a man-made and material on which embroidery arose and developed, it was used in the customs and rituals of many peoples, including the Mordovians. The article deals with the semantics of the fabric of traditional Mordovian clothing, decorated with embroidery.
Materials and Methods. The work investigates the museum collections of the Republic of Mordovia, the data from written sources of the Russian Geographical Society, archaeological research of Mordovian artefacts. The methodological basis is the comparative-historical, structural-semiotic and phenomenological approaches to the material.
Results and Discussion. The analysis of the semantics of the fabric, decorated with the embroidery, and the conditions in which it was formed, makes it possible to reveal the intention of the master, the creator of the ethnoculture. It defined the various utilitarian, magical functions performed by canvas (hemp) and linen fabrics of traditional Mordovian clothing in the culture of the people, the economic, moral meanings of the fabric used in oral folk art. The Mordovians had woolen fabric as the most important material that replaced leather and fur in the manufacture of clothing and changed the appearance of the person wearing the costume. Its importance was recorded in many concepts of the Mordovian language, in folk ideas about wool as a source of magical properties.
Conclusion. The semantics of the fabric of a traditional Mordovian costume reflects a person’s ideas about harsh natural conditions, the real world and the need to master it through creative activity in accordance with the laws of the traditional worldview. Fabric is also capable of transferring updated and relevant symbolic information about diligence, accuracy, moral qualities of a person, which could also be a means of regulating norms of behavior in society.
Ways to quantify of abstract nouns in the modern Erzya language
Authors: Vodyasova Lyubov P.
Published: October 2021

Introduction. The article analyzes abstract nouns based on the material of the modern Erzya language, which in various contexts can be concretized, becoming the basis for the formation of their plural. These lexemes begin to express a real quantitative meaning, in other words, they acquire the ability to quantify. The purpose of the article is to identify and describe the contexts in which abstract plural nouns denote quantifiable relations. Materials and Methods. The main method is structural-semantic description, used for direct observation of contexts when abstract nouns express quantitative relations. The material of the study is based on 1 500 examples extracted from the texts of Mordovian writers written their works in the Erzya language. Results and Discussion. It has been determined that in the modern Erzya language the plural forms of abstract nouns are capable of expressing quantitative relations in those cases when they denote a real quantitative meaning. It defines two quantification ways, namely: discrete way, which conveys the semantics of the internal quantity, is based on the peripheral components of the abstract noun, and unitary way, which expresses the semantics of the external quantity, based on the central components of the abstract lexeme. The main contexts are briefly characterized, when abstract nouns denote quantifiable relations. Conclusion. In the modern Erzya language abstract nouns that have the ability to quantify, carried out discretely or unitarily are often encountered. The contexts with such nouns are often found in the texts of Mordovian writers, who use them as a source of speech expression, a means of creating artistic expression, shaping, interpreting and evaluating images and events.
Features of artistic bilingualism in modern Udmurt literature (based on the poetry by B. Anfinogenov)
Authors: Kondratieva Natalia V. , Oszkó Beatrix
Published: October 2021

Introduction. The article deals with artistic bilingualism which is interpreted as the creative use of two languages in creating works of literature based on precise understanding of the specific features of semantic and pragmatic potential of these languages. The purpose of the article is to identify the features of artistic bilingualism in the work of the modern Udmurt poet B. Anfinogenov.
Materials and Methods. The main source of research is the collection of B. Anfinogenov’s poetry “Aishet of the future”. The methodological framework includes linguistic analysis of poetic texts, synthesis and generalization of the achievements in literary studies, structural analysis, etc. The research is based on the use of the descriptive method as well as the method of full coverage and methods of contextual and situational-contextual analysis.
Results and Discussion. Based on the analysis of the poetry of the young Udmurt author Bogdan Anfinogenov, it was revealed that one of the techniques inherent in the bilingual communication strategy is the use of code switching, which performs various functions. In addition to the traditional thematic function, emotional, decorative, recipient, factual and emphatic functions of code switching, artistic bilingualism in the work of this author draws the reader’s attention to the Udmurt language and culture. Also, the Udmurt poet deliberately emphasizes changes in the social environment and orientation towards Western culture. In other words, the use of code switching introduces additional semantic nuances into the literary text, a certain system of values, a certain type of modal-emotional meanings.
Conclusion. The main constituent elements of code switching are language units representing all language levels: phonetic, morphological, syntactic. Special attention is paid to the phenomenon of code switching, represented at the level of the graphic system of the Udmurt language.
Finno-Ugric elements in the art of the early nomads of the Southern Urals
Authors: Bannikov Alexey L.
Published: October 2021

Introduction. Arterfacts, which are a part of the burial equipment, especially of a cult nature, are a ethnocultural, social and ideological markers of the population and time which they belong to. The research in the area of penetration of foreign elements into the sphere of religious and mythological representations can reveal new aspects of the interaction of nomadic and sedentary worlds of Volga-Urals area. This article refers to elements of Finno-Ugric art and ideology, which are reflected in the art of the early nomads of the Southern Urals, in particular, in the images of stone altar altars, specific cult objects.
Materials and Methods. The article is based on employing the methods of comparative and semantic analysis, as well as cultural approach for archaeological materials.
Results and Discussion. The belonging of stone altars to the objects of the priestly circle allows considering their images as a reflection of religious and mythological representations of early nomads, as well as the level of their cultural contacts with neighboring tribes. Images of a wolf and a bear on the altars can reflect both their own and borrowed ideas.
Conclusion. Based on the comparative and semantic analysis of the images on the altars, their territorial binding and the time of operation, comparison of them with other objects of the burial circle of early nomads, we conclude that there are regular contacts of different nature of Finn-Ugric and Iranian-speaking population, which had a serious impact on the sacred sphere of life of the nomadic tribes of the Southern Urals.
Leaf Anatomical Study of Solanum Species (Solanaceae) in Iran
Authors: Mosaferi S. , Hasanabadi H. , Keshavarzi M. , Eskandari M.
Published: October 2021

Solanum

(Solanaceae) comprises cultivated and wild plants with 1400 species in the world and 14 species in Iran. Solanum is a taxonomically complex genus due to morphological similarities, phenotypic plasticity and hybridisation. Limited studies were done on anatomical features of this important genus. In this project, 10 native and exotic species of Solanum in Iran belonging to two subgenera were examined anatomically. Leaf mesophyll and midrib and indumentum were analysed using light microscope. Hand-made cross section method and Toluidine blue as colouring agent were used. Characters as length and width of main vascular bundle, thickness of collenchyma, trichome density, thickness of parenchyma strand, thickness of lamina and length and shape of midrib were diagnostic features among species studied. In UPGMA tree and PCA ordination, species of two subgenera were separated from each other. Results of this study confirmed the taxonomic importance of anatomical characters in Solanum species studied.
Corticolous Lichen Species Diversity on Dominant Trees in Selected Sacred Groves of Paschim Medinipur District, West Bengal, India
Authors: Sen U. K. , Bhakat R. K.
Published: October 2021

Sacred groves are the fairly well-protected system of community-based conservation of tree patches on account of their association with village gods, and repository of many rare and threatened elements of biodiversity. There are, however, few publications on lichens of sacred groves. The lichens have long been regarded as sensitive indicators for monitoring environmental state. The present study reports one hundred and sixteen species of lichens from forty-four genera of nineteen families in four selected sacred groves of Paschim Medinipur district, West Bengal. These lichens represent two different growth forms, i.e. crustose (105 species) and foliose (11 species). Shorea robusta, a dominant tree species in two sacred groves bears the highest lichen diversity with seventy-four species. To better understand the related biodiversity and climate, this work is likely to promote further studies on lichen diversity in other regions of West Bengal.
Polycoccum, Variospora, and Zeroviella, Three New Genera for Pakistan
Authors: Habib K. , Arshad M. , Bano A. , Khalid A. N.
Published: October 2021

Two lichen species, Variospora kudratovii and Zeroviella laxa, and a lichenicolous species, Polycoccum clauderouxii are reported for the first time from Pakistan and represent first generic records as well. Detailed macro- and micromorphological descriptions and spot test results are provided along with ITS-based molecular phylogenetic analysis.
Hybrid nanostructured PAN@NiCu(CO3)(OH)2 composite for flexible high-performance supercapacitors
Authors: Lee Damin , Verma Anjneya , Lê Khan , Fischer Thomas , Kim Kwang Ho , Mathur Sanjay
Published: October 2021

A binder-free porous NiCu(CO3)(OH)2 composite was grown on a polyacrylonitrile (PAN) nanofiber substrate using a hydrothermal method. PAN nanofibers were fabricated by the electrospinning method, thus producing a substrate with a nano-sized diameter and high specific surface area. The composite NiCu(CO3)(OH)2 nanowires on PAN nanofibers provided the large specific surface area required for the redox reaction. Transition metal-based nanowires and nano-sized PAN substrates indicate a synergistic effect in electrochemical performance. The NiCu(CO3)(OH)2 on PAN composite showed a remarkable maximum specific capacity of 870 mAh g−1 at a current density of 3 A g−1, which indicates that it can be a suitable electrode material. In addition, an asymmetric supercapacitor with NiCu(CO3)(OH)2 on PAN composite as the cathode and graphene as the anode showed an ultra-high energy density of 89.2 W h kg−1 at a power density of 835 W kg−1 and a capacitance retention of 90.1% after 5000 cycles.

Graphic abstract
Methods for measuring venous peripherally inserted central catheters in newborns
Authors: Tomazoni Andreia , Rocha Patrícia Kuerten , Pedreira Mavilde da Luz Gonçalves , Rodrigues Elisa da Conceição , Manzo Bruna Figueiredo , Santos Luciano Marques dos
Published: October 2021

ABSTRACT Objective: to analyze the results of insertion procedures of Peripherally Inserted Central Catheters in newborns using two measurement methods. Methods: this is a randomized clinical trial, presenting descriptive and exploratory results of variables. It was held at a Neonatal Intensive Care Unit. Data were collected between September 2018 and 2019. The sample analyzed was 88 catheter insertion procedures, distributed in two groups. Study approved by an Institutional Review Board and obtained registration in the country and abroad. Descriptive analysis and logistic regression of data. Results: modified measurement obtained a significant difference for the central catheter tip location. Elective removals and adverse events were not significant between groups; however, poor positioning was related to adverse events. Conclusions: between the two methods analyzed, the modified measurement obtained better results in the proper catheter tip positioning and, consequently, less risk to patients.
TROIS CRITIQUES LEVINASSIENNES À L’EGARD DE LA LUTTE POUR LA RECONNAISSANCE HEGELIENNE
Authors: Balbontin-Gallo Cristóbal
Published: October 2021

RESUMÉ Cet article entend pratiquer une confrontation de la pensée de Levinas et Hegel sur la question de la reconnaissance. En général, c’est sur un ton de vénération et d’admiration que Levinas fait référence à Hegel. Cependant, le philosophe n’hésite pas à formuler une critique à l’encontre du philosophe allemand, qui se développe avec une extrême prudence. En d’autres termes, Levinas ne perd jamais de vue la capacité de la philosophie hégélienne à se protéger des critiques et à les anticiper jusqu’à ce qu’elles soient incluses dans son système. C’est également le cas de la critique que présente Levinas sur la lutte pour la reconnaissance chez Hegel. Notre position est que Levinas n’embrasse jamais ouvertement, mais implicitement et avec prudence, la critique de la notion d’identité, de réciprocité et de conflit comme faisant partie de l’ensemble de la métaphysique ontologique qui domine l’histoire de la pensée occidentale, laquelle le penseur juif invite à abandonner.
QUOMODO SIT OMNIPOTENS CUM MULTA NON POSSIT. ANSELMO D’AOSTA E PIER DAMIANI SULL’ONNIPOTENZA DIVINA
Authors: Gatto Alfredo
Published: October 2021

RESUMO L’articolo si propone di analizzare il dibattito che ha caratterizzato l’XI secolo alla luce dell’onnipotenza divina, con particolare riguardo per le riflessioni di Pier Damiani e Anselmo d’Aosta. Dopo aver presentato la disputa tra Lanfranco di Pavia e Berengario di Tours sul ruolo e la funzione dell’ars dialectica, l’articolo si concentra sul De divina omnipotentia di Damiani, mettendo in risalto la radicalità dell’approccio sostenuto dal monaco ravennate. L’articolo procede prendendo in esame la posizione sostenuta da Anselmo nel Proslogion, nel De libertate arbitrii, nel De casu diaboli e nel Cur Deus homo per porre in risalto la centralità dell’approccio anselmiano nella storia successiva della filosofia medievale.
O OPUS POSTUMUM DE KANT ENTRE A CONDICIONALIDADE EMPÍRICA E A INDETERMINAÇÃO TRANSCENDENTAL
Authors: Perin Adriano
Published: October 2021

RESUMO Este trabalho discute o status crítico-sistemático da argumentação kantiana no manuscrito intitulado Opus postumum. A primeira seção apresenta os elementos que compõem o rigor conceitual de Kant em sua metodologia de redação e contrasta esses elementos com a estrutura argumentativa do Opus postumum. A segunda seção considera a condição história do manuscrito quanto às suas ordenação e presença/ausência de elementos probatórios. A terceira seção pondera a situação filosófica do Opus postumum no que diz respeito à sua contextualização (pós)crítica. A conclusão apresentada é a de que a limitação probatória e a condição histórica do manuscrito do Opus postumum determinam a sua natureza filosófica: ele sempre será passível de uma interpretação de necessidade transcendental condicionada pela contingência empírica.
¿SOSTUVO ARISTÓTELES UNA TEORÍA DE LA EXPLICACIÓN? ALGUNAS OBSERVACIONES ACERCA DEL ALCANCE DE LA NOCIÓN ARISTOTÉLICA DE α’ιτία*
Authors: Rossi Carlo
Published: October 2021

RESUMEN Aristóteles introduce en Física II 3 lo que comúnmente se ha considerado como su teoría de las cuatro causas. Sin embargo, en las décadas pasadas pareciera haberse vuelto igualmente común la idea de que lo que Aristóteles estaría haciendo en ese y otros pasajes paralelos es introducir una teoría sobre los distintos tipos de explicaciones que disponemos para dar cuenta de los fenómenos del mundo natural. El presente artículo argumenta en contra de tal interpretación de la noción aristotélica de α’ιτία. Para ello, presenta dos argumentos. Mientras el primero desarrolla una objeción de carácter textual contra tal postura interpretativa, el segundo - y más importante - mostraría la insuficiencia de esta postura para comprender adecuadamente la relación que Aristóteles entrevió entre la causalidad y el azar.