bluuebunny/crossref_metadata_2025 huggingface dataset:
A Modified Model Reference Adaptive Control for High-Performance Pantograph Robot Mechanism
Authors: El-Τehewy Layla M. , Shamseldin Mohamed Α. , Sallam Mohamed , Abdel Ghany Α. M.
Published: October 2021

Pantograph Robot Mechanism is considered a type of parallel manipulator which has been developed largely for industrial applications that need high accuracy and speed. Whereas, it needs a high-performance controller to track preselected trajectory planning. It is also able to carry higher weights than the open-chain mechanism with suitable accuracy and stability; this is because it consists of four active links and one passive link, instead of two links as in the open chain. This study presents a mathematical model for a closed chain pantograph mechanism, where the boundary conditions are taken into account. A complete MATLAB Simulink has been developed to simulate the dynamics of the pantograph robot mechanism. To validate the proposed mathematical model of the pantograph, the corresponding Simscape model had been developed. Also, three different tracking controllers were designed. The first control is the PID controller which had optimized by Flower Pollination (FP) optimization. The second control is an enhanced Nonlinear PID (NLPID) controller where its parameters were obtained by Flower Pollination (FP) optimization based on the effective objective function. The third control is the model reference adaptive control. A comparative study between the control techniques was accomplished. A rectangular trajectory was selected to be a position reference of the end effector of the pantograph robot. This task was done using the proposed controllers to investigate the performance. The results show that the model reference adaptive control has a better performance compared to the NLPID and PID controllers. The end effector has a less rise time and settling time with high accuracy in the case of the model reference adaptive control.
Survey of Jordanian Awareness about Hazardous Symbols of Chemicals
Authors: Bahtiti Nawal , Rayyan Ahmad Abu , Sasa Tala , Alahmad Waed
Published: October 2021

The use of chemical substances has commonly increased, there are such a number of chemical dangers all spherical us that it is probably almost now no longer feasible to feature if we centered constantly on the dangers. This is precisely why we need to don't forget the dangers. Everyone need to apprehend exactly what do in case of unstable contact with risky material. Previously we tested consciousness of Jordanian peoples and measured the employees’ interest of risky chemical compounds1. So this new seek aimed to research chemical symbols attentions, a questionnaire survey come to be executed among a whole of 245 peoples. The questionnaire come to be acquainted with flammable risky symbols as 90.6%, however handiest 7% for fitness chance symbol. Statistical assessment of the statistics come to be finished with the Statistical Package for Social Sciences (SPSS) version 25. The effects show that the descriptive information confirmed that scholars proven truthful to excellent familiarity and expertise of chemical chance caution symbols. Most college students had bad to truthful attitudes closer to chemical laboratory protection; however, the evaluation of college students’ chemical laboratory protection practices found out truthful to suitable practices. While college students’ protection focus and practices, however now no longer attitude, at this college have been acceptable, protection tactics want to be applied inside an extra expert protection training and coherent threat and protection weather management
A Study of the Possibility of Obtaining Deposited Coatings based on Intermetallic Titanium and Aluminum Compounds using the Chemical Vapor Transport Method
Authors: Guseva Anna I. , Silenko Arkady N.
Published: October 2021

Theoretical and experimental investigations of processes of titanium-aluminum coating formation on refractory wire substrates by the Chemical Vapor Transport Reactions (CVT) method were carried out. Modelling of CVT was based on the thermodynamic analysis of an equilibrium iodide system implying the presence of one of titanium aluminides in the condensed phase, titanium and aluminum iodides in the gas phase, as well as atomic and molecular iodine. The fact that the volatility and stability of various metals are strongly interrelated was considered as a working hypothesis, which made it possible to obtain a number of alloys with the simultaneous decomposition of metal iodides constituting an alloy. Experiments on the deposition of titanium-aluminum coatings were conducted in a quasi-closed reactor, which allowed us to obtain deposited coatings on long-length refractory substrates
Research on the Way of Obtaining Electronic Physical Evidence Based on Python—Take Windows Log Document as an Example
Authors: Lin Shancheng , Chen Qianhao
Published: October 2021

With the popularization of computer technology such as smart phone, cloud computing and so on, high-tech crime is becoming more and more common. However, the number of Internet users in China is large, the number of cybercrime cases is large, the electronic data that need to be collected is many and complex, and the research of electronic data forensics in China is mainly based on technical framework and model establishment, and the hardware development is mainly introduced and cooperated. So that China’s electronic data forensics technology cannot meet the needs. Electronic data evidence and related legal issues, network forensics, mobile intelligent terminal forensics analysis technology, malicious code forensics analysis, cross-platform forensics, data recovery, intelligent association analysis, data depth mining, password cracking and other technical aspects need to be continuously combined. Accordingly, this project aims to carry on the analysis and the application research to the electronic data forensics technology of the network crime case, take the Windows log file as an example, through the reading and analysis of the user system log, we can understand the details of the user computer operating system, the behavior of the application program, the behavior of the user itself and the abnormal events in the system. Then it rebuilds the computer operation scene, monitors the computer system resources, audits the user’s related behavior, carries on the alarm to the suspicious behavior, looks up and determines the scope of the intrusion behavior and so on, provides the evidence source and the key clue for the fight against the computer network crime.
Research on the Governance of Cyber Terrorism under the Construction of National Trust
Authors: ma Xiangtao
Published: October 2021

The international governance of cyber terrorism is a process of mutual interest game and trust interaction between countries. Enhancing national trust provides strategic goals and security guarantees for the governance of cyber terrorism. Trust theory provides a new research paradigm for the governance of cyber terrorism. At present, the governance of international cyber terrorism mainly has differences in national interests, strategic suspicion between subjects, imbalances in power control, differences in governance concepts, and lack of trust among countries such as poor intelligence resource sharing. The dilemma caused. To eliminate these governance dilemmas, it is necessary for the actors of various countries to explore the construction of trust relations between countries in terms of rationality, emotion, culture, system, and process, in order to promote the development and improvement of cyber terrorism governance.
Research on the Copyright Protection of Online Animation from the Perspective of the Internet
Authors: jiang yi
Published: October 2021

For a long time, Chinese animation under the monopoly of TV channels is experiencing the innovation of this new technology of the Internet, creating a new platform economy and ecosystem, but it is undeniable The Internet is a double-edged sword for the Chinese animation industry. Based on the openness of the network operating environment, the problem of network infringement has become increasingly prominent, and the phenomenon of online copyright infringement is particularly serious.Under the Internet environment, the weak power of animation industry in the link of animation copyright protection is one of the important reasons hindering its sustainable development. This article analyzes the difficulties of online animation copyright protection in my country’s Internet environment and proposes corresponding protection measures, which has certain reference significance for the establishment of copyright protection, content payment and other Internet ecosystems.
ПРОБЛЕМА ФОРМУВАННЯ НАЦІОНАЛЬНОЇ ІДЕНТИЧНОСТІ ЗРОСТАЮЧОЇ ОСОБИСТОСТІ В УМОВАХ РОЗБУДОВИ НЕЗАЛЕЖНОЇ УКРАЇНИ
Authors: Zhurba Kateryna
Published: October 2021

26 серпня 2021 р. на базі Інституту проблем виховання Національної академії педагогічних наук України відбувся методологічний семінар на тему «Проблема формування національної ідентичності зростаючої особистості в умовах розбудови незалежної України» в рамках заходів Національної академії педагогічних наук України, присвячених 30-річчю Незалежності України. Співорганізаторами заходу виступили Відділення загальної педагогіки та філософії освіти НАПН України, Інститут проблем виховання НАПН України, Національний педагогічний університет імені М.П. Драгоманова, Рівненський державний гуманітарний університет. У роботі методологічного семінару взяли участь Е.Е. Барієв, І.Д. Бех, М.А. Журба, П.І. Кендзьор, В.Г. Кремень, Т.Д. Кремінь, С.О. Сисоєва., Р.Л. Сойчук, Г.Г. Філіпчук, а також вчені Інституту проблем виховання НАПН України, представники закладів вищої освіти, післядипломної освіти, загальної середньої освіти тощо. Плідна наукова дискусія учасників методологічного семінару сприяла глибокому і всебічному розумінню проблеми формування національної ідентичності в умовах незалежної України.
REGIONAL INNOVATIVE PLATFORM «EXPERIMENTAL SITE 5.0» AS A WAY OF HUMAN CAPITAL ACCUMULATION
Authors: Хузагарипов Айдар Габдулахатович , Сахабиев Рустем Раисович
Published: October 2021

Авторами описывается способ накопления человеческого капитала на примере развития творческих способностей и инновационного мышления у обучающихся, посредством вовлечения в процесс разработки регионального инновационного проекта. В результате внедрения предлагаемого способа, у обучающихся наблюдается развитие способности создавать новые продукты, применять новые знания и эффективно работать в современных социально-экономических условиях.

The authors describe a way of accumulating human capital using the example of the development of creative abilities and innovative thinking among students, through involvement in the development of a regional innovative project. As a result of the implementation of the proposed method, students develop the ability to create new products, apply new knowledge and work effectively in modern socio-economic conditions.
ACOUSTIC STRESS: THE PROBLEM AND POSSIBILITIES OF PREVENTION AND CORRECTION BY MEANS OF VIBROACOUSTIC SINGING BOWLS MASSAGE
Authors: Огуй Виктор Олегович
Published: October 2021

В данной работе рассмотрена проблематика акустического стресса и «шумовой болезни». Даны рекомендации для профилактики акустического стресса средствами виброакустического массажа поющими чашами и практические упражнения с элементами виброакустического массажа поющими чашами для корректировки «шумовой болезни». Так же, даны рекомендации по вспомогательной коррекции деструктивного влияния от шума.

This article deals with the problems of acoustic stress and "noise sickness". Recommendations are given for the prevention of acoustic stress by means of vibroacoustic massage by singing bowls and practical exercises with elements of vibroacoustic massage by singing bowls to correct "noise sickness". Also, recommendations are given for the auxiliary correction of the destructive effect of noise.
SOME ISSUES IN PLANNING AND ORGANIZING A BRIBERY INVESTIGATION
Authors: Милова Ирина Евгеньевна , Батейщиков Александр Игоревич
Published: October 2021

Статья посвящена анализу особенностей планирования расследования взяточничества, изучению типичных следственных ситуаций, собиранию доказательств на досудебных стадиях.

The article is devoted to the analysis of the features of planning the investigation of bribery, the study of typical investigative situations, the collection of evidence at the pre-trial stages.
SOME PROBLEMS OF MODERNIZATION OF HIGH EDUCATION
Authors: Безуглов Александр Михайлович
Published: October 2021

Рассматривается опыт реализации индивидуальной образовательной траектории и проблемы подготовки инженеров и управленцев с позиций применения балльно-рейтинговой системы оценки знаний.

Experience of realization of an individual educational trajectory and problems of training of engineers and managers from positions of use of mark and rating system of assessment of knowledge are considered.
The oceanic non-sulfidic oxygen minimum zone: a habitat for graptolites?
Authors: B. N. Berry William , Wilde Pat , S. Quinby-Hunt Mary
Published: October 2021

The denitrified low oxygen zone in Early Paleozoic oceans is proposed as a potential habitat of planktic graptolites. Modern analogs of this zone are found in the eastern tropical Pacific (ETP) and in the north­ern Arabian Sea as shallow regions, up to a 100 meters thick, at the top of the pycnocline. There, oxygen is low or undetected and hydrogen sulfide has not been found. In modem oceans, denitrification regions are limited vertically and horizontally as oxygen is replenished from below by ventilated deep waters. In the Early Paleozoic ocean, the denitrification layer would be global due to poor deep ventilation. It would be transitional between oxygenated surface waters and toxic sulfide-rich water. Many branched graptolites could have evolved when the denitrified waters were in or close to the photic zone, feeding on the abun­dant phytoplankton attracted to both light and nutrients. As this zone sank below the photic zone, grapto­lites who developed planktic mode of life could have migrated daily toward the food supply, similar to euphausiids in the modern ETP. Thus the changes in graptolite rhabdosomes from pendent to scandent and from many branched to biserial and uniserial are suggested as adaptations to assist vertical migration and feeding. With the continued ventilation of the oceans and the shrinking of the denitrified layer, grap­tolite extinction could have resulted as a combination of reduction in food supply and living space, in­creased predation from the then evolving fish and ammonites, and competition in the zoop!ankton niche from smaller (less visible) and more motile forms.
On the origin of dimorphograptids
Authors: Jin Li Ji
Published: October 2021

Previous authors usually considered the Diplograptus stage-> Akidograptus stage-> Rhaphidograptus stage -> Dimorphograptus stage to be an evolutionary series. After research on material of dimorphograp­ tids from the Lower Silurian Kaochiapien Formation, southern Anhui in China, and taking into account the results from analyses on dimorphograptids in general, the writer considers that Dimorphograptus of the elongatus group and Bulmanograptus of the confertus group probably evolved from Parakidograptus, while Dimorphograptus of the hubeiensis group and Bulmanograptus of the deminutus group probably evolved from Glyptograptus and Rectograptus respectively. Rhaphidograptus probably evolved from Cli­macograptus.
Upper Ordovician graptolites from the Cape Phillips Formation, Canadian Arctic Islands
Authors: Melchin M. J.
Published: October 2021

Ashgill age graptolites have been collected from seven sections of the Cape Phillips Formation across most of its outcrop belt. The earliest graptolite zone recognisable is that of Orthograptus fastigatus. It is correla­ted with the Dicellograptus ornatus · Zone of the northern Canadian Cordilllera and the Dicellograptus complexus Subzone of the Dicel/ograptus anceps Zone of Great Britain although no dicellograptids have been found at any of the present sections. The overlying zone is that of Paraorthograptus pacificus, an ea­sily recognisable zone around much of the world.
Graptolites of the C/imacograptus extraordinarius and Glyptograptus persculptus zones appear to be en­tirely absent from this formation. This is attributed to the Late Ordovician glaciation which has induced regression and submarine erosion in many areas worldwide.
The earliest recognisable Silurian zone varies from section to section due to buried or barren intervals and/or hiatuses of varying length. The Parakidograptus acuminatus Zone has been recognised at only one section. At the others, the Atavograptus atavus, the Lagarograptus acinaces-Coronograptus gregarius, the Monograptus convolutus or the Monograptus spiralis Zone (s.1.) are the earliest recognisable Silurian fau­nas.
Relatively low fauna! diversities in the Ashgill and lowest Llandovery portion of the section and the to­tal lack of dicellograptids are interpreted to be due to relatively shallow water, outer shelf or carbonate ramp depositional environment.
Summary account of the Lower Ordovician
(Arenig) graptolite biostratigraphy of the Cow Head Group, western Newfoundland
Authors: Williams S. Henry , Stevens Robert K.
Published: October 2021

The Cow Head Group is an allochthonous sequence of Middle Cambrian to late Arenig sedimentary brec­cias, limestones and shales deposited in a deep lower slope environment close to a continental margin. Im­bricate thrusting has resulted in repeated exposure of laterally equivalent "proximal" to "distal" facies which may be correlated using graptolitic control in the interbeds. "Proximal" sections are characterised by massive, coarse breccias with interbedded limestones and green/dark grey shales. More distal ex­posures have fewer and thinner breccias and limestones, while the green/grey shales are replaced pro­gressively by red, non-graptolitic ones.
Although the succession is by no mean unbroken or complete, it furnishes one of the best and most con­tinuously graptolitic sections through the Arenig. A new zonal scheme is erected for the Cow Head Group, which could prove suitable as a new North American standard. Furthermore, several limestones and siliceous shales have yielded exquisitely preserved isolated material, permitting integration of fine growth detail with complete flattened specimens.
With the exception of the uppermost Arenig U. austrodentatus Zone, Arenig graptoloids possess a pro­sicular origin for thl1• The earliest graptoloids with a metasicular origin for the first theca appear in this zone, including Undulograptus, Cryptograptus and Paraglossograptus. This interval, equivalent to Dai of the Australasian scheme, therefore represents a hitherto unrecorded major evolutionary step in graptolite evolution.
Direct C(sp3)–H allylation of 2-alkylpyridines with Morita–Baylis–Hillman carbonates via a tandem nucleophilic substitution/aza-Cope rearrangement
Authors: Wang Siyu , Zheng Lianyou , Wang Shutao , Ning Shulin , Zhang Zhuoqi , Xiang Jinbao
Published: October 2021

A base- and catalyst-free C(sp3)–H allylic alkylation of 2-alkylpyridines with Morita–Baylis–Hillman (MBH) carbonates is described. A plausible mechanism of the reaction might involve a tandem SN2’ type nucleophilic substitution followed by an aza-Cope rearrangement. Various alkyl substituents on 2-alkylpyridines were tolerated in the reaction to give the allylation products in 26–91% yields. The developed method provides a straightforward and operational simple strategy for the allylic functionalization of 2-alkypyridine derivatives.
Data normalization in machine learning
Authors: Starovoitov V. V. , Golub Yu. I.
Published: October 2021

In machine learning, the input data is often given in different dimensions. As a result of the scientific papers review, it is shown that the initial data described in different types of scales and units of measurement should be converted into a single representation by normalization or standardization. The difference between these operations is shown. The paper systematizes the basic operations presented in these scales, as well as the main variants of the function normalization. A new scale of parts is suggested and examples of the data normalization for correct analysis are given. Analysis of publications has shown that there is no universal method of data normalization, but normalization of the initial data makes it possible to increase the accuracy of their classification. It is better to perform data clustering by methods using distance functions after converting all features into a single scale. The results of classification and clustering by different methods can be compared with different scoring functions, which often have different ranges of values. To select the most accurate function, it is reasonable to normalize several functions and to compare their estimates on a single scale. The rules for separating features of tree-like classifiers are invariant to scales of quantitative features. Only comparison operation is used. Perhaps due to this property, the random forest classifier, as a result of numerous experiments, is recognized as one of the best classifiers in the analysis of data of different nature.
O ENSINO RELIGIOSO COMO UM MECANISMO DE COMBATE Á INTOLERÂNCIA RELIGIOSA NO BRASIL
Authors: Augusto Adão Cláudio
Published: October 2021

Este artigo tem como proposta apresentar de forma sucinta uma resposta às seguintes perguntas: o ensino religioso pode ser útil como mecanismo de combate à intolerância religiosa? Seria capaz de modelar o ambiente e escolar como se encontra hoje de forma favorável nessa batalha? Os rastros que a intolerância religiosa têm deixado no Brasil são avassaladores diante do aumento da diversidade cultural que se vê, assim sendo fica cada dia mais difícil l aceitar a religião do próximo, com isso percebe-se comportamentos como o desrespeito, a discriminação e outros tipos de exclusão. Como disciplina o ensino religioso pretende trabalhar no ambiente escolar alguns conceitos de modo a conhecer e a compreender e respeitar a diversidade religiosa. Neste artigo são analisados alguns dos motivos que colaboram para a intolerância e discriminação religiosa. Além de apontar questões como a falta de conhecimento sobre as leis vigentes que se aplicam ao tema. E por fim destaca a contribuição do ensino religioso nas escolas como disciplina opcional para confrontar o dilema proposto. Este artigo tem como metodologia a pesquisa bibliográfica que apresenta alguns pontos de vista e pensamentos e conclusões de vários autores. Tendo em conta que o ambiente escolar é o melhor lugar para trabalhar e responder as perguntas levantadas s como centro deste questionamento, afim de promover uma cultura de paz e respeito, trazendo harmonia entre os alunos, famílias e a sociedade.
A Local Universe Host for the Repeating Fast Radio Burst FRB 20181030A
Authors: Bhardwaj M. , Kirichenko A. Yu. , Michilli D. , Mayya Y. D. , Kaspi V. M. , Gaensler B. M. , Rahman M. , Tendulkar S. P. , Fonseca E. , Josephy Alexander , Leung C. , Merryfield Marcus , Petroff Emily , Pleunis Z. , Sanghavi Pranav , Scholz P. , Shin K. , Smith Kendrick M. , Stairs I. H.
Published: October 2021

We report on the host association of FRB 20181030A, a repeating fast radio burst (FRB) with a low dispersion measure (103.5 pc cm−3) discovered by the CHIME/FRB Collaboration et al. Using baseband voltage data saved for its repeat bursts, we localize the FRB to a sky area of 5.3 arcmin2 (90% confidence). Within the FRB localization region, we identify NGC 3252 as the most promising host with an estimated chance-coincidence probability <2.5 × 10−3. Moreover, we do not find any other galaxy with M

r
< −15 AB mag within the localization region to the maximum estimated FRB redshift of 0.05. This rules out a dwarf host 5 times less luminous than any FRB host discovered to date. NGC 3252 is a star-forming spiral galaxy and at a distance of ≈20 Mpc, it is one of the closest FRB hosts discovered thus far. From our archival radio data search, we estimate a 3σ upper limit on the luminosity of a persistent compact radio source (source size < 0.3 kpc at 20 Mpc) at 3 GHz to be 2 × 1026 erg s−1 Hz−1, at least 1500 times smaller than that of the FRB 20121102A persistent radio source. We also argue that a population of young millisecond magnetars alone cannot explain the observed volumetric rate of repeating FRBs. Finally, FRB 20181030A is a promising source for constraining FRB emission models due to its proximity and we strongly encourage its multi-wavelength follow-up.
Quantitative analysis of biologically active substances and the investigation of antioxidant and antimicrobial activities of some extracts of Osage orange fruits
Authors: Dadayan Ani Slavik , Stepanyan Lala Ashot , Sargsyan Tatevik Hovhannes , Hovhannisyan Anahit Mkhitar , Dadayan Slavik Arshak
Published: October 2021

Biologically active substances, the antioxidant and antimicrobial activity of aqueous, 70% ethylate and ethyl acetate extracts of fruits of maclura orange (Osage Orange), a representative of the Moraceae genus growing in the Ararat region of Armenia have been studied. It is found that plant extracts are rich in a wide range of pharmacologically active substances, in particular, tannins, flavonoids, organic acids, vitamins, anthocyanins, micro- and microelements, etc.

Based on the investigations performed, extracts of maclura orange can be recommended as a source of biologically active substances (BAS), as well as a preventive and corrective agent in deficiency or imbalance of macro- and microelements in tissue and cellular structures in various pathological processes in the body.

An ethanol extract of maclura fruits exhibits the antimicrobial activity against Bacillus subtilis 1820, E. Coli 5002, Serratia marcescens 5251 and Staphylococcus aureus ATCC-6538 strains. Maclura extracts can be used as an environmentally friendly source of antioxidants against early aging.
Some aspects of alcohol-related mortality in Russia: Commentary on the article by P. Kuznetsova published in issue 4 (3) / 2020 of the Population and Economics Journal
Authors: Jargin Sergei V.
Published: October 2021

The aim of this communication is to comment on certain statements and conclusions presented in the paper on alcohol-related mortality by P.O. Kuznetsova from the medical viewpoint, summarizing and updating at the same time the preceding papers. The author refers to some evidence showing positive tendencies in Russia, namely, a decline in both the heavy binge drinking and total alcohol consumption, and claims that exaggerating the alcohol consumption problem indirectly shifts the responsibility for the relatively short life expectancy onto the excessive alcohol consumption, thus camouflaging shortcomings of the healthcare and public assistance.
Long term changes of the inner-alpine steppe vegetation: the dry grassland communities of the Vinschgau (South Tyrol, Italy) 40–50 years after the first vegetation mapping
Authors: Lübben Maximilian , Erschbamer Brigitta
Published: October 2021

Aims: The Vinschgau is the driest inner-alpine valley in the Eastern Alps and harbours a unique steppe vegetation. We studied these dry grassland communities and aimed to answer the following questions: Which plant communities can be found currently? Do the syntaxa described by Braun-Blanquet in the 1960s still prevail in the area? Has there been any change in species composition over the last 40–50 years?Study area: Along an approximately 40 km transect, the south-facing slopes of the Vinschgau valley (South Tyrol, Italy) from Mals to Plaus were investigated.Methods: For the classification, 92 relevés were sampled in 2019 and compared with 76 relevés from the 1960s and ´70s by means of vegetation tables and ordinations (Detrended Correspondence Analysis).Results: Based on our investigation, the majority of dry grassland communities can be classified asFestuco-Caricetum supinae. Three subassociations were defined by the dominant speciesStipa capillata,Bothriochloa ischaemumandStipa pennataagg. The comparison of new and old relevés shows an increase in species from the classSedo-Scleranthetea(e.g.Trifolium arvense,Erodium cicutarium) and the associationArtemisieto-Agropyretum. In addition, ruderal elements (e.g.Erigeron annuus,Convolvulus arvensis) have also migrated into dry grasslands. A shift in the dominance over time can be recognized as well. In particular,Festuca rupicolaand to some extent alsoStipa capillata, have increased in abundance and frequency.Conclusions: We suggest to include the investigated closed dry grasslands in the allianceFestucion valesiacae. The rank of the character species at association, alliance and order level should be re-analysed. In order to obtain a better syntaxonomic overview of western and eastern alpine dry grassland communities in relation to Eastern European dry grasslands, a comprehensive study is absolutely necessary. Furthermore, long-term vegetation dynamics and vegetation change need to be studied in more detailed future studies.

Taxonomic reference: Fischer et al. (2008).

Syntaxonomic references: Mucina et al. (2016) for syntaxa from alliance to class level; Braun-Blanquet (1961) for associations.

Abbreviations: agg. = aggregate; cf. = confer (means ‘compare’); DCA = Detrended Correspondence Analysis; s. lat. = sensu lato; s. str. = sensu stricto
The Interplay Between COVID-19 and Spondyloarthritis or Its Treatment
Authors: Rosenbaum James T. , Weisman Michael H. , Hamilton Hedley , Shafer Cassie , Aslanyan Elin , Howard Richard A. , Ogle Kimberly , Reveille John D. , Winthrop Kevin L. , Choi Dongseok
Published: October 2021

Objective

The coronavirus disease 2019 (COVID-19) pandemic has created multiple uncertainties regarding rheumatic diseases or their treatment, with regard to the susceptibility to or severity of the viral disease. We aimed to address these questions as they relate to spondyloarthritis (SpA).

Methods

We created a longitudinal survey from April 10, 2020, to April 26, 2021. There were 4723 subjects with SpA and 450 household contacts who participated worldwide. Of these, 3064 respondents were from the US and 70.4% of them provided longitudinal data. To control for the duration of potential risk of COVID-19, the rate of contracting the disease was normalized for person-months of exposure.

Results

In an analysis of US subjects who provided longitudinal data, the incident rate ratio for the 159 (out of 2157) subjects who tested positive for COVID-19 was 1.16 compared to the US population as adjusted for age and sex (range 0.997–1.361, P = 0.06). A paired evaluation using patients and household members did not show a statistically significant effect to indicate a predisposition for developing COVID-19 as a result of SpA or its treatment. Our data failed to show that any class of medication commonly used to treat SpA significantly affected the risk of developing COVID-19 or increasing the severity of COVID-19.

Conclusion

These data do not exclude a small increased risk of developing COVID-19 as a result of SpA, but the risk, if it exists, is low and not consistently demonstrated. The data should provide reassurance to patients and to rheumatologists about the risk that COVID-19 poses to patients with SpA.
Refractive Error Profile of Preterm Infants at 1-Year Follow-up in a Tertiary Care Hospital
Authors: Arora Priyanka , Arora Kamaldeep , Utaal Shubhneek Kaur Dhillon , Bansal Namita
Published: October 2021

Purpose:

To study the refractive outcome in preterm infants with and without retinopathy of prematurity (ROP) in a tertiary care hospital in North India.

Methods:

This prospective study was conducted on 300 consecutive premature infants with a birth weight of 2 kg or less and a gestational age of 34 weeks or less at birth. The infants were divided into three groups (no ROP, spontaneously regressed ROP, and laser-treated ROP) and were followed up at 1 year of age to assess the presence and type of refractive error in each group.

Results:

The refractive error data were available for 277 neonates (554 eyes). On cycloplegic retinoscopy at 1 year of follow-up, the incidence of myopia was 12.29%, 29.55%, and 48.83% in all three groups, respectively, being most common in the laser-treated group, and the values were statistically significant (
P
< .05). Moreover, high myopia was most prevalent in the laser-treated group (23.25%). A correlation between birth weight and gestational age with spherical equivalent showed that a low birth weight and a low gestational age are more commonly found in infants with a more negative spherical equivalent.

Conclusions:

Infants with laser-treated ROP have a higher incidence of myopia than those with spontaneously regressed ROP or no ROP.

[
J Pediatr Ophthalmol Strabismus.
2022;59(3):151–155.]
Publication Rate of Abstracts Presented at AAPOS Annual Meetings: From Conference Abstract to Full-Text Article
Authors: Vagge Aldo , Roda Matilde , Nucci Paolo , Siccardi Gabriele , Agrusta Marina , Catti Carlo , Cannavacciuolo Tommaso , Giannaccare Giuseppe , Traverso Carlo Enrico
Published: October 2021

Purpose:

To review and analyze abstracts presented at American Association for Pediatric Ophthalmology and Strabismus (AAPOS) annual meetings, and to identify publication rates and potential predictive factors for better outcomes.

Methods:

All abstracts accepted for presentation at AAPOS annual meetings from 2013 to 2017 were examined. A comprehensive literature search via PubMed and Scopus was conducted to identify whether the abstracts had been published as full text. A multivariate analysis was achieved to assess the factors related to successful publication, and a Kaplan-Meier analysis was performed to evaluate the publication time course of abstracts.

Results:

Of 819 analyzed abstracts, 437 (53%) were published in peer-reviewed journals with a median impact factor of 2.7. The overall mean time to publication was 3 ± 2.2 years. The multivariate analysis revealed that abstracts were more likely to be published if they were accepted at an AAPOS annual meeting as an oral paper (
P
< .001), if they were prospective (
P
> .001) and multicenter (
P
= .013) studies, and if they had strabismus, retina, and vitreous disorders and diagnosis as main topics (
P
= .022). The Kaplan-Meier analyses revealed significant differences in the publication time distribution for multicenter versus single-center abstracts and paper versus poster and e-poster (
P
< .05).

Conclusions:

More than half of the abstracts accepted for presentation at the AAPOS annual meetings were published in peer-reviewed journals within 3 years from submission to the meeting. The factors associated with a higher publication rate were the prospective study design, multicentricity, and presentation at the meeting as an oral paper.

[
J Pediatr Ophthalmol Strabismus
. 2022;59(2):87–93.]
À QUEIMA-ROUPA: rebaixamento, prazer e desejo em casos de violência policial contra travestis
Authors: Efrem Filho Roberto
Published: September 2021

Neste artigo, eu procuro analisar como noções de humilhação, nojo e desprezo informam “imagens de brutalidade” acerca de mortes de LGBT reivindicadas como crimes de ódio ou LGBTfobia. Valendo-me de dados colhidos durante o acompanhamento de atividades do movimento LGBTI+ na Paraíba, entre 2012 e 2016, de entrevistas em profundidade com seus militantes e do acesso a autos judiciais relativos àquelas mortes, centro atenção especialmente nas narrativas em torno: a) de uma cena de tentativa de homicídio, provocada por um policial militar que, numa rua do centro de João Pessoa, disparou à queima-roupa contra uma travesti que se prostituía e recusou sua cantada; e b) do caso do “serial killer de travestis”, um policial militar acusado de cinco assassinatos numa cidade do sertão paraibano. Com isso, intenciono principalmente notar a relevância de práticas de rebaixamento para a configuração daquilo que é tomado como brutal, inclusive a violência policial. Busco sobretudo compreender a sexualização narrativa daquele que rebaixa, humilha, enoja-se e despreza e cujo ato de violentar ou matar é identificado como um gesto de prazer ou remete à suspeita de um desejo.
Shot at close range: demeaning, pleasure, and desire in cases of police violence against travestis
Authors: Efrem Filho Roberto
Published: September 2021

In this paper, I seek to analyze how notions of humiliation, disgust and contempt inform "images of brutality" regarding LGBT deaths claimed to have been the result of hate crimes or LGBTphobia. Based on data collected during the monitoring of the LGBTI+ movement’s activities in Paraíba between 2012 and 2016, in-depth interviews with its activists, and access to judicial proceedings related to those deaths, I focus especially on the narratives around: a) a scene of attempted murder provoked by a military police officer who, in a street downtown João Pessoa, shot a travesti at close range, one who worked as a prostitute and refused his flirt; and b) the case of the "serial killer of travestis", a military police officer accused of five murders in a town in the countryside of Paraíba. Thereby, my main purpose is to discuss the relevance of demeaning practices for the configuration of what is taken as brutal, including police violence. Above all, I seek to understand the narrative sexualization of the one who demeans, humiliates, feels disgusted and despises others, and whose act of raping or killing is identified as a gesture of pleasure or raises questions about desire.
Nojo, humilhação e vergonha no cotidiano de usuários de crack em situação de rua
Authors: Rui Taniele
Published: September 2021

A partir de longo trabalho empírico com usuários de crack em situação de rua, abordo aspectos referentes ao campo das sensações e emoções, especialmente situações e relatos que envolvem nojo, humilhação e vergonha. Embora de diferentes manifestações sensíveis e práticas, as emoções são elencadas por abordarem múltiplas práticas de rebaixamento, centrais para apreender como o repúdio é praticado e sentido e como ele modela, no diálogo com Judith Butler, quadros da comoção e políticas de reconhecimento.
Disgust, humiliation and shame in the everyday life of homeless crack users
Authors: Rui Taniele
Published: September 2021

From long empirical work with homeless crack users, I approach aspects related to the field of sensations and emotions, especially in situations and reports that involve disgust, humiliation, and shame. Although of different sensitive and practical manifestations, these emotions address multiple demotion practices, central to comprehend how repudiation is practiced and felt and how it models, in dialogue with Judith Butler, policies of affect and recognition.
A geografia da alimentação
Authors: Sorre Maximilien
Published: October 2021

O artigo consolida as ideias de Maximilien Sorre, lançadas em 1943, sobre a alimentação e as idiossincrasias alimentares tópicas específicas de países e regiões mundiais, e mostra a importância de melhor compreender e continuar estudando esse tema.
Le bas-Oyapock : un fleuve, une frontière, des frontières ?
Authors: Letniowska-Swiat Sylvie , Morel Valérie
Published: October 2021

Le bassin du bas-Oyapock se situe dans une zone de confins. C’est un espace original, structurellement une marge, qui au fil du temps a développé des logiques de fonctionnement en bassin de vie atypique par rapport au reste des territoires de la Guyane française et de l’Amapá brésilienne. Les fonctionnements spatiaux antagonistes et complémentaires de cette zone de confins se sont mis en place en réaction au degré d’intégration de cette bordure plus ou moins épaisse d’espaces nationaux et l’ont sur le temps long érigé en espace transnational. Aujourd’hui, la présence du pont sur l’Oyapock et surtout son ouverture récente ont refonctionnalisé la position frontalière du fleuve. Objet de lien entre la France et le Brésil, le pont international de l’Oyapock met cet espace de confins en lumière mais n’a pas d’action concrète sur la « démarginalisation » du bassin versant. Avec le renforcement des contrôles qui accompagnent la mise en place du point de passage par le pont, le fonctionnement traditionnel du bassin de vie a été bouleversé, en révélant ainsi une frontière longtemps gommée et niée par les pratiques sociales, économiques, culturelles et sanitaires des populations. Aujourd’hui, le bas-Oyapock renouvelle son fonctionnement de marge notamment dans son épaisseur et dans les dynamiques territoriales qu’il génère.
Oyapock coopération santé : une collaboration transfrontalière pour une meilleure prise en charge du VIH dans le bassin de l’Oyapock
Authors: Collectif
Published: October 2021

Cet article présente un exemple de coopération en santé entre la France et le Brésil autour du programme Oyapock Coopération Santé dont un des objectifs est l’amélioration du suivi des patients vivant avec le VIH (PvVIH) dans le bassin de vie transfrontalier de l’Oyapock. Les PvVIH résidant à Oiapoque, ville brésilienne frontalière ont d’importantes contraintes de mobilité liées au suivi spécialisé de leur pathologie dans leur État. Elles ont également des représentations plus positives sur le système de santé français. Ces raisons les conduisent à préférer traverser la frontière pour être pris en charge à Saint-Georges. Or ce suivi n’est pas pour autant optimal, engendrant des frais de déplacements, une potentielle illégalité sur le territoire français et/ou des difficultés administratives se surajoutant à un suivi contraignant. L’objectif du projet a été de mettre en place une consultation spécialisée pour les PvVIH à Oiapoque afin de leur donner accès à un suivi de qualité sur leur territoire de résidence. Ce projet a nécessité le travail de nombreux acteurs français et brésiliens d’origines socio-professionnelles différentes amenés à apprendre à collaborer en tenant compte de la complexité de l’interculturalité, matérialisée notamment par des barrières linguistiques et culturelles.
Marcel Gauchet, lecteur critique de Jürgen Habermas
Authors: Roelens Camille
Published: October 2021

L’objet de cet article est d’étudier les références faites par Marcel Gauchet à la pensée de Jürgen Habermas. Se trouver en présence de deux intellectuels contemporains majeurs, ayant tous deux proposé une interprétation englobante, à la fois historique et philosophique, de la modernité démocratique, donne à cette démarche intertextuelle un intérêt théorique et heuristique certain. Une première partie montre qu’un point de convergence fondamental des deux démarches est une vigilance critique face aux pensées antimodernes. Une deuxième partie permet de mettre en évidence les inspirations de Gauchet que l’on peut sans risque qualifier d’habermassiennes. Une troisième partie s’attache à mettre en évidence ce que sont pour Gauchet les limites de la pensée de la modernité de Habermas, en particulier pour comprendre la situation présente des démocraties occidentales. Une quatrième partie fait émerger et discute certains points où Gauchet entend se démarquer de propositions habermassiennes concernant le fait générateur de la modernité démocratique et les conceptions de la citoyenneté.
The Perspective of Balancing the Economic Growth of Healthcare Systems and Environmental Prevention
Authors: Saosaovaphak Anuphak , Chaiboonsri Chukiat , Wannapan Satawat O.
Published: October 2021

Based on real situations that mankind is confronting with the difficult era; insufficiency in food supplies, natural disasters, epidemic, etc. The paper is to econometrically compute portfolio optimization and predict efficiency frontiers for solving the most sensible scenario to suggest a sustainable policy in the three important pillars such as the growth of economic systems, environmental management, and public healthcare. The main observations are annual time-series information between 2000 and 2017 and collected from three countries in ASEAN. Singapore, Thailand, and Malaysia are the target. Methodologically, this research is to apply the quantum mechanism and the wave function for clarifying a real data distribution; true mean, and standard deviation of the data. These outcomes are the initial raw material for the modern portfolio optimization (for short-run policies) and efficient frontier computation (for long-term policies). Empirically, the results show some exclusive issues that can be the help for managing feasible budget allocations fairly and sustainably.
Chaotic Assessment of the Heave and Pitch Dynamics Motions of Air Cushion Vehicles
Authors: Sowayan Ahmed
Published: October 2021

In this study, three degrees of freedom nonlinear air cushion vehicle (ACV) model is introduced to examine the dynamic behavior of the heave and pitch responses in addition to the cushion pressure of the ACV in both time and frequency domains. The model is based on the compressible flow Bernoulli's equation and the thermodynamics nonlinear isentropic relations along with the Newton’s second law of translation and rotation. In this study, the dynamical investigation was based on numerical simulation using the stiff ODE solvers of the Matlab software. The chaotic investigations of the proposed model is provided using the Fast Fourier Transform (FFT), the Poincaré maps, and the regression analysis. Three control design parameters are investigated for the chaotic studies. These parameters are: ACV mass (M), the mass flowrate entering the cushion volume (m ̇_in), and the ACV base radius (r). Chaos behavior was observed for heave, and pitch responses as well as the cushion pressure.
A Systems Approach to Understanding Geopolitical Tensions in the Middle East in the Face of a Global Water Shortage
Authors: Al-Masri Raya A. , Spyridopoulos Theodoros , Karatzas Stylianos , Lazari Vasiliki , Tryfonas Theo
Published: October 2021

In this paper the potential for conflict in the Middle East due to the depleting of regional water reserves is explored and the implications for regional policy making, in the light of other tensions are investigated. We use System Dynamics to develop a model for water resources management and explore via simulation issues that emerge as important, in order to highlight required policies. This analysis validates part of the existing thinking and policies in place and signifies further the need for transboundary cooperation and emphasis on areas that may not be viewed traditionally as key priorities (e.g. demand management, as opposed to continuity of supply).