bluuebunny/crossref_metadata_2025 huggingface dataset:
PARTITION-EQUIVALENT n-POINTS CONFIGURATIONS WITH TWO DISTANCES
Authors: Rezaei Ali Asghar
Published: March 2021

In this paper we define an equivalence relation on the set of all possible geometrical models of M(n, k) containing n points in 3D Euclidean space having k distinct distances. We investigate the number of geometrical model for M(4,2), M(5,2) and M(6,2) up to the mentioned equivalence relation.
HYPERHROUPS AND Hv-GROUPS ASSOCIATED TO ELEMENTS WITH FOUR OXIDATION STATES
Authors: Al-Jinani Rawia , Al-Tahan Madeleine , Davvaz Bijan
Published: March 2021

The theory of hyperstructures is of great importance due to its connections to various fields of Science. $H_v$-structures are hyperstructures where the equality is replaced by the nonempty intersection. This class of the hyperstructures is very large so one can use it in order to define several objects that they are not possible to be defined in the classical hyperstructure theory. This paper attempts an exposition of the connection between hyperstructure ($H_v$-structure) theory and certain type of chemical reactions. In this regard, we consider elements with four oxidation states and investigate their mathematical structures.
A SURVEY ON THE AUTOMORPHISM GROUPS OF THE COMMUTING GRAPHS AND POWER GRAPHS
Authors: Mirzargar Mahsa
Published: March 2021

Let G be a nite group. The power graph P(G) of a group G is the graphwhose vertex set is the group elements and two elements are adjacent if one is a power of the other. The commuting graph \Delta(G) of a group G, is the graph whose vertices are the group elements, two of them joined if they commute. When the vertex set is G-Z(G), this graph is denoted by \Gamma(G). Since the results based on the automorphism group of these kinds of graphs are so sporadic, in this paper, we give a survey of all results on the automorphism group of power graphs and commuting graphs obtained in the literature.
INDEPENDENCE AND PI POLYNOMIALS FOR FEW STRINGS
Authors: Loghman Amir , Khanlar Motlagh Mahtab
Published: March 2021

If $s_k$ is the number of independent sets of cardinality $k$ in a graph $G$, then $I(G; x)= s_0+s_1x+…+s_{\alpha} x^{\alpha}$ is the independence polynomial of $G$ [ Gutman, I. and Harary, F., Generalizations of the matching polynomial, Utilitas Mathematica 24 (1983) 97-106] , where $\alpha=\alpha(G)$ is the size of a maximum independent set. Also the PI polynomial of a molecular graph $G$ is defined as $A+\sum x^{|E(G)|-N(e)}$, where $N(e)$ is the number of edges parallel to $e$, $A=|V(G)|(|V(G)|+1)/2-|E(G)|$ and summation goes over all edges of $G$. In [T. Do$\check{s}$li$\acute{c}$, A. Loghman and L. Badakhshian, Computing Topological Indices by Pulling a Few Strings, MATCH Commun. Math. Comput. Chem. 67 (2012) 173-190], several topological indices for all graphs consisting of at most three strings are computed. In this paper we compute the PI and independence polynomials for graphs containing one, two and three strings.
DOMINATION, TOTAL DOMINATION AND OPEN PACKING OF THE CORCOR DOMAIN OF GRAPHENE
Authors: Mojdeh Doost Ali , Habibi Mohammad , Badakhshian Leila , Loghman Amir
Published: March 2021

A dominating set of a graph G = (V,E) is a subset D of V such that everyvertex not in D is adjacent to at least one vertex in D. A dominating set D is a totaldominating set, if every vertex in V is adjacent to at least one vertex in D. The set Pis said to be an open packing set if no two vertices of P have a common neighbor inG. In this paper, we obtain domination number, total domination number and openpacking number of the molecular graph of a new type of graphene named CorCor thatis a 2-dimensional carbon network.
A NEW PROOF OF A REDUCTION FORMULA FOR THE APPELL SERIES F3 DUE TO BAILEY
Authors: Milovanović Gradimir V. , Rathie Arjun K.
Published: March 2021

In this short note, we provide a new proof of an interesting and useful reduction formula for the Appell series $F_{3}$  due to Bailey [{\it On the sum of a terminating ${}_3F_2(1)$}, Quart. J. Math. Oxford Ser. (2) {\bf4} (1953), 237--240].
VNS-BASED ALGORITHMS FOR THE CENTROID-BASED CLUSTERING PROBLEM
Authors: Rozhnov Ivan P. , Orlov Victor I. , Kazakovtsev Lev A.
Published: March 2021

The k-means algorithm with the corresponding problem formulation is one of the ﬁrst methods that researchers use when solving a new automatic grouping (clus-tering) problem. Its improvement, modiﬁcation and combination with other algorithms are described in the works of many researchers. In this research, we propose new al-gorithms of the Greedy Heuristic Method, which use an idea of the search in variable neighborhoods for solving the classical cluster analysis problem, and allows us to obtain a more accurate and stable result of solving in comparison with the known algorithms. Our computational experiments show that the new algorithms allow us to obtain re-sults with better values of the objective function value (sum of squared distances) in comparison with classical algorithms such as k-means, j-means and genetic algorithms on various practically important datasets. In addition, we present the ﬁrst results for the GPU realization of the Greedy Heuristic Method.
AN ANALOGUE OF COWLING-PRICE’S THEOREM FOR THE Q-FOURIER-DUNKL TRANSFORM
Authors: Achak Azzedine , Daher Radouan , Safouane Najat , Loualid El Mehdi
Published: March 2021

The Q-Fourier-Dunkl transform satisfies some uncertainty principles in a similar way to the Euclidean Fourier transform. By using theheat kernel associated to the Q-Fourier-Dunkl operator, we have established an analogue of Cowling-Price, Miyachi and Morgan theorems on $\mathbb{R}$ by using the heat kernel associated to the Q-Fourier-Dunkl transform.
ON KENMOTSU MANIFOLDS WITH SEMI-SYMMETRIC METRIC CONNECTION
Authors: Yadav Sunil , Chaubey Sudhakar Kr , Prasad Rajendra
Published: March 2021

The aim of the present paper is to study the properties of locally and globally $\phi$-concircularly symmetric Kenmotsu manifolds endowed with a semi-symmetric metric connection. First, we will prove that the locally $\phi$-symmetric and the globally $\phi$-concircularly symmetric Kenmotsu manifolds are equivalent. Next, we will study three dimensional locally $\phi$-symmetric, locally $\phi$-concircularly symmetric and locally $\phi$-concircularly recurrent Kenmotsu manifolds with respect to such connection and will obtain some geometrical results. In the end, we will construct a non-trivial example of Kenmotsu manifold admitting a semi-symmetric metric connection and validate our results.
αβ−STATISTICAL CONVERGENCE ON TIME SCALES
Authors: Sözbir Bayram , Altundağ Selma
Published: March 2021

In this paper, we introduce the concepts of $\alpha\beta-$statistical convergence and strong $\alpha \beta-$Ces\`{a}ro summability of delta measurable functions on anarbitrary time scale. Then some inclusion relations and results about these new concepts are presented. We will also investigate the relationship between statistical convergence and $\alpha \beta-$statistical convergence on a time scale.
FIXED POINT THEOREMS FOR SUBSEQUENTIALLY MULTI-VALUED F_\delta -CONTRACTIONS IN METRIC SPACES
Authors: Beloul Said , Kaddouri Heddi
Published: March 2021

The aim of this paper is to prove common fixed point theorems for multivalued contraction of Wordowski type, by using the concept of subsequential continuity in the setting of set valued context contractions with compatibility. We have also given an example and an application to integral inclusions of Fredholm type to support our results.
TAUBERIAN CONDITIONS FOR $q$-CES\`{A}RO INTEGRABILITY
Authors: Sezer Sefa Anıl , Çanak İbrahim
Published: March 2021

Given a $q$-integrable function $f$ on $[0, \infty)$, we define $s(x)=\int_{0}^{x}f(t)d_qt$ and $\sigma(s(x))=\frac{1}{x}\int _{0}^{x} s(t)d_{q}t$ for $x>0$. It is known that if $\lim _{x \to \infty}s(x)$ exists andis equal to $A$, then $\lim _{x \to \infty}\sigma(s(x))=A$. But the converse of this implication is not true in general. Our goal is to obtain Tauberian conditions imposed on the general control modulo of $s(x)$ under which the converse implication holds. These conditions generalize some previously obtained Tauberian conditions.
f-LACUNARY STATISTICAL CONVERGENCE AND STRONG f-LACUNARY SUMMABILITY OF ORDER α OF DOUBLE SEQUENCES
Authors: Sengul Hacer , Et Mikail , Altın Yavuz
Published: March 2021

The main object of this article is to introduce the concepts of f-lacunary statistical convergence of order alpha and strong f-lacunary summability of order alpha of double sequences and give some inclusion relations between these concepts.
ON STAR COLORING OF DEGREE SPLITTING OF COMB PRODUCT GRAPHS
Authors: Subramanian Ulagammal , Joseph Vernold Vivin
Published: March 2021

A star coloring of a graph G is a proper vertex coloring in which every path on four vertices in G is not bicolored. The star chromatic number χs (G) of G is the least number of colors needed to star color G. Let G = (V,E) be a graph with V = S1 [ S2 [ S3 [ . . . [ St [ T where each Si is a set of all vertices of the same degree with at least two elements and T =V (G) − St i=1 Si. The degree splitting graph DS (G) is obtained by adding vertices w1,w2, . . .wt and joining wi to each vertex of Si for 1 i t. The comb product between two graphs G and H, denoted by G ⊲ H, is a graph obtained by taking one copy of G and |V (G)| copies of H and grafting the ith copy of H at the vertex o to the ith vertex of G. In this paper, we give the exact value of star chromatic number of degree splitting of comb product of complete graph with complete graph, complete graph with path, complete graph with cycle, complete graph with star graph, cycle with complete graph, path with complete graph and cycle with path graph.
ON THE SIGNED MATCHINGS OF GRAPHS
Authors: Javan Samane , Maimani Hamid Reza
Published: March 2021

For a graph $G$ and any $v\in V(G)$, $E_{G}(v)$ is the set of all edges incident with $v$. A function $f:E(G)\rightarrow \{-1,1\}$ is called a signed matching  of $G$ if  $\sum_{e\in E(v)}f(e) \leq 1$ for every $ {v\in V(G)}$. For a signed matching $x$, set $x(E(G))=\sum_{e\in E(G))}x(e)$. The signed  matching number of $G$, denoted by $\beta_1'(G)$, is the maximum $x(E(G))$ where the maximum is taken over all signed matching over $G$. In this paper we obtain the signed matching number of some families of graphs and study the signed matching number of subdivision and edge deletion of edges of graph.
NEW INEQUALITIES ON LIPSCHITZ FUNCTIONS
Authors: İşcan İmdat , Altunsoy Cuma , Kadakal Huriye
Published: March 2021

In this study, some inequalities of Hermite Hadamard type obtained for p-convex functions are given for Lipschitz mappings. Also, some applications for special means have been given.
ON $\mathcal{T}$-HYPERSURFACES OF A PARASASAKIAN MANIFOLD
Authors: Srivastava Sachin Kumar , Sood Kanika , Kumar Anuj
Published: March 2021

The main purpose of this paper is to study transversal hypersurface (briefly, $\mathcal{T}$-hypersurface) $P$ of a paraSasakian manifold $M$. We derive results allied with totally geodesic and totally umbilical $\mathcal{T}$-hypersurface of $M$. The necessary and sufficient condition for normality of $(\mathfrak{f},\mathfrak{g},\mu,\upsilon,\delta)$-structure is established. Examples of $\mathcal{T}$-hypersurface are also illustrated.
STATISTICAL INFERENCE FOR GEOMETRIC PROCESS WITH THE GENERALIZED RAYLEIGH DISTRIBUTION
Authors: Biçer Cenker , Biçer Hayrinisa D. , Kara Mahmut , Yılmaz Asuman
Published: March 2021

In the present paper, statistical inference problem is considered for the geometric process (GP) by assuming the distribution of the first arrival time is generalized Rayleigh with the parameters $\alpha$ and $\lambda$. We use the maximum likelihood method for obtaining the ratio parameter of the GP and distributional parameters of the generalized Rayleigh distribution. By a series of Monte-Carlo simulations evaluated through the different samples of sizes small, moderate and large, we also compare the estimation performances of the maximum likelihood estimators with the other estimators available in the literature such as modified moment, modified L-moment, and modified least squares. Furthermore, we present two real-life dataset analyzes to show the modeling behavior of GP with generalized Rayleigh distribution.
GENUINE MODIFIED BASKAKOV-DURRMEYER OPERATORS
Authors: Ulusoy Ada Gülsüm
Published: March 2021

The present paper deals with genuine Baskakov Durrmeyer operators which have preserved certain functions. We have obtained quantitative Voronovskaya and quantitative Grüss type Voronovskaya theorems using the weighted modulus of continuity. These results include the preservation properties of the classical genuine Baskakov Durrmeyer operators.
ENCRYPTION OF 3D PLANE IN GIS USING VORONOI-DELAUNAY TRIANGULATIONS AND CATALAN NUMBERS
Authors: Selimović Faruk , Stanimirović Predrag , Saračević Muzafer , Pepić Selver
Published: March 2021

A method of encryption of the 3D plane in Geographic Information Systems (GIS) is presented. The method is derived using Voronoi-Delaunay triangulation and properties of Catalan numbers. The Voronoi-Delaunay incremental algorithm is presented as one of the most commonly used triangulation techniques for random point selection. In accordance with the multiple applications of Catalan numbers in solving combinatorial problems and their "bit-balanced" characteristic, the process of encrypting and decrypting the coordinates of points using the Lattice Path method (walk on the integer lattice) or LIFO model is given. The triangulation of the plane started using decimal coordinates of a set of given planar points. Afterward, the resulting decimal values of the coordinates are converted to corresponding binary records and the encryption process starts by a random selection of the Catalan key according to the LIFO model. These binary coordinates are again converted into their original decimal values, which enables the process of encrypted triangulation. The original triangulation of the plane can be generated by restarting the triangulation algorithm. Due to its exceptional efficiency in terms of launching programs on various computer architectures and operating systems, Java programming language enables an efficient implementation of our method.
MULTIPLE USE OF BACKTRACKING LINE SEARCH IN UNCONSTRAINED OPTIMIZATION
Authors: Ivanov Branislav , Shaini Bilall I. , Stanimirović Predrag S.
Published: March 2021

The gradient method is a very efficient iterative technique for solving unconstrained optimization problems. Motivated by recent modifications of some variants of the SM method, this study proposed two methods that are globally convergent as well as computationally efficient. Each of the methods is globally convergent under the influence of a backtracking line search. Results obtained from the numerical implementation of these methods and performance profiling show that the methods are very competitive with well-known traditional methods.
Anticonvulsant Activity of Methanolic Extract of Acorus Calamus Leaves in Albino Mice
Authors: H. L Kalabharathi , Balakrishna Pragathi , N Patali Snehalatha , V Ashwini , Ramu Ramith
Published: March 2021

Acorus calamus, commonly known as sweet flag, has a long history of use in the treatment of a variety of ailmentsincluding inflammation, chest pain, digestive disorders and some mental illnesses. Its effects on the neurological conditions havebeen well documented for axinolytic and antidepressant activities. With this background, the aim of the present study is evaluatethe anticonvulsant activity of methanolic extract of Acorus calamus leaves in albino mice. The study included albino mice dividedinto 8 groups of 6 mice each. Maximum electroshock induced seizures (MES) and Pentylenetetrazole (PTZ) tests wereperformed on the animal models to evaluate the antiepileptic activity (4 groups were allocated to MES and 4 to PTZ). Themethanolic extract of Acorus calamus leaves exhibited a significant reduction in the duration of hind limb extensor phase in MESmodel (7.116±0.501 seconds for control and 9.116± 0.527 seconds for extract) and delayed the latency of seizures induced byPTZ (485.500±14.941 seconds) when compared with that of the control group (297.000±21.918 seconds). In addition, thegroups administered with the extract and sodium valproate in combination exhibited significant results in both MES and PTZmodels (T2- 92.61% and T4- 21.95 %, respectively). Preliminary phytochemical screening performed in several studies has shownthe presence of triterpenoids, flavonoids, saponins and tannins. The anticonvulsant activity of Acorus calamus may be mediated byits GABA potentiating activity. It can thus be concluded that the observed anticonvulsant effects could be the resultant of asynergistic action of these phytochemicals. Further studies should be undertaken to substantiate these results on various animalmodels along with a thorough phytochemical analysis and in silico studies to understand the mode of action of thesephytochemicals on various GABA receptor-mediated signaling.
A pontuação como marcador expressivo da disritmia poética em “Lavoura Arcaica”, de Raduan Nassar
Authors: Martins Alexandre De Oliveira
Published: March 2021

Este artigo desenvolve uma análise sobre a plurissignificação dos signos ideográficos na obra Lavoura arcaica a partir da proposição de algumas hipóteses que justificam por que a pontuação pode - na relação com a palavra - ser a figurativização do próprio desconcerto que o livro tematiza. Partindo do princípio de que o caráter flutuante que cerca o uso da pontuação favorece o trabalho com a modalidade semiótica de significação, aquela da ordem dos impulsos, a reflexão apresenta alguns exames de casos por meio dos quais é possível observar que os signos ideográficos acabam por reger o ritmo, a melodia, a falha, o silêncio e a contração da linguagem, enquanto os signos fonográficos são regidos pelo simbólico. A partir, então, da tensão entre palavra e pontuação, a análise passa a abordar relações entre instinto/razão, afeto/lei, analógico/digital, pessoal/social, processo/julgamento.
A função anagramática do nome próprio na escrita psicótica
Authors: Novaes Mariluci
Published: March 2021

Na lingüística, duas abordagens - a semântica e a pragmática - ressaltam respectivamente duas funções principais para o nome próprio: a de designação de um ser e a de interpelação de um sujeito para a enunciação. Na psicanálise, Lacan (Seminário A Identificação, inédito) marca uma outra propriedade do nome próprio: a de ser uma expressão definida, no sentido de que, em tomo da marca significante, um conjunto de possibilidades e determinações transforma-se num ato de decifração para o sujeito. A partir da consideração das três abordagens, formulo uma outra função para o nome próprio na escrita psicótica: a função anagramática, no sentido de que um nome pode conduzir silenciosamente a narrativa que um sujeito faz de si. No livro Denkwürdigkeiten eines Nervenkranken, Schreber (1903), internado no asilo para doentes mentais SONNENSTEIN, na Alemanha, narra sua experiência de transformação na mulher escolhida por Deus para criar uma nova raça. O nome do asilo exerce a função anagramática de significante-mestre em associação com o sobrenome GOTTLIEB de seu pai, permitindo a construção autobiográfica de uma metáfora delirante num esforço de tomar pública a experiência privada da psicose.
Percursos da memória em textos das literaturas africanas de língua portuguesa
Authors: Fonseca Maria Nazareth Soares
Published: March 2021

Este trabalho propõe discutir, tomando como ponto de partida reflexões sobre a obsessão pela memória vista como uma característica da época atual, arranjos efetuados por alguns textos das literaturas africanas de língua portuguesa como forma de recuperar dados das tradições orais. No desenvolvimento da discussão são citados comportamentos gerados pela globalização, particularmente os que ampliam a necessidade de ver e de exibir, e analisados diversos significados produzidos pelo conceito "lugares de memória ", cunhado por Pierre Nora em 1984, com os quais se procura compreender conflitos característicos de uma época que luta por preservar vestígios do que não mais existe. O texto procura ainda discutir os modos como as literaturas africanas de língua portuguesa vêm sendo recebidas como suportes da memória espontânea e como referência a lugares que convivem com práticas sociais marcadas pela força da voz e com um processo veloz de transformação dessas práticas, que, acolhidas pela literatura, podem se mostrar como resistência ao completo desaparecimento do que nos resta de reserva de memórias.
Callaloo e Caruru: em busca do legado africano nas comidas - identidades do Atlântico Negro
Authors: Almeida Maria Cândida Ferreira de
Published: March 2021

Este artigo propõe investigar a contribuição de comidas tradicionais - o Caruru de Salvador, Bahia e o Callaloo de Trinidad e Tobago - na configuração da identidade do grupo que as consome. Analisarei estes pratos relacionado-os a outros produtos culturais criados por estas comunidades, tal como música, literatura, religião, buscando repetições e diferenças nas construções culturais e identitárias destas regiões visando apresentar o estudo de comida como uma metáfora produtiva destas culturas.
Tradução e outras relações intertextuais
Authors: Almeida Fernando Afonso de
Published: March 2021

Depois de reivindicar a inserção da tradução no campo das ciências da linguagem e de visitar alguns conceitos básicos destas, este artigo procura, a partir da comparação da tradução com outros tipos de discursos e à luz dos conceitos de intertextualidade e reformulação, depreender os principais traços que a caracterizam do ponto de vista enunciativo-discursivo.
Entre faltas e excessos, a busca pela palavra
Authors: Mittmann Solange
Published: March 2021

Este artigo apresenta uma análise de Notas de Tradutores que tratam da busca pela palavra. Serão analisados dois casos. O primeiro é quando a interrupção do gesto de traduzir se dá porque o tradutor se depara com a falta da palavra adequada, precisando saturar o sentido que ficou em aberto. O segundo é quando o tradutor se depara com o excesso de sentido. Por isso, as notas denunciam seus embates durante o fazer tradutório, o que nos leva a uma reflexão sobre este complexo processo.
As operações de tradução em ‘Le facteur de la vérité’
Authors: Lima Érica
Published: March 2021

Este trabalho trata do estatuto da tradução no texto Le facteur de la vérité, de Jacques Derrida, por meio da investigação do que denominamos operações de tradução, caracterizadas pela presença da língua do outro no texto derridiano. O uso do enxerto (greffe) destaca-se como a mais relevante para pensar a lógica dessas operações, pois a combinação de recursos gráficos com processos de inserção possibilita novos jogos de sentido. Esse processo manifesta um ato de hostipitalidade, neologismo derridiano que designa a acolhimento e assimilação da língua ou do texto do outro e, ao mesmo tempo, seu inevitável distanciamento e sua possível hostilidade. Valendo-se das operações de tradução, Derrida coloca em questão a hierarquização entre as línguas materna e estrangeira, entre os textos de partida e chegada, revelando o jogo de forças característico de toda leitura.
Galland, autor das 'Mil e uma noites'
Authors: Guedes Maria Inês Coimbra
Published: March 2021

As Mil e uma noites, versão de Antoine Galland, obteve enorme sucesso de público e influenciou o imaginário e a literatura ocidentais desde sua publicação no início do século XVIII. O arabista francês, autor da primeira tradução dos Contos árabes oriundos da tradição oral, e o autor de uma "reescrita" adaptada ao gosto clássico e perfeitamente de acordo com a produção literária e a episteme de sua época. Este estudo pretende mostrar que a versão de Galland é considerada parte do conjunto do literatura ocidental graças ao modo de traduzir do época, conhecido como belles infidèles.
Reflexões sobre o processo tradutório de alunos de FLE
Authors: Cunha Tânia Reis
Published: March 2021

Com o auxílio da Introspecção, analiso problemas encontrados por dois alunos de graduação durante a tradução de um texto jornalístico do francês para o português. Reflito sabre a correlação entre as estratégias atualizadas para a resolução desses problemas e os componentes da competência comunicativa, identificando as correlações que tiveram como resultado uma tradução mais eficiente.
‘A Social Constructivist Approach to translator Education: Empowerment from Theory to Practice’, de Don Kiraly
Authors: Rosas Marta
Published: March 2021

Livro resenhado:KIRALY, Don. A social constructivist approach to translator education: empowerment from theory to practice. Manchester, UK: St. Jerome Publishing, 2000. 207 p.
‘TRANSGENDERS’: CONSTRUÇÕES AFETIVAS, POLÍTICAS DA ALTERIDADE
Authors: Berutti Eliane Borges
Published: March 2021

A abordagem do romance Stella Manhattan, de Silviano Santiago, abre espaço para a discussão de uma experiência transnacional em que a construção da afetividade e o questionamento político se fazem presentes: o encontro com a ativista política e veterana de Stonewall, Sylvia Rivera.
Epistolografia e projeto nacionalista em Mario de Andrade
Authors: Moraes Marcos Antonio De
Published: March 2021

A epistolografia do escritor brasileiro Mário de Andrade (1893-1945), reconhecida atualmente por seu expressivo volume e importante potencial histórico e biográfico, deve ser interpretada como a prática de um projeto pedagógico inserido no ideário modernista. Este ensaio pretende demonstrar os aspectos dessa pedagogia, focalizando nos anos de 1920, o esforço de Mário de Andrade em difundir, por meio de suas cartas, a ideia da necessidade de criação de uma arte nacional de cunho crítico.
Arthur Omar: Figurinista de arquivos
Authors: Leitão Marcelo Magalhães
Published: March 2021

Aproveitando as linhas gerais do perfil crítico-biográfico fazem-se considerações em torno das múltiplas linguagens desenvolvidas por Arthur Omar para intervir no panorama cultural contemporâneo. Algumas categorias do pensamento estético-epistemológico atual são revistas à luz do exame das propostas mais radicais desse artista.
O SUJEITO NO JORNAL
Authors: Discini Norma
Published: March 2021

O sujeito da enunciação, concebido como construção do próprio discurso, ou seja, como efeito de sentido de individualidade, implica uma voz, um corpo, um caráter, um ethos, enfim. Esse sujeito, depreensível dos textos por meio de uma análise que observa a relação do plano de expressão com o plano de conteúdo, pode, no processo de leitura, ser incorporado por meio da observação de homologações de categorias do plano da expressão com categorias do plano do conteúdo. Esse sujeito, ora depreendido de textos jornalísticos, emerge de relações semi-simbólicas que confirmam a importância do plano da expressão de textos de tal gênero, para que se descreva o estilo de um jornal.
A ARTICULAÇÃO DISCURSIVA DE EMOÇÕES DE HOSTILIDADE E VULNERABILIDADE NA INTERAÇÃO CLIENTE-EMPRESA
Authors: Salgado Maria das Graças De Santana
Published: March 2021

O presente trabalho investiga o discurso da emoção na interação cliente-empresa através da análise de cartas de clientes dirigidas a um Plano de Saúde. Examina, mais especificamente, a relação entre a percepção do cliente sobre direitos e deveres dos participantes e a expressão de emoções de hostilidade e de vulnerabilidade dirigida a empresa. Para tanto, utiliza aspectos da teoria da polidez e da antropologia das emoções, levando em conta emoções que honram ou ameaçam a face dos participantes. Considerando emoção um produto cultural e uma prática discursiva, observamos que a quebra de diretos do cliente que implica deveres da empresa faz emergir no discurso do cliente emoções de hostilidade e de vulnerabilidade, ao mesmo tempo em que revela aspectos da cultura brasileira na interação investigada.
Além da viola: Caldas Barbosa e o cânon poético neoclássico
Authors: Rennó Adriana De Campos
Published: March 2021

O artigo propõe-se a resgatar a importância poética da obra do setecentista Domingos Caldas Barbosa (1740?-1800) para o cânon da literatura luso-brasileira, e redimensionar as visões críticas sobre a sua poesia, dando relevância não só a Viola de Lereno (1798), mas também aos poemas encomiásticos de sua autoria.
Long-term urological complications after conservative local treatment (surgery and brachytherapy) in children with bladder-prostate rhabdomyosarcoma. A single team experience.
Authors: Akkary Rezkalla , Chargari Cyrus , Guérin Florent , Jochault Loic , Audry Georges , Pio Luca , Minard-Colin Veronique , Haie-Meder Christine , Martelli Helene
Published: March 2021

Background: Outcome of children with bladder-prostate rhabdomyosarcoma
has improved with multimodal therapies, including surgery and/or
radiotherapy for local treatment. Our aim was to report the long-term
urological complications after a conservative approach combining
conservative surgery and brachytherapy. Patients and methods: Eighty-six
patients, free of disease, were retrospectively reviewed. Symptoms
related to urinary tract obstruction, incontinence, infection and
lithiasis were reported and graded according to CTCAE classification.
Only symptomatic patients underwent urodynamic studies. Risk factors for
complications were analyzed. Results: There were 76 males and 10
females. The median follow-up was 6.3 years (18 months-24 years).
Complications occurred after a median follow up 5 years (0-21).
Twenty-two patients had long-term urological complications. Urinary
tract obstruction was found in 15 patients, urinary incontinence in 14
patients. Recurrent urinary tract infection and urinary lithiasis were
found in 5 patients respectively. Beyond symptom, 3 etiologies were
identified: bladder dysfunction in 15 patients, urethral stenosis in 6
and uretero-vesical junction stenosis in 5. Posterior bladder wall
dissection used in large prostatic tumors, operation at age less than 2
years and partial prostatectomy were identified as risk factors for
these complications. Conclusion: The conservative surgical approach
combined with brachytherapy for BPRMS leads to long-term urological
complications in 22% of patients free of their disease. Optimizing
brachytherapy doses for young children and establishing a clear and long
term follow-up protocol, could help to reduce these complications.
Video Case Review for Quality Improvement During Cardiac Arrest Resuscitation in the Emergency Department
Authors: Brooks Joseph , Pierce Ayal , McCarville Patrick , Sullivan Natalie , Rahimi-Saber Anahita , Payette Christopher , Popova Margarita , Koizumi Narou , Pourmand Ali , Yamane David
Published: March 2021

Background: Cardiac arrests (CA) are a leading global cause of
mortality. The American Heart Association (AHA) promotes several
important strategies associated with improved cardiac arrest outcomes,
including decreasing pulse check time and maintaining a chest
compression fraction (CCF) > 0.80. Video review is a
potential tool to improve skills and analyze deficiencies in various
situations, however its use in improving medical resuscitation remains
poorly studied in the emergency department (ED). We implemented a
quality improvement initiative, which utilized video review of cardiac
arrest resuscitations in an effort to improve compliance with such AHA
quality metrics. Methods: A cardiopulmonary resuscitation Video Review
Team (CoVeRT) of emergency medicine residents were assembled to analyze
CA resuscitations in our urban academic ED. Videos were reviewed by two
residents, one of whom was a senior resident (PGY-3 or -4), and analyzed
for numerous quality improvement metrics, including pulse check time,
CCF, time to intravenous access, and time to patient attached to
monitor. Results: We collected data on 94 cardiac arrest resuscitations
between July 2017 and June 2020. Average pulse check time was 13.09 (SD
±5.97) seconds, and 38% of pulse checks were less than 10 seconds.
After the implementation of the video review process, there was a
significant decrease in average pulse check time (p=0.01) and a
significant increase in CCF (p=0.01) throughout the study period.
Conclusions: Our study suggests that the video review and feedback
process was significantly associated with improvements in AHA quality
metrics for resuscitation in CA among patients presented to the ED.
Imaging approach to COVID-19 Associated Pulmonary Embolism
Authors: Trunz Lukas , Lee Patrick , Lange Steven , Pomeranz Corbin , Needleman Laurence , Ford Robert , Karambelkar Ajit , Sundaram Baskaran
Published: March 2021

The novel coronavirus disease-2019 (COVID-19) illness and deaths, caused
by the severe acute respiratory syndrome coronavirus-2, continue to
increase. Multiple reports highlight the thromboembolic complications,
such as pulmonary embolism (PE), in COVID-19. Imaging plays an essential
role in the diagnosis and management of COVID-19 patients with PE. There
continues to be a rapid evolution of knowledge related to COVID-19
associated PE. This review summarizes the current understanding of
prevalence, pathophysiology, role of diagnostic imaging modalities, and
management, including catheter-directed therapy for COVID-19 associated
PE. It also describes infection control considerations for the radiology
department while providing care for patients with COVID-19 associated
PE.
Heat transfer analysis in stretching/shrinking rectangular fin with convection and radiation
Authors: Ullah Sharif , Ali Amir , Din Zia
Published: March 2021

The aim of this work is to enhance the heat transfer and study the
efficiency of stretching/shrinking, radiating and rectangular fins. The
effect of the dimensionless parameters, that is, radiation-conduction,
convection-conduction stretching, thermo-geometric parameters as well as
the Peclet number, and surface temperature are investigated on the
efficiency of stretching/shrinking and rectangular fins. The considered
model is studied analytically using Differential Transform Method (DTM).
The result is analyzed with the numerical solution for the accuracy of
the semi-analytical solution, where good agreement is obtained. The
impact of the considered parameters is studied numerically on the
temperature distribution, fin’s tip temperature, and the efficiency of
the fin, where the combined effects of radiation and stretching/
shrinking enhance the system in the heat transfer with better
efficiency. The shrinking of the fin with radiation increases the
efficiency as compared to stretching with radiation is observed, which
plays a significant role in mechanical engineering.
Novel strategy for the demulsification of isolated sesame oil bodies by endogenous proteases
Authors: Chen Yeming , Li Huina
Published: March 2021

Oleosins are mandatory to avoid coalescence of oil bodies (OBs), so
commercial proteases are used to efficiently demulsify OBs into food
oil. However, the commercial proteases and pH regulators (acid and
alkali) greatly restrict this method in industry. In this study,
aspartic endopeptidases, subtilisin-like proteases,
metalloendopeptidase, and serine carboxypeptidases were identified in
isolated sesame OBs by liquid chromatography tandem mass spectrometry
(LC–MS/MS). Tricine–sodium dodecyl sulfate–polyacrylamide gel
electrophoresis and protease inhibitor assay revealed that aspartic
endopeptidases exerted high activity against oleosins in a pH range of
3−6 and a temperature range of 40−70 °C, while subtilisin-like proteases
exhibited sharp optimum at pH 5. Metalloendopeptidase contributed to the
low activity against oleosins at pH 7−9. Trichloroacetic acid–nitrogen
soluble index and free amino acid analyses quantitatively revealed that
the activity of serine carboxypeptidases was high at pH 3−5, and optimal
at pH 4; the combined activity of aspartic endopeptidases and
subtilisin-like proteases was optimal at pH 5. By incubating the
isolated sesame OBs at pH 5 and 60 °C for 2 h, approximately 97% of
total lipids were recovered as free oil. At last, LC−MS/MS analysis gave
deep insight into the intrinsic proteins of sesame OBs: three kinds of
oleosins with molecular weights around 17 kDa, and four kinds around 15
kDa; besides 27 kDa caleosin, four kinds of oil body-associated proteins
and one kind of peroxygenase-like protein also around 27 kDa; in
addition to 39 kDa steroleosin, 11-beta-hydroxysteroid
dehydrogenase-like 6 also around 39 kDa.
Experimental study on breakup of a single bubble in a stirred tank: Effect of gas density and liquid properties
Authors: Zhang Huahai , Wang Yuelin , Sayyar Ali , Wang Tiefeng
Published: March 2021

Bubble breakup plays an important role in gas-liquid flows, but detailed
studies are still scarce. In this work, the breakup behavior of a single
bubble in a stirred tank was experimentally studied with a high-speed
camera, focusing on the effect of gas density, liquid properties,
agitation speed and mother bubble size. The bubble breakup time, breakup
probability, breakup rate and daughter bubble size distribution were
determined. The internal flow phenomenon inside a deformed bubble was
studied in detail, which accounted for the effect of gas density or
operating pressure. The results showed that with increasing gas density,
agitation speed, mother bubble size and decreasing surface tension, the
bubble breakup rate and probability of equal-size distribution
significantly increased. With increasing liquid viscosity, the bubble
breakup rate decreased especially in the high viscosity range. An
M-shaped daughter bubble size distribution was observed, which was
consistent with our previous bubble breakup model.
Sodium ion chemosensor of 3-oxo-3H-benzo[f]chromen-2-carboxylic acid: An experimental and computational study
Authors: Al-Anshori Jamaludin , Rahim Andi , Abror Ajar , Hidayat Ika , Mayanti Tri , Yusuf Muhammad , Juliandri Juliandri , Hidayat Ace
Published: March 2021

A fluorescence compound with the typical skeleton of benzocoumarin was synthesized and its interaction with various metal ions was evaluated. The synthesis was performed via Knoevenagel condensation whereas identification of the product was accomplished by various spectroscopic techniques. The chemosensor test against representative metal ions was monitored by fluorescence spectrophotometry. A density functional theory calculation (DFT, functional/basis set; M06/6-31G (d, p)) was also performed to clarify the experimental results and to confirm the mechanism of interaction. 3-Oxo-3H-benzo- [f]chromene-2-carboxylic acid 1 was obtained as a yellow solid in 60 % chemical yield. Melting point; 235.6?236.7?C and ?max UV/Vis, ?em and Stokes shift (MeOH, nm) of 374, 445 and 71 nm, respectively. The structure of the compound was identified based on spectroscopic data and literature comparison. Compound 1 exhibited a chelation quenched fluorescence (CHQF) phenomenon selectively toward the Na+, with a binding stoichiometry (1:2) and LoD and LoQ of 0.14 and 0.48 mg/L, respectively. Based on DFT calculations, compound 1 chelated Na+ through mechanism of oxidative (1:1 equivalent) and reductive (2:1 equivalent) photoinduced electron transfer (PET), correspondingly
Measuring CSR Disclosure when Assessing Stock Market Effects
Authors: Beelitz Annika , Cho Charles H. , Michelon Giovanna , Patten Dennis M.
Published: March 2021

A growing number of studies are using a dichotomous variable indicating the presence of a standalone CSR report to capture impacts of CSR disclosure. Our concern is that, without considering differences in the information provided, such an approach could lead to incorrect inferences regarding those impacts. We extend prior research by examining whether, similar to differences in environmental disclosure, the mere presence of a standalone CSR report also mitigates negative market reactions at times of regulatory cost exposure. We focus on the 2011 Fukushima Daiichi disaster and a sample of international utilities with nuclear power generation. Controlling for other factors related to social and regulatory cost exposures, we find only the environmental disclosures appear to reduce negative market effects. We argue that, in exploring the impacts of CSR disclosure, researchers need to carefully consider, beyond just the presence of a CSR report, differences in the extent of information being provided.
APLIKASI UV SPECTROSCOPY DAN METODE SIMCA UNTUK KLASIFIKASI KOPI LIBERIKA TUNGKAL JAMBI DAN KOPI LIBERIKA PROBOLINGGO
Authors: Kuncoro Sapto , Yulia Meinilwita , Suhandy Diding
Published: March 2021

Tungkal Composite Jambi Liberika Coffee is one of the top qualities of Indonesian coffees that has received a geographic indication certificate (IGs). With its limited production and high prices, currently Tungkal Jambi Liberika coffee is one of the coffees that is prone to being counterfeited. The counterfeiting of Tungkal Jambi Liberika coffee is increasingly difficult to identify, especially in the form of ground roasted coffee. This study evaluated the potential application of UV spectroscopy technology to classify Tungkal Jambi Liberika coffee (with geographic indications) and normal Probolinggo Liberika coffee (non- geographic indications). A total of 120 samples for each Liberika coffee were prepared weighing 1 gram for each sample. Spectra measurements were carried out in the form of a coffee solution. Spectral data were taken using a UV-visible spectrometer with a wavelength interval of 200-400 nm (Genesys™ 10S UV-Vis, Thermo Scientific, USA). By using the average transformed spectra in the 250-350 nm interval, the differences between the two types of Liberika coffee can be clearly seen, especially at some wavelength peaks, namely 270 nm, 300 nm, 315 nm and 346 nm. The classification accuracy obtained for the SIMCA classification is 100% for both Tungkal Jambi Liberika and Probolinggo Liberika coffee. Keywords:   authentication, classification accuracy, Tungkal Jambi Liberika coffee, SIMCA, UV Spectroscopy
Электромагнетизм и гравитация - порождение структуры частицы
Authors: Чеснаков Михаил
Published: March 2021

Показано, как в рамках модели последовательное усложнение структуры связанного состояния гипотетических мнимых частиц приводит к появлению материальных частиц с всевозможными формами взаимодействия и созданному частицами сложному пространству. При этом оказалось возможным объединить электрические, магнитные и силы гравитации. Масса является производной структуры частицы, и вместе со скоростью образуют компоненты импульса.
Tatalaksana Kehamilan G5P1A3 Gravida 10–11 Minggu dengan Riwayat Keguguran Berulang
Authors:   Departemen Obstetri dan Ginekologi Fakultas Kedokteran Universitas Padjadjaran  Rumah Sakit Dr. Hasan Sadikin Bandung, Nurita Rena , Anwar Ruswana
Published: March 2021

Keguguran berulang merupakan kejadian keguguran paling tidak sebanyak dua kali atau lebih berturut-turut pada usia kehamilan kurang dari 20 minggu dan/atau berat janin kurang dari 500 gram. Kejadian keguguran tiga kali atau lebih terjadi pada 1% pasangan. Analisis penyebab dan faktor risiko pada tiap pasien bersifat individu dan perlu dipelajari agar dapat dilakukan penatalaksanaan yang sesuai. Penatalaksanaan yang diberikan perlu memerhatikan kondisi sebelum kehamilan berikutnya dan mempertahankan kehamilan berikutnya yang terjadi. Kami membahas mengenai G5P1A3 gravida 10–11 minggu dengan riwayat keguguran berulang. Pada skrining faktor risiko dan analisis penyebab keguguran berulang pada pasien ini disebabkan oleh hiperagregasi trombosit, yang belum dapat ditentukan apakah diturunkan atau didapat. Diperlukan pemeriksaan lanjutan untuk menegakkan diagnosis tersebut. Terapi kombinasi aspirin dan heparin merupakan terapi yang tepat untuk pasien ini. Kata kunci: aspirin, heparin, hiperagregasi trombosit, keguguran berulang, trombofilia
Organization and procedures in contemporary catheter ablation centres: data from the 2018 Italian Catheter Ablation Registry
Authors: Stabile Giuseppe , Bertaglia Emanuele , Guerra Federico , Palmisano Pietro , Zoni Berisso Massimo , Soldati Ezio , Bisignani Giovanni , Forleo Giovan Battista , Zanotto Gabriele , Landolina Maurizio , Boriani Giuseppe , D’Onofrio Antonio , De Ponti Roberto , Ricci Renato Pietro
Published: March 2021

Aims

This report describes the findings of the 2018 Italian Catheter Ablation Registry of the Italian Association of Arrhythmology and Cardiac Pacing (AIAC).

Methods

The Italian Catheter Ablation Registry systematically collects data on the ablation procedures performed in Italy. Data collection was retrospective. A standardized questionnaire was completed by participating centres.

Results

We collected data on 15 714 catheter ablation procedures performed in Italy during 2018 in 94 electrophysiology centres. In most centres (75/94, 80%), a single electrophysiology laboratory was available, and a hybrid electrophysiology laboratory was available in 15% (14/94) of centres. In most (93%) centres, at least two electrophysiologists were involved in the catheter ablation procedures. In only 13 out of 94 (14%) electrophysiology laboratories, an anaesthesiologist assists every electrophysiology procedure; in most cases (74/94, 79%), an on-demand anaesthesiology service was available. On-site cardiothoracic surgery was reported in 43 out of 94 (46%) centres.

Nonfluoroscopic navigation systems were available in most centres (88/94, 93%). Intracardiac echocardiography was used in 59 out of 94 (63%) electrophysiology laboratories. Atrial fibrillation (31%) was the most frequently treated ablation target, followed by atrioventricular nodal re-entrant tachycardia (20%) and cavo-tricuspid isthmus (15%). In 61.7% of all procedures, a 3D mapping system was used. In about one-third of procedures, a near-zero approach was performed.

Conclusion

In most Italian electrophysiology centres, a single electrophysiology laboratory was available and at least two electrophysiologists were involved in the ablation procedures. An increasing number of procedures were performed by means of a nonfluoroscopic mapping system with a near-zero approach.
PENGUKURAN EFEKTIVITAS MESIN DENGAN MENGGUNAKAN METODE OVERALL EQUIPMENT EFFECTIVENESS (OEE) DAN OVERALL RESOURCE EFFECTIVENESS (ORE) PADA MESIN PL1250 DI PT XZY
Authors: Zulfatri Muthi Maisa , Alhilman Judi , Atmaji Fransiskus Tatas Dwi
Published: March 2021

Mesin PL1250 merupakan salah satu mesin yang digunakan dalam pembuatan cover on-off di PT XYZ yang mengalami frekuensi kerusakan terbanyak. Kerusakan mesin menyebabkan terjadinya downtime. Downtime mengakibatkan proses produksi terhenti karena mesin tidak dapat beroperasi. Hal ini menyebabkan penurunan produktivitas karena mesin tidak dapat menghasilkan produk dengan maksimal. Berdasarkan permasalahan tersebut, maka evaluasi terhadap kinerja mesin dilakukan pada mesin PL1250 dengan menggunakan metode Overall Equipment Effectiveness (OEE) dan Overall Resource Effectiveness (ORE). Tujuan dari evaluasi kinerja mesin yaitu untuk mengetahui efektivitas penggunaan mesin dan ketersediaan sumber daya, serta mengetahui kerugian yang muncul selama proses produksi berlangsung berdasarkan six big losses. Hasil penelitian menunjukkan bahwa rata-rata nilai OEE sebesar 76.54% dan nilai ORE sebesar 73.53% yang berada di bawah standar global yaitu 85%. Rendahnya efektivitas mesin dipengaruhi oleh dua losses yang paling dominan yaitu reduced speed loss dengan persentase sebesar 36.27% dan idling and minor stoppages loss dengan persentase sebesar 29.54%. Penyebab rendahnya efektivitas dipengaruhi oleh aspek manusia, mesin, material, dan metode.