bluuebunny/crossref_metadata_2025 huggingface dataset:
Heat Source Analysis on Ultrasonic Welding of Plastic Structural Components Based on Numerical Simulation
Authors: Zhang Miaomiao
Published: July 2021

Compared with traditional arc welding, ultrasonic welding of plastic structural components has such advantages as fast welding speed, high weld strength, small surface damages, simple equipment operation and cleanness and no pollution, thus having a good application prospect. However, the existing literatures have discussed little on the thermal stability analysis of the welding process and the influences of the parameters affecting the fixation effect of welding on the heat transfer performance of the welding process. For this reason, this paper analyzes the heat source in the ultrasonic welding of plastic structural components based on numerical simulation. First, numerical simulation was performed on the temperature field of the heat source in the ultrasonic welding of plastic structural components, the basic heat transfer forms in the welding process were elaborated in detail, the corresponding governing equations and boundary conditions were given and the governing equation of nonlinear transient heat conduction were solved by the finite element method. Then, ABAQUS thermal analysis and heat source parameter calibration were carried out on the welding heat source. In the experiment section, the heat source analysis results were given regarding the ultrasonic welding of plastic structural components.
Modeling of Particle Deposition in a Two-Fluid Flow Environment
Authors: Fatt Yap Yit , Goharzadeh Afshin
Published: July 2021

Particle deposition occurs in many engineering multiphase flows. A model for particle deposition in two-fluid flow is presented in this article. The two immiscible fluids with one carrying particles are model using incompressible Navier-Stokes equations. Particles are assumed to deposit onto surfaces as a first order reaction. The evolving interfaces: fluid-fluid interface and fluid-deposit front, are captured using the level-set method. A finite volume method is employed to solve the governing conservation equations. Model verifications are made against limiting cases with known solutions. The model is then used to investigate particle deposition in a stratified two-fluid flow and a cavity with a rising bubble. For a stratified two-fluid flow, deposition occurs more rapidly for a higher Damkholer number but a lower viscosity ratio (fluid without particle to that with particles). For a cavity with a rising bubble, deposition is faster for a higher Damkholer number and a higher initial particle concentration, but is less affected by viscosity ratio.
Systematic Renovation Design of Surface Water Source Heat Pump for a Hot Spring Center Based on Thermodynamic Analysis
Authors: Liu Yijun
Published: July 2021

Currently, the application and renovation of surface water heat source pump (WHSP) mainly attempt to optimize heat exchangers, water pumps, the overall system, and economic frictional head loss. The mathematical model is often established and solved with such optimization objectives as optimization parameters, control forms, costs, and feasibility of investment and construction. There are relatively few studies that optimize the operating conditions with the minimal total energy consumption of system operations, and, on this basis, pursue global optimization design of the WSHP system. Therefore, this paper aims to carry out a systematic renovation design of the surface WSHP in a hot spring center in the national forest park of northern Guilin, southwestern China’s Guangxi Zhuang Autonomous Region. The project mainly covers the design of hot spring system, air-conditioning system, and hot water system, as well as the exergy analysis of WSHP system. Among them, the design of hot spring system includes the regulation of raw water, cold water, and warmed water; the constant temperature control of hot spring pools; the waste heat utilization of warmed water from the pools. The scientific nature of the design was proved through experiments.
A Review of Therapeutic Antibodies in Breast Cancer
Authors: Eini Maryam , Zainodini Nahid , Montazeri Hamed , Mirzabeigi Parastoo , Tarighi Parastoo
Published: July 2021

Since the first production of monoclonal antibodies about 35 years ago, researchers have found them useful in the treatment and diagnosis of various diseases such as cancer. By developing different types of monoclonal antibodies such as humanized, drug conjugated, or bispecific ones, researchers, have achieved remarkable success in treating several complicated and challenging diseases, targeting specific antigens or receptors makes monoclonal antibodies the right choice to inhibit signaling pathways like programmed death-ligand 1 (PD-L1) or programmed death1 (PD-1) and changing cell behavior. As one of the most common types of malignancies among women, breast cancer is one of the most critical conditions which different types of monoclonal antibodies were designed and produced to treat. Therefore, we reviewed these antibodies in breast cancer, their targets, and their efficacy and toxicity, with more focus on recent PD-L1or PD-1 inhibitor antibodies in breast cancer and beyond.
Biological Diversity of Plants in the Territory of the Protected Landscape "Razdorskie Sklony" (Rostov Region)
Authors: Ermolaeva Olga Yu. , Fedyaeva Valentina V. , Shmaraeva Antonina N. , Gorovtsov Andrey V.
Published: July 2021

The article is aimed to assess the florocenotic diversity of the specially protected natural territory of the Rostov region ʺRazdorskie sklonyʺ. In the Rostov region there are 84 specially protected natural areas (PA), including the protected landscape ʺRazdorskie sklonyʺ. The PA consists of three cluster sites with a total area of 1117.64 hectares. The ʺRazdorskie sklonyʺ are a picturesque natural-historical landscape, typical for the right-bank slope of the Don valley. It has a long history of cultural development. Here there are feather grass steppes, the southernmost ravine upland forests, outcrops of pontic limestone-shell rocks, sands of the Yanovskaya formation and clay outcrops on the slopes, with a strip of alluvial floodplain. The vegetation of the right bedrock slope of the Don valley is distinguished by great formational variegation and mosaicism, due to the rapid and abrupt change of environmental factors in a rather limited space, which largely determines the richness and originality of its floristic complex. On the territory of the protected landscape, subzonal forb-sod grass, as well as hemipsammophytic (semi-sandy) and petrophytic steppes are present. Woody vegetation is represented by gully, floodplain forests and thickets of bushes. The vegetation cover of the ʺRazdorskie sklonyʺ is distinguished by a low degree of anthropogenic destruction and is quite representative in syntaxonomic and floristic terms. The flora of the protected landscape includes 693 species of higher vascular plants, including 29 taxa from the Red Books of the Rostov Region and the Russian Federation, a total of 183 taxa from the Red List of the International Union for Conservation of Nature (93 species) and the European Red List (145 species). Forest vegetation in the gullies of the protected areas is represented by ravine, floodplain forests and thickets of bushes. In the system of zoning of the ravine forests of the Lower Don, the ravine forests of the ʺRazdorskie sklonyʺ belong to one of the most southern regions – the Crimean-Donetsk region. Numerous cenopopulations of for-est ephemeroids form spring synusia in ravine forests and thickets of shrubs, being a temporary ʺcollective dominantʺ.
Solving Systems of Linear Algebraic Equations with the Use of an Selective Regularization
Authors: Lutay Vladimir N.
Published: July 2021

The solution of systems of linear algebraic equations, which matrices can be poorly conditioned or singular is considered. As a solution method, the original matrix is decomposed into triangular components by Gauss or Chole-sky with an additional operation, which consists in increasing the small or zero diagonal terms of triangular matrices during the decomposition process. In the first case, the scalar products calculated during decomposition are divided into two positive numbers such that the first is greater than the second, and their sum is equal to the original one. In further operations, the first number replaces the scalar product, as a result of which the value of the diagonal term increases, and the second number is stored and used after the decomposition process is completed to correct the result of calculations. This operation increases the diagonal elements of triangular matrices and prevents the appearance of very small numbers in the Gauss method and a negative root expression in the Cholesky method. If the matrix is singular, then the calculated diagonal element is zero, and an arbitrary positive number is added to it. This allows you to complete the decomposition process and calculate the pseudo-inverse matrix using the Greville method. The results of computational experiments are presented.
Differentiation of Cholera Vibryo Strains from Microorganisms - Representatives of the Genus Aeromonas Using the Nutritional Medium "Arginine-Iron-Sugar Agar"
Authors: Mazrukho Alexey B. , Kaminsky Denis I. , Lobanov Vladimir V. , Sokov Dmitry V. , Arkhangelskaya Irina V. , Ezhova Maria I. , Levchenko Darya A. , Sagakyants Margarita M.
Published: July 2021

The study of the possibility of using the developed nutrient medium "Arginine-iron-sucrose agar" for the differentiation of Vibrio cholerae strains of various origins from microorganisms of the genus Aeromonas was carried out. The results obtained allow us to consider the use of this medium as a promising direction for solving the problem of differentiation of V. cholerae strains from closely related aeromonads at the stages of selecting suspicious colonies from alkaline agar and differential agarized media of the TCBS type and selecting cultures for further identification. The developed environment can be recommended for bacteriological laboratories at the territorial level conducting monitoring studies for cholera.
Slow Motions of A Circular Cylinder in a Liquid after a Separation Impact
Authors: Norkin Michail V.
Published: July 2021

The plane problem of the separation impact of a circular cylinder completely immersed in an ideal incompressible heavy liquid is considered. It is assumed that after the impact, the cylinder moves horizontally at a constant speed. An attached cavity is formed behind the body, the shape of which depends on the physical and geometric parameters of the problem. It is required to study the process of collapse of the cavity at low velocities of the cylinder, which correspond to small Froude numbers. The solution to the problem is constructed using asymptotic expansions in a small parameter, which is the dimensionless speed of the cylinder. In this case, as the characteristic speed of the problem, a value is chosen equal to the square root of the product of the radius of the cylinder and the acceleration of gravity. As a result of this choice, the indicated small parameter coincides with the Froude number, and therefore, we can assume that the asymptotics of the problem is constructed for small Froude numbers. In the leading asymptotic approximation, a mixed problem of potential theory with one-sided constraints on the surface of the body is formulated. With its help, the position of the separation points at each moment of time is determined and the time of collapse of a thin cavity is found. The results obtained can be used to solve practical problems of ship hydrodynamics, in which it is necessary to take into account the phenomenon of cavitation.
The Density of Polynomials in a Special Space of Entire Functions of Exponential Type
Authors: Tatarkin Aleksandr A.
Published: July 2021

The traditional approach to solving a specific problem of spectral synthesis in a complex domain involves reducing it to the problem of local description of closed submodules in a certain space of entire functions. The last problem is split into checking the stability and saturation of the submodule under study. This approach turned out to be very effective, for example, in the study of submodules of local rank 1 and in the study of submodules in topological modules associated with unbounded convex domains. Recent studies on spectral synthesis in the complex domain are based on a different scheme. This scheme involves reducing the problem of local description to checking the density of polynomials in a special module of entire functions of exponential type. Moreover, the space under study is a separable locally convex space of type (LN)*. Polynomial approximation in such a space is understood by us as sequential approximation, that is, we are talking about the approximation of space elements by ordinary (not generalized) sequences of polynomials. In this article, we study a special locally convex module of entire vector functions over the ring of polynomials in the degree of the independent variable. The theorem proved in the article can serve as a source of new results on spectral synthesis in the complex domain.
Accessory and Ore Mineralization of Schists from the Basement of the Yamal Peninsula (Zapadno-Yarotinsky Area, Western Siberia)
Authors: Erokhin Yuriy V. , Ivanov Kirill S. , Zakharov Anatoliy V. , Khiller Vera V.
Published: July 2021

The results of studying the mineralogy of metamorphic schists from the Pre-Jurassic base of the Arctic part of the West Siberian plate are presented. The accessory and ore mineralization of schists from the Zapadno-Yarotinsky license area located in the southern part of the Yamal Peninsula is studied. The schists was uncovered by the Zapadno-Yarotinskaya No. 300 well at a depth of 2762 m. Above the section, the metamorphic rocks are overlain by a young Meso-Cenozoic cover. The schists are mainly composed of quartz, plagioclase (albite), carbonates (dolomite and siderite), mica (muscovite) and chlorite (donbassite). The discovered accessory and ore minerals in the metamorphic schists of the Zapadno-Yarotinsky area can be divided into two groups. The first group includes minerals that were formed during the metamorphism of schists, or were preserved as detrital matter. These minerals include zircon, fluorapatite, and rutile as the most stable compounds. The remaining mineralization (pyrite, sphalerite, chalcopyrite, cubanite, galena, cobaltite, barite, xenotime-(Y), goyazite, synchysite-(Nd), native silver and copper) is clearly secondary and was formed as a result of superimposed metasomatic processes. Judging from the described mineralogy, the schists underwent changes as a result of superimposed propyllitization. The temperature range of this process is determined by the formation of cubanite in association with chalcopyrite at a temperature of 200-210 оС.
Particle-Size Distribution in Soils of the Khankaiskiy Nature Reserve (Primorye Territory)
Authors: Golodnaya Olga M. , Zharikova Elena A.
Published: July 2021

Soil texture is determined and the features of particle-size vertical distribution in soils of different landscapes of the Khankaiskiy Nature Reserve are considered. Three variants of the distribution of clay (<0.001 mm) and physical clay (<0.01 mm) fractions along the vertical profiles soils are identified: accumulative, regressive, with a maximum in the middle-profile horizon and with their approximately equal contents in the upper and the lower horizons. A regressive variant is revealed in burozems gleyic, podzoliс-brownzems, dark-humus gley and alluvial meadow gley soils. These soils are characterized by a medium loamy sandy-coarse-dusty composition of the upper horizons and a light- or medium-loamy composition of the middle and lower parts of the profile. The distribution of fine fractions along the profile is observed with a gradual decrease in their content with depth in typical burozems and alluvial meadow gley-ic soils, while the texture of the layer changes from medium loamy to light loamy. The vertical distribution of fine fractions with a maximum in the middle part of the profile is revealed in mucky gley soils. The profile is formed under the influence of a combination of the floodplain process with the introduction and redeposition of suspended particles and gleying. The lithological specificity of the accumulation of the initial parent materials plays a decisive role in the differentiation of fine fractions in the soil profile.
Synthesis and Characterization of Some Transition Metals Complex Salts of Pyridinium Iodide Ionic Liquids: Application on Extractive Desulfurization
Authors: SABAH Assim A.
Published: July 2021

The ionic liquid of pyridine base [emPy]I was prepared. Then, a series of complex salts were designed from it with some transition metal chlorides Fe(III), Co(II), Ni(II) and Cu(II) as Lewis acids. The compounds were characterized by spectroscopic and physical methods such as nuclear magnetic resonance "1H-NMR", infrared spectroscopy "FT-IR", electronic spectrum "UV", mass spectroscopy "MS", elemental analysis "CHN", magnetic susceptibility, molar conductivity, and other methods. The thermal stability of these compounds was also verified within the temperature range of (25-1000 °C). [emPy]I and its complex salts were tested in the extractive desulfurization process EDS. The procedure treats them with the model fuel of sulfur content of 2000 ppm, prepared from dissolving dibenzothiophene DBT in n-hexane. The ratio of sulfur removal was estimated using the GC-FID technique. The optimal conditions for EDS process were studied, and the possibility of reusing the extractant more than once without regeneration.
Deroči vrelec Antona Krempla
Authors: Jesenšek Marko
Published: July 2021

Monografija je posvečena 230. letnici rojstva pomembnega slovenskega duhovnika, pesnika, pisatelja in narodnega buditelja Antona Krempla in dogodkom pri Mali Nedelji, ki so povezani z njegovim življenjem in delom. Krempl je bil med redkimi vzhodnoštajerskimi pisci prve polovice 19. stoletja, ki se je zavzemal za poenotenje slovenske knjižne norme in ni sledil Dajnkovi ideji, da bi Slovenci med Dravo in Muro imeli svojo knjižno različico. V monografiji je predstavljen Kremplov vpliv na oblikovanje enotnega slovenskega knjižnega jezika sredi 19. stoletja, analiziran je njegov jezik v prvi slovensko pisani zgodovini Dogodivščine štajerske zemle (1845), obravnavana je raba glagolskih oblik in slogovno zaznamovano izražanje, predstavljena so različna obdobja njegovega bivanja in delovanja na vzhodnem Štajerskem in dogodki, ki so vplivali na oblikovanje njegove etnične identitete. Monografija seznanja bralca s Kremplovimi hagiografskimi zgodbami Branje od tih v kmetičke kalendre postavlenih ino nekerih drugih svetnikov in njegovim rokopisnim gradivom, ki ga hrani Univerzitetna knjižnica Maribor, podaja vizualni pregled krajevnih postaj iz življenja in delovanja Antona Kremplja, ki ga v slikovni podobi na razglednicah hrani Zbirka drobnih tiskov v Univerzitetni knjižnici Maribor. V povezavi s Kremplom je analiziran govor Male Nedelje, predstavljeni so njegovi pomembni rojaki in delo Antona Božiča, ki je bil pri Mali Nedelji eden izmed številnih nadaljevalcev Kremplovega narodnoprebudnega in organizacijskega dela.
Anton Božič – naslednik Kremplovega prebuditeljskega delovanja v malonedeljski in širši okolici
Authors: Božič Anton
Published: July 2021

Kremplovo narodnoprebuditeljsko delovanje je vplivalo na množični razvoj slovenskega domoljubja. Med nasledniki Kremplovega delovanja je v malonedeljski in širši okolici izstopal Anton Božič, krščenec Antona Krempla. Bil je narodni buditelj; boril se je za slovenski jezik v šolah, uradih, za izobrazbo, ekonomski in družbeni napredek podeželja.
Ekspresivno izražanje v zgodovinopisju Antona Krempla
Authors: Ulčnik Natalija
Published: July 2021

V prispevku je izpostavljen način ubeseditve zgodovinske tematike v delu Dogodivšine štajerske zemle ‘Zgodovina Štajerske’ (1845), ki ga pojmujemo kot prvo obsežnejše zgodovinsko delo v slovenščini. Obravnavano je slogovno zaznamovano izražanje in z njim povezan avtorjev pogled na predstavljene dogodke in zgodovinske osebnosti. Ekspresivnost pri tem ni pojmovana kot posebnost Kremplovega sloga, temveč kot pričakovana značilnost strokovnega besedila 19. stoletja.
Krščanske hagiografske pripovedi Antona Krempla
Authors: Bošnjak Blanka
Published: July 2021

Slovstveno delo duhovnika in narodnega buditelja Antona Krempla (1790–1844) je zelo raznoliko. Pisal je pesmi, šolske knjige in zgodovino, je avtor molitvenikov, pridig in priložnostnih govorov. 1833 je izdal hagiografske zgodbe Branje od tih v kmetičke kalendre postavlenih ino nekerih drugih svetnikov, ki so v prispevku povezane s teo-retičnimi opredelitvami krščanske hagiografije kot žanra.
Kremplova rokopisna zapuščina v Univerzitetni knjižnici Maribor
Authors: Stavbar Vlasta
Published: July 2021

Prispevek predstavlja Kremplovo rokopisno zapuščino, ki jo hrani Univerzitetna knji-žnica Maribor v svoji Rokopisni zbirki. S pomočjo Kremplove biografije je predstavljen nastanek njegovih del in ohranjanje njegove osebne zapuščine ter Kremplova prisotnost v drugih osebnih zapuščinah. S popisom rokopisnega gradiva in navedbo literature je raziskovalcem Kremplovega dela na voljo natančen popis gradiva.
Narečna podoba malonedeljskega govora
Authors: Koletnik Mihaela
Published: July 2021

V prispevku je predstavljena glasoslovna in oblikoslovna podoba krajevnega govora Male Nedelje, kjer je med letoma 1836 in 1844 deloval Anton Krempl (1790–1844). Malonedeljski govor se uvršča v prleško narečje, širše pa k panonski narečni skupini. Samoglasniški sistem sestavljajo sami monoftongi. V oblikoslovju so ohranjena vsa tri števila in vsi trije spoli, večina končnic je enaka knjižnim.
Rola pogody w narracji o drugiej wojnie punickiej
Authors: Matusiak Patrycja
Published: July 2021

The purpose of the article is to present the role of natural weather phenomena that were noted by ancient historians in the narrative of the Second Punic War (218–201 BC). In addition to the best-known use of the weather during the Battle of Cannae (216 BC), during which Hannibal, according to historian Florus, colluded with all nature, the article analyses the failed attempt to capture Rome in 211 BC – prevented by a storm, weather prodigia heralding Roman defeat in the first part of the war as well as the function of meteorological battle imagery.
Rola środowiska geograficznego w działaniach wojennych prowadzonych na obszarze Bułgarii w drugiej połowie XIX w.
Authors: Faszcza Dariusz
Published: July 2021

The knowledge of geographical conditions is one of the main requirements for planning military operations at each command level. The natural environment enforces the variety of combat techniques. It is a truism, therefore, to say that every military historian reconstructing the course of wars or war campaigns should analyze the impact of natural conditions on the battle planning process and its course. The article presents the characteristics of Bulgarian area and the impact of geographical conditions on the course of military operations during the Russian-Turkish war of 1877–1878 and the Serbian-Bulgarian war of 1885. Although they were two different conflicts in terms of duration, number of forces and direction of conduct, their example shows the problems faced by fighting armies at the time. We are dealing with issues related to overcoming the swollen waters of Danube and battlefields abounding in hills and mountain passages difficult to access. Not without significance were weather issues, which influenced the course of the fight and the possibilities of supplying troops.
Response of Groundnut (Arachis hypogaea L.) to Different Levels and Time of Phosphogypsum Nutrition
Authors: Vaishnav Sheri , Ananda M.R. , Rehaman H.M. Atheekur , Seenappa C. , Prakasha H.C.
Published: July 2021

Background: Groundnut is one of the most important oilseed crops of India. Improving productivity of groundnut to meet the domestic vegetable oil demand through balanced fertilization is the prime challenge lying before the agronomists in the country. With the aim of evaluating phosphogypsum as a source of sulphur nutrition in groundnut, a field experiment entitled “Response of groundnut (Arachis hypogaea L.) to different levels and time of phosphogypsum nutrition” was conducted at Agronomy field unit, University of Agricultural Sciences Bangalore, during kharif-2019. Methods: Experiment was laid out in randomised complete block design (RCBD) with eleven treatments, of which eight have different combinations of phosphogypsum applied as basal and in split (30 DAS) and one with gypsum as basal alone. Whereas, the remaining two treatments, without any additional source of sulphur are included for comparison. Result: Among eleven treatments, application of phosphogypsum @ 125 kg S eq ha-1 in split recorded highest yield attributes, pod yield (2063 kg ha-1), kernel yield (1418 kg ha-1) and sulphur uptake (11.33 kg ha-1). Which were on par with 100 kg S eq ha-1 in split (2014, 1380 and 10.39 kg ha-1, respectively). All other treatments recorded lower values with lowest in treatments without any additional sulphur source.
Identification of QTLs Associated with Two-seed Pod Length and Width in Soybean
Authors: Shan D.P. , Xie J.G. , Yu Y. , Zhou R. , Cui Z.L. , Chen Q.S. , Meng F.L.
Published: July 2021

Background: Two-seed pod length and width (TSPL and TSPW, respectively) are the traits underlying seed size, which is an important factor influencing soybean yield. Methods: A population comprising 213 chromosome segment substitution lines from a cross between ‘Suinong14’ (SN14) and ZYD00006 was used for a quantitative trait locus (QTL) analysis. The QTLs were identified on the basis of the phenotypes from 2016 to 2019. Additionally, IciMapping 4.2 was used to analyze the phenotypic and genetic data. Genes were annotated using the KEGG and Phytozome databases. Result: Five QTLs for TSPL and four QTLs for TSPW were identified. One QTL on chromosome 17 was detected for TSPL in 2017 and 2018 as well for TSPW in 2018 and 2019. Analyses of the additive × additive epistatic effects of QTLs revealed six stable loci pairs for epistatic effects on the two traits. On the basis of an alignment of the parental gene sequences and the gene annotation information, Glyma.04G188800, Glyma.11G164700, Glyma.13G132700, Glyma.17G156100 and Glyma.13G133200 were selected as candidate genes for TSPL, whereas Glyma.13G174400, Glyma.13G174700, Glyma.16G012500, Glyma.17G156100, Glyma.19G161700 and Glyma.19G161800 were selected as candidate genes for TSPW. These results may be relevant for future attempts to modify soybean seed traits.
Development of vocational education in Nigeria: The impact of corruption
Authors: Adesuwa Imafidon
Published: July 2021

This paper is a conceptual paper aimed at examining the effect of corruption on the development of vocational education in Nigeria. The paper reviews the relevant literature such as the concept, different levels, forms and origin of corruption. The concept of vocational education, the relationship between vocational education and corruption and the consequences of corruption on the development of vocational education in Nigeria are also examined. Some strategies for combating corruption and some of the efforts of the government to fight corruption were also looked at. In conclusion, a direct link between corruption and vocational education is established; some recommendations were suggested, which include that in order to reduce corruption, the government must have the political will to initiate and sustain the fight against corruption.
 
Keywords: Corruption practices, education, vocational education, Nigeria, development.
Social justice issues in education and management of student development in Nigeria
Authors: Abdullah Nimota Jibola Kadir
Published: July 2021

This study attempted to investigate social justice issues in the education and management of students’ development. This study seeks to find the relationship between equal opportunity to learning, provision of basic needs, teacher preparation of lesson and students’ development in Kwara State, Nigeria. To achieve this aim, the researcher conducted a descriptive research with a quantitative approach to test the hypotheses. A proportional sampling procedure was used to select participants from sample public senior secondary schools in Kwara State, Nigeria. A questionnaire was used to gather data which were analysed with the use of quantitative statistics tools. The outcomes show that there is no significant difference between equal opportunity to learning, provision of basic needs, teacher preparation and management of students’ development in Nigeria. The researcher recommended that educational managers should provide equal access to schooling for all learners irrespective of their age so as to encourage students to empathise with others and develop the skill of critical thinking.

 

Keywords: Social justice, development, basic needs, management, Nigeria.
Iranian English as a foreign language teachers’ personality types and classroom management orientations: A correlational study
Authors: Heidari Laya , Parvaresh Shiva
Published: July 2021

Language learners’ achievement relies to a great extent on what goes on inside the classroom. The teacher personality types (PTs) and their classroom management orientations (CMOs) play a critical role. The present study intended to explore Iranian English as a foreign language (EFL) teachers’ major PTs and CMOs. Sixty EFL teachers were chosen through the convenience sampling method from foreign language institutes in Isfahan, Iran. They were asked to complete two questionnaires including the Myers–Briggs type indicator and the Behaviour and Instructional Management Scale. Descriptive analysis and Fisher’s exact test were conducted to answer the research questions. The results showed that the extroverted–sensing–thinking–judging (ESTJ) type was the most frequent PT and the interactionalist approach was the major CMO among Iranian EFL teachers teaching at language institutes. The results enhance the understanding of EFL teachers and directors of language institutes on the PT as one crucial factor related to EFL teachers’ behaviour management approaches.

 

Keywords: Classroom orientations, EFL, Iranian teachers, personality types, management orientations.
Evaluación comparativa entre sistemas estructurales tradicionales de concreto armado vs estructura con aislación sísmica en base para el Hospital Huari de categoría II-1 en Ancash
Authors:   , Márquez Antaurco Edwin , Velarde Arellano Omar Flavio
Published: July 2021

El Perú se encuentra en una zona altamente sísmica, ubicado dentro del cinturón de fuego del pacífico, que contempla aproximadamente el 85% de la actividad sísmica mundial. En nuestro país no existe un historial de eventos sísmicos por lo que, nuestra investigación consiste en la restructuración de una edificación hospitalaria categoría II, de 3 niveles con aislación sísmica en la base, sobre un suelo intermedio; en el distrito y provincia de Huari, Ancash. Se evaluará la viabilidad de construir edificaciones hospitalarias con el método tradicional con el fin de que la entidad pueda elegir la opción que mejor le convenga para su ejecución. Dado que, en nuestro país no existe mayor información cuantitativa y comparativa del comportamiento de hospitales con aislación o sin aislación sísmica para establecer u obligar el uso de aisladores en infraestructuras hospitalarias. Adicionalmente, existen antecedentes de hospitales que fueron diseñados y construidos con el actual código sísmico nacional y que luego de un evento sísmico siguieron operativos. El análisis comparativo, demuestra la capacidad del sistema tradicional que diseñado adecuadamente tendrá la capacidad de cumplir con las exigencias de eventos sísmicos severos, manteniéndose así operativo luego de un sismo; por lo tanto, el sistema aislado sería una solución costosa para un problema sencillo. Sin embargo, el actual código sísmico peruano exige el uso de aisladores sísmicos para toda edificación hospitalaria, especialmente en zonas sísmicas 4 y 3.
Variables determinantes que influyeron en las exportaciones de la subpartida nacional 03.04.42.00.00, filetes de trucha fresca o refrigerada, a Estados Unidos en el periodo 2014 – 2017
Authors:   , Galvan Inga Jimy Clayton , Huaman Juarez Erika Yessmin
Published: July 2021

La presente investigación, tiene como objetivo principal identificar las variables determinantes que influyeron en las exportaciones de la subpartida nacional 03.04.42.00.00, filetes de trucha fresca o refrigerada, a Estados Unidos en el periodo 2014 – 2017. Las variables para este estudio son Producción, Precio FOB y Tipo de Cambio. Inicialmente se explica las bases teóricas en comercio internacional y conceptuales sobre el producto elegido, sector, mercado de destino y definición de variables desarrollados en la investigación. Además, la metodología planteada es de enfoque cuantitativo, de alcance explicativo, de tipo longitudinal y de diseño de investigación no experimental. Asimismo, se realizó el desarrollo y análisis de resultados con data secundaria obtenida de las instituciones como: Banco Central de Reserva del Perú, Veritrade y Ministerio de la Producción. Posterior a la recolección de datos estas son procesadas en la herramienta estadística SPSS, utilizando el Modelo de Regresión Lineal Múltiple como se plantea en la tesis de Martínez & Pinedo (2019). En base a las preguntas de investigación se concluyó que las variables más relevantes que influyeron en las exportaciones de la subpartida nacional 03.04.42.00.00 a Estados Unidos son Precio FOB y Tipo de cambio.
Hotel sostenible para el turismo de Lunahuaná
Authors:   , Luna Malca Valerie Nicole
Published: July 2021

La presente investigación permite tener los criterios necesarios para el diseño de un Hotel Sostenible para el turismo de Lunahuana. Dado que Lunahuana, es una ciudad que vive del turismo de aventura, es fundamental tener en cuenta un proyecto basado en un diseño sostenible integral. Ello involucra tener en cuenta los ámbitos económicos, sociales y medioambientales en el diseño. La integración de estos tres pilares tiene un impacto importante en la recuperación de la inversión del Hotel debido a los ahorros que se generan en energía eléctrica, agua y sistemas de reciclaje y reutilización. En el diseño también se tiene que tener en cuenta los sistemas pasivos de ventilación, el reciclaje de aguas grises para reutilizarlas en baños y tanques de inodoro, tratamiento de aguas negras para reducir su huella ecológica, y autoabastecimiento de abundante agua limpia del lugar a través de pozos de agua en el subsuelo. Dado que este sistema es integral, no sólo se basa en que el edificio reduzca su impacto medioambiental, sino que también tenga en cuenta el ámbito social y se considere a los empleados como colaboradores fundamentales para el funcionamiento del hotel. Es por ello que se promueve el desarrollo interno de colaboradores mediante los programas de formación teórica y práctica (usando las instalaciones del hotel) sobre turismo a desarrollar en Lunahuana, hotelería, certificación de guías de canotaje, principios de sostenibilidad y otros que puedan dar soluciones a futuras necesidades del hotel para que permitan su evolución.
El factor de atribución aplicable a la responsabilidad civil del empleador por accidentes de trabajo, en el marco del régimen de la seguridad y salud en el trabajo
Authors:   , Indigoyen Vegas Brandon Martín
Published: July 2021

La Seguridad y Salud en el Trabajo es una disciplina cuyo desarrollo normativo en el Perú inició hace menos de dos décadas. Pese a ello, en la actualidad representa uno de los temas más relevantes que los empleadores consideran al momento de organizar su actividad empresarial. Esto se debe a que la Ley 29783 les establece obligaciones a cumplir frente a sus trabajadores, para garantizar la protección adecuada. Asimismo, dicha norma alberga en su artículo 53 la disposición sobre la procedencia de la responsabilidad civil del empleador ante el incumplimiento del deber de seguridad. Su contenido es insuficiente en cuanto a la referencia del factor de atribución aplicable. Por ello, los pronunciamientos judiciales sobre indemnización por accidentes de trabajo se han caracterizado por no ser uniformes en cuanto a dicho criterio. Con el objeto de finalizar esta incertidumbre, a partir del 2017 los jueces Supremos han utilizado instituciones procesales para manifestar que la interpretación correcta de la norma es, que el empleador resulta responsable por cualquier evento dañoso del trabajador. Ello significó el establecimiento oficial del modelo atributivo objetivo, pese a que la normativa del Código Civil dispone que en los casos de responsabilidad por inejecución de obligaciones aplica el subjetivo. Al respecto, la presente investigación pretende identificar el factor de atribución idóneo para el caso de la responsabilidad civil del empleador por accidentes de trabajo, a la luz del régimen de Seguridad y Salud en el Trabajo.
Reforzamiento estructural para mejorar el nivel de desempeño del Hospital Santa Rosa, implementando el diseño apropiado de amortiguadores fluido viscoso
Authors:   , Cáceres Pérez Gladys , Pichihua Alata Natali Sheyla
Published: July 2021

Movimientos telúricos ocurridos en distintas partes del mundo han originado considerables pérdidas económicas y humanas. Es importante mencionar también que, durante estos últimos años, en los principales países desarrollados tales como Taiwán, Japón y Estados Unidos se ha venido implementando nuevas tecnologías para mejorar el desempeño en las estructuras frente a acciones sísmicas como son los sistemas de protección sísmica. Uno de estos avances son los disipadores de energía fluido viscoso cuya implementación muestra resultados óptimos para el incremento del amortiguamiento y reducción de desplazamientos laterales. Para cumplir con el objetivo principal de la investigación, se evaluó el diseño estructural del bloque A2 del Hospital Santa Rosa, una edificación esencial ubicada en el distrito de Pueblo Libre, Lima. Se realizó el modelo y análisis sísmico de la estructura existente, cuyos resultados muestras derivas ( ∆=5.98%o ) mayores al límite establecido en la Norma E.030 ( ∆=5%o ). Además, presenta efectos de columna corta que originan el agrietamiento de las unidades de albañilería, hecho que los hace vulnerables. Frente a los resultados presentados se realiza una nueva modelación y análisis sísmico del bloque en estudio, considerando como reforzamiento los disipadores de fluido viscoso. Para ello, se analiza nuevamente la estructura a través de un análisis tiempo historia tomando distintas consideraciones como el sismo de diseño y las propiedades de los disipadores fluido viscoso en donde las derivas máximas se han reducido de 5.98%o a 3.30 %o. Adicionalmente, se analiza la estructura con una técnica de reforzamiento tradicional como son las placas de concreto armado, con el objetivo de evaluar la viabilidad de la primera propuesta. Los resultados indican que, con un reforzamiento de muros de concreto se obtiene una deriva de ∆=3.36%o y ∆=3.30%o empleando los disipadores viscosos, lo cual demuestra la viabilidad de la propuesta en respuestas estructurales.
Diseño y desarrollo de un modelo de gestión logística para aumentar la productividad en las Mypes productoras de granada en la Región de Santiago – ICA
Authors:   , Ayala Rodrigo Andrés , Lozano Castillo Diego Jesús
Published: July 2021

En la actualidad, las MYPES del sector agroindustrial productoras de granada presentan un alto nivel de competitividad debido a que los clientes se vuelven más exigentes con el pasar del tiempo. Las empresas productoras de dicho sector deben tener la capacidad para poder atender la alta demanda en el mercado. Debido a esta coyuntura, es relevante implementar nuevos métodos o herramientas que mejoren los procesos a fin de que se tenga un impacto positivo en el sector. El objetivo principal del proyecto es diseñar y desarrollar un modelo de gestión logística a través de las herramientas de gestión de procesos, logística integral y sus buenas prácticas enfocados a aumentar la productividad, reducir costos, mejorar la competitividad e incrementar la satisfacción del cliente. Para el desarrollo del proyecto se realiza una investigación previa sobre la logística integral, las buenas prácticas que se aplican en el sector y las herramientas de procesos que pueden ser aplicables a las MYPES en todo el mundo. Posterior a ello, se analiza la situación actual del sector respecto a su entorno logístico. Luego, se incluye la propuesta para el diseño y desarrollo del modelo de gestión logística en base a las metodologías investigadas enfocándose en cuatro subprocesos: planificación de compras, selección de proveedores, gestión de almacén y distribución. Finalmente, el modelo propuesto es validado con el juicio de expertos: tres usuarios de las empresas del sector agroindustrial y cinco expertos en la aplicación logística, a través de cinco criterios establecidos.
La relación entre el uso de las tecnologías digitales y el desarrollo de las exportaciones de las Mypes participantes de la feria “Perú Moda” durante el 2016 al 2018
Authors:   , Jacinto Torres Laura Jackeline , Manay Tafur Bridgitte Alessandra
Published: July 2021

Las exportaciones del sector textil han evidenciado un crecimiento desde el año 2016, siendo un 17% mayor entre el periodo de 2016 a 2018. Se explica que el alza se debe a la evolución de la industria, favoreciendo al desarrollo de las marcas. El objetivo de incrementar la productividad empresarial del sector debe estar impulsado por el desarrollo de tecnologías de la información, es importante que las empresas consideren las tecnologías digitales como una oportunidad para la transformación hacia un país competitivo. Además, los beneficios potenciales de su implementación pueden ser mayores para las mypes, al reducir barreras para la internacionalización. En términos de búsqueda de oportunidades de internacionalización, la vitrina más importante en el país para la exposición de los mejores productos de la industria peruana textil al mundo es la feria internacional “Perú Moda”. En ese sentido, el objetivo principal de la investigación es determinar la relación entre el uso de las tecnologías digitales y el desarrollo de las exportaciones de las mypes del sector textil participantes de “Perú Moda”, en el periodo 2016 al 2018. Se utilizó una metodología mixta y un diseño descriptivo correlacional. Para la fase cualitativa se aplicaron entrevistas a expertos y para la fase cuantitativa se realizaron encuestas a 18 mypes exportadoras del sector, participantes en la feria mencionada. Se concluyó que sí existe una relación positiva entre las variables mencionadas. Adicionalmente, se pudo establecer las relaciones entre sus dimensiones, de esa manera se obtuvo un mayor alcance sobre el fenómeno estudiado.
Ficção científica e imagens de eufemização: uma relação entre Arte e Imaginário através do filme Solaris, de Andrei Tarkovski
Authors: Preis Moraes Heloisa Juncklaus , Bressan Luiza Liene , Fernandes Ana Caroline Voltolini
Published: July 2021

Este artigo busca relacionar a obra Solaris (1972) com a teoria do Imaginário postulada por Durand (1982; 1985; 1993; 1996; 2002; 2014), para então apresentar reflexões sobre como, através de um reservatório geral de Imagens com-partilhadas, relacionamo-nos com o que consideramos diferente, intangível, ficção, realidade e como a Arte, auxilia-nos no entrelaçamento desses campos. Através deste estudo, buscamos também evidenciar que narrativas sobre extramundos e o deslocamento de povos a outros ambientes não só são muito comuns, mas sobretudo vitais à condição humana e social.
Regime de tempo no afrofuturismo a partir dos quadrinhos do Pantera Negra
Authors: Pinheiro Micaella Schmitz
Published: July 2021

O presente artigo buscou tratar da questão temporal no afrofuturismo, por meio dos quadrinhos do Pantera Negra, escrito por Stan Lee e desenhado por Jack Kirby, inicialmente em 1966, publicado pela Marvel Comics. O afrofuturismo é um movimento que “desliza” entre passado, presente e futuro. Sendo assim, pensando nesse regime de tempo, foi utilizado as ideias de Cronos e Aion, de Gilles Deleuze (2015). Sobre afrofuturismo, foram utilizados como pressupostos teóricos autores como Kênia Freitas (2020), Alondra Nelson (2002), Kodwo Eshun (2003) e Mark Dery (1993, 2018). Na primeira parte, o artigo introduz o conceito de afrofuturismo e apresenta o personagem Pantera Negra. O segundo momento se ocupa em realizar uma breve introdução da História americana nos anos de 1960 a partir dos quadrinhos. Em seguida, são apresentados os estudos sobre afrofuturismo e a questão do regime de tempo aionico e cronológico. Por fim, são feitas as considerações finais. Revelou-se, então, que o afrofuturismo não permanecer parado ou em um único regime de tempo, seja ele aion ou crônos.
O cyberpunk ocidental e oriental: as distâncias textuais entre Blade Runner e Tetsuo
Authors: Lucas Ricardo Jorge De Lucena , Reis Lucas Bernardo
Published: July 2021

O presente artigo busca estudar as diferenciações entre o cyberpunk ocidental e oriental no cinema e nas artes visuais. Para isso, procuramos relações entre a história em quadrinhos “The Long Tomorrow” e o filme Blade Runner, e a arte ero-guro e o filme Tetsuo. Buscamos responder quais aspectos tornam essas obras particulares e distintas entre si. Para tal, revisitamos alguns preceitos canônicos do cyberpunk e de suas particularidades nas culturas norteamericana e japonesa a partir das influências transtextuais de algumas obras que lhes são anteriores. Os resultados parciais demonstraram que há cyberpunks distintos nesses países, mas que sofrem influências transtextuais de produções anteriores, e criam novos caminhos a partir dessa relação.
A ficção científica de acordo com os Futurians
Authors: Seiffert Andreya Susane
Published: July 2021

The Futurian Society of New York, ou simplesmente The Futurians, foi um grupo de fãs e posteriormente escritores e editores de ficção científica, que existiu de 1938 a 1945. O período é geralmente lembrado pela atuação do editor John Cambpell Jr. à frente da Astounding Science Fiction. A revista era, de fato, a principal pulp à época e moldou muito do que se entende por ficção científica até hoje. Os Futurians eram, de certa forma, uma oposição a Campbell e seu projeto. Três membros do grupo viraram editores também e foram responsáveis por seis revistas pulps diferentes, em que foram publicadas dezenas de histórias com autoria dos Futurians. Esse artigo analisa parte desse material e procura fazer um pequeno panorama de como os Futurians pensaram e praticaram a ficção científica no início da década de 1940.
A cultura do medo e o desviante no Jornal do Almoço: ponderações sobre os espectadores de Rio Grande (RS)
Authors: Gonçalves Carolina Borges , Negrini Michele
Published: July 2021

O presente trabalho tem como objetivo analisar o papel do Jornal do Almoço na construção da cultura do medo e a percepção dos espectadores de Rio Grande sobre a imagem do desviante adotada pelo veículo. Para a realização da pesquisa, foram realizadas entrevistas semiestruturadas, em amostragem aleatória entre dez espectadores do Jornal do Almoço, residentes em Rio Grande. Esta pesquisa debruçou-se, principalmente, sobre as ideias de Martín-Barbero (1998; 2004), Becker (1963), Pastana (2005) e outros teóricos relevantes para traçar um sentido de estruturação dos conceitos-chave.