bluuebunny/crossref_metadata_2025 huggingface dataset:
The efficacy of gemcitabine combined with immunotherapy in a patient with metastatic metaplastic squamous cell carcinoma of the breast
Authors: Liu Qi , Ji Kailun , Li Longlong , Wang Xiaolin , Sun Zheng , Xu Chunhong
Published: May 2023

Objectives

Metaplastic squamous cell carcinoma of the breast is a rare form of breast carcinoma for which there is currently no standard treatment.

Case presentation

We report the case of a 33-year-old woman with enlargement in her left breast who was diagnosed with metaplastic squamous cell carcinoma by core needle biopsy. The patient underwent a modified radical mastectomy. The immunohistochemistry showed it was a triple-negative breast cancer: progesterone receptor-negative (PR-), estrogen receptor-negative (ER-), and human epidermal growth factor receptor 2 -negative (HER2-). The patient received 6 cycles of adjuvant chemotherapy with nab-paclitaxel and carboplatin. One year later, she developed lung metastases from squamous cell carcinoma. Immunohistochemical results remained triple-negative (ER-, PR- and HER2-). The patient then received gemcitabine combined with immunotherapy. The patient has been assessed as stable disease so far.

Conclusions

Immunotherapy combined with gemcitabine showed good efficacy in the treatment of metastatic metaplastic squamous cell carcinoma of the breast after nab-paclitaxel combined with platinum-based therapy.
Development of Three-Tier Diagnostic Test Instrument Based on Multi Representation Website Assistant to Identify Digestive System Misconceptions
Authors: Arini Winda , Amalia Andin Vita
Published: May 2023

The COVID-19 pandemic has had a major impact on all aspects of human life, especially in the education aspect. Then, an online learning policy, as well as an online assessment, has been implemented as an effort to prevent the spread of the virus. Aspects of knowledge are assessed based on students' understanding of a concept obtained through teaching and learning activities. This study aims to develop a three-tier diagnostic test instrument that has been tested for feasibility, validity, and reliability. The method used in this research was Research and Development using a 4D model consisting of define, design, development, and disseminate stages. The research subjects were students of class VIII and IX of MTs Hidayatus Shibyan. The data collection was carried out using the observation method, validation sheets, test questions, and student response questionnaires. The validation sheet and classical theory analysis were used to determine the level of validity and reliability of a product. The results of material expert validation data obtained an average score of 24.8 out of 28 s and media experts obtained an average score of 20 out of 24 categorized in the very feasible criteria. The reliability analysis at the trial stage obtained 0.635 and the implementation test stage was 0.795 which indicates as reliable. The percentage of students' misconception profile on the material of the human digestive system at the trial stage was 33.6% then at the implementation test stage, the percentage was 41.7% categorized in moderate criteria. Students mostly responded very agree in the questionnaire with the percentage of 45.4% at the trial stage, and 54.2% at the implementation test stage.
ChatGPT, ¿el nuevo mejor amigo del profesional de la salud?
Authors: Flórez Vargas Oscar
Published: May 2023

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Perfil socio familiar y cognición social de un grupo de actores de acoso escolar en una institución educativa del departamento del Quindío - Colombia
Authors: Gonzales Portillo Juan , Arbeláez Caro Joan Sebastián , Gutiérrez Camacho Stephania , Ortega Cubillos Sandra Lorena
Published: May 2023

Objetivo: Comparar los perfiles de dinámica familiar y de cognición social en los diferentes niveles de riesgo (víctimas y acosadores) acoso escolar en adolescentes del departamento del Quindío. Materiales y Métodos: La investigación siguió un diseño cuantitativo con un enfoque descriptivo de alcance comparativo. Se contó con la participación de 50 adolescentes de una institución educativa de la ciudad de Armenia, Quindío. Resultados: Los principales hallazgos de este estudio fueron en primer lugar que no hay diferencias en dinámica familiar o teoría de la mente entre las víctimas (F(1) = 0,51; p = 0.60), además existen diferencias en la teoría de la mente de los intimidadores (F(1) = 5.16; p = 0.00). Conclusiones: Tanto la dinámica familiar como la teoría de la mente tiene relación con en el riesgo de ser víctima o intimidador de acoso escolar.
Is the neighbour’s grass (really) greener?
Authors: Maffei Marco , Spanó Rosanna
Published: May 2023

Despite increasing globalization and an uncertain environment, operationalization of a global ERM with common principles remains limited. Using a cluster analysis, the state of ERM implementation in 13 European countries is presented in this article to show commonalities as well as cultural differences. ERM development needs to be framed within a cultural and contextual framework, with organizations taking individual characteristics into account in order to use ERM as a strategic business partner.
Chancen- und risikobewusste Unternehmenssteuerung im Dauerkrisenmodus
Authors: Stein Volker , Wiedemann Arnd
Published: May 2023

Die Unternehmenssteuerung ist in Zeiten immer schneller aufeinanderfolgender Krisenereignisse nicht einfach: Das Geschäftsmodell muss kontinuierlich an sich ändernde Rahmenbedingungen angepasst werden. Die risikobewusste Geschäftsleitung soll die Kontrolle behalten, gleichzeitig nachhaltig agieren und ihr Unternehmen strategisch resilient aufstellen. Die Anforderungen an das persönliche Entscheidungsverhalten der Geschäftsleitung steigen immens. Dieser Artikel stellt dar, wie das Controlling die Geschäftsleitung dabei effektiv unterstützen kann.
Risikoorientierte Steuerung globaler Lieferketten
Authors: Stietz Michael , Lehtinen Lauri
Published: May 2023

Die gegenwärtigen Unsicherheiten und Volatilitäten der Welt stellen alle Marktteilnehmer vor ganz unterschiedliche Herausforderungen. Insbesondere die immer kurzfristiger eintretenden Ereignisse wie unterbrochene Lieferketten, Materialverknappungen und Preisschwankungen stellen dabei schwer kalkulierbare unternehmerische Risiken dar. Der Einkaufs- und Supply-Chain-Funktion kommt hierbei eine besondere Verantwortung zu. Aufgrund größtenteils ausgelagerter Wertschöpfungsketten und der damit verbundenen Vielzahl an global aktiven Zulieferern gilt es, die Lieferketten transparent zu gestalten und gezielt abzusichern. Das Einkauf- und Supply-Chain-Management des Körber-Konzerns baut hier auf eine unternehmensweit einheitliche Strategie. Der Fokus liegt dabei auf vier Kernbereichen, welche unter anderem die Voraussetzungen schaffen, Risiken frühzeitig zu erkennen und faktenbasierte Entscheidungen im Sinne des Kunden und des Unternehmens zu treffen.
Eine Aligned Assurance als Grundlage risikoorientierter Unternehmensführung
Authors: Schiwietz Michael , Mudrack Chris
Published: May 2023

In einer Ära der digitalen Disruption stellen sich alle Funktionen eines Unternehmens neu auf. Das gilt auch für das Controlling. Finanzexperten erwerben neue Fähigkeiten uGrundlage einer effektiven und risikobewussten Unternehmensführung sind wirksame interne Kontrollverfahren. Diese umfassen neben den operativen Kontrollen auf Prozessebene auch die internen Überwachungsverfahren der zweiten Kontrollebene wie Risikomanagement, Datenschutz, Notfallmanagement und Compliance sowie die Interne Revision. Trotz unterschiedlicher Aufgabenbereiche und des Paradigmas der Unabhängigkeit ist deren Zusammenspiel entscheidend im Sinne von Transparenz und Sicherheit wie auch im Hinblick auf die Effizienz der Kontrollverfahren. Doch wie kann man dies erreichen und was sind die besonderen Herausforderungen und Grenzen? Was ist erforderlich, um die internen Kontrollverfahren unter dem Dach einer Aligned Assurance zu integrieren? Und wie können Effizienzen zwischen den Kontroll- und Überwachungsfunktionen gehoben werden? Ziel dieses Artikels ist, einen praxisorientierten Einblick in die Chancen und Herausforderungen einer solchen Aligned Assurance zu geben.nd nehmen eine aktive Rolle als Business Partner ein: Sie werden zu Co-Piloten des Managements mit strategischem Horizont. Mit innovativen Ansätzen erzielt die Funktion eine höhere Produktivität in ihren etablierten Aufgaben ebenso wie in den vielfältigen neuen Einsatzbereichen. In dem Beitrag wird beschrieben, wie CFOs durch die Transformation des Controllings für die digitale Zukunft attraktive Chancen heben können.
Der Aufbau des Bibliothekssystems im Königreich Ungarn und im Großfürstentum Siebenbürgen im neuen Reichsrahmen (1686/1690–1815)
Authors: Monok István
Published: May 2023

The Kingdom of Hungary and the Grand Duchy of Transylvania were integrated into the Holy Roman Empire during the 18th century and accordingly, this shaped its institutional system. There were many obstacles to the creation of the “Empire-conform” library system. After 150 years of Ottoman rule, the country had to be rebuilt physically. It also had to build new Church and state centers, while the wars against the Turks continued, until the end of the 18th century. Public life was burdened by the anti-Protestantism of the Habsburg emperors, since, at the end of the 17th century, two-thirds of the country's population were Protestants. By the end of the 18th century this proportion had dropped to one-third. (At the same time, the Protestant institutional system was also dismantled.) In other words, the library system was built twice in a century and a half and demolished again to create a new system. In summary, however, it can be concluded that a library system conforming to that of the Habsburg Empire was established in the Kingdom of Hungary and Transylvania during the century following the end of the Ottoman rule.
Gambling advertising on Twitter before, during and after the initial Australian COVID-19 lockdown
Authors: Russell Alex M.T. , Hing Nerilee , Bryden Gabrielle Maria , Thorne Hannah , Rockloff Matthew J , Browne Matthew
Published: May 2023

Background and aims

COVID-19 resulted in the shutdown of almost all sporting competitions and most venue-based gambling opportunities. This study examines how wagering operators in Australia responded, by examining their advertising.

Methods

The study compared Twitter activity during lockdown (March–May 2020) to the previous year for four major wagering operators.

Results

Wagering operators continued to advertise in earnest, changing their marketing mix to include more race betting content, as races continued to operate. Most also promoted the only sports available, such as table tennis or esports. When sports resumed, sports betting advertising quickly returned to normal, or exceeded previous levels. Despite more content being available in the case of two operators, engagement from the public during lockdown was similar to or lower than previously.

Discussion and conclusion

These results indicate that gambling operators can adjust quickly to major changes. These shifts appear to have been successful, with the increase in race betting during this period almost completely offsetting the decreases in sports betting. This is likely due in part to changes in advertising, which have been associated with increased betting activity, particularly amongst vulnerable people. Responsible gambling messages were virtually non-existent on Twitter, which contrasts with mandatory requirements in other media. The study highlights that regulatory changes to advertising, e.g., banning some content, are likely to be met with substitution of content, rather than reduction, unless advertising volume is also capped. The study also highlights the adaptive capacity of the gambling industry in the face of major disruption to supply.
Szkizofréniával társuló Turner-szindróma
Authors: Róka Eszter Sarolta , Bálint Sára , Tombor László
Published: May 2023

A szerzők egy mozaik karyotypusú, Turner-szindrómában szenvedő fiatal nő esetét
ismertetik, akit komorbid szkizofrénia miatt vettek komplex nappali kórházi
pszichiátriai kezelésbe. A beteg távoli pszichiátriai anamnézisében enyhe
mentális retardáció és depressziós tünetek kapcsán egy alkalommal ambuláns
ellátás szerepelt. Szomatikus anamnézisében ovariumelégtelenség és autoimmun
pajzsmirigy-alulműködés miatti szubsztitúciós kezelések, egy alkalommal, évekkel
korábban baleset kapcsán elszenvedett politrauma szerepelt. Első megjelenésekor
a Turner-szindrómára jellemző fizikális jegyek mellett évek óta, krónikusan
fennálló fonemikus hallucinációkat, paranoid téveszmét és szekunder
indulatkezelési és társas beilleszkedési nehézségeket észleltünk. Agyi képalkotó
vizsgálata globális atrophiát, mellékleletként kis méretű frontalis meningeomát
igazolt. Neuropszichológiai vizsgálata enyhe mentális retardációt, a verbális
készségek irányában eltolt, kiegyensúlyozatlan intelligenciaprofilt talált.
Gyógyszeres kezelés mellett társas készségfejlesztésben vett részt, ambuláns
gondozásba vettük. Tíz hónapos utánkövetése során az antipszichotikum-kezelés
mellett jelentős terápiás válasz áll fenn, de teljes remisszió nem következett
be. Esetünket a rendelkezésre álló irodalmi adatok tükrében, azok összegzésével
együtt mutatjuk be. Orv Hetil. 2023; 164(19): 753–757.
Modulation of photoluminescence and optical limiting properties of spray-coated tin oxide thin film through Eu doping
Authors: Hind P. Asha , Patil Parutagouda Shankaragouda , Gummagol Neelamma B. , Goutam U. K. , Rajendra B. V.
Published: May 2023

This work reports the effect of Eu doping on the structural, morphological, linear, and nonlinear optical properties of Sn1−xEuxO2 (x = 0 to 0.10) thin films prepared using spray pyrolysis. The films crystallized in tetragonal structure and the crystallite size reduced due to Eu incorporation. The film morphology consisted of evenly distributed dense grains with trapezohedron or bipyramidal shape. The Eu doping reduced the transmittance and energy band gap of the deposited films. The photoluminescence (PL) emission spectra comprised the contributions from both the transitions related to the Eu3+ ions and the defects, such as oxygen vacancies and tin interstitials in the host lattice. The films also showed a near white light emission due to the different defect-related PL emissions. The Z-scan technique revealed the third-order optical nonlinearity shown by the films. Amongst the doped films, Sn0.92Eu0.08O2 films exhibited least optical limiting threshold.

Graphical abstract
Harmony in Diversity: An Exploration of Peaceful Coexistence between Muslim and Christian Communities in Aceh, Indonesia
Authors: Mawardi Mawardi , Hasni Hasni , Miharja Deni , Busro Busro
Published: May 2023

In this age of globalization and social complexity, the peaceful coexistence of Muslim and Christian Communities in Pertabas Village, Simpang Kanan District, Aceh Singkil District is an important research topic. This study investigates the factors influencing peaceful coexistence between Muslim and Christian communities and identifies effective strategies and approaches to promote religious tolerance and harmony in Pertabas Village. The research method is a qualitative case study involving interviews, observation, and documentation. Significant findings indicate that cooperation in education, economy, and social affairs are concrete manifestations of civil coexistence between Muslim and Christian communities in Pertabas Village. In support of peaceful coexistence between Muslim and Christian communities are the role of the government, clans' similarities, and economic ties. This study contributes to how cooperation and mutual respect between religious groups can form harmonious social and religious relations by encouraging additional research on the factors that influence the establishment of peaceful coexistence in a society with multiple religions. Further research can be conducted to deepen the understanding of the factors that influence the peaceful coexistence of Muslims and Christians in other areas.
URGENSI PENYESUAIAN METODE PEMBELAJARAN DI ERA DISRUPTIVE TECHNOLOGY
Authors: DJAENUDIN ASEP
Published: May 2023

Seorang guru profesional di era milenial atau Generasi Y, tidak cukup hanya menguasai empat kompetensi guru, yakni kompetensi pedagogik, kepribadian, profesional, dan sosial. Perkembangan teknologi informasi yang begitu pesat, mengharuskan seorang guru menjadi bagian dari kemajuan teknologi itu sendiri. Jika mereka lahir pada Generasi X atau genereasi tradisional, maka mereka harus mengejar ketertinggalan itu dengan belajar berbagai aplikasi teknologi kekinian. Jika tidak, maka mereka hanya akan menjadi guru yang pandai menceritakan masa lalu belaka, padahal masa lalu sudah lama ditinggalkan. Mendikbud, Prof. Muhajir Effendi menambahkan guru profesional di zaman milenial harus memenuhi kompetensi inti (expertise), tanggung jawab social (responsibility), dan kesejawatan (esprit de corps). Di sinilah urgensinya guru menyesuaikan metode pembelajaran di era disruptive technology.A professional teacher in the millennial era or Generation Y, it is not enough to only master the four teacher competencies, namely pedagogic, personality, professional, and social competencies. The development of information technology is so rapid, requires a teacher to be part of the advancement of technology itself. If they were born in Generation X or the traditional generation,then they must catch up by learning various applications of contemporary technology. If not, then they will only become teachers who are good at telling the past, even though the past has long been abandoned. Minister of Education, Prof. Muhajir Effendi added that professional teachers in the millennial era must meet core competencies (expertise), social responsibility (responsibility), and peer relations (esprit de corps). This is where the urgency for teachers to adapt learning methods in the era of disruptive technology.
WAHANA PENGEMBANGAN DIRI PUSTAKAWAN UNTUK MENUNJANG KEGIATAN PERPUSTAKAAN
Authors: Suyatno Suyatno
Published: May 2023

Beberapa wahana atau kegiatan yang dapat dilakukan oleh pustakawan antara lain melalui kegiatan seminar, kegiatan pameran, perpustakaan keliling, pendidikan dan pelatihan; studi banding dan lain sebagainya. Kegiatan tersebut ada yang rutin dilakukan ada pula yang insidental. Kegiatan yang sering dilakukan di antaranya adalah kegiatan seminar dan pameran serta kegiatan Forum Pustakawan. Dalam kegiatan forum pustakawan biasanya diadakan beberapa agenda seperti seminar untuk karya tulis ilmiah. Setelah acara selesai biasa akan diadakan kunjungan atau field trip ke beberapa tempat yang berhubungan dengan perpustakaan di sekitar acara tersebut diselenggarakan.
The perspective of allergy and immunology specialists on the innovations of metaverse: A survey study
Authors: Cerci Pamir , Kendirlinan Resat , Tunakan Dalgıç Ceyda
Published: May 2023

Background: New technologies have resulted in dramatic shifts in the field of medicine, and it stands to reason that metaverse will also affect the practice of allergy and immunology. This study aimed to determine the attitudes of allergists and raise awareness about metaverse applications in allergy and immunology.
Methods: A nationwide survey-based study was conducted in Turkey. First, a 28-item questionnaire was developed and sent to Turkish allergists. After completing the first questionnaire, the participants were asked to watch a 5-min informative video about the metaverse. Lastly, a second survey was conducted to evaluate the changes in the views of the participants.
Results: A total of 148 allergy doctors in Turkey participated in the survey. After watching a video containing updated information about the metaverse, there was a significant increase in the importance that participants attributed to the use of virtual reality and augmented reality applications in the field of immunology and allergy (P < 0.05). Additionally, there was a significant increase in the percentage of participants who thought that Metaverse applications could be integrated into the existing system and said that this possibility excited them (P < 0.05). There was also a significant increase in the percentage of participants who thought this innovative technology could be helpful in patient examination, student and physician education, allergy testing, and patient education (P < 0.05).
Conclusions: Our results demonstrate that providing information to professionals working in the field can positively influence physicians’ views on the potential of the metaverse, which is a valuable tool in the field of immunology and allergy.
Effect of nitrogen and boron treatments on harvest index and nitrogen use efficiency in sugar beet
Authors: BİLİR Bedriye , SALTALI Kadir
Published: May 2023

The aim of this study is to examine the effect of different doses of nitrogen (N) and boron (B) treatment on sugar harvest index (SHI), nitrogen harvest index (NHI), and nitrogen use efficiency (NUE) parameters and to determine the economic optimum nitrogen rates (EONR) in sugar beet. The experiment was set up in a randomized block factorial design with three replications. Five doses of N (0, 90, 180, 270, and 360 kg N ha-1) and four doses of B (0, 2, 4, and 6 kg B ha-1) were applied in the study. According to the results of the research, the SHI decreased statistically significantly with the increase of dose of the N treatment, but the NHI was not affected by the N treatment. Physiological efficiency of nitrogen in taproot dry matter yield (NPETDMY) and physiological efficiency of nitrogen in sugar yield (NPESY) decreased statistically significantly (p<0.01) with the increase in the dose of N treatment. A similar case was observed in the parameters of nitrogen agronomic efficiency (NAgE) and nitrogen uptake efficiency (NUpE). The increase in boron treatment doses statistically significantly (p<0.01) increased the NAgE in the first year. The EONR, calculated using the quadratic model, was found to be 240 kg N ha-1 on average of two years. As a result, the nitrogen use potential decreased with the increase of N doses applied to sugar beet. The use of EONR can be recommended for optimum yield and quality in the region.
Phytoplankton of the Ukrainian Polissia River Ecosystems
Authors: Shelyuk Yu. S.
Published: May 2023

The peculiarities of the phytoplankton structures of the main Polissia rivers - Pripyat and Teteriv - have been established. The main trends in the transformation of the
autotrophic network of Polissia rivers have been uncovered. In total, between 2003-2020, 621
species of algae were identified, represented by 660 intraspecific taxa belonging to 217 genera, 81
families, 35 orders, 14 classes, and 8 divisions. Fifty-one specific and intraspecific taxa were found
to be new to the Ukrainian Polissia. The appearance of species new to the region is largely due to
changes in the hydrological and hydrochemical regimes of watercourses associated with regulation,
land reclamation, anthropogenic pollution, and climate changes. The thoroughness and
purposefulness of this study by covering a many territories and watercourses including various
physical and geographical regions in the Ukrainian Polissia. The main abiotic parameters that cause
changes in the structural indicators of phytoplankton in the studied watercourses have been
determined. It was established that the relationship between algofloristic indicators and
environmental factors is largely determined by the content of biogens. A strong inverse connection
was found between the number of algae species and water color, as well as a weak correlation with
temperature. A bioindicative analysis of the species composition of phytoplankton of river
ecosystems was carried out, and the quality of their waters was assessed. In the watercourses of the
region, the predominance of saprobity indicators, which correspond to the III class of water quality,
was determined.
Design and Evaluation of a Photobioreactor for Carbo Capture and Mitigation Using Microalgae
Authors: Adhithya S. , Thomas J. , Aravinthkumar V.
Published: May 2023

CO2 is the main contributor to the global warming crisis. Among various existing carbon-capture technologies, microalgae based biological carbon-capture is a promising and energy efficient technology. Microalgae are gaining attention for bridging carbon mitigation and bioenergy production. Its biomass is considered as a CO2-neutral substitute for fossil fuel resulting from the net transfer of atmospheric CO2 into biomass. This study presents an assessment of carbon dioxide assimilation and subsequent biomass generation in Scenedesmus species of green algae. The experimental setup includes a 1% supply of CO2 using a photobioreactor compared with a column with no CO2 output. Results revealed significant growth of microalgae at elevated CO2 (1%) compared to zero CO2 supplementation. The strategy developed here could be a suitable alternative in a carbon intensive industry towards carbon mitigation and sequestration. Additionally, we observed a higher synthesis of protein in Scenedesmus grown in an enriched carbon environment, with a concentration of 164.34 μg/mL. These proteins can also be harvested to formulate a protein enriched nutraceutical.
The Effect of Phycocyanin on the Microbial, Antioxidant, and Nutritional Properties of Iranian Cheese
Authors: Davoodi M. S. , Amirali S. A. , Nowruzi Bahareh , Golestan L.
Published: May 2023

The prevailing conditions for the production, storage, and sale of traditional cheese seem to increase the probability of microbial contamination. Escherichia coli and Staphylococcus aureus are among the bacteria that may cause major complications such as diarrhea, hemolytic
uremic syndrome (HUS), food poisoning, and gastrointestinal infections in cheese consumers. The use of food coloring to enhance the microbial load of food products, as an innovative and cost-effective biological control, is one of the most efficient methods in managing the production, storage, and quality of food. Extracted naturally from Spirulina sp., phycocyanin is widely used in various pharmaceutical, food, cosmetic and health industries. This is the first attempt to investigate the possible effect of adding phycocyanin pigment into traditional cheese, in order to improve-the nutritional value, quality and shelf life of traditional cheese. This study collected five different types of traditional cheese from different localities in Iran. The researcher immersed the samples in concentrations of 1%, 1.5% and 2% phycocyanin pigment. After identifying the existing bacteria, the possible effect of the pigment on the total number of bacteria, as well as the number of E. coli and S. aureus, were evaluated within 15 days. The study used Ferric ion reducing antioxidant power (FRAP), 2,2-diphenyl-1-picrylhydrazyl (DPPH), and nitric oxide trapping with the sensory testing in order to determine the amount of protein, fat, ash, moisture, and antioxidant properties. Statistical analyses showed that, compared to the control group, the concentration of phycocyanin rose when the number of bacteria decreased and antioxidant activity increased in all types of cheese.
The results revealed a significant increase in the amount of protein (93%), fat (80%), moisture (100%), and ash (67%). In addition, the highest consumer satisfaction was observed on day 1 and days 7 and 15; cheese with a concentrations of 1.5% and 2% pigments were preferred.
Dowel behaviour of rebars under combined axial and shear actions
Authors: Preti M. , Paderno A. , Cominoli L.
Published: May 2023

The resource of shear resistance provided by the dowel mechanism of rebar in reinforced concrete (RC) structures can significantly affected by the simultaneous presence of axial loading. This occurs for example of plastic hinges of seismic resistant structures. In fact, at load reversals in cycles of large deformation demand, rebars are subjected to combined axial and shear loading, particularly in those section where the shear transfer via aggregate interlocking is jeopardized by the opening of the crack throughout the entire section depth. Thus, a reliable assessment of the shear capacity of dowels under combined shear and axial load is required to check the element shear resistance. The paper describes the results of a specific experimental campaign on rebar dowels subjected to shear loading in presence of different levels of axial load. Both smooth and ribbed rebar dowels were investigated. A marked reduction of the dowel shear strength and stiffness in presence of increasing axial loading was experimentally observed, only partially compensated by the kinking effect. The latter was found to characterize the entire resource of dowel capacity when the axial load was close to the rebar yielding strength. The paper proposes an analytical model, adapted from others available in the literature, to predict the dowel shear-displacement response accounting for the applied axial load. The model helps the understanding of the dowel response, is suitable for hand calculation and can easily assist the dowel design. The experimental response was quite well captured for smooth dowels, while the prediction was less accurate for ribbed ones. Future refinements may address the local damage induce by the rebar pull-out, typical of ribbed rebars, which is neglected in present form of the model.
Puoli tuntia lukemista: Kansainvälinen lasten lukutaitotutkimus (PIRLS 2021)
Authors: Leino Kaisa , Sirén Marjo , Nissinen Kari , Puhakka Eija
Published: May 2023

Kansainvälisessä lasten lukutaitotutkimuksessa eli PIRLS-tutkimuksessa (Progress in International Reading Literacy Study) tarkastellaan alakouluikäisten, pääasiassa neljäsluokkalaisten, lukutaidon tasoa ja osaamiseen yhteydessä olevia tekijöitä eri maissa. Oppilaille suunnatun luetunymmärtämisen testin ja oppilaskyselyn lisäksi tutkimus sisältää kyselyt mukaan valittujen luokkien lukemisen opettajille, koulujen rehtoreille ja oppilaiden vanhemmille. Kyselyt tuottavat monipuolista tietoa oppilaiden taustoista sekä oppilaiden ja heidän vanhempiensa lukemiskäytännöistä ja -asenteista, koulujen lukemisen opetuksesta sekä koulujen ja kotien oppimisen olosuhteista. Neljäs vuosi koulussa on merkittävä vaihe, koska tällöin alkaa korostua lukutaidon käyttö uuden oppimisen välineenä. Ensimmäisten kouluvuosien aikana syntyy ja vahvistuu myös lukunautinnon merkitys.
OPTIMIZATION OF OPERATING PARAMETERS OF OPEN COOLING TOWERS OF THE DOUBLE-CIRCUIT COOLING SYSTEM
Authors: Ivanyakov S. V. , Kryuchkov D. A.
Published: May 2023

The operation of most chemical processes is accompanied by the cooling of various production streams over a wide temperature range using various refrigerants. At cooling temperatures of process streams up to 25 °C, the most common refrigerant is water prepared in circulating water supply systems of petrochemical plants equipped with fan cooling towers, the work of which is considered in the article. Operation of open cooling towers in single-circuit cooling systems is characterized by high economic efficiency with a wide range of thermal capacities. However, drip entrainment of circulating water, entry of production products into the atmosphere, enrichment of circulating water with oxygen followed by growth of microorganisms in water requires a transition to two-circuit systems in which cooling is carried out by a closed-cycle refrigerant cooled by open-cycle water passing through cooling towers. But such changes in cooling systems reduce the economic efficiency of these systems. The analysis of the equipment operation in the open and closed circuits of the cooling system, provided that a number of system parameters are constant (heat load, quality of purification of recuperation heat exchangers of the cooling system, etc.), made it possible to formulate optimization (minimization) of operating costs for water cooling. Taking into account the previously obtained models of pollution growth in recuperation heat exchangers and considering the vector of control parameters of the optimization problem, the main parameter of optimization (mimimization) of operating costs for cooling, which is the cooling temperature of cooling water, was identified. The results of the analysis of the influence of ambient air parameters on the temperature of the produced cooling water in the open cooling towers are also presented, and the calculation of the economic efficiency of the cooling system operation is carried out taking into account seasonal changes in ambient air parameters.
DEVELOPMENT OF A MODERN LABORATORY INFORMATION MANAGEMENT SYSTEM FOR THE OIL AND GAS INDUSTRY
Authors: Kostin D. S. , Sharifullin A. R. , Khabibullin A. F.
Published: May 2023

Preparing an economic assessment for the development of new oil and gas equity is an important task that affects many different design decisions. At the same time, at the early stages of project implementation, there are the greatest levers to increase their final economics, but unfortunately, the insufficient knowledge of the field does not allow making accurate forecasts.To obtain production profiles in such conditions, a simplified hydrodynamic model (HDM) is usually used, on which an analysis of the uncertainties of the input data is carried out. To do this, the ranges of change of the most significant parameters affecting the production are determined (porosity, permeability, PVT-properties of oil, etc.). Further, the set of production profiles for all possible variations of each uncertain parameter is averaged. At the same time, an increase in the number of variable parameters leads to an exponential increase in labor costs. Additional complexity in carrying out such calculations is created by the need to involve specialists of various profiles employees of the services of the chief geologist responsible for the design of the field development, and the chief engineer responsible for the well completion design. This makes it possible to consider both the potential of the reservoir and the limitations of surface infrastructure in the overall solution. The latter is critical for offshore fields, since oil platforms do not have the same flexibility in terms of modification as surface facilities.Offshore deposits are also of particular interest from the point of view of the need to replenish Russia's raw material base due to the depletion of more accessible onshore deposits in the medium term.In this way, the development of an engineering calculator for calculating the production profile for an oil platform is a complex but important task for the oil industry. This article presents the results of its formalization and solution.
RESEARCH OF WEAR RESISTANCE AND MECHANISM OF ABRASIVE WEAR OF GAS THERMAL METALLIZED COATINGS USED FOR SEM PROTECTION
Authors: Knyazeva Zh. V. , Andriyanov D. I. , Yudin P. E. , Vasin R. A.
Published: May 2023

As is known, the current stage of the development of the oil industry of the Russian Federation is characterized by complicated conditions for field development, which is due to low production rates due to the high viscosity of oil, high aggressiveness and water cut in the media. Almost the entire well stock is operated mechanically, mainly with the help of electric submersible pumps (ESPs). To date, the use of metallization coatings applied by thermal spraying, due to their high physical, mechanical and chemical properties, is the most effective way to protect submersible equipment in the mining industry, in particular, the body of a submersible electric motor (SEM) from the influence of complicating factors. Nevertheless, there have been repeated cases of a decrease in the service life of equipment associated with the processes of destruction of metallization coatings. Abrasive wear is one of the most common reasons for the destruction of gas-thermal metallization coatings of SEM cases during operation. This article presents an overview of the main parameters that determine the wear resistance of gas-thermal metallization coatings, the main wear mechanisms and types of coating damage during wear are considered. Comparative tests of the wear resistance of gas-thermal metallization coatings deposited by the methods of electric arc metallization (EDM) and high-speed flame spraying (HSFP) under the influence of abrasive particles were carried out. It has been established that the destruction of gas-thermal metallization coatings proceeds mainly by chipping particles, for metallization coatings that have refractory compounds in their composition, fatigue failure is also characteristic, due to the accumulation of internal stresses during highcycle elastic-plastic deformation of the coating, which contribute to the formation of fatigue cracks and subsequent separation of particles with surface layer. The results obtained confirm the significant effect of the uniformity of the structure of gas-thermal metallization coatings on their wear resistance, as well as the staging of the wear process.
Pavonia paludicola (Malvaceae), a new record for Mexico
Authors: Carnevali Fernández-Concha Germán , Tapia-Muñoz José Luis , Ramírez-Morillo Ivón M. , Duno-de Stefano Rodrigo
Published: May 2023

Background: Pavonia (Malvaceae) is a morphologically diverse genus with more than 200 species in America of which 32 have been previously reported in Mexico. In a field trip to the Reserva Estatal de Dzilam de Bravo, in northern Yucatan, a population of a Malvaceae species was detected that could not be unequivocally matched with any species known previously in the country.

Questions: What is the identity of the Malvaceae species collected? Is it a taxonomic national or regional novelty?

Species of study: Malvaceae, Malvoideae, Pavonia.

Study site and dates: Yucatan Peninsula, Mexico, 2021–2022.

Methods: Botanical specimens were collected and determined taxonomically through the use of specialized keys, and consulting of botanical collections. The conservation status was assessed using the IUCN methodology.

Results: The specimens collected at the study site do not represent an undescribed species but instead Pavonia paludicola Nicolson ex Fryxell, which is a new record for Mexico. The species is assessed as Least Concern (LC) along its full distributional range whereas the Yucatan population is assessed as Data Deficient (DD) at this time. Furthermore, we offer a key to the two species of Pavonia in the Mexican portion of the Yucatan Peninsula, the second being P. schiedeana Steud., whose conservation status is assessed as Least concerned (LC).

Conclusion: With the report of Pavonia paludicola, thirty-three species of the genus are now recognized from Mexico, two of which occur in the Mexican portion of the Yucatan Peninsula.
Percepção dos profissionais das técnicas radiológicas frente à humanização da assistência na radioterapia
Authors: De Avila Maria Luiza da Rosa , Da Silva Charlene , Müller Juliana dos Santos , Coelho Layla de Souza
Published: May 2023

OBJETIVO: Descrever a percepção dos profissionais das técnicas radiológicas frente à humanização da assistência em um centro de referência em tratamento radioterápico. MÉTODO: Trata-se de um estudo descritivo com abordagem qualitativa que foi desenvolvido a partir de uma pesquisa de campo em um centro de referência em oncologia no Sul do Brasil. Participaram da pesquisa sete profissionais das técnicas radiológicas. O instrumento de coleta de dados foi elaborado com duas questões abertas balizadas na Política Nacional de Humanização. Os dados foram analisados a partir dos pressupostos da Análise Temática de Conteúdo de Bardin. RESULTADOS: Os profissionais da radiologia manifestaram a empatia, o interesse pelo estado de saúde do próximo e o vínculo entre usuário e profissional como fatores que contribuem para o atendimento humanizado. Entre os fatores que dificultam a assistência humanizada foram listados a falta de profissional, de uma rotina bem estabelecida e o tempo reduzido para execução do tratamento. CONCLUSÃO: No atendimento em radioterapia, os profissionais das técnicas radiológicas devem estar atentos aos sinais emocionais e físicos do usuário. A partir disto é construída uma relação humanizada e positiva de confiança e reconhecimento.
English Teacher: His Beliefs about English Language Assessment at Primary, Secondary and Tertiary Levels
Authors: Díaz Larenas Claudio , Alarcón Hernández Paola , Ortiz Navarrete Mabel
Published: May 2023

The following paper aims at identifying beliefs about English language assessment from a group of thirty Chilean teachers from primary, secondary and tertiary levels. This research is a multiple case study that utilizes a semi-structured interview, journals and a Likert scale, whose data are analyzed through semantic content analysis with the use of the qualitative data analysis software Atlasti that helps to determine participants' beliefs about assessment. The conclusions indicate that the participants declare to hold a communicative assessment model; however, written tests predominate as assessment procedures to assess grammar and vocabulary in the three educational levels.
Metafiction and subjectivity in American Pastoral by Philip Roth
Authors: López Alzate Yasmín
Published: May 2023

American Pastoral is proposed in this article as consisting of two narrative levels in which the life of the main character is deployed, that is a diegetic level and metadiegetic level. Then, various metafictional resources are analysed, particularly a reorganization of narrative levels. On the basis of the proposed division, the article explores American Pastoral as a novel which, through the use of metafiction, reconstructs and challenges the subjectivity of the main character set out in the diegesis. Based on the metafictional turning point, a parallel is then established between the main character's identity both in the diegesis and in the metadiegesis. To conclude, several implications of such metafictional reframing of subjectivity in American Pastoral are proposed: as a marker of the text construed character, as a major narrative strategy and as an element underlying literature as a form of intersubjective knowledge.
Creating and Implementing a Didactic Sequence as an Educational Strategy for Foreign Language Teaching
Authors: Soler Pardo Betlem , Villacañas de Castro Luis Sebastián , Pich Ponce Eva
Published: May 2023

This text focuses on a didactic sequence (DS) which was put into practice during the school year 2011–2012 with 6th grade students from the public school Jaume I ''El Conqueridor'' of Catarroja (Valencia) in the area of Teaching English as a Foreign Language (TEFL). The DS was applied to the teaching of an expository text, and different pedagogic strategies—vocabulary redundancy, familiarity with the ideas involved, and a checklist to encourage student autonomy—were implemented to allow students to experiment this practice as a coherent, cohesive process adapted to their needs. The final DS design stroke a balance between a grammatical and a purely ideational focus and, as a result, students were able to improve their acquaintance with, and use of, the main features of expository writing without becoming estranged in the learning process.
Avatars of the historical distinction between historical writing and fictional writing
Authors: Silva Rodríguez Manuel
Published: May 2023

This article identifies how from their textual properties and from the pragmatic dimension of language the historical and the fictional have distanced and again found in cultural production. The text synthesizes and relates conceptual elements that have been exposed as constituting two modes of discursive production: the fictional writing and the historical writing. The text addresses issues such as the alleged distinction between history and fiction, the overlap in the use of textual and rhetorical resources and the boundary of the two domains in accordance with the covenants of reading that they have developed historically. The text aims to highlight that concepts like verisimilitude, veracity, narrative, subjectivity and relationship sign-historical order have been taken as criteria approach and differentiation between the two.
Ten studies on Translation of 19th Century Spain
Authors: Marín Zuluaga Olga Elena
Published: May 2023

[TEXT IN SPANISH]

Book reviewed:

Zaro, Juan Jesús (Ed.) (2008). Diez estudios sobre la traducción en la España del siglo xix. Granada:Atrio, Colección Traducción en el Atrio, 271p. ISBN: 978-84-96101-63-0
The doctoral thesis citation in biology and linguistics
Authors: Gallardo Susana
Published: May 2023

The objective was to determine differences in the use of disciplinary citation in doctoral theses. In this sense, using a qualitative approach we analyzed the form and functions of citations in two sections ("Introduction" and "Conclu­sions") of doctoral theses of biology and linguistics. On the one hand, we have explored the lexis and grammar so as to determine the form of citations in different rhetorical moves. On the other hand, from a pragmatic point of view we have determined the place of the referred content in the illocu­tionary structure. Therefore we observed a correlation between the form of citations and function of segment or movement in which they appear. In the discussion section of a biology thesis, citation played the role of enablement or justification of claims. These results suggest that authors in biology need to support their conclusions with evidence from other investigations. In our opinion, the differences between disciplines are related with different episte­mological conceptions. Recieved: 28-12-09 / Accepted: 13-04-2010 How to reference this article: Gallardo, S. (2010). La citación en tesis doctorales de biología y lingüística. Íkala, 15(3), 153 – 177.
French-Spanish Translation of Legal-Institutional Texts: Main Parameters Aimed at Students
Authors: Castellano Martínez José María
Published: May 2023

In this paper an analysis is made of the main characteristics of both French and Spanish legal speech in order to propose different translation strategies for students of Translation & Interpretation Studies to follow depending on lexical-semantic aspects, in particular, those that frequently appear in the writing and translation processes of legal documents in French. After an introduction to the general characteristics of legal speech, we study the more relevant lexical and semantic aspects of French legal language. All these questions are accompanied, not only by different proposals of translation but examples also based, above all, on the main French codes. At the end, a comparative table of the most representative legal and political institutions from France and Spain is offered with some suggestions about possible techniques to take into account for translation.
Interaction in an EFL reading Comprehension Distance Web-based Course
Authors: Osorno González Jaime Alberto , Lopera Medina Sergio Alonso
Published: May 2023

This article reports the positive and negative effects of an EFL reading comprehension distance web-based course based on four models of interaction (Bouhnik & Marcus, 2006; Moore, 1989). The methodology used was a case study, and researchers used five different data collection instruments and the tools from the platform Moodle to collect them. Some of the positive findings include: language improvement, individualized assistance, a friendly environment, and a different teacher's role. Conversely, some of the negative results are: the number of exercises, anxiety, limited feed-back, lack of interaction among students, and the absence of a tutorial guide. In conclusion, it is suggested that web-based courses balance the number of exercises, give deeper feed-back, encourage interaction among students, and design a tutorial.