bluuebunny/crossref_metadata_2025 huggingface dataset:
GC-MS study of the removal of dissolved and colloidal substances in recycled papermaking by flocculation with nano-size TiO2 colloids
Authors: Chen Xiaoquan , Shen Wenhao , Kou Shunli , Liu Huanbin
Published: June 2023

In the papermaking process, the removal and control of dissolved and colloidal substances (DCS) is a key issue for reducing the usage of fresh water. Nano-size TiO2 is an excellent capturing and flocculating agent for DCS due to its large surface area and positive charge. The composition of dissolved and colloidal substances in a system and the removal of these substances by flocculation with nano-size TiO2 colloids were determined by gas chromatography and mass spectrometry (GC-MS). The samples were obtained from non-deinked pulp (non-DIP), deinked pulp (DIP), and whitewater. The research results indicated that the removal efficiencies of the DCS, which are associated with the molecular structures, were sequenced from large to small as follows: resin acids and sterols, benzene derivatives containing carboxyl, fatty acids, and the phthalic acid esters. Then, the mechanism of flocculation removal of DCS was considered. With hydrogen bonding between the surface hydroxyl (Ti4+-OH) and the functional groups containing oxygen, the nano-size TiO2 particles can capture dissolved substances (DS), and bridge colloidal substances (CS) and complexes to induce agglomerate flocculation. The flocculating removal efficiencies were influenced by the functional groups and alkyls of the DCS. Greater numbers and polarities of functional groups produced higher removal efficiencies. Long alkyl chains shield functional groups, thereby inhibiting the formation of hydrogen bonding, which results in a decrease in removal efficiencies.
Combined pretreatment with white-rot fungus and alkali at near room-temperature for improving saccharificaiton of corn stalks
Authors: Zhong Weixin , Yu Hongbo , Song Lili , Zhang Xiaoyu
Published: June 2023

Although biological pretreatment has the advantages of being environmentally friendly and having low-energy consumption, it usually requires a relatively long incubation time. In this study, a novel combined pretreatment with white-rot fungus and alkali at near room-temperature for saccharification of corn stalks was investigated to speed up the biological process. Biological pretreatment with Irpex lacteus or Echinodontium taxodii can improve enzymatic hydrolysis of corn stalk greatly, but the process requires a long time (60 days) to achieve a satisfactory sugar yield. The combination processes with the fungi were compared with the sole pretreatments. The results showed that the time of the biological process could be shortened to 15 days when the bio-treatment with I. lacteus was combined with alkali pretreatment. The efficiency of alkali pretreatment can be also enhanced significantly by biological treatment. 271.1mg/g of final glucose yield was obtained for the combination pretreatment, which was an improvement of 50.4% and 28.3% in comparison with the sole alkali pretreatment at the same and optimum reaction time, respectively. In conclusion, the combination of biological pretreatment with alkali processes not only speeded up the biological process, but also improved the sugar yield in comparison to the sole pretreatment and is favorable for the development of biological pretreatment.
Removal of hemicelluloses by NaOH pre-extraction from aspen chips prior to mechanical pulping
Authors: Liu Wei , Yuan Zhirun , Mao Changbin , Hou Qingxi , Li Kecheng
Published: June 2023

chips prior to mechanical pulping, which would offer new feedstocks for the production of chemicals and fuels. The aim of this study was to evaluate pre-extraction to maximize pre-extraction yield, while minimizing negative impacts on wood chips. The effects of three independent process variables (NaOH charge, pre-extraction temperature, and time) on three dependent variables (pre-extraction yield, xylan extraction yield, and cellulose content based on original wood) were studied using a Box-Behnken experimental design. The mathematical models were obtained and validated well. It was found that NaOH charge, time, interaction between NaOH charge and time, and interaction between temperature and time have significant effects on xylan extraction yield. The xylan extraction yield was 22.55%; i.e., about 37.3 kg of xylan could be extracted from one ton of oven-dried aspen chips under the conditions of 5.68% NaOH charge, 100 °C, and 35 min.
Effects of treatment of coir fiber and cement/fiber ratio on properties of cement-bonded composites
Authors: Ferraz Joana M. , Del Menezzi Cláudio H. S. , Teixeira Divino E. , Martins Sabrina A.
Published: June 2023

This study investigated the effects of different treatments of coir fibers (Cocos nucifera L.), and cement:coir ratio on physical and mechanical properties of cement-bonded composites. Three treatments: adding 4% of CaCl2, immersion in hot water at 80°C for 90 minutes, and immersion in NaOH aqueous solution at 5% for 72 hours and two cement:fiber ratios (3:1 and 4:1) were chosen for manufacturing 24 panels. After 28 days of setting, characterization was made through static bending (MOE, MOR), parallel compression (COMP), internal bonding (IB), thickness swelling (TS), and water absorption (WA) (2 and 24 hours of water immersion) tests. Treating coir fibers with hot water provided an improvement in the panel’s properties. This treatment had better results in MOE and COMP. Panels produced with CaCl2 addition were resistant as well; however coir fibers treated with NaOH produced cement/coir composites with unsatisfactory physical and mechanical properties.
Reducing COD and BOD, as well as producing triacylglycerol by LDS5 grown in CTMP effluent
Authors: Du Yalan , Wang Yang , Peng Gong , Su Zhenhua , Xu Ming , Feng Wenying , Zhang Shuyan , Ding Yunfeng , Zhao Degang , Liu Pingsheng
Published: June 2023

Both the energy shortage and pollution tend to slow down economic development and affect our daily lives. Some microorganisms not only can digest pollutants, but also can convert pollutant metabolites to triacylglycerol (TAG) that can be used to produce biodiesel. Here, we present results showing that the bacterium strain LDS5, a mutant of Rhodococcus sp. RHA1 (RHA1) generated in our lab, could grow well in chemithermomechanical pulping (CTMP) effluent, a type of paper mill wastewater, reduce chemical oxygen demand (CODCr) and biochemical oxygen demand (BOD5) significantly, and produce TAG. Our data suggest that this strain has the potential to be used in paper mill wastewater treatment as well as in the development of biodiesel using biomass from paper mills.
Review: Effects of wood quality and refining process on TMP pulp and paper quality
Authors: Li Bin , Li Haiming , Zha Quanqing , Bandekar Rohan , Alsaggaf Ahmed , Ni Yonghao
Published: June 2023

For the thermomechanical pulping (TMP) process both wood chip quality and the refining process have important effects on the resulting pulp and paper quality. Properties of wood raw material give a framework for final pulp properties. During TMP refining the specific energy consumption and refining intensity strongly impact fibre and pulp qualities. Increasing specific energy consumption benefits the development of fibres and improves their properties. However, high intensity refining tends to shorten the fibres and produces more fines content when compared with low intensity refining. This review focuses on the influence of key variables of chip qualities and the refining process on TMP pulp and paper qualities.
Polypyrrole and polypyrrole/wood-derived materials conducting composites: A review
Authors: Sasso Claudia , Beneventi Davide , Zeno Elisa , Chaussy Didier , Petit-Conil Michel , Belgacem Naceur
Published: June 2023

Wood and cellulose derivatives, in both fibrous and water-soluble macromolecular form, are emerging as outstanding candidates for organic electronics applications due to their large-scale availability, low cost, and easy processability. Paper and wood fibre-based derivatives are considered to be materials of choice as supports for communication world-wide. The interest in producing inexpensive and universally available conducting polymer/cellulose fibres substrates resides in the possibility of creating new materials that can be used for a broad range of advanced applications. For instance, PPy/cellulose fibres composites can be used for the preparation of energy storage devices thanks to the conjugation of the high specific area of cellulose fibres and the electrochemical properties of PPy. Other possible applications of such composites are in the area of the antistatic materials, sensors, electromagnetic interference shielding materials, smart packaging, and tissues. Concerning the woody polymers, some of them (i.e. cellulose derivatives) also exhibit biocompatibility, as well as film-forming properties and transparency. In combination with the electrical properties of PPy, these features make PPy/macromolecular cellulose composites suitable for applications as displays, lighting, and photovoltaics. Due to their chemical structure, macromolecular wood derivatives have been proposed with success as enhancing conductivity additives in Py polymerisation. The aim of the present review is to provide an overview of PPy chemistry and of the most relevant advances attained in the production of PPy/wood derived materials conducting composites.
Analysis of different protocols using an Exradin A12 cylindrical chamber for electron beam reference dosimetry
Authors: Gonçalves Prospero Andre , Ferreira Ana Carolina , Rodrigues Pina Diana , Pernomian Antonio Cesar , De Oliveira Wander
Published: June 2023

The Technical Report Series 398 (TRS-398), Electron Dosimetry Working Party (EWDP), and Task Group 51 (TG 51) are the most important protocols for reference dosimetry. In the case of electron beam reference dosimetry, these protocols recommend using parallel-plate ionization chambers for beams with R50 values below specific thresholds. However, recent papers suggested using cylindrical chambers for reference dosimetry of all electron beam energies. Here we compared different protocols using a cylindrical chamber with the recommendations of using a parallel-plate chamber and the TRS-398 formalism for the dosimetry of several electron beam energies.  We employed electron beams with nominal energies of 4, 6, 9, 12, and 15 MeV of a Varian 2100C linear accelerator, an Exradin A12, and an Exradin P11 chamber for the analysis. The results showed differences below 3% when comparing the cylindrical chamber and alternative protocols with the parallel-plate chamber and the TRS-398 formalism for electron beams reference dosimetry. These results can bring confidence in using a cylindrical chamber for reference electron beam dosimetry, which can make the electron beam dosimetry procedure simpler and faster.
Estimation of scattered radiation influence on neutron beams at a calibration laboratory using Monte Carlo simulation of a long counter
Authors: Sarmento Alvarenga Tallyson , Fernandes Simone . S. , Pereira Walsan W. , Mayhughc Mike. R. , Caldas Linda V. E.
Published: June 2023

At the Neutron Calibration Laboratory (LCN) of IPEN/CNEN, a 241AmBe source was used to test and calibrate neutron detectors. The neutrons emitted by the source reach the detector as intended, but they also scatter undesirably from the building's floor, ceiling, and walls, leading to indirect detection. A Long Counter (LC) detector was modeled using the MCNPX Monte Carlo code. The objective of this study was to measure the contribution of scattered radiation at the LCN / IPEN, and to determine the fluence rate, at different points in the calibration room at source-to-detector distances of 100 cm and 150 cm; subsequently, the results were compared with those of the Brazilian Laboratory of Metrology of Ionizing Radiation (LNMRI). The results show that the fluence rates of LCN / IPEN are comparable to those of this neutron laboratory for the 100 and 150 cm source-to-detector distances using a 241AmBe source (37 GBq). The results show that the calibration of neutron detectors should be performed at distances less than 100 cm, where the contribution of scattered radiation is within the 40% limit recommended by ISO 8529-1.
Productivity energy level of cows of Gray Ukrainian breeds and their reproductive qualities
Authors:   Institute of Grain Crops NAAS, 14 Volodymyra Vernadskoho str., Dnipro, 49009, Ukraine, Kozyr V. S. , Denisyuk A. V. ,   Institute of Grain Crops NAAS, 14 Volodymyra Vernadskoho str., Dnipro, 49009, Ukraine, Dimchya H. G. ,   Institute of Grain Crops NAAS, 14 Volodymyra Vernadskoho str., Dnipro, 49009, Ukraine, Maistrenko A. N. ,   Institute of Grain Crops NAAS, 14 Volodymyra Vernadskoho str., Dnipro, 49009, Ukraine, Grabovska O. S. ,   Institute of Animal Biology NAAS, 38 V. Stusa str., Lviv, 79034, Ukraine
Published: June 2023

We have studied the reproductive abilities of the animals and the development of the offspring during the post-sucking period on cows of the Gray Ukrainian breed in the 1st–3rd lactations. To evaluate the cows and the offspring, in addition to traditional signs, indicators of net energy of body maintenance and net energy of growth were introduced, as integrated indicators of the state of the organism, which depend to a greater extent on the origin than on the conditions of keeping. We have established that the researched population of animals of the Gray Ukrainian breed in the ecological and fodder conditions of the steppe zone of Ukraine shows excellent maternal instincts, reproductive function and small foetus rate not lower than the standard for the breed, almost equal distribution of offspring by sex. The yield of calves per 100 cows is 97–98%, live weight of calves at birth is 25–26 kg for heifers and 27–28 kg for bulls; high milk yield: the weaning live weight at 8 months of age is 200 kg for heifers and 230 kg for bulls, the service period of cows for 1–3 lactation period is 155–91 days, the intercalving period is 433–371 days, the small foetus coefficient is 0.54–0.49, net energy for maintaining vital activity in cows is 40–45 MJ and in newborn calves — 4.5–4.6 MJ, the net energy of growth of young calves when weaned from their mothers is 19–20 MJ and for the entire period of suckling is 3800–4900 MJ. In the section of lactations, correlational dependences were established between the net energy of maintaining cows and their offspring, which makes it possible to carry out more purposeful selection and selection of animals for further breeding and preservation of the herd of this breed.
Productive qualities of young pigs of the Large White breed of diverse genealogical lines and interbreed differentiation according to some integrated indicators
Authors:   Institute of Grain Crops NAAS, 14 Volodymyr Vernadsky str., Dnipro, 49027, Ukraine, Khalak V. I. , Gutyj B. V. ,   Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, 50 Pekarska str., Lviv, 79010, Ukraine
Published: June 2023

The purpose of the work was to investigate the fattening and meat qualities in young pigs of the Large White breed of diverse genealogical lines and interbreed differentiation according to some integrated indicators and to calculate the economic efficiency of the experimental results. The fattening and meat qualities in young pigs were evaluated by the quantitative characteristics such as average daily live weight gain during the control fattening period (g), the age of reaching 100 kg live weight (days), thickness of lard at the level of 6–7 thoracic vertebrae (mm), length of the chilled carcass (cm), length of the bacon half of the chilled half-carcass (cm). Comprehensive evaluation of the animals in the experimental groups was carried out according to the Tyler and Wangen indices. Biometric processing of research results was conducted according to the methods of V. P. Kovalenko et al. (2010). The research was performed in agricultural formations of the Dnipropetrovsk region, the Jazz meat processing plant, and the animal husbandry laboratory of the Institute of Grain Crops NAAS of Ukraine. It was established that in terms of fattening and meat qualities, the young pigs of the genealogical lines Tafftus C61203 UA 8819345 and Azuro UA 8800557 of the Large White breed correspond to the elite class. Young pigs of the genealogical line Tafftus C61203 UA 8819345 outperform peers of the Azuro line UA 8800557 by 3.25% in the age of reaching a live weight of 100 kg, in fat thickness at the level of 6–7 thoracic vertebrae by 5.74%, in chilled carcass length by 0.93%. Animals of the Azuro UA 8800557 line are characterized by a longer length of the chilled carcass and the length of the bacon half of the chilled carcass. The number of significant correlations between the fattening and meat qualities of the Large White breed young pigs, the CI selection index, and the Tyler index is 80%. The maximum increase in additional production was obtained from young pigs of the genealogical line Tafftus C61203 UA 8819345 (+2.52%), then I experimental group according to the Tyler index (+3.98%) and the selection index CI (+4.30%). The criteria for selecting highly productive animals due to the CI breeding index are 57.69–78.57 points, and the Tyler index is 214.89–242.85 points. The economic efficiency of the use of young pigs from the specified groups provides additional production at the level of +3.98–4.30%.
A Multisite Survey of Pediatric Hospitalists’ Practices in Soliciting Feedback From Trainees
Authors: McKenzie Nicholas L. , Vaughen Sarah , Black Erik , Shao Yi , Fromme H. Barrett
Published: June 2023

OBJECTIVE

There is evidence that pediatric attending physicians value receiving feedback from trainees. With this study, we sought to determine the extent to which pediatric hospitalists value, solicit, and receive feedback from residents and medical students on specific areas of the attending’s performance and identify perceived barriers to trainees’ providing feedback.

METHODS

A web-based survey was sent to pediatric hospitalists at 9 institutions in 2022. Survey questions were developed from existing literature, trainee input, faculty expertise, and a framework on the qualities of exemplary pediatric educators. Respondents answered yes-no and multiitem Likert scale questions and selected answers from predetermined lists related to feedback solicitation from trainees. χ-Square and Wilcoxon rank test statistics were used to analyze questions.

RESULTS

Responses were gathered from 91 of 189 surveyed individuals (response rate: 48.1%). Respondents almost unanimously “agreed” or “strongly agreed” that feedback from medical students (88, 96.7%) and residents (89, 97.8%) can be valuable, but feedback was considered more valuable from residents (P <.05). Attending physicians asked for and received feedback more from residents than from medical students (P <.05). Attending physicians most commonly asked for feedback on “teaching skills.” The largest perceived barriers to receiving feedback from trainees were trainee lacking comfort with giving feedback, trainee lacking awareness that providing feedback is within their role, and fear of retaliation.

CONCLUSIONS

Although pediatric hospitalist respondents nearly unanimously valued feedback from trainees, attending physicians were inconsistent in their feedback solicitation practices. Attending physicians were more likely to ask for and receive feedback from residents than from medical students.
Мотивы безбожия как проявление упадка российского общества в начале XX века на примере романа М.П. Арцыбашева «Санин»
Authors: Демина Евгения
Published: June 2023

This article demonstrates the motives of godlessness and paganism, i.e. rejection of Christian morality in early 20th century Russian society on the example of M.P. Artsybashev's novel "Sanin" as a sign of social decadence due to historical upheavals and the trend for certain philosophical teachings of Nichtze, Schopenhauer and some other philosophers.
K básnickej obraznosti v súčasnej slovenskej poézii. Poetika spirituálnej poézie po roku 1989
Authors: Hégerová Viktória
Published: June 2023

Erik Jakub Groch is a representative of contemporary Slovak spiritual poetry, entering literature in 1989 with his debut Súkromné hodiny smútku. In the contribution we characterise and interpret his poetic collection Bratsesta (1992) in which we observe the poetic language, lyrical subject, poetic imagery. Erik Jakub Groch’s work is evaluated in aesthetic and axiological terms.
Iskola a digitalizálódó világban
Authors: Fazekas Nóra
Published: June 2023

A tanulmány az iskola intézményének és szervezeteinek kölcsönhatását elemzi a
digitalizáció tükrében. Bemutatja a külső kontextus, az intézmény és az
iskolaszervezetek közötti kapcsolatokat, az iskola intézményi változásának
tényezőit, az iskolaszervezetek izomorf változási és szervezeti tanulási
aspektusait. A tanulmány célja elsősorban ennek a komplex jelenségnek az
áttekintése, ezzel diskurzus indítása az intézményben és az iskolák vezetési
szükségleteiben végbemenő feltartóztathatatlan változásról.
Morfología y adaptación de tres arabismos como palabras idiomáticas en locuciones en lengua española: los casos de «balde», «(h)erre» y «guájete»
Authors: Aguilar-Ruiz Manuel-José
Published: June 2023

En el presente trabajo se estudia el proceso de adaptación al español de tres préstamos léxicos procedentes del árabe que han quedado fijados en seis locuciones de la lengua española en calidad de palabras idiomáticas (balde, [h]erre y guájete). Se delimitan los conceptos de palabra idiomática y arabismo, y se exponen los tres préstamos léxicos idiomáticos de origen árabe a estudiar, resultado de la recopilación a través de un procedimiento lexicográfico ensayado en trabajos anteriores. El análisis léxico se centra en los procesos de adaptación que estos han experimentado a la hora de acomodarse a los patrones gráficos, fonológicos, fonotácticos, morfológicos, etc. del español, para comprobar si mediante estos diversos procedimientos acaban incorporados como extranjerismos crudos o adaptados. Se comprobará cómo estas tres piezas léxicas, de aparición únicamente posible dentro de locuciones, terminan trasvasadas al español como préstamos totalmente adaptados, sin que un usuario nativo pueda tener consciencia de su origen foráneo.
Martínez Alcorlo, Ruth. Isabel de Castilla y Aragón, princesa y reina de Portugal (1470-1498). Madrid: Sílex, 2021. 293 pp. (ISBN: 978-84-1838-809-5)
Authors: Moya-García Cristina
Published: June 2023

Book Review
Enabling robotic manipulation in remote environments with shared autonomy
Authors:   , Phung Amy
Published: June 2023

The evolution of robotics technology continues to facilitate exploration and scientific study in remote environments, enabling research in areas that were previously impossible to reach. Robots operating in space and marine environments encounter similar operational challenges, as both face high operational costs, bandwidth-limited conditions, and natural, unstructured environments where dynamic obstacles might be present. Within the oceanographic domain, conventional deep-sea sampling operations involve remotely operated vehicles (ROVs) equipped with robotic manipulator arms to complete dexterous tasks at depth. While effective, deep-sea ROV operations require specialized instrumentation, highly trained shipboard personnel, and large oceanographic vessels, which make deep-sea samples inaccessible to most. This thesis presents the SHared Autonomy for Remote Collaboration (SHARC) framework, and evaluates its utility within an oceanographic context. By leveraging shared autonomy, SHARC enables shore-side operators to collaboratively carry out underwater sampling and manipulation tasks, regardless of their prior manipulator operations experience. With SHARC, operators can conduct manipulation tasks using natural language and hand gestures through a virtual reality (VR) interface. The interface provides remote operators with a contextual 3D scene understanding that is updated according to bandwidth availability. Evaluation of the SHARC framework through controlled lab experiments indicates that SHARC’s VR interface enables novice operators to complete manipulation tasks in framerate-limited conditions (i.e., <0.5 frames per second) faster than expert pilots using the conventional topside controller. For both novice and expert users, the VR interface also increased the task completion rate and improved sampling precision. During sea trials, SHARC enabled collection of an underwater in-situ X-ray fluorescence (XRF) measurement at more than 1000 meters water depth in the Eastern Pacific with centimeter-level precision by remote scientists with no prior piloting experience. This demonstration provides compelling evidence of SHARC’s utility for conducting delicate operations in unstructured environments across bandwidthlimited communications, which holds relevance for improving operations in other sensitive domains where dexterity is required. SHARC’s ability to relax infrastructure requirements and engage novice shore-side users provides a promising avenue for democratizing access to deep-sea research.
Novel scale for predicting thrombosis of the left atrium and its appendage before catheter ablation or cardioversion in patients with nonvalvular atrial fibrillation or atrial flutter
Authors: Zaigraev I. A. , Yavelov I. S. , Drapkina O. M. , Bazaeva E. V.
Published: June 2023

Aim. To study the potential of predicting thrombosis of the left atrium (LA) and/or LA appendage (LAA) before catheter ablation (CA) or elective cardioversion in patients with nonvalvular atrial fibrillation (NAF) or atrial flutter (AFL) using indicators available in routine practice.

Material and methods. In this single-center retrospective study, the medical records of 1994 patients with nAF or AFL for the period 2014-2019 were analyzed, who underwent transesophageal echocardiography before CA or elective CV. LA/LAA thrombus was found in 33 (1,6%) patients. For the comparison group, 167 patients were randomly selected without LA/LAA thrombosis. Demographic, anamnestic, clinical, laboratory data, results of transthoracic echocardiography, as well as the CHA2DS2-VASc-RAF (CHA2DS2-VASc plus 2 points for an estimated glomerular filtration rate <56 ml/min/1,73 m2, 4 points for persistent AF (lasting >7 days), 10 points for persistent AF).

Results. The mean age of the patients was 60,3±10,9 years (men, 55%). There were more patients with NAF (87,5%), hospitalized for CV (84,0%). Multivariate analysis revealed that the severity of symptoms associated with arrhythmia was associated with the detection of a LA/LAA thrombus (odds ratio (OR) for EHRA class 3-4 14,29 at 95% confidence interval (CI): 3,3-61,8; p<0,0001), left ventricular ejection fraction <48% (OR, 7,83; 95% CI: 1,2-53,05; p=0,035) and total CHA2DS2-VASc-RAF score (OR, 1,29 at 95% CI: 1,08-1,5; p=0,004). Sup­ple­mentation of the CHA2DS2-VASc-RAF with new independent predictors of LA/LAA thrombosis did not lead to a significant increase in the area under the characteristic curve, which was 0,83 (95% CI: 0,76-0,91) and 0,87 (95% CI: 0,80-0,94), respectively (p=0,13). The OR of LA/LAA thrombosis with a total score CHA2DS2-VASc-RAF >3 was 12,8 (95% CI: 3,8-43,9; p<0,0001), while the sensitivity, specificity, positive and negative predictive value — 90,6, 57,1, 30,2 and 96,7% respectively. The OR of thrombosis of LA/LAA with a CHA2DS2-VASc-RAF score >8 was 25,8 (95% CI: 5,9-112,3; p<0,0001), while sensitivity, specificity, positive and negative predictive value — 93,5, 64,0, 34,9 and 97,9%, respectively.

Conclusion. When predicting LA/LAA thrombosis, detected during transesophageal echocardiography before CA or elective CV in patients with NAF or AFL who did not have a pronounced structural heart pathology and severe concomitant diseases, taking into account the severity of symptoms associated with arrhythmia and a reduced left ventricular ejection fraction (<48%) in addition to the risk stratification scale for LA/LAA thrombosis CHA2DS2-VASc-RAF did not lead to an increase in the area under the characteristic curve, but made it possible to increase the OR of LA/LAA thrombosis detection by 2 times and increase the sensitivity, specificity, positive and negative predictive value.
INTELIGENCIA EMOCIONAL Y RENDIMIENTO ACADÉMICO EN ESTUDIANTES DE UNA UNIVERSIDAD ECUATORIANA
Authors: Oquendo Alfredo Eduardo Figueroa
Published: June 2023

La presente investigación determina la relación entre inteligencia emocional y rendimiento académico de estudiantes de una universidad de Ecuador, con la finalidad de proporcionar recomendaciones que contribuyan al fortalecimiento de lo empático y habilidad social, y favorezcan el control y progreso de relaciones personales, académicas y educativas positivas. El enfoque metodológico del estudio es cuantitativo, mediante diseño no experimental, transeccional, correlacional y causal. El total de sujetos participantes fue de 100 alumnos y la selección de la muestra tuvo un carácter intencional, bajo el tipo de muestreo no probabilístico. Para la recolección de datos se utilizó la técnica de la encuesta y como instrumento el cuestionario, que presentó una validez interna, con un valor de Alfa de Cronbach de 0.879 y una validez externa determinada mediante el juicio de tres expertos en el área de estudio. Los hallazgos permitieron establecer la relación entre las variables inteligencia emocional y rendimiento académico. Se comprobó un efecto estadísticamente proporcional entre inteligencia emocional y rendimiento académico.
Knowledge Structure of New Energy Vehicle Policy Research
Authors: Shaikh Ruqia , Qazi Asim , Wang Xiaoli , Kassi Diby Francois
Published: June 2023

Globally, transport is responsible for 23% of energy-related carbon dioxide emissions and 80% of these emissions are attributable to road transport. Significant transformations, including extensive electrification of the sector, are necessary to achieve climate change goals. To understand new energy vehicle (NEV) policy research, we explore the status, knowledge base and research frontiers of NEV policy research by studying 355 papers collected from the Web of Science™ (WoS) Core Collection database. We map NEV policy research trends and knowledge structure development using knowledge domain technology and bibliometric techniques. The knowledge base analysis shows that: (a) NEV policy formation and evaluation; (b) policy incentives and consumer adoption; and (c) consumer preferences towards NEV adoption are all essential knowledge foundations in NEV policy research and development (R&D). The efficiency of NEV policy, cost-effectiveness of alternative fuel vehicles (AFVs), consumer preferences for NEV adoption, hydrogen energy and fuel cell vehicles, climate policy and CO2emissions are five main lines of research in NEV policy studies. With the highest number of publications from Tsinghua University, China is the most active country in NEV policy research.Energy Policy,SustainabilityandJournal of Cleaner Productionare the core journals and Energy and Fuels and Environmental Sciences are the core disciplines of NEV policy research. The findings of this analysis help policymakers and researchers to navigate the literature on NEV, provide a clear map of existing works, identify the gaps and recommend promising avenues for future studies.
MAGNETICALLY LEVITATED AND CONSTRAINED FLYWHEEL ENERGY STORAGE SYSTEM
Authors: VanOsdol John
Published: June 2023

A new concept of using linear induction motors (LIMs) to lift, constrain, accelerate, and decelerate a large-scale flywheel is proposed, and some of the advantages are investigated. Calculations for a magnetically levitated energy storage system (MLES) are performed that compare a single large-scale MLES with a current state-of-the-art flywheel energy storage system to show the relative differences and advantages of such a system. The system that is used for comparison is a typical Beacon Power
flywheel energy system. This is currently one of the state-of-the-art flywheel energy storage systems, and so it can be used to provide a basic data set to compare to an MLES system. Some preliminary conclusions are that using electromagnetic forces produced by LIMs placed around the perimeter of a large flywheel would be an effective way to reduce or even eliminate the angular stress in the flywheel,
thereby increasing the upper limit at which a flywheel can spin. Flywheels that use LIMs in this way can be made of very large size and rotate at very high speeds, and thus store significant amounts of energy. The calculations presented here cover a large design space. The paper deals with a concept only. As such, it is not yet apparent whether real systems can be made to operate effectively over the
entire calculation domain, but even with this limitation it is shown that there will likely be substantial
improvements in the amount of energy that can be stored by flywheel energy storage systems that use this concept.
APPLICATION STUDY OF TEMPORARY PLUGGING ASSISTED FRACTURING IN TRANSITION ZONES OF SABEI OILFIELD
Authors: Jiang Tao , Zhang Jicheng , Zhao Shuai
Published: June 2023

The northern oil and water transition zone of the Sabei Oilfield is the largest development area of the whole Daqing
Changyuan transition zone. At present, it is producing with ultra-high water cut, and both water flooding and
polymer flooding are under operation. In order to clarify the distribution characteristics and existing state of the
remaining oil in the transitional zone, liquid nitrogen freezing and ultraviolet fluorescence microscopy are used
to quantitatively characterize the microscopic occurrence of residual oil in cores after different volumes of water
flooding, the relationship between water flooding intensity and microscopic residual oil distribution in free state
and immobile state is established. Analysis results of residual oil in SII layer of the Sabei Oilfield show more
immobile residual oil. Conventional fracturing measures have been done to improve oil recovery, but its efficiency
deteriorated year by year, which is only 51.1% of the measures done for the oil-rich zones. Therefore, temporary
plugging assisted fracturing technology using fiber was carried out to improve the stimulation efficiency in the
transition zone. Also, an improved permeability calculation model was established to analyze the influence of the
fracture length, fracture height, and oil viscosity on productivity ratio and recovery factor. Based on these results, the optimal value ranges of operational parameters were obtained. Then, eight wells were stimulated using the
temporary plugging assisted fracturing technology in the field. The results show that after fracturing the average
daily oil production rate increased by 6.3 t and the cumulative oil production from eight wells increased by 17386 t in 720 days, demonstrating the efficacy of the temporary plugging assisted fracturing technology compared with conventional fracturing.
Halid Ziya Uşaklıgil’in Mai ve Siyah Romanında Başkahraman Ahmet Cemil’in Yaşamı Algılama Tarzı, Yaşam İstenci ve Umudunun Düşüşü
Authors: DEMİR Kübra
Published: June 2023

Düşünce adamları ve roman yazarlarının üzerinde hassasiyetle durduğu konulardan

biri yaşamın anlamı, yaşamı algılama ve yorumlamadır. Alman feylesofu Friedrich

Wilhelm Nietzsche’ye göre yaşamın kendisi “güç istenci”dir. “Güç istenci” hem

pozitif hem de negatif bir anlama sahiptir. Zira canlı olan her varlıkta bir “güç istenci”

görülmektedir. Hizmet edenin istencinde dahi “efendi” olma istenci vardır. Yalnız “güç

istenci”nde bir eşitlik olmadığı için bazı insanlar daha güçlü, bazıları da daha zayıf ve

cılızdır. “Aktif karakterdeki insan”ın yaşama bakış açısında mücadele, özgür irade,

yaşamı olumlama, yaşamın bütün acılarına rağmen ona “evet” deme söz konusudur. Oysa

“pasif karakterdeki insan”da düşüş, yeise kapılma ve yaşamı yadsıma vardır.

Servet-i Fünûn romancısı Halid Ziya Uşaklıgil’in Mai ve Siyah adlı romanının

başkahramanı Ahmet Cemil şöhret arzusuyla eserini vücuda getirmek, annesini ve kız kardeşi İkbal’i maddi sıkıntıdan azade yaşatmak ve sevdiği kız Lâmia ile evlenmek ister.

Ancak bu hülyaların hemen hepsi hayal kırıklığı ile sonlanır. Ahmet Cemil’in mizacı

ve yaşadığı hayal kırıklıkları onun yaşamı algılayış biçimine, yaşamı anlamlandırma

tarzına tesir eder. Bu çalışmada başkahraman Ahmet Cemil’in mizacı, kız kardeşi İkbal’in

ölümü, sevdiği kız Lâmia’nın bir başkasıyla evlenmesi, yazmak istediği eseri ve hayal

kırıklıklarının sonucunda çöle gitmesi odağında Ahmet Cemil’in yaşamı algılama ve

anlamlandırma tarzı Nietzsche’nin “yaşam istenci” kavramlaştırması üzerinden yeniden

okunmaya çalışılacaktır.
Khakass ritual folklore at the turn of the 18th–19th centuries: historiographical aspect
Authors:   Institute of Philology of the Siberian Branch of the Russian Academy of Sciences, Mindibekova Valentina V.
Published: June 2023

In the traditional folklore culture of the Khakass, good wishes played an important role, with every custom or ritual accompanied by a verbal performance of good wishes. The Khakass people held the belief that the power of good wishes spoken aloud could bring a sense of well-being into one’s life. Of great value for the study are the records of the ritual folklore made by N. F. Katanov. These records are accompanied by a complete ethnographic description of the performed rituals, attributes used in the rituals, actions performed by shamans, and their spells addressed to the deities and spiritual masters of the terrain. The rite is regarded as the interaction of word and action, ritual and verbal text. This work analyzes the texts of the algas published in Volume 9 of “Samples of folk literature of the Turkic tribes” compiled by V. V. Radlov (1907). N. F. Katanov recorded about 70 unique cult texts. Of particular interest are the examples of cult poetry, such as good wishes, shamanic incantations of ancestral spirits, worship of Mother Fire, texts related to the veneration of the master spirits of nature and terrain, and curses. The analysis has revealed two main thematic variants of the algas genre in the ritual poetry of the Khakass, with the first one including the texts functioning as calls and requests for help and assistance and the second one representing good wishes, blessings, and parting words.
Meanings of adjectives alag and ala in the Buryat and Khakas languages (a case study of epic works)
Authors:   Institute for Mongolian, Buddhist and Tibetan Studies of the Siberian Branch of the Russian Academy of Sciences, Sundueva Ekaterina V.
Published: June 2023

This paper presents a comparative analysis of epic works aimed at examining the semantic structures of two adjectives, alag in Buryat and ala in Khakas. The analysis findings provide a comprehensive picture of the semantic space of the words under study. Special attention is paid to word-to-word connections in the epic language, allowing the nomination motive to be identified. This study has contributed to uncovering the new meanings of the adjective alag, namely “brilliant,” “anxious,” and “dulled,” which are not specified in Mongolian-Russian dictionaries. The issue of the primary and secondary meanings is considered to be crucial in studying the semantic transitions within a polysemant. It is suggested that the meaning of “motley” was derived from the meaning “brilliant,” referring to the predominance of light spots or stripes. The word alag is assumed to have combined with the synonyms erēn “variegated” and sōhor “motley” in the epos language after losing the supposed primary meaning “brilliant.” Identifying the common meaning of “shining” in Turkic-Mongolian epic reflects the peculiarities of the national-cultural worldview of related peoples. The language representation of perceptual information is regarded as a result of the primary stage of self-knowledge, reflecting the mental-psychological and national-cultural specificity of Turkic-Mongolian people. Studying the semantic structure of the adjective alag / ala is expected to identify some general lines of the perceptual information implementation in Turkic and Mongolian languages.
The category of prichastodetie (Gerundivum) in the Russian literary language of the 18th century (a case study of the works of the Siberian cycle by A. N. Radishchev)
Authors:   St. Petersburg State University, Vlasov Sergei V. , Demidov Dmitrii G. ,   Chengchi State University
Published: June 2023

The artificial, at first glance, and peripheral category of prichastodetie (Gerundivum) (special nominal forms of the verb in -teln-) dynamically turns into the category of state, adverbs, adjectives, discursive words, prepositions, preserving its traces in its meaning of verbal action and a separate subject of action. Discovered by M. Smotritsky and described by other scholars, the prichastodetie experienced a boom in its development in the 18th century, accompanied by the lexicalization of the most common word forms. The process of formation and further lexicalization of the grammatical forms in question (“passing to the rank of qualifying adjectives,” according to Vinogradov) is rather similar to how participles are formed from verbs and transformed into adjectives and adverbial participles into adverbs. The difference is not in the quality but in the degree of productivity. The metaphorization of the verb meaning, its transfer from the physical to the emotional, and, more broadly, to the spiritual sphere facilitates the transformation of Russian “gerundives” into qualifying adjectives. The increased use of Russian “gerundives” formed from verbs of specific semantics in scientific and technical language strengthens their direct semantic link with the verb and prevents them from losing the meaning of verbal action. The prichastodetie is on the periphery of the morphological system of the Russian language and interacts with its system of word formation. The development of the category of prichastodetie is analyzed using the National Corpus of the Russian Language and the works of the Siberian cycle of A. N. Radishchev.
Song inclusions in the fairy-tale folklore of Forest Yukaghirs
Authors:   Institute for Humanities Research and North Indigenous People Problems of the Siberian Branch of the Russian Academy of Sciences, Prokopeva Praskovya E.
Published: June 2023

This paper analyzes the song inclusions in the tales of Forest Yukaghirs, the content of such pieces, their purposes, and origin. Song segments are found in animal tales, including mythological ones, fairy tales about a Fabulous Old Man-eater, and everyday fairy tales. The song inclusions mostly convey the monological speech of the characters and include lexical repetitions. The song inclusions considered are mainly the magical appeal of one hero to another, a personal story, or a real personal situation. Some of them can be characterized as personal songs. Characters endowed with supernatural powers use the song as a magical ritual. These characters include heroes with shamanic powers and the ogre giant, the Fabulous Old Man. The magical potential of the song, aimed at summoning and embodying something, can also be evoked by ordinary people, even unintentionally. Songs-appeals of some characters to others are performed in magical situations, facilitating their manifestation. The fairy tales provide indirect indications of the shamanic power of the singing characters. Alternatively, the songs addressed to other persons can be performed by ordinary characters, usually represented by animals. Songs as personal narratives or real personal situations can be found mainly in the tales about animals. The song inclusions are based on the representations of shamanic activity, magical abilities, and the song type of storytelling, as evidenced by the existence of both non-fairy and fairy tale Yukaghir prose.
Creolization as a genre-forming feature of the texts of natural written speech (a case study of a girl’s album genre)
Authors:   Kemerovo State University, Rabenko Tatyana G. , Gorovaya Yana O. ,   Kemerovo State University
Published: June 2023

The paper aims at studying the external (technical) aspect of natural written speech text as a characteristic contributing to the materialization of the text as a sign and, at the same time, to its genre identification. The analysis of a girl’s diary genre reveals the heuristic possibilities of creolization as a genre-relevant property of the formal organization of the text, with its texture synthesized by various semiotic systems. Given the relationship between the graphematic means and the codes of other semiotic systems, two types of texts are identified. These are (1) partially creolized texts with autosemantic relations between the verbal and visual components based on the autonomy of structural elements of the text and (2) completely creolized texts with synsemantic relations between the graphematic means and the elements of other semiotic systems. The functions of a girl’s diary as a creolized text are determined: presentational function, contributing to the author’s self-expression; axiological function, aimed at representing the value dominants of a teenage girl; and gaming, determined by the phatic and dialogical components of the text. The combinations of elements of various semiotic systems contributing to the creation of substantial metagraphemics of the text are investigated. Graphematic means are seen to synthesize with various elements of supragraphemics, making it possible to transform the text contents (variation of font, intensity of graphemes); topographemics, associated with the planar variation of the text (paper constructions that change the spatial design of the text); and chromographemics, associated with the color design of the text.
The image of Amyr-Sana in the enclave tradition of Tuvans of China according to modern records
Authors:   Institute of Philology of the Siberian Branch of the Russian Academy of Sciences, Yusha Zhanna M.
Published: June 2023

In the modern enclave tradition of Chinese Tuvans, a layer of oral stories dedicated to Amyr-San has been revealed. The narratives on this topic are still alive in the memory of young and elderly people, showing the continuity of folklore and the stability of historical memory. The collected materials of recent years indicate that compared to the maternal field, the image of Amyr-Sana among Chinese Tuvans is represented by various variants, showing his folklore image to be rather contradictory. On the one hand, the image of Amyr-Sana in the folklore of Chinese Tuvans embodies faith in freedom and independence. He is regarded as an epic hero, a Tuvinian, a founder of archery competition Tuvans. On the other hand, Amyr-Sana can be negatively characterized as a cowardly person, a khan who was defeated and wanted to become the ruler of the Tuvans. One of the specific features in the plot situation: “Amyr-Sana wants to become the ruler of Tuvans” has been found to be the obligatory presence of a poetic triplet/couplet conveying the essence of the main theme. It has been revealed that the departure and return of Amyr-Sana feature two stable motives expressing the idea of Amyr-Sana’s return to his native lands in a difficult time for the people. The fieldwork allowed us to establish that numerous respondents nowadays believe and wait for the return of Amyr-Sana, a striking indicator of the preservation of historical memory.