bluuebunny/crossref_metadata_2025 huggingface dataset:
Kosmeseutikal dengan Zat Aktif dalam Sistem Liposom
Authors: Darajat Nur Zakiyah , Chaerunnisa Anis Yohana , Abdassah Marline
Published: March 2023

Cosmeceutical Â with Active Substances in the Liposomal System
Kosmeseutikal merupakan produk kosmetika yang mengandung bahan aktif biologis yang memiliki manfaat terapeutik pada permukaan yang diterapkan. Sistem liposom dalam sediaan kosmeseutikal berguna untuk mempermudah penetrasi zat aktif sediaan ke dalam kulit, sehingga telah banyak pengembangan formulasi kosmeseutikal dengan sistem liposom. Sediaan kosmeseutikal yang paling umum digunakan dalam bentuk semi padat seperti gel dan krim. Review artikel ini bertujuan untuk menjelaskan produk kosmeseutikal yang dapat digunakan dalam sistem liposom. Implikasi review artikel ini penting untuk kosmeseutikal yang mengandung zat aktif dalam sistem liposom. Pembuatan review artikel ini menggunakan jurnal yang diakses melalui Google Scholar, NCBI, dan Science Direct yang terpublikasi dalam 10 tahun terakhir. Bentuk sediaan yang dapat digunakan sebagai kosmeseutikal dalam sistem liposom berdasarkan dari hasil pencarian beberapa jurnal dan artikel antara lain krim, gel, dan serum. Dari beberapa bentuk sediaan tersebut, terdapat kelebihan dan kekurangan masing-masing sehingga pemilihan bentuk sediaan untuk produk kosmeseutikal dalam sistem liposom dapat digunakan dengan menyesuaikan kebutuhan dan tujuan produk tersebut.
Peningkatan Keterampilan Dasar Laboratorium Kimia Teknik melalui Praktikum Mandiri Berbantukan Media Laboratorium Virtual di Masa Pandemi Convid 19
Authors: Elisa Edi , Zurweni Zurweni , Wiratmaja I Gede , Nugraha I Nyoman Pasek , Widayana Gede
Published: March 2023

[Improving the Basic Skills of Chemical Engineering Laboratories through Independent Practicum Assisted Using Virtual Laboratory Media during the Convid 19 Pandemic]
Tujuan penelitian ini yaitu untuk mengembangkan dan mengetahui efektivitas media pembelajaran laboratorium virtual kimia teknik dalam upaya meningkatkan keterampilan dasar laboratorium mahasiswa pada saat belajar mandiri dirumah selama pandemi covid 19. Jenis penelitian yang digunakan termasuk kedalam penelitian tindakan dengan tahap penelitian seperti yang dikemukakan oleh (Susman & Evered, 1978) yang terdiri dari 5 tahap penelitian yang berbentuk siklus. Yang menjadi subjek penelitian yaitu mahasiswa S1 disalah satu program studi di Undiksha yang mengambil mata kuliah kimia teknik. Pengumpulan data dilakukan melalui observasi dan wawancara dengan menggunakan instrumen lembar pengamatan keterampilan dasar laboratorium kimia teknik. Data kuantitatif dan kualitatif dianalisis dengan metode Â mixed method menggunakan desain explanatory. Berdasarkan hasil penelitian, dapat diketahui bahwa pada siklus ke 2 mahasiswa telah mampu menunjukkan keterampilan dasar laboratorium kimia teknik setelah melaksanakan praktikum secara mandiri menggunakan laboratorium virtual kimia teknik yang telah dikembangkan. Peningkatan keterampilan dasar laboratorium kimia dapat diketahui terjadi pada setiap aspek keterampilan dasar laboratorium berdasarkan hasil pengamatan.
La Agricultura y su incidencia en la Seguridad y la Soberanía Alimentaria. Una revisión
Authors: Fonseca - Carreño Nelson Enrique , Bossa - Pabon Karen Alexandra
Published: March 2023

Una de las problemáticas para la preservación de la vida humana es la mitigación del hambre a nivel mundial, conllevando un sinnúmero de esfuerzos que se asumen como retos que aún están sin resolver. Desde esta perspectiva es posible establecer un análisis sobre las diferentes políticas agrícolas que llevan a cabo las sociedades por medio de las cuales es posible garantizar una seguridad alimentaria que permita tener acceso a los alimentos de manera continua. El objetivo de esta investigación parte de una revisión bibliográfica que buscó generar un estado de arte sobre la incidencia de ciertas políticas agrícolas sobre la seguridad y la soberanía alimentaria de las naciones. El método consistió en explorar en diferentes portales académicos, textos relacionados con los conceptos de seguridad, soberanía alimentaria y agricultura, las cuales sirvieron como términos claves para lograr identificarlos y definir así su análisis conceptual. Dentro de los hallazgos se encontraron documentos afines a la temática propuesta, los cuales evidencian coincidencias sobre la necesidad de definir políticas agrícolas por parte de los estados (incluido el Colombiano) enfocadas hacia el uso adecuado de la tierra y el planteamiento de acciones encaminadas hacia la erradicación del hambre, las cuales pueden contribuir eficientemente a garantizar una seguridad alimentaria para la población, así como una soberanía que le brinde herramientas a los estados para definir libremente las acciones que se pueden llevar a cabo para cumplir con el objetivo mundial de la reducción de hambre
Las familias elites: política y empresarial transgeneracional en Ocaña y Cúcuta –Norte de Santander
Authors: Jiménez - Rodríguez Luís Alfredo , Duarte - Barbosa Edna Yisney , Franco - Jácome Sharon Daniela , Gamboa -Suarez Ramiro
Published: March 2023

Objetivo: En este manuscrito se hace una revisión general de las familias elites empresariales transgeneracional y sobre la política pública en Ocaña y Cúcuta; élites económicas; y grupos de interés organizados, de masas u orientados a los negocios. Método se realiza una revisión sistemática se ordenó la información con la opción de documentos más actuales a los más antiguos de tal manera se dio prioridad a la información reciente como familias elites, transgeneracional, política, elitismo empírico, elitismo normativo, se desarrolló basado en una muestra de 25 artículos científicos en diferentes revistas como Dialnet, SciELO, Scopus, Springer Open, IOP Science. Resultados Se describen tradiciones y se caracterizan la política Norte Santandereana y sus familias elites de las ciudades de Ocaña y Cúcuta, determinando diferentes predicciones sobre qué conjuntos de actores tienen cuánta influencia de gran parte de la investigación empírica habla de la influencia política de uno u otro conjunto de personajes, además el análisis multivariado indica que las élites económicas y los grupos organizados que representan los intereses comerciales tienen un impacto independiente sustancial en la política del gobierno de Norte de Santander-Colombia, Conclusiones. Se revisó que existe una desaparición de las familias elites, que se encuentran son nuevos actores tanto en lo empresarial como en la política, destacándose una renovación pero un desfallecimiento trasngeneracional de la familias tradicionales.
Risk identification method of electricity charge recovery for special transformer users based on Stacking model fusion
Authors: Zhang Xixiang , Meng Qi , Yang Jun
Published: March 2023

In view of the current risks faced by electric power companies in the
recovery of special transformer users’ electricity bills, a special
transformer users’ electricity bill recovery based on Stacking model
fusion is proposed Collect risk identification methods. Carry out
feature processing, feature construction and feature screening for
special transformer user data, and optimize the model from sample
distribution and feature attributesThe generalization performance of;
The Stacking model is used to fuse multiple base learners to build a
risk identification model for electricity fee recovery of special
transformer users. The experimental results show that the phaseCompared
with other commonly used classification algorithms, the proposed method
has better accuracy, recall, P-R harmonic mean, AUC value and model
generalization performance,The recognition rate of users with special
transformer risk is also higher.
Unusual Relapse of Low Hypodiploid Acute Lymphoblastic Leukaemia in a Family with Li-Fraumeni Syndrome
Authors: van-Delft Frederik , Bailey Simon , Pearce Kate , Martin Richard , Skinner Roderick , Shenton Geoff , Carey Peter , campbell-hewson quentin , Hale Juliet , mcdonald leigh , robinson katrina , cuthbert gavin
Published: March 2023

This brief report describes the importance of close discussion between
clinicians and scientists and progress in leukaemia genetic work-up to
deliver optimal treatment to a girl with 2 episodes of childhood Acute
Lymphoblastic Leukaemia. At initial presentation, limited cytogenetic
analyses did not identify any recurrent genetic abnormalities and the
patient was subsequently treated according to NCI risk criteria on
regimen A of UKALL2003. Nine years later, she presented with low
hypodiploid ALL which was associated with genetically confirmed
Li-Fraumeni Syndrome. Genetic backtracking established late relapse of
the initial ALL which was instrumental in informing treatment decisions.
Research Article Downregulation of host NOLC1 protein during influenza A virus H1N1 infection negatively affects virus replication
Authors: Wang Jingyu , Du Yalan , Wang Bo , Zhang Xinlu , Zhou Changbo , Liu Meichen , Yi Wenfu , Huo Yapeng , Liu Hongsheng , Ma Hongbin , Zheng Fangliang , Zhu Chunyu
Published: March 2023

Introduction: The influenza A virus nonstructural protein NS1 is crucial
for the virus infection process. By interacting with various host RNAs
or proteins, NS1 regulates both host and viral activities. Nucleolar and
coiled-body phosphoprotein 1 (NOLC1), a protein involved in cell cycle
regulation, may be involved in host viral resistance. The purpose of
this study was to elucidate the changes in host NOLC1 during virus
infection and the effect of these changes on virviral replication.
Methods: We used co-immunoprecipitation to confirm that H1N1 NS1 can
interact with NOLC1 in host cells. Results: We found that the D125 and
R200 residues in H1N1 NS1 are crucial for the interaction. Real-time PCR
and western blotting revealed changes in host NOLC1 during viral
infection. Constructing a lentiviral vector, and then overexpressing and
knocking down NOLC1 in A549 cells, enabled us to demonstrate how
NOLC1 affects viral replication. We found that H1N1 NS1 interacts with
host NOLC1 and that NOLC1 is inhibited during H1N1 infection. In
NOLC1-knockdown A549 cells, viral replication was inhibited.
Conclusion: The current study revealed that viral replication is
negatively affected by a decrease in NOLC1 level in host cells. This
research lays the foundation for a deeper comprehension of the
mechanisms underlying the complex host–influenza virus interactions, as
well as for the prevention and management of influenza viruses.
An artificial intelligence approach for identification of microalgae cultures.
Authors: Berenguel Pablo Otálora , Guzmán José Luis , Acién Gabriel , Berenguel Manuel , Reul Andreas
Published: March 2023

In this work, a model for the characterization of microalgae cultures
based on artificial neural networks has been developed. Data acquisition
has been performed using FlowCam, a device capable of capturing images
of the cells detected in a culture sample, which are used as inputs by
the model. The model can distinguish between 6 different genera of
microalgae, having been trained with several species of each genus. It
was further complemented with a classification threshold to discard
unwanted objects while improving the overall accuracy of the model. The
results demonstrate the accuracy of the Deep Learning models for the
characterization of microalgae cultures, it being a useful tool for the
monitoring of microalgae cultures in large-scale production facilities.
Efficacy and safety of sedation with dexmedetomidine in adults undergoing gastrointestinal endoscopic procedures
Authors: Tang Rou , Huang Yaqun , Zhang Yujia , Ma Xiaolei , Yu Haoyang , Song Kaichao , Ren Ling , Zhao Bin , Wang Lulu , zheng Wensheng
Published: March 2023

Background and aim: The sedative role of dexmedetomidine (DEX) in
gastrointestinal endoscopic procedures is unclear, highlighting the need
to compare DEX with conventional sedatives for a full evaluation. We
performed this systematic review and meta-analysis to assess the
efficacy and safety of sedation with DEX alone or in combination during
gastrointestinal endoscopic procedures with a view to providing guidance
for clinical application. Methods: The PubMed, Embase, Cochrane Library,
Web of Science, and ClinicalTrials.gov databases were searched for
randomized controlled trials from inception to July 1, 2022.
Standardized mean difference and weighted mean difference with 95%
confidence interval or pooled risk ratios with 95% CI was used for
continuous outcomes or dichotomous outcomes, respectively, and a
random-effect model was selected regardless of the significance of the
heterogeneity. Results: Forty-one studies with 3,015 patients were
assessed, of which 1,363 patients were in the DEX group and 1,652
patients were in the control (without DEX) group. We found that DEX
administration decreased the risk of body movements or gagging, hypoxia,
and cough, reduced the additional requirement for other sedatives, and
increased the endoscopist satisfaction level, however, induction time,
and risk of bradycardia, and without statistical differences in RSS
score, patient satisfaction level, recovery time, hypotension, nausea,
and vomiting. Conclusion: DEX may benefit patients undergoing
gastrointestinal endoscopic procedures in some clinical outcomes, whilst
some potential disadvantages also exist. Remarkably, DEX was
non-inferior to midazolam and propofol in terms of sedation level. In
conclusion, DEX is an alternative option for sedation in
gastrointestinal endoscopic procedures.
Effect of SHR0302 on the Pharmacokinetics of CYP3A4, CYP2C8, CYP2C9, and CYP2C19 Probe Substrates in Healthy Volunteers: A Cocktail Analysis
Authors: Fu Meng , Luo Lin , Feng Sheng , Lin Hongda , Lu Zekun , Gu Fei , Fan Yang , Wu Bing , Huang Jianying , Shen Kai
Published: March 2023

Aim: This study evaluated the effects of SHR0302 on the pharmacokinetics
of cytochrome P450 (CYP) probe substrates. Methods: We performed a
single-center, open-label, three-period drug-drug interaction (DDI)
study in 24 healthy subjects (NCT05392127). Subjects received a single
oral dose of 5 mg warfarin (CYP2C9), 20 mg omeprazole (CYP2C19), and 15
mg midazolam (CYP3A4) on day 1, 8, and 22, and received 0.5 mg
repaglinide (CYP2C8) on day 7, 14, and 28. Multiple oral doses of 8 mg
SHR0302 were administered once daily from day 8 to day 28. Results: The
exposure of S-warfarin and repaglinide were comparable before and after
SHR0302 administration. AUC of midazolam was not affected by SHR0302,
whereas the administration of SHR0302 slightly decreased the Cmax of
midazolam by 7.6% (single dose) and 15.7% (once daily for 14 days).
The AUC0-t, AUC0-inf, and Cmax of omeprazole were slightly decreased
after a single dose of SHR0302 by 19.2%, 21.8%, and 23.5%,
respectively. In the presence of SHR0302 for 14 days, the AUC0-t,
AUC0-inf, and Cmax of omeprazole were marginally reduced by 3.0%,
16.4%, and 8.3%, respectively. According to the induction mechanism of
the CYP enzyme, for the investigation of the induction effect, the
results of multiple administration of the perpetrator were more reliable
than those of the single dose. Conclusion: The results demonstrated that
co-administration of SHR0302 is unlikely to have a clinically meaningful
effect on the exposure of drugs metabolized by CYP3A4, CYP2C8, CYP2C9,
and CYP2C19 in healthy subjects.
Optimal treatment of biatrial tachycardia diagnosed by one-chamber mapping within an ultrahigh-resolution mapping system
Authors: Yamashita Kennosuke , Mizuno Yosuke , Kumazawa Daiki , Maeda Manabu , Onodera Kosuke , Nomura Takehiro
Published: March 2023

Biatrial tachycardia (BiAT) is a rare arrhythmia, and identification of
the re-entry circuit is often complicated. By
creating an activation map of the right atrium, left atrium, and
coronary sinus as a single chamber, the Lumipoint module of the Rhythmia
mapping system can be used in real time to make an accurate diagnosis.
Ablation of the Bachmann bundle is a feasible way to
terminate BiAT, but might cause interatrial conduction delay and
electrical isolation of the left atrial appendage. Chemical ablation
into the vein of Marshall might be the more beneficial treatment,
avoiding any potential interatrial conduction delay.
DNA metabarcoding analysis discloses important roles and links in the seabird's trophic network of the Eastern Tropical Atlantic
Authors: Carreiro Ana Rita , Ramos Jaime , Mata Vanessa , Almeida Nathalie , Rodrigues Isabel , Santos Ivo dos , Matos Diana , Araújo Pedro , Saldanha Sarah , Dinis Herculano , Leal Andreia , Medrano Fernando , Militão Teresa , Gonzales-Solis Jacob , Paiva Vitor , Lopes Ricardo
Published: March 2023

Predator-prey interactions provide key information on the role of each
species in the community and an overall assessment of the stability of
food webs. DNA metabarcoding has the potential to provide highly
informative data which substantially enhance trophic interactions
analysis, by providing higher taxonomic detail compared to earlier
methods. Here we show, using the Cabo Verde seabird community, that the
integrated analysis of trophic networks based on DNA metabarcoding of
faecal samples can increase considerably our understanding of the
trophic interactions in whole communities. Results revealed that these
seabird species prey mostly on fish, with most seabirds relying heavily
on very few prey species, which are also targeted by fisheries. This
community shows high specialization and modularity levels, i.e., is
dominated by seabird species with specialized diets. Such network
structure has implications for its management and conservation because
specialist predators are especially vulnerable to prey depletion. The
Cape Verde shearwater (Calonectris edwardsii), identified as the
main network connector species, was confirmed to be a suitable sentinel
species of changes in this marine food web. Our results clearly show
that network analysis can be used effectively to maximize the potential
of DNA metabarcoding in studying trophic interactions of complex
communities.
Anti-infective prescribing practices in critically ill children on continuous renal replacement therapy: a multicenter survey of French-speaking countries
Authors: THY Michael , Naudin Jerome , Genuini Mathieu , Leteurtre Stephane , Recher Morgan , Oualha Mehdi
Published: March 2023

Background Use of continuous renal replacement therapy (CRRT)
in children receiving anti-infective drugs may lead to inappropriate
concentrations with risks of treatment failure, toxicity and emergence
of multidrug-resistant bacteria. We aimed to describe anti-infective
prescribing practices in critically ill children undergoing CRRT.
Methods An online survey to assess CRRT, anti-infective
prescribing and therapeutic drug monitoring (TDM) practices was sent by
e-mail to physicians working in pediatric intensive care units (PICUs)
through the French-speaking Group of Pediatric Intensive Care and
Emergency medicine (GFRUP). Results From April 1st 2021 to May
1st 2021, 26/40 different PICUs participated in the survey,
corresponding to a response rate of 65%. Twenty-one were located in
France and five abroad. All PICU practiced CRRT mainly with Prismaflex™
System. Anti-infective prescriptions were adjusted to the presence of
CRRT in 23 (88%) PICUs mainly according to the molecular weight in 6
(23%), the molecule protein binding in 6 (23%) and the elimination
routes in 15 (58%) including the residual diuresis in 9 (35%), to the
CRRT flow in 6 (23%) and to the modality of CRRT used in 15 (58%),
PICUs. There was a wide variability noticed between PICUs and between
physicians in the same unit. Barriers to TDM were mainly an excessive
delay in obtaining results in 11 (42%) and the lack of an on-site
laboratory in 8 (31%) PICUs. Conclusions Our survey reported
wide variability in anti-infective prescribing practices in children
undergoing CRRT highlighting the gap in the knowledge and the need for
education and recommendations
Fault line selection algorithm for distribution networks based on improved EWT and GIN network
Authors: Hou Sizu , Xu Yan , Lu Tong
Published: March 2023

When a single-phase grounding fault occurs in a power distribution
system, the fault characteristics are not prominent and are easily
drowned out by noise, making fault line selection difficult. A fault
line selection method based on improved empirical wavelet transform
(EWT) and GIN network is proposed to solve this problem. Firstly, EWT is
optimized using kurtosis as the basis and N-point search method. EWT
decomposes the electrical signal into a series of modal components, and
noise is filtered out by weighted permutation entropy to reconstruct the
signal, obtaining a denoised electrical signal. Then, according to the
topology of the power distribution network, a corresponding graph
structure is constructed. The Mahalanobis distance between each point
and the overall structure in the denoised electrical signal is
calculated and used as the input to each node in the GIN network.
Finally, the GIN network autonomously mines the characteristics of each
graph structure, performs graph classification, and realizes fault line
selection. Experimental results show that the proposed method has a
solid anti-noise ability and an accuracy of up to 99.95%, effectively
completing fault line selection in power distribution networks.
Clinical characteristics, treatment, and survival outcome of ependymoma in infants
Authors: Yu Xin-Guang , Yu Qi-Shuai , Yin Yi-Heng
Published: March 2023

Objectives: The treatment modalities of ependymoma in infants
remains controversial. Postoperative adjuvant radiotherapy (RT) could
prolong the overall survival but has the potential to affecting nervous
system development in infants. The role of adjuvant chemotherapy (CT) in
prolonging overall survival for infants with ependymoma is still
unclear. Therefore, we designed this study to explore the effect of
treatment modalities on survival time of infants with ependymoma.
Methods: A total of 72 infants with ependymoma from the
Surveillance, Epidemiology, and End Results (SEER) database in this
retrospective analysis. Univariate and multivariate Cox proportional
hazard models were adopted to determine hazard ratios and to compare
overall survival. Results: Among 72 infants with ependymoma, 35
were male (48.6%) and 37 were female (51.4%). The 5-year overall
survival of all patients was 67.0%. 46 infants (63.9%) received gross
total resection (GTR), 20 (27.8%) received subtotal resection (STR),
and 6 (8.3%) did not receive surgical resection or only autopsy. 21
infants (29.2%) received RT, and 45 (62.5%) received CT. Multivariate
analysis revealed that patients accepted surgical resection (No vs GTR,
P < 0.001; No vs STR, P = 0.026) and chemotherapy (No vs Yes,
P = 0.024) are the independent prognostic factors for overall survival.
Conclusion: Treatment modality is associated with survival time
in infants with ependymoma. The extent of resection and CT were
independent prognostic factors for infants with ependymoma.
Revisión sistemática sobre consideraciones teóricas para la transformación de universidades en organizaciones de aprendizaje
Authors: Obermeier Pérez Martha Lorena
Published: March 2023

El objetivo de este artículo teórico es realizar una propuesta para el mejoramiento de las estructuras de la educación superior. Ciertas dinámicas aceptadas en las instituciones educativas dificultan la productividad, la transformación y el crecimiento. Los resultados de esta revisión sistemática crítica proponen la aplicación del concepto de organizaciones inteligentes a las instituciones educativas. Este tipo de revisión crítica contempla referencias reconocidas en el tema que traen consigo aspectos conceptuales para desarrollar una teoría o modelo. Para la transformación de las instituciones, se sugieren procesos para la reestructuración de los modelos educativos. Igualmente, se propone la mejora del ambiente institucional mediante el desarrollo de habilidades de liderazgo, el empoderamiento docente y la apertura al cambio. La propuesta de cambio se enfoca en el desarrollo personal de los docentes, alumnos y las estructuras institucionales para desarrollar una actitud abierta al cambio y al aprendizaje.
Maintaining the Reliability of Production Facilities in Operation Management of Upstream Oil and Gas Industries: Case Study at GNK Gas Compression Station PT. PEP ZONA 4
Authors: Asihono Panglima Machmud Subarkah , Mulyono Nur Budi
Published: March 2023

PT PEP as an upstream energy company has the vision to become a world-class energy company. It has a mission to run oil, gas, and new and renewable energy businesses in an integrated manner, based on strong commercial principles. GNK Gas Compression Station is one of the production facilities incorporated in the work area of PT PEP where the station receives gas from GNK 3 Block Station, GNK 2 Block Station, and GNK 1 Block Station.GNK Gas Compression Station consists of several pieces of production equipment which is aging facilities with a minimalist design that adapts to the needs of the field at the time of initial construction. Production transportation from several Gathering Stations to GNK uses a trunkline pipe that is not yet equipped with a Pigging Facility. The problem that occurs is that the compressor unit that is operated suddenly shut down. In the operation report, it was found that several times liquid had entered the gas compressor unit which caused an unplanned shutdown. The gas compressor disruption incident resulted in the potential for lost production (LPO) which affected the reduced reliability value of production facilities targeted in the Key Performance Index (KPI) Manager of 97.59%, where the monthly achievement was still below the target in 2022. Given the importance of a concise structured process to effectively achieve the research objectives, the researcher will follow the conceptual framework that has been built. Quantitative data is obtained from existing data within the company, while qualitative data is obtained from brainstorming. After collecting all the necessary information and data, further analysis will be carried out according to the conceptual framework. To ensure a valid and reliable recommended operations management strategy that addresses the research objectives and objectives, there will be a technical analysis of mathematical model studies using several proven tools for business strategy.
Exploring Relations between Art Pedagogy, Society and Industry during the First Years of the Bauhaus
Authors: Amorós Hormazábal Raúl Armando
Published: March 2023

The purpose of this research is to analyze pedagogical experiences and theories of Bauhaus during Weimar’s period and the consequential impact on today’s art education. The results are presented as a useful tool to understand the different processes of art education. In this sense, the Bauhaus school is a model for further analysis. From Itten’s Preliminary Course to Kandinsky’s theories, the early years of the school were innovative and retain interesting relationships with experiences of the previous century in relation to industry, craftsmanship and society.
The Personality Predictors of Art Preferences in Children
Authors: KV Lilly , Venukapalli Sudhakar
Published: March 2023

Art has been considered as a means of enriching oneself with values, transferring socio-cultural experience and traditions. Children articulate their wonder and excitement while engaging with an artwork and it is evident through their spontaneous responses. Aesthetic experience is regarded as fundamental to human existence. Experiencing and enjoying artworks help children to encounter diversities and prepare them for a facing challenge in life. The objective of the present quantitative study is to explore the relation between personality traits and art appreciation of children. The sample constituted sixty children of grade IX from the state of Telangana. The number of boys and girls participated in the study from rural and urban backgrounds are equal and children are in the age group of 13-15 years. Children’s artistic preferences are measured by showing 48 images of artworks of two dimensions: ‘abstractedness’ and ‘complexity’. The ‘abstractedness’ dimension include representational/realistic, semi-representational and highly abstract artworks and the ‘complexity’ dimension encompass low complexity, medium complexity, and high complexity artworks. Each group has four types of paintings: landscape, portrait, still life and animal representations. The results of analysis of the relation between children’s personality traits and their art preferences using Pearson product-moment correlation coefficient (r) reveals that Agreeableness and Conscientiousness is moderately positively correlated with the perceived attractiveness of abstract paintings which is statistically significant. The results do not show any statistically significant correlation between Openness to Experience and perceived attractiveness for abstract artworks. Further, there exists a low negative correlation between Neuroticism and perceived attractiveness for abstract artworks which is statistically significant. There are no significant correlations between children’s personality traits and perceived attractiveness for Realistic, High Complexity and Low Complexity artworks. The research findings are an indication for teachers to better design their classroom activities for enriching the lives of children.
Forecast of tectonic disturbances zones in coal layers
Authors: Baranov V.A. , Pashchenko P.S. , Stefanko S.V.
Published: March 2023

This paper considers the problem of identifying geological disturbances that are ubiqu-itous in rocks. The purpose of the work is to test the methodology for identifying tectonic faults and their geometric parameters in coal seams. The article presents the results of the analysis of the accumulated information concerning the study of the microstructure of coal — quasicrystals, which are a consequence of tectonic stresses. Their quantitative characteristics are used to predict dynamic and gas-dynamic phenomena in coal mines, disturbed zones and subzones. Employees of the IGTM NAS of Ukraine carried out studies of the structure of coal in the place of the recorded gas-dynamic phenomenon at one of the mines of Donbass; selected, prepared and studied coal samples using optical microscopy; presented the graphical results of the volumetric allocation of plicative disturbance in the outburst zone of the coal seam and the results of measurements of the strength of the coal; determined the relationship between the strength properties of the coal seam and its microstructural features; established the geometric parameters of the plicative disturbance and made a prediction of the development of the disturbance under these conditions. The results obtained show the effectiveness of the applied methodology, allow increasing the safety of mining operations in coal mines, by predicting the development of geological disturbances invisible to the naked eye and preventing gas-dynamic phenomena. The results obtained are further evidence of the confinement of dynamic, gas-dynamic and thermal phenomena to disturbed zones and the existing relevance of their identification by modern methods.
Article 2. Structural position of suites and strata of the “Bug series”
Authors: Kyrylyuk V.P.
Published: March 2023

The name “Bug Series” was introduced into the Precambrian stratigraphic scheme of the Ukrainian Shield more than half a century ago. During this period, ideas about the composition and age of the series changed several times, but at the same time, until recently, the opinion of various studies about its stratigenic nature remained unchanged. In recent years, a number of publications have appeared in which other views on the origin of the “Bug series” are expressed. Initially, they concerned only individual petrographic groups, such as carbonate and magnetite-bearing rocks, which were attributed to endogenous (magmatic) origin. Later, an opinion was expressed about the nonstratigenic origin of the entire “Bug Series”, and some authors propose to abandon the dismemberment of the Early Precambrian granulite complexes into suites altogether. These ideas are based only on the materials of the study of local objects obtained by drilling and geophysical methods, and they do not take into account the results of regional geological and stratigraphic studies. Simultaneously with new ideas about the genesis of the “Bug series”, an attempt is being made to link its origin with faults and to revise its age.

In order to discuss the problem of the “Bug series”, a series of publications has been prepared, presenting the main generalizations of many years of regional geological and thematic studies on the composition, structure, stratigraphic and structural position of the units belonging to the “Bug series”. The cycle consists of three separate articles. The first article characterizes the composition of subdivisions and rock associations included in the “Bug series” in the current Precambrian stratigraphic scheme of the Ukrainian Shield. In this second article of the cycle, ideas about the structural position of the “Bug series” and its subdivisions are considered. For a long time there was an opinion that the “Bug series” performed synclines “superimposed” on the ancient foundation. These ideas we-re convincingly refuted more than half a century ago on the example of the stratotype section of the Bug series in the area of Zavallia [Vinogradov, 1970], but sometimes some researchers still adhere to them. The data presented in this article indicate that all units that now belong to the “Bug series” are suites and strata that are part of a single Bug Area granulite complex and occupy a clearly defined stratigraphic and structural position in its section. Ideas about the connection of the “Bug series” with “superimposed” synclines or faults do not have any reliable justification.
Donbas conductivity anomaly in the Karpinsky Swell
Authors: Rokityansky I.I. , Tereshyn A.V.
Published: March 2023

Donbas Foldbelt (DF) and Karpinsky Swell (KS) are contiguous parts of a system of elongated sedimentary basins forming lineament from Poland through Pripyat Trough in Belarus, the Dnieper-Donets Basin (DDB) and DF in Ukraine, KS in Russia, across the Caspian Sea, through Mangyshlak in Turanian plate in Asia. In DF, the Mesozoic-Cenozoic sediments were raised, and subsequent erosion exposed the Carboniferous coal-bearing strata. In contrast to DF, the Paleozoic rocks in KS are covered by 1—3 km thick sediments of Mesozoic-Cenozoic age; productive structures of the earlier age cannot be confidently studied in KS by geological methods. So, geophysical methods are the promising approach for the KS deep structure studies.
This work is devoted to electromagnetic (EM) studies of the electrical conductivity of rocks by the methods of magnetic variation profiling (MVP) and magnetotelluric sounding (MTS). Previously [Rokityansky, Tereshyn, 2022], we described the results of the EM research on DF in detail. MVP reveals the intense Donbas electrical Conductivity Anomaly (DCA) running along the main anticline of the folded Donbas. DCA parameters: maximum possible depth of the anomalous currents center h=18±2 km. Frequency response maximum Т0≈3600 s yields the total longitudinal conductance G=(8±2)∙108 S∙m. 70 MTS at periods 0.1—3000 s yield two conductive stripes, with the upper edge varying from 0.3 to 5 km. The stripes are parallel to the DCA axis and are considered as part of DCA. A very large value of G suggests that the anomalous body extends to some considerable depth. The DCA axis spatially coincides with an intense (up to 90 mW/m2) deep heat flow anomaly. Thus, the nature of the DCA lower part can be a partial melting. Theoretical estimates show that intense anomalous fields of geomagnetic variations arise over highly elongated conductors. Therefore, there is reason to expect that the anomaly continues eastward. We found two MTS profiles crossing the Karpinsky swell, and under both profiles strong conductivity anomalies are clearly seen. We re-interpreted original data and presented parameters of all 3 anomalies in an identical style. The main conclusion: the anomaly parameters on the three profiles are approximately the same, and one can assume with a high probability the existence of a single anomaly of electrical conductivity in the Donbas and Karpinsky Swell with a common length of more than 500 km and longitudinal conductance G≈8×108 S×m.
Magnetic susceptibility of the slope soils for predicting of agronomic characteristics
Authors: Kruglov O. , Menshov O. , Koliada V. , Shevchenko M. , Achasova A. , Nazarok P. , Andreeva O.
Published: March 2023

The article is related to the study of the localization of agronomic heterogeneities of the soil distributed on slopes. To study this important agricultural areas, we usedthe mathematical modeling of erosion processes and the survey of the magnetic susceptibility of the arable horizon of the soils. The experiment design includes the typical chernozemof the slope.The soil sampling was performed according to DSTU 4287:2004, determination of organic carbon content according to DSTU 4289:2004, and determination of statistical indicators using Statistica®. The visualization of the study results was carried out in the QGis software. Magnetic susceptibility (MS) was measured using a KLY-2 magnetometer. Modeling of soil erosion processes involved USLE universal soil loss equation. A 1:10,000 topographic map was adopted as the topographic basis. The research territory is the fields of the National Biotechnological University (V.V. Dokuchaev KhNAU) on the southern outskirts of the city of Kharkiv. The 70 soil samples were collected from the arable layer (horizon A). Due to the course of water erosion processes, a long-term soil washout and a widespread complex spatial complex of washed-out soils took place on the site, which is a typical case for eroded sloping lands of the Forest Steppe. In non-eroded watersheds (in the north-western direction), typical heavy loamy medium-humus chernozems are developed. Sampling was carried out using an irregular grid, the sampling density was about 5 samples per hectare.We detected that mathematical modeling of erosion processes can be used to predict the location of inhomogeneities in the agronomic properties of the ground cover of sloping lands. However, given the shortcomings of the main models of potential soil losses associated with the alternation of zones of erosion and deposition require to clarify and verify the obtained results. Hence, we propose to apply the statistical characteristics of the spatial distribution of values of the magnetic susceptibility of the soil. The most important parameters are the average values and coefficient of variation of MS.
Native aluminum as indicator of hydrogen degassing in the formation of hydrocarbon fields
Authors: Lukin A. , Koliabina I. , Shestopalov V. , Rud A.
Published: March 2023

This work considers the possibility of native aluminum transport with hydrogen fluid, its deposition and preservation in sedimentary rocks, as well as an assessment of the conditions under which this is possible. This problem is currently debatable and is considered in a number of publications. Native aluminum was found in different types of sedimentary rocks of oil-and-gas-bearing basins. So the presence of native aluminum spherulas was established in the dolomites of the Dnipro-Donetsk Basin. By the example of these findings this work shows that the necessary conditions for the formation and long-term preservation of native aluminum are: its migration with the hydrogen flow into the upper layers of the Earth’s crust, the creation of temperature and pressure conditions causing water to vaporize, and the formation of a protective film on the surface of the formed native aluminum. The process of native aluminum formation in the sedimentary rocks of oil-and-gas-bearing deposits of the Dnipro-Donetsk Rift described in this work, as well as its findings in other basins indicates the typical character of this process for rift structures of hydrocarbon accumulation. It was assumed, that the oil-and-gas-bearing structure of Dnipro-Donetsk Rift is mantle origin and represents a giant source of deep hydrogen. Some of this hydrogen is consumed to form hydrocarbon accumulations, including known oil and gas deposits, and some of it degasses into the uppermost layers of the Earth’s crust. Independent hydrogen fields can also form there, as was the case during the formation of the deposit of geological hydrogen in Mali. It was shown, that the presence of hydrocarbons in the fluids does not affect the processes associated with aluminum. The results obtained indicate significant flows of hydrogen from the mantle to the upper horizons of the Earth’s crust. Thus, native aluminum, as well as other native oxyphilic metals in sedimentary rocks of oil-and-gas bearing basins is a search marker of both hydrocarbon accumulations and the important role of deep geological hydrogen in the formation of these accumulations and its possible accumulation in the most reliable traps.
Contrasting lithospheric geophysical structure of the Black Sea subbasins: Relevance to testing geotectonic models for this mega depression
Authors: Rusakov O. , Starostenko V. , Pashkevich I. , Kutas R.
Published: March 2023

We present an integrated analysis of the geophysical parameters of the lithosphere of Black Sea basin obtained as a result of the interpretation of magnetic, gravity, thermal, deep seismic sounding and seismic-tomographic data. It first demonstrates inherent significant differences in geophysical parameters of lithosphere in the Western and Eastern Black Sea subbasins existing from the prerift stage. The set of reviewed parameters responsible for formation of the present-day lithosphere includes types of crust, depths to acoustic basement, configuration of subbasins, depths to Moho, heat flow and relief of the thermal-asthenosphere boundary (LAB), trends of main deep faults of the crystalline crust, their kinematic types, occurring linear magnetic anomalies, velocity pattern of subcrustal mantle. The above-mentioned parameters of the lithosphere are indicators of the age, geodynamics and driving mechanisms for opening of a subbasins. Oblique trends of the subbasins and the topography of Moho discontinuity in the west and east domains, oblique striking of pre-rifting Istanbul zone and the Shatsky Ridge and different trends of deep faults in the crystalline crust suggest distinct lithospheric structure existing from pre-opening of the Black Sea subbasins and different geodynamical conditions of its formation. The Odesa-Sinop-Ordu deep fault zone as a direct continuation of the Golovanivskaya suture zone of the Ukrainian shield and its slope, probably is of the Precambrian age. So it could be the tectonic boundary between two segments of pre-rift continental crust and between future subbasins. The examples illustrate how indicated parameters of the lithosphere can geophysically confirm the basic ideas of available models for geodynamics of the Black Sea.
Evolution of the composition of hydrothermal mineral-forming fluid of ore deposits in early Precambrian of the Ukrainian Shield
Authors: Fomin Yu.O. , Demikhov Yu.M. , Verkhovtsev V.G. , Pokalyuk V.V. , Buglak O.V. , Borisova N.M.
Published: March 2023

The aim of the study, the results of which are presented in this article, is to study changes in the composition of hydrothermal fluid ore systems of the early Precambrian on the example of gold and uranium ore deposits of the Ukrainian shield in connection with the evolution of exo- and endogenous processes in the outer shells of the Earth. The method used is a complex isotope-geochemical study of the composition of gas-liquid inclusions of hydrothermal fluid of ore systems. Based on experimental isotope-geochemical studies of the fluid of gas-liquid inclusions in the minerals of Precambrian deposits of uranium and gold of the Serednoprydniprovsky and Ingul megablocks of the Ukrainian Shield, a consistent change in the quantitative and isotopic composition of hydrothermal fluids of mineral formation from Mesoarchean to Paleoproterozoic was established. The content of H2O and CO2 was investigated and the isotopic composition of carbon CO2 fluids in quartz, pyrite, and feldspar were studied. The age range of the studied deposits is 3200—1750 million years. A decrease in the carbon dioxide content in the hydrothermal mineral-forming fluid of the Precambrian occurred in the Neoarchean, that is, before the Great Oxygen Event (Great Oxidation Event) — an increase in the oxygen content in the atmosphere in the Paleoproterozoic and is probably associated with the processes of exogenous and endogenous hydration of ultramafic rocks during the formation of the protocontinental crust. Molar fraction of CO2 in the mineral-forming fluid, in the Precambrian correlates to some extent with atmospheric pressure. The increase in the content of the carbon-12 isotope in the Paleoproterozoic in the mineral-forming fluid occurred due to the oxidation of organic matter with an increase in the oxygen content in the atmosphere.
Congratulations to Stella Borysivna Shehunova, the youngest academician of the Department of Earth Sciences of the National Academy of Sciences of Ukraine, on the occasion of her 60th anniversary
Authors: Starostenko V.
Published: March 2023

On January 1, 2023, Stella Borysivna Shekha Nova turned 60 years old! This is a respectable, but pleasant age for a person in general,including a woman, and especially for the most respected director of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine, who is most respected in terms of age and with an unusually high scientific authority!
Einfluss der Mikrohärte der Ober- flächenschutzschicht auf den Verschleiß und die Lebensdauer von elektrischen Kontakten bei Reibverschleißbelastung
Authors: Probst Roman , Song Jian
Published: March 2023

The lifetime of electrical contacts is influenced by various factors. Micromotions due to fluctuations in temperature and vibration in the field lead to fretting wear and fretting corrosion of electrical contacts. In case of the contacts with noble coatings, the fretting wear results in the wear through of the coating causing the exposure of the underlying non-noble metal to the surrounding atmosphere which in turn leads to fretting corrosion. These degradation mechanisms lead to an increase in electrical contact resistance and eventual failure of the system. In this study, the extent of contact degradation due to fretting war of galvanically silver-plated electrical contacts is investigated. To compare the extent of war occurring at different stages of the contacts’ lifetime, the fretting tests are conducted up to predefined fretting cycles. XRF measurements of the coating thickness before after the tests are performed and the wear depth after the given fretting cycles is determined via confocal microscopy. The results of two different types of silver plating are compared. Based on this, a prognosis regarding the wear behavior and expected lifetime of different coating systems can be made possible.