bluuebunny/crossref_metadata_2025_split huggingface dataset:
Easy way to produce iron-doped titania nanoparticles via the solid-state method and investigation their photocatalytic activity
Authors: Rosa Domenico , D’Agostino Francesca , Bavasso Irene , Bracciale Maria Paola , Di Palma Luca 
Published: January 2023

AbstractThis study focuses on the synthesis of iron-doped TiO2 nanoparticles “via solid-state” method, as an alternative to the more common doping strategies, with different iron content (0.5, 1.0, 1.5, and 2.0 wt%) using commercial titania Degussa P25 and TiO2 synthesized (sTiO2) via microemulsion method. The samples were characterized by SEM, BET, UV–Vis-DRS, and XRD. The photocatalytic activity was evaluated in terms of methylene blue (MB) degradation in aqueous solution under visible radiation (LED lamp 13 W) and under different conditions (pH, catalyst dosage, pollutant initial concentration, irradiance). The tests showed a big difference between sTiO2 and Degussa 25. The sTiO2 with an iron load of 1.0 wt% (1% Fe–TiO2) has been proven to be the best photocatalyst. This behavior is attributed to the Fe3+ species in sTiO2 crystal lattice whose presence decreases the bandgap.
Graphical abstract
Anisotropy of the bending strength of LaB6–W2B5 reactive hot-pressed ceramics
Authors: Nesmelov D. D. , Novoselov E. S. , Ordan’yan S. S. 
Published: January 2023

Refractory composite ceramic material in the LaB6–W2B5 system with a component ratio of 50 : 50 vol.% was obtained by reactive hot pressing in a graphite mold. A heterophase powder containing lanthanum hexaboride, metallic tungsten, and amorphous boron preliminarily ball-milled for 20 h with tungsten balls was used as the initial reaction mixture. The average particle size of the milled mixture was 2.9 μm. A relative density of 92 % was achieved at a temperature of 1800 °C with isothermal holding for 15 min at 30 MPa in an argon atmosphere. The structure and composition of the LaB6–W2B5 material were studied by X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The composition of the ceramics contained two phases – cubic LaB6 lanthanum hexaboride and hexagonal W2B5 tungsten pentaboride. The ceramic structure featured by ordered lamellar W2B5 particles in a LaB6 polycrystalline matrix. During the reactive hot pressing of the LaB6–W–B mixture, the predominant growth of W2B5 crystals along (101) atomic planes was observed. Resulting lamellar W2B5 particles were oriented in the LaB6 matrix perpendicular to the pressing load. Images obtained with electron microscopy were used for the three-dimensional visualization of the LaB6–W2B5 structure. Three-point bending tests were conducted on 3×3×30 mm samples. The dependence of bending strength on the direction of applied breaking load was established. When a breaking load was applied perpendicular to the surface of the lamellar W2B5 particles, the ultimate strength was 420 MPa, while when loaded along the plane of the particles, bending strength increases to 540 MPa. The anisotropy coefficient of ultimate strength was 0.78.
Air-thermal oxidation of diamond nanopowders obtained by the methods of mechanical grinding and detonation synthesis
Authors: Sharin P. P. , Sivtseva A. V. , Popov V. I. 
Published: January 2023

In this work, using the methods of X-ray phase analysis, transmission electron microscopy, X-ray photoelectron spectroscopy and Raman spectroscopy, the features of the impact of annealing in air within the temperature range of t = 200÷÷550 °C on the morphology, elemental and phase composition, chemical state and structure of primary particles of nanopowders obtained by grinding natural diamond and the method of detonation synthesis are studied. It is shown that heat treatment in air at given values of temperature and heating time does not affect the elemental composition and atomic structure of primary particles of nanopowders obtained both by the methods of detonation synthesis (DND) and natural diamond grinding (PND). Using XPS, Raman spectroscopy, and transmission electron microscopy, it has been found that annealing in air within the temperature range of 400–550 °C results in the effective removal of amorphous and graphite-like carbon atoms in the sp2- and sp3-states from diamond nanopowders by oxidation with atmospheric oxygen. In the original DND nanopowder, containing about 33.2 % of non-diamond carbon atoms of the total number of carbon atoms, after annealing for 5 h at a temperature of 550 °C, the relative number of nondiamond carbon atoms in the sp2-state decreased to ~21.4 %. In this case, the increase in the relative number of carbon atoms in the sp3-state (in the lattice of the diamond core) and in the composition of oxygen-containing functional groups ranged from ~39.8 % to ~46.5 % and from ~27 % to ~32.1 %, respectively. In the PND nanopowder, which prior to annealing contains about 10.6 % of non-diamond carbon atoms in the sp2-state of the total number of carbon atoms, after annealing under the same conditions as the DND nanopowder, their relative number decreased to 7.1 %. The relative number of carbon atoms in the sp3-state increased from 72.9 % to 82.1 %, and the proportion of carbon atoms in the composition of oxygen-containing functional groups also slightly increased from 10.2 % to 10.8 %. It is demonstrated that the annealing of PND and DND nanopowders in air leads to a change in their color, they become lighter as a result of oxidation of non-diamond carbon by atmospheric oxygen. The maximum effect is observed at a temperature of 550 °C and an annealing time of 5 h. In this case, the weight loss of PND and DND nanopowders after annealing was 5.37 % and 21.09 %, respectively. The significant weight loss of DND nanopowder compared to PND is primarily caused by the high content of non-diamond carbon in the initial state and the high surface energy of primary particles due to their small size.
OFICINAS PEDAGÓGICAS EM EDUCAÇÃO INCLUSIVA COMO DIREITO HUMANO: UMA PARCERIA COM A REDE MUNICIPAL DE BARBACENA
Authors: De Oliveira Marli Amélia Lucas , De Lourdes de Assis Santos Maria , Da Silva Carvalho Deise , Ketrin Pereira Krisnan , Lucas Pereira André 
Published: January 2023

Este trabalho é um relato de experiência de um projeto de extensão que teve por objetivo geral realizar oficinas pedagógicas por meio do Google Meet com os professores da educação básica e estudantes de cursos de licenciatura do IF Sudeste MG – campus Barbacena, tendo como tema a Educação Inclusiva como direito humano. O presente projeto foi desenvolvido em parceria com professores e profissionais da Educação Infantil e séries iniciais do Ensino Fundamental. Foram realizadas dez oficinas on-line, com duração de uma hora, ao longo dos meses de setembro, outubro e novembro do ano de 2021. Entende-se que a realização de oficinas pedagógicas teve papel fundamental para a formação inicial dos estudantes dos cursos de licenciatura e para a formação continuada de professores das escolas públicas e ao mesmo tempo ampliou o interesse e o conhecimento sobre o tema em questão. A realização das oficinas pedagógicas pretendeu contribuir para ações que tenham como pressuposto a partilha de perspectivas sobre como trabalhar para que a escola pública seja de fato inclusiva.
Palavras-chave: Educação Inclusiva. Oficinas Pedagógicas. Formação Inicial e Continuada.
Rupture Process of the 2017 Mw 5.5 Pohang, South Korea, Earthquake via an Empirical Green’s Function Method
Authors: Cho Eunbyeol , Woo Jeong-Ung , Rhie Junkee , Kang Tae-Seob , Baag So-Young 
Published: January 2023

ABSTRACTThe Mw 5.5 earthquake occurred in Pohang, South Korea on 15 November 2017, which is known as a “runaway earthquake,” and was triggered from a critical-state fault as a result of fluid injection. As such earthquakes rarely occur, spatiotemporal slip distributions were investigated via the finite-fault inversion based on the empirical Green’s function in this study. The rupture process can be divided into three steps: first, slip initiated and propagated only to the southwest from the hypocenter during the initial 0.6 s; in the second step from 0.6 to 2.4 s, the slip occurred to the southwest and northeast parts, in which the maximum seismic moment was released; in the third step from 2.4 to 6.0 s, slip occurred around the edge of the fault plane farther from the hypocenter, particularly in the deep part in the northeast direction. In each step, the seismic moment was released as approximately 6%, 59%, and 35%, respectively. The first step can be interpreted not as a part of the rupture process of the mainshock but as the immediate and distinct foreshock. Overall, most of the slip distributed southwest is consistent with the results of the directivity analysis using apparent source time functions. Although the average stress drop (~1 MPa) of the Pohang earthquake is considerably lower than that (~20 MPa) of the Mw 5.5 Gyeongju earthquake that naturally occurred in the vicinity of the Pohang, it is difficult to attribute it only to the fluid injection effect. Through this study, we improve our comprehension of the seismic source physics and mechanisms of the Pohang earthquake by analyzing the spatiotemporal slip history, the directivity of rupture process, and the spatial distribution of the stress drop on the fault plane.
Rayleigh pulse-dynamic triggering of fault slip
Authors: Uenishi K. , Rossmanith H. P. , Scheidegger A. E. 
Published: January 2023

AbstractWe present an experimental and numerical investigation of the interaction of a Rayleigh (R) pulse with a partially contacting strike-slip fault between similar and dissimilar materials. This study is intended to offer an improved understanding of the earthquake rupture mechanisms. The fault is subjected to static normal and shear prestresses. Utilizing two-dimensional dynamic photoelasticity in conjunction with high-speed cinematography, the evolution of time-dependent isochromatic fringe patterns (contours of maximum in-plane shear stress) associated with Rayleigh pulse-fault interaction is experimentally recorded. It is shown that fault slip (instability) can be triggered by a pulse that propagates along the fault interface at Rayleigh wave speed (about 90% of the relevant shear wave speed) and that the direction of the static shear preloading has an influence on the initiation of fault slip. For the numerical studies, a finite-difference wave propagation simulator SWIFD (solids wave impact fracture damage) is used for a quantitative analysis of the problem under different combinations of contacting materials. Dynamic rupture in laterally heterogeneous structures is discussed by considering the effect of the acoustic impedance ratio of the two contacting materials on the wave patterns. The results indicate that upon fault rupture, Mach (head) waves, which carry a relatively large amount of concentrated energy, can be generated that propagate from the fault contact region into the acoustically softer material. Such Mach waves can cause concentrated damage in a particular region located inside an adjacent acoustically softer area. This type of damage concentration might be another possible reason for the generation of the damage belt in Kobe, Japan, on the occasion of the 1995 Hyogo-ken Nanbu earthquake.
Integration of the Central Asian Countries in Current Stage: Dynamic, Stage, Problems and Perspectives
Authors: Koichumanova Cholpon 
Published: January 2023

The article is devoted to the study of the role of integration processes in solving a number of the most important problems facing the Central Asian states at the present stage. Considering the theoretical foundations of economic integration as a phenomenon of modern development of states, the dynamics of its development in the region, the authors come to the conclusion that so far the countries of the region have not overcome the first stage of its formation, however, in the modern development of the states of the region, the unifying, not the separating principle prevails. In order to prove the crucial role of integration in the modern development of the countries of the region, the article considers the main directions that could deepen and expand integration processes. The article highlights the idea that in modern conditions, a necessary condition for the activation of integration processes is the development of a clear strategy of interstate interaction that meets the interests of all states in the region without exception. Statistical materials characterizing the degree and dynamics of economic cooperation of the Central Asian countries during the period of independence, articles by Russian and Central Asian experts, which characterize the integration processes, as well as the level and direction of their relationships, were used as sources for writing this article. Based on a systematic analysis of the revealed factual data, an attempt was made to determine the areas of cooperation that are most promising at the present time. The material of the article was analyzed using a number of special methods, among which the historical-comparative method was used most of all, which made it possible to reflect the degree of participation of the countries of the region in integration processes. Using the historical-genetic method, the main stages and dynamics of the interrelations of the Central Asian countries were analyzed.
A citológiai öregedés életkori mintázatának és szekuláris trendjének vizsgálata felnőtt nők körében
Authors: ANNÁR Dorina , FEHÉR Piroska V. , INCE Sára , MADARASI Anna , MUZSNAI Ágota , KÉKESI Anna , ZSÁKAI Annamária 
Published: January 2023

The frequency of X chromosome loss in women increases with ageing. Numerous cases have linked the numerical reduction of sex chromosomes to the development of malignant tumours, recurrent miscarriages and Alzheimer’s disease. The main aim of the study was to investigate the age pattern and secular trend of the cytological ageing (X chromosome loss), as well as to analyse the relationship between the level of chromosome loss and body and bone structural parameters in adult women.
Twenty-one women aged between 20–40 years were enrolled to the present study. Body mass components were estimated by body impedance analysis, bone structure was estimated by quantitative ultrasound technique. Cellular ageing was assessed by X chromosome loss estimation (using FISH probe).
The results revealed an increased level of X chromosome loss in women aged between 21–30 compared to their age-peers lived decades before, and women aged between 31–40 and studied in 2021. By considering the body and bone structural profile (another indicator of their biological status) of women in the younger age-group, an increased fat component and a decreased skeletomuscular component could be described in this age-group.
The results are rather preliminary, that aimed to explore explanatory components in the changes in the rate of X chromosome loss. In order to establish the findings, further investigations, as well as the increase of the sample size is required.
Deteksi Molekuler Tilv (Tilapia Lake Virus) pada Ikan Nila (Oreochromisniloticus) yang dilalulintaskan di Balai Karantina Ikan, Pengendalian Mutu dan Keamanan Hasil Perikanan Surabaya I, Jawa Timur
Authors: Alisukma Indra Sukma Putra 
Published: January 2023

Sebagai salah satu negara penghasil ikan nila terbesar di dunia, Indonesia harus mewaspadai dan melakukan antisipasi terhadap kemungkinan masuk dan tersebarnya penyakit TiLV di Indonesia. Lalu lintas perdagangan ikan nila, baik ikan hidup dan/atau ikan mati, antar negara atau antar daerah akan meningkatkan peluang masuk dan tersebarnya penyakit TiLV di Indonesia. Di beberapa daerah seperti Sumatera, Jawa, Bali dan Lombok telah terjadi kasus kematian pada budidaya ikan nila secara massal yang kemungkinan infeksi penyakit TiLV.
Metode uji untuk pengujian Tilapia Lake Virus (TiLV) adalah Konvensional Nested PCR. Pengambilan contoh uji dalam penelitian Tilapia Lake Virus (TiLV) didasarkan pada frekuensi kegiatan lalu lintas ikan nila antar area melalui Balai Karantina Ikan, Pengendalian Mutu dan Keamanan Hasil Perikanan Surabaya I. Hasil deteksi virus TiLV pada ikan nila di Balai KIPM Surabaya I padatanggal 1 Januari sampai dengan 30 Juni 2021, diperoleh sebanyak 35 sampel ikan Nila. Sampel tersebutterdiri dari benih ikan nila dan ikan nila dengan hasil setiap sampel disajikan padalampiran 1. Dari seluruh sampel diperoleh hasil bahwa 35 sampel yang diperiksa ada 1 sampel yang positif TiLV. Adapun untuk sampel ikan nila negative TiLV maka sertifikat kesehatan ikan dapat diterbitkan dan dapat dilalulintaskan baik domestik maupun ekspor, namun apabila sampel ikan nila positif TiLV maka sertifikat kesehatan ikan tidak dapat diterbitkan dan dapat dilalulintaskan baik domestik maupun ekspor.
Haematological Responses following Oestrus synchronisation and superovulation protocols in West African Dwarf Goats
Authors: Adah Adakole 
Published: January 2023

Experiments were performed to evaluate the haematological (erythrocyte and leucocyte parameters) response of West African Dwarf goats following oestrus synchronisation and superovulation protocol. Twenty-four clinically healthy female goats aged 2.34 ± 0.4 years and average body weight of 13.83 ± 0.7 kg was used for the experiment. The goats were divided into two groups. Group I goats was synchronized using Controlled Internal Drug Release (CIDR) for 18 days with the first day of insertion as day 0. On day 16 following CIDR insertion into the vagina, a single dose of 500 IU equine chorionic gonadotropin (eCG) was administered to each doe intramuscularly while group II served as the control was subjected to the same housing and environmental conditions but was not synchronized. superovulation was induced with porcine follicle stimulating hormone (pFSH) which was injected intramuscularly at a rate of 5mg/kg in reducing doses twice a day at 06.00 h and 18.00 h for 3 days starting from 48hr i.e., 2 days before CIDR removal (day 17). A blood sample of 5 mL was collected by jugular venipuncture of each of the goats before the protocol (Day 0) and at the end of the protocol (Day 18). All erythrocyte parameters evaluated showed a significantly higher value in group II (control) compared to group I post-oestrus synchronisation while total leucocyte count, neutrophil count and neutrophil/lymphocyte ratio values obtained after the protocol were also higher in group I (P < 0.05) compared to group II. It is therefore concluded that oestrus synchronisation and superovulation may elicit stress in West African Dwarf goats and an appropriate antioxidant should be part of the protocol.
Overview of Protein and Fe Intake With The Event of Anemia In Adolescent: Systematic Review
Authors: Erningtyas Cantika , Amalia Rize Budi , Faizah Zakiyatul 
Published: January 2023

<p><strong>Background: </strong>Adolescents are a group that is prone to anemia. Anemia is defined as a lower than normal haemoglobin level. The prevalence of anemia in adolescents in Indonesia is the highest at the age group of 15-24 years, 32%. The most common cause of anemia is lack of nutrients needed for erythrocyte synthesis. Substances that play a role in haemolysis are protein, vitamins (folic acid, vitamin B12, vitamin C and vitamin E), and minerals (Fe and Cu). </p><p><strong>Objective: </strong>To analyse the intake of protein and iron expected incidence of anemia in adolescent girls. </p><p><strong>Methods: </strong>This study used a systematic review method. The databases used to conduct this research are Scopus, PubMed, Science Direct, Portal Garuda and Google Scholar. The keywords used in Indonesian are <em>"Anemia", "Remaja", "Asupan Gizi" </em>or <em>"Nutrisi", "Protein", "Fe" </em>or <em>"Zat besi"</em> and in English are <em>"Anemia", "Adolescent", “Nutritional Intake”, “Ferrous Sulfate”</em> OR <em>“Protein”</em> </p><p><strong>Results: </strong>From several articles that have been reviewed, it is shown that protein intake and Fe (iron) intake of adolescents related to anemia are associated with the incidence of anemia experienced by adolescents. A good protein intake will affect haemoglobin levels in adolescent girls. In addition, intake of Fe (iron) will also affect haemoglobin levels in adolescents. </p><p><strong>Conclusion: </strong>intake of protein and iron will affect haemoglobin levels in adolescents. </p>
A Comprehensive Review on the Capillary Desaturation Curves for Sandstone and Carbonate Reservoirs
Authors: Siyal Amaar , Rahimov Khurshed , AlAmeri Waleed , Al-Shalabi Emad W. , Ahmed Shehzad 
Published: January 2023

Summary
Various enhanced oil recovery (EOR) methods are applied after primary and secondary recovery stages to target remaining oil saturation (ROS). This remaining oil is divided into bypassed oil and capillary-trapped residual oil. Mobilizing the residual oil in the reservoir is usually achieved when viscous or gravity forces exceed capillary forces. The recovery of the microscopically trapped residual oil is mainly studied using capillary desaturation curve (CDC). To optimize the design of various EOR methods in carbonate and sandstone reservoirs, a fundamental understanding of CDC is needed. A thorough and well-documented research study has been performed for determining the residual oil and generating CDC in sandstone rocks. However, a very limited amount of work has been reported on carbonate rocks. Thus, the main objective of this paper is to provide the recent development made over the last few decades on the CDC studies for carbonate and sandstone reservoirs. Different CDC studies were discussed based on the trapping/bond/capillary number and were critically analyzed. Furthermore, the effects of different controlling factors—wettability, permeability, interfacial tension (IFT), and heterogeneity—on CDC were investigated.
This review analysis indicates that CDC in carbonate rocks is broader as opposed to sandstone rocks. This is because of the presence of micropores, large pore size distribution, complex geological characteristics, chemical reactivity, mixed-to-oil-wet characteristics, and heterogeneity of carbonate rocks. Moreover, the critical capillary number for water injection in carbonate rocks reported in the literature lies between 10–8 and 10–5. On the other hand, for sandstone rocks, the number ranges between 10–5 and 10–2. Furthermore, a major influence of wettability on the shape of the CDC was observed. The CDC shape is broader for oil-wet rocks, and capillary number values are higher compared to water-wet and mixed-wet rocks. On the other hand, the lowest capillary number values are observed in water-wet rocks. The outcome of this research study will provide a way forward for CDC studies in both sandstone and carbonate rocks. Additionally, it will serve as a baseline for understanding various CDCs and hence better screening of various EOR methods for different types of reservoir rocks.