bluuebunny/crossref_metadata_2025_split huggingface dataset:
Simulation of Low-Tension-Gas Flood in a High-Temperature and Heterogeneous Sandstone Reservoir
Authors: AlAbdullah Mohammad B. , Delshad Mojdeh , Niu Fangya , Mohanty Kishore , Sepehrnoori Kamy , Li Jianshen , Zhou Nancy C. , Lu Meng , Miao Jijun 
Published: February 2025

Summary
This study explores low-tension-gas flooding (LTG) as a hybrid low-tension surfactant and nitrogen gas-enhanced oil recovery (EOR) method for a high-temperature (90–100°C) and heterogeneous (permeability 0.06 µd–1180 md) sandstone reservoir. A significant research gap exists in developing EOR technologies tailored for reservoirs with extreme heterogeneity and high temperatures. This study addresses this gap by integrating laboratory and simulation studies to model phase behavior, foam quality, and recovery factors (RFs) and then upscale these findings to a pilot scale.
We began with history matching two corefloods, an outcrop, and a reservoir core, employing the in-house UTCHEM simulator. Flow parameters were derived from these corefloods, and fluid properties were ascertained from laboratory experiments. A 0.6-acre pilot-scale model in UTCHEM, based on field data, was used to simulate the LTG process.
The comprehensive field scale sensitivity study indicates an incremental oil recovery (IOR) factor (RF) between 11% and 18% from LTG injection, influenced primarily by residual oil saturation to waterflood, injection rate, LTG slug size, and surfactant concentration. Gravity segregation between gas and microemulsion phases, affected by reservoir vertical heterogeneity, emerged as a critical factor. A lower kv/kh ratio led to a more stable front with a moderate gas override. Based on the technical feasibility of this study, an optimal chemical injection design involves 1 wt% surfactant concentration within 1 pore volume (PV) of LTG slug. Higher injection rates resulted in increased oil recovery and shorter pilot duration, though constrained by field operational limits. Adjusting foam quality during LTG injection affected gravity segregation, necessitating further laboratory experiments for correlation with gas mobility reduction. Foam shear thinning could enhance field foam injectivity without significantly impacting cumulative oil recovery. Increasing the injection rate within allowable injection bottomhole pressure (BHP) is recommended for field implementation to prevent fracture induction. This is the first study that extensively explores the impact of reservoir and design parameters for LTG injection under challenging reservoir conditions, integrating key uncertainty analysis to ensure robustness in the proposed EOR strategy.
Alterations in proliferation of neuronal stem cells in Attention-Deficit/Hyperactivity Disorder and Wnt modulation by methylphenidate
Authors: Grünblatt Edna , Ohki Cristine Marie Yde , Walter Natalie Monet , Smigielski Lukasz , Bender Audrey , Rickli Michelle , Walitza Susanne 
Published: February 2025

Abstract

As the most common neurodevelopmental and mental disorders around the world, attention-deficit/hyperactivity disorder (ADHD) affects mostly children and adolescents. Both genetic (polygenicity) and environmental variables interplay in the etiology of this disorder. The Wnt signaling pathway, which regulates proliferation and differentiation during neurodevelopment, has been implicated in ADHD. Clinically, ADHD individuals may exhibit delays in structural and functional brain development. Available evidence has proposed that methylphenidate (MPH) treatment can potentially improve these delays. However, the molecular and cellular mechanisms underlying ADHD and the therapeutic targets of MPH are still not completely elucidated. In a pilot investigation, the proliferation of neural stem cells (NSCs) derived from induced pluripotent stem cells (iPSCs) was significantly lowered in ADHD male patients. Yet, we did not observe any variations in growth rates during the iPSC stage. To extend the earlier results, we increased the sample size to include females and explored if MPH may improve NSC proliferation in ADHD and clarified the role of the Wnt pathway. To do so, iPSC and NSC proliferation of five ADHD patients and five controls was assessed. The results corroborated our previous findings on decreased proliferation in ADHD NSCs. Conversely, ADHD NSC proliferation slightly increased following MPH treatment at 10 nM, which also showed modulatory effects in the Wnt signaling in this group. Interestingly, no increases in proliferation were seen when DKK1 blocked Wnt signaling before MPH treatment. These findings suggest MPH regulates the canonical Wnt pathway and may partially explain ADHD neurodevelopmental abnormalities and MPH-specific benefits.
Enhanced antibacterial activity of organic acids via gallium chelation: a promising antibiotic alternative
Authors: Qin Yuhuan , Liu Xian , Luo Wei , Li Xia , Meng Yong , Qin Hui , Liao Xuepin , Shi Bi 
Published: February 2025

Abstract

As an alternative to antibiotics, acidifiers have gained widespread application in the feed industry. However, current acidifier products often suffer from limited antibacterial efficacy. To tackle this issue, we synthesized a series of organic acid - gallium complexes (Ga-OA) using organic acids (OA) and Ga3+ as precursors, via a liquid-phase synthesis method. The antimicrobial activity of Ga-OA against Escherichia coli, Staphylococcus aureus, and Salmonella spp. was assessed using the Oxford cup and agar dilution methods to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC), respectively. It was found that the Ga-OA complexes showed markedly higher antibacterial activity than each individually, and the antibacterial activity of Ga-OA complexes followed the order: Ga-Lac (lactic acid) > Ga-Ac (acetic acid) > Ga-BA (butyric acid). Furthermore, The MIC values of Ga-Lac against Escherichia coli, Staphylococcus aureus, and Salmonella spp were 2.84, 0.18, and 2.84 mmol/L, respectively, meanwhile, the MBC values of Ga-Lac against these three bacteria were 5.68, 1.42, and 5.68 mmol/L, respectively. Transcriptome analysis revealed that the antibacterial mechanism of Ga-OA is initiated by organic acid (OA) binding to bacterial membranes, which promotes Ga3+ entry into the cell. This intracellular Ga³⁺ then disrupts iron transport, ultimately resulting in bacterial death. These results suggest that Ga-OA complexes have the potential to be a promising, safe, and effective antibacterial agent in animal husbandry, providing a solution to antibiotic resistance concerns.
Nesting site selection of the Asian Openbill (Anastomus oscitans) on isolated island and their movement to nearby foraging areas
Authors: Amzah Badrulhadza , Ramli Rosli , Mamat Noorhidayah 
Published: February 2025

Abstract

Background
This study examines the nesting and foraging ecology of the Asian Openbill (Anastomus oscitans) in Perak, Malaysia, focusing on Pulau Bangau and nearby rice fields. Pulau Bangau, located within the Perak River, emerged as an ideal nesting site due to its isolation, availability of large nesting trees such as berembang or Sonneratia caseolaris, and proximity to extensive rice fields serving as primary foraging grounds.
Methods
Fieldwork conducted from September 2022 to February 2023 documented nesting site preferences and foraging activities through visual observations, photographic documentation, and drone imagery.
Results
The findings reveal that proximity to water bodies, abundant food sources, and minimal disturbances are critical factors influencing nest site selection, consistent with patterns observed in other regions. Observations in nearby rice fields recorded significant stork activity, emphasizing the importance of agricultural landscapes in supporting the species. Ulu Dedap Blocks B and D were identified as key foraging areas, with the highest stork counts and observation frequencies. The study underscores the interdependence between nesting and foraging habitats, highlighting the energy efficiency and reproductive success associated with close habitat connectivity. However, reliance on agricultural landscapes poses challenges, including habitat degradation and food availability disruptions due to land-use changes.
Conclusion
These findings have important conservation implications, advocating for the protection of Pulau Bangau and sustainable management of rice fields. Integrating biodiversity-friendly practices in agriculture and preserving mature trees are critical for safeguarding the species' habitats and ensuring its long-term viability in Malaysia.
The physical and superconducting properties of hexagonal YGa2 and YB2 : A comparative ab-initio study
Authors: Yıldırım Gürcan , Parlak Cihan 
Published: February 2025

Abstract

This study explores the properties of AlB2-type YB2 and YGa2 compounds through ab initio density-functional calculations, focusing on elastic constants, electronic structures, mechanical behavior, thermodynamic characteristics, phononic properties, and electron-phonon (e-ph) coupling. The results obtained are consistent with theoretical predictions and compare the properties of the compounds to MgB2, aiming to evaluate their potential for achieving higher critical transition temperature (Tc). YGa2 is characterized by larger structural dimensions but exhibits lower phonon frequencies due to the higher atomic mass of gallium. In contrast, YB2 shows a higher Tc (5.6 K), attributed to its stronger e-ph coupling and higher density of states at the Fermi level. The shorter B-B bond lengths in YB2 enhance its band structure and elevate the Fermi energy. Both compounds exhibit mechanical stability, with YB2 displaying greater shear resistance and stronger covalent bonding. Furthermore, YB2 possesses a higher Debye temperature (779.75 K) and greater sound velocities, indicative of superior mechanical properties. The findings highlight the potential of YB2 for superconductivity, supported by its favorable electron-phonon interactions compared to YGa2.
Reservoir Sedimentation Management: Evaluating Sediment Size and Bottom Tunnel Effects on Sediment Flushing Efficiency
Authors: Roshdi Mostafa , Hassanzadeh Yousef , Kardan Nazila 
Published: February 2025

Abstract

Reservoir sediment flushing, recognized as a highly effective approach for mitigating reservoir sedimentation, involves the downstream discharge of sediment-laden flows through bottom tunnels. Alongside other critical parameters in pressure flushing, the simultaneous operation of bottom tunnels significantly contributes to the efficient removal of sediments from the reservoir, and this study evaluated the effects of the number and placement of these tunnels. The primary aim of removing sediment from reservoirs is to restore the lost volume resulting from sediment accumulation. This study endeavors to pinpoint the most optimal parameters for maximizing sediment removal from reservoirs, stressing the significance of effectively eliminating sediment from the dam reservoir during pressure flushing. To achieve these objectives, the CFD solver in Fluent is employed. While simulating bed erosion around bridge piers is not feasible within the Fluent CFD solver, a morphological model was developed and integrated with Fluent to address bed erosion beyond the flow solution. This integrated model combines the flow solution with a sediment transport model to establish the morphological model. The results demonstrated that achieving efficient pressure flushing in a reservoir with a constant water level is best accomplished in a reservoir containing sediment with a smaller average diameter, higher accumulation level, and a greater number of active bottom tunnels. Key elements include maintaining consistent discharge from each tunnel, ensuring uniform tunnel elevation, and preserving a fixed distance between them.
Stable Transmission of DNA Methylation Epimutations from Germlines to the Liver and Their Association with Fatty Liver Disease in Medaka
Authors: Chakraborty Sourav , Anand Santosh , Wang Xuegeng , Bhandari Ramji Kumar 
Published: February 2025

Abstract

Background
Environmental stressors can induce heritable traits in organisms across phyla, with distinct epigenetic alterations in gametes and phenotypic outcomes across several generations. However, the mechanisms underlying such intergenerational inheritance, mainly from the germline to the germline and from the germline to the soma, are enigmatic, given that postfertilization embryos and germline cells reprogram the epigenome in each generation to gain their cellular identity. Here, we report stable germline transmission of differential DNA methylation alterations (epimutations) and their associations with nonalcoholic fatty liver disease (NAFLD) in medaka exposed to a model estrogenic chemical but a ubiquitous environmental contaminant, bisphenol A (BPA).
Results
Ancestral BPA exposure in the F0 generation led to advanced NAFLD in the unexposed grandchildren generation (F2) of medaka. The F2 liver transcriptome and histopathology revealed a severe NAFLD phenotype in females. Whole-genome bisulfite sequencing of the sperm and liver revealed a gradual shift in promoter methylation from F0 sperm (hypomethylated) to F1 sperm (mix of hypo- and hypermethylated) and F2 liver (predominantly hypermethylated). Many differentially methylated promoters (DMPs) overlapped in F0 sperm, F1 sperm, and F2 liver, regardless of sex. In females, stable transmission of 1511 DMPs was found across three generations, which are associated with protein-coding genes, miRNAs, and others and linked to NAFLD and nonalcoholic steatohepatitis (NASH). Among them, 27 canonical genes maintained consistently hypermethylated promoters across three generations, with significant downregulation of their expression and enrichment in NAFLD-related pathways, mainly fat digestion, glycerolipid metabolism, and steroid biosynthesis.
Conclusions
The present results demonstrate stable inter- and transgenerational germline-to-germline and germline-to-soma transmission of environmentally induced DNA epimutations with F0 and F1 gametic epimutations, predicting the F2 liver phenotype—a clear transgenerational passage of the disease phenotype in medaka.
Migrant Political Activism in Vienna and Brussels: How Voting Rights Shape Protest Behaviour
Authors: Tardivo Zeynep Mentesoglu 
Published: February 2025

Abstract

While much research has focused on the electoral participation of voters with migration backgrounds, the political engagement of migrants beyond the ballot box remains significantly underexplored in Western Europe. This article examines migrants’ involvement in public protests in two distinct contexts—at the national and city levels—in Vienna and Brussels. Using an original empirical approach, the analysis draws on data from the European Social Survey (ESS) regional statistics (NUTS) Round 1-11, exploring protest participation patterns among migrant respondents in these cities. A key question addressed is how different opportunity structures, such as the right to vote at the local level, influence the likelihood of participating in protests. The findings indicate that the presence (or absence) of local voting rights for non-nationals is a strong predictor of minority protest participation. While the right to vote at the local level is shown to impact protest involvement, the comparative analysis reveals divergent patterns in the two cases. In Brussels, where local voting rights are present, and more inclusive, migrants exhibit lower protest participation rates, whereas in Vienna, where such rights are restricted, migrants participate in protests at higher rates. This suggests that formal political avenues, such as voting rights, may reduce the need for protests as a form of political expression.
بۆنە و یادەکان لە ڕۆژهەڵاتى کوردستان (١٩٢٦- ١٩٤١)
Authors: Abdullah Nashmil Sabr 
Published: February 2025

ئەم توێژینەوەیە کە تایبەتە بە بۆنە و یادەکان لە ڕۆژهەڵاتى کوردستان لە ساڵانى ١٩٢٦- ١٩٤١، جەخت لە ماوەى دەسەڵاتدارى ڕەزا شا دەکاتەوە دەربارەى هەوڵەکانى ناوبراو بۆ چەسپاندنى بیرۆکەکانى و سەلماندنى ئەو باوەرەى کە لە لایەن ڕەزا شاه هەیە بۆ نەهێشتنى تاریکییەکان و دووبارە گەڕانەوەى شکۆى دەوڵەتى ئێران و دروستبوونى دەسەڵاتیکى ناوەندى. بۆ جێبەجێکردنى ئەم سیاسەتەشى جگە لە ڕێکارە سەربازییەکان چەند هەنگاوى ڕۆشنبیرى دەگرێتەبەر بە تایبەت لە ناوچە کوردییەکان، جێگاى ئاماژەیە سەرەڕاى کاریگەربوونى ئەم سیاسەتە، لە رووى ئابوورى تێچووى کەمى پێویست بوو .
لەم توێژینەوەیە تیشک خراوەتە سەر بۆنە و یادەکان کە بۆ یەکەمجار لەلایەن ڕەزا شا لە ناوچە کوردییەکان یادکراونەتەوە، لەنموونەى ئەمانە بۆنەى ڕۆژى لە دایکبوون و تاج لەسەردانانى ڕەزا شا، ئاهەنگگێران بە بۆنەى لە دایک بوونى هەزار ساڵەى فردەوسى (ئەبوقاسم فردەوسى توسى ٩٣٥ـ ١٠٢٠ زایینى) شاعیرى گەورەى ئێران بۆ یادکردنەوە و زیندوو کردنەوەى شوێنەوارە کۆنەکان، هاوکات دواى بە فەرمى راگەیاندنى یەکپۆشى لابردنى سەرپۆشى ئافرەتان ساڵانە ئاهەنگ و کۆمەڵێک چاڵاکى لەم ڕۆژە بۆ ئەم بۆنەیە بەڕێوەدەچوو، هاوکات ئاماژەدان بە فشارى دەوڵەت لە جێبەجێکردنى بۆنەو یادەکان و بەشدارى بەرپرسانى ناوچەکە لەگەڵ هاوسەرەکانیان و دامەزراندنى چەندین ئەنجومەنى ئافرەتان و بەشدارى قوتابخانەکانى کور و کچان لە ئاهەنگەکان و زیاتر تێکەڵ بوونیان لە کۆمەڵگا و گۆڕینى داب و نەریتیان، بۆ کەمڕەنگکردن و وونبوونى کەلتور و یادگارییەکان لە یادەوەرى کوردەکان و نەهێشتنى جیاوازى نەتەوەیی دەگەرێتەوە.
Reviewing Place Meaning via Users’ Emotional-Perceptual Experience
Authors: KHALEGHIMOGHADDAM Navid , ALKAN BALA Havva 
Published: February 2025

Abstract
By recognizing different meanings of place as well as influential parameters on the perception of place, it is possible to create a pleasant environment. This study aims to measure the factors contributing to the conception of place meaning and emotional experience of place. Also, it seeks to understand the mechanism of perceiving the different meanings and qualities of place from users’ point of view. The qualitative and quantitative methods were applied. In this regard, the emotional evaluation model of Pleasure-Arousal, interview, and questionnaire have been used. The study has been conducted on 3 buildings of Selcuk University in Turkey. The statistical population in the different groups consisted of architecture students. Results show that along with the emotional assessment of place, the factors such as morphological, sensory, and individualones affect the user’s assessment, and there is a meaningful relationship between the emotional evaluation of place and factors forming the meaning of place. Furthermore, place quality and its aesthetic components play important role in individuals’ preferences and judgments and led to psychological pleasure and positive emotional assessment.
A Giant Avant-Garde Stadium Project in Ukraine: The Enigma of the 1930s
Authors: SMOLENSKA Svitlana 
Published: February 2025

Abstract
The paper is dedicated to the study of rare undeciphered documents: colorful architectural perspectives of a giant stadium of the 1930s with a caption in French, found by the author of this text in one of the Ukrainian archives. The authorship of the graphic images and the project itself, the name of the stadium, its localization on the master plan of the city of those years were established in the process of this research. The results of the study allow us to trace the fate of the project of a giant sports complex from its concept and design stages to the beginning of its erection; to reveal the reasons for the interruption of its construction and oblivion for many decades, as well as to restore the biographies of the architects involved in the found images. Features of the difficult historical period in the architecture of Ukraine: the violent transition from modernism to “socialist realism” in the 1930s are seen through the “lens” of the fate of this unique avant-garde unrealized project.
Design and Performance Parameters of Shear Walls: A Review
Authors: Cüneyt AYDIN Abdulkadir , BAYRAK Barış 
Published: February 2025

Abstract
Reinforced concrete (RC) walls are used in buildings to provide lateral stiffness and strength against lateral forces like earthquake, wind etc. Shear walls are one of the most important lateral load-resisting systems in high-rise buildings. This paper provides an overview of not only reinforced concrete (RC), but also composite shear walls. The paper focuses on four inter-related review areas, namely i) conventional shear walls with rectangular cross section, ii) coupled shear walls, iii) composite shear walls, and iv) shear walls with opening(s). Behavior of shear walls which are the most damaged structural elements during earthquake and the parameters affecting this behavior are evaluated in this paper. However, this paper presents the available information about the design and performance parameters of shear walls.
The Effect of Plastic Waste Fibers on Mortar Performance
Authors: MOUATS Wassila , ABDELOUAHED Assia , HEBHOUB Houria , BOUGHAMSA Wassila 
Published: February 2025

Abstract
This paper studies the possibility of using plastic waste fiber in the mortar, and aims to find the optimum percentage of fiber to improve the properties of mortar. The plastic fiber is used as a volume substitution in dune sand and it used with rates of 5%, 10%, 15%, 20%, 25%, and 30%. Specifically, the mechanical properties as compressive and tensile strength and durability performance as capillary and immersion absorption, the depth of chloride penetration and the loss of weight were measured. The results show that the incorporation of waste plastic fiber reduces the compressive strength and enhances the flexural tensile strength. The use of waste plastic fibers indicates the good behavior to mortars in aggressive environment.
Vibrations of a Low-Frequency Floor Under Various Pedestrian Loading Scenarios
Authors: NGUYEN Huu Anh Tuan 
Published: February 2025

Abstract
Contemporary floor vibration guidelines limit the discussion of walking-induced vibrations to single-pedestrian loading scenario. Nevertheless, the inclusion of more than one pedestrian in the vibration evaluation would result in a more realistic range of floor responses. In this paper, an attempt was made to experimentally and numerically investigate the combined effect of two persons walking simultaneously on an actual building floor. The floor fundamental frequency and damping ratio were obtained from physical heel drop tests and the footfall response was measured in a series of walking tests. A finite element model was created for prediction of floor responses under different walking scenarios. A probabilistic prediction was also performed where random variations in pacing rates, body weights and arrival times of the pedestrians were considered in a large number of Monte Carlo simulations. It was showed that the response due to a single person with resonant step frequency can be greater than that due to two persons walking at off-resonant pacing rates. However, the resonant response induced by two pedestrians can be 1.29–1.38 times greater than that caused by a pedestrian.