bluuebunny/crossref_metadata_2025 huggingface dataset:
Formation and Evolution of a Dust Cloud as a Result of TNT Detonation in a Borehole: Numerical Simulation
Authors: Shuvalov Valery , Khazins Valery , Krasheninnikov Alexey , Soloviev Sergey
Published: May 2023

Here, we present a numerical model for simulating the formation and evolution of the gas and dust cloud that forms after the detonation of high explosive charges in boreholes. This model provides a possible method for converting a substance ejected from an explosion funnel into discrete particles (smaller particles and stones) and calculating the movement of these condensed particles and their interaction with the air–gas flow; this method uses the framework of equations for multiphase media motion. For modeling of borehole explosion, we focused on the parameters of commercial blasting that are carried out at the Lebedinsky open pit. The results of simulating the initial stage of a borehole explosion with a mass of 1000 kg are presented in this paper. These results demonstrate the evolution of a gas and dust cloud, the change in the mass of particles of different sizes in the air over time, and their spatial distribution.
Elagolix Sodium Salt and Its Synthetic Intermediates: A Spectroscopic, Crystallographic, and Conformational Study
Authors: Ciceri Samuele , Colombo Diego , Fassi Enrico M. A. , Ferraboschi Patrizia , Grazioso Giovanni , Grisenti Paride , Iannone Marco , Castellano Carlo , Meneghetti Fiorella
Published: May 2023

Elagolix sodium salt is the first marketed orally active non-peptide gonadotropin-releasing hormone receptor antagonist (GnRHR-ant) for the management of hormone dependent diseases, such as endometriosis and uterine fibroids. Despite its presence on the market since 2018, a thorough NMR analysis of this drug, together with its synthetic intermediates, is still lacking. Hence, with the aim of filling this literature gap, we here performed a detailed NMR investigation, which allowed the complete assignment of the 1H, 13C, and 15N NMR signals. These data allowed, with the support of the conformational analysis, the determination of the stereochemical profile of the two atropisomers, detectable in solution. Moreover, these latter were also detected by means of cellulose-based chiral HPLC, starting from a sample prepared through an implemented synthetic procedure with respect to the reported ones. Overall, these results contribute to further understanding of the topic of atropisomerism in drug discovery and could be applied in the design of safe and stable analogs, endowed with improved target selectivity.
New Tricholidic Acid Triterpenoids from the Mushroom Tricholoma ustaloides Collected in an Italian Beech Wood
Authors: Gilardoni Gianluca , Negri Francesca , Vita Finzi Paola , Hussain Faiq H. S. , Vidari Giovanni
Published: May 2023

The secondary metabolites produced by Tricholoma ustaloides Romagn., a mushroom species belonging to the large Tricholoma genus (Basidiomycota, Tricholomataceae), are unknown. Therefore, encouraged by the interesting results obtained in our previous chemical analyses of a few Tricholoma species collected in Italian woods, we aimed to investigate the secondary metabolites of Tricholoma ustaloides. The chemical analysis involved the isolation and characterization of secondary metabolites through an extensive chromatographic study. The structures of isolated metabolites, including the absolute configuration, were established based on a detailed analysis of MS, NMR spectroscopic, optical rotation, and circular dicroism data, and on comparison with those of related compounds reported in the literature. Two novel lanostane triterpenoids, named tricholidic acids B and C, together with triglycerides, a mixture of free fatty acids, five unidentified metabolites, and the known rare saponaceolides F and J, tricholidic acid, and tricholomenyn C, were isolated from an EtOAc extract of fruiting bodies of Tricholoma ustaloides that were collected in an Italian beech wood. This is the second example of isolation of tricholidic acid derivatives from a natural source. Saponaceolides F and J exhibited high cytotoxicity (IC50 values ≤ 10 μM) against a panel of five human cancer cell lines. The toxicity against myeloid leukemia (HL-60), lung cancer (A-549), hepatocellular cancer (HepG2), renal cancer (Caki-1), and breast cancer (MCF-7) cells was higher than that shown by the very well-known cytotoxic drug cisplatin.
Uncovering the Relationship between Selenium Status, Age, Health, and Dietary Habits: Insights from a Large Population Study including Nonagenarian Offspring from the MARK-AGE Project
Authors: Giacconi Robertina , Piacenza Francesco , Aversano Valentina , Zampieri Michele , Bürkle Alexander , Villanueva María Moreno , Dollé Martijn E. T. , Jansen Eugène , Grune Tilman , Gonos Efstathios S. , Franceschi Claudio , Capri Miriam , Weinberger Birgit , Sikora Ewa , Toussaint Olivier , Debacq-Chainiaux Florence , Stuetz Wolfgang , Slagboom Pieternella Eline , Bernhardt Jürgen , Fernández-Sánchez Maria Luisa , Provinciali Mauro , Malavolta Marco
Published: May 2023

An inadequate selenium (Se) status can accelerate the aging process, increasing the vulnerability to age-related diseases. The study aimed to investigate plasma Se and Se species in a large population, including 2200 older adults from the general population (RASIG), 514 nonagenarian offspring (GO), and 293 GO Spouses (SGO). Plasma Se levels in women exhibit an inverted U-shaped pattern, increasing with age until the post-menopausal period and then declining. Conversely, men exhibit a linear decline in plasma Se levels with age. Subjects from Finland had the highest plasma Se values, while those from Poland had the lowest ones. Plasma Se was influenced by fish and vitamin consumption, but there were no significant differences between RASIG, GO, and SGO. Plasma Se was positively associated with albumin, HDL, total cholesterol, fibrinogen, and triglycerides and negatively associated with homocysteine. Fractionation analysis showed that Se distribution among plasma selenoproteins is affected by age, glucometabolic and inflammatory factors, and being GO or SGO. These findings show that sex-specific, nutritional, and inflammatory factors play a crucial role in the regulation of Se plasma levels throughout the aging process and that the shared environment of GO and SGO plays a role in their distinctive Se fractionation.
Vitamin D and Osteogenesis Imperfecta in Pediatrics
Authors: Coccia Francesco , Pietrobelli Angelo , Zoller Thomas , Guzzo Alessandra , Cavarzere Paolo , Fassio Angelo , Flodmark Carl-Erik , Gatti Davide , Antoniazzi Franco
Published: May 2023

Osteogenesis Imperfecta (OI) is a heterogeneous group of inherited skeletal dysplasias characterized by bone fragility. The study of bone metabolism, in these disease, is problematic in terms of clinical and genetic variability. The aims of our study were to evaluate the importance of Vitamin D levels in OI bone metabolism, reviewing studies performed on this topic and providing advice reflecting our experience using vitamin D supplementation. A comprehensive review on all English-language articles was conducted in order to analyze the influence of vitamin D in OI bone metabolism in pediatric patients. Reviewing the studies, contradictory data were found on the relationship between 25OH vitamin D levels and bone parameters in OI, and in several studies the baseline levels of 25OH D were below the threshold value of 75 nmol/L. In conclusion, according to the literature and to our experience, we highlight the importance of adequate vitamin D supplementation in children with OI.
Characterization of Non-Specific Uptake and Retention Mechanisms of [177Lu]Lu-PSMA-617 in the Salivary Glands
Authors: Heynickx Nathalie , Segers Charlotte , Coolkens Amelie , Baatout Sarah , Vermeulen Koen
Published: May 2023

The radionuclide therapy [177Lu]Lu-PSMA-617 was recently FDA-approved for treatment of metastatic castration-resistant prostate cancer. Salivary gland toxicity is currently considered as the main dose-limiting side effect. However, its uptake and retention mechanisms in the salivary glands remain elusive. Therefore, our aim was to elucidate the uptake patterns of [177Lu]Lu-PSMA-617 in salivary gland tissue and cells by conducting cellular binding and autoradiography experiments. Briefly, A-253 and PC3-PIP cells, and mouse kidney and pig salivary gland tissue, were incubated with 5 nM [177Lu]Lu-PSMA-617 to characterize its binding. Additionally, [177Lu]Lu-PSMA-617 was co-incubated with monosodium glutamate, ionotropic or metabotropic glutamate receptor antagonists. Low, non-specific binding was observed in salivary gland cells and tissues. Monosodium glutamate was able to decrease [177Lu]Lu-PSMA-617 in PC3-PIP cells, mouse kidney and pig salivary gland tissue. Kynurenic acid (ionotropic antagonist) decreased the binding of [177Lu]Lu-PSMA-617 to 29.2 ± 20.6% and 63.4 ± 15.4%, respectively, with similar effects observed on tissues. (RS)-MCPG (metabotropic antagonist) was able to decrease the [177Lu]Lu-PSMA-617 binding on A-253 cells to 68.2 ± 16.8% and pig salivary gland tissue to 53.1 ± 36.8%. To conclude, we showed that the non-specific binding on [177Lu]Lu-PSMA-617 could be reduced by monosodium glutamate, kynurenic acid and (RS)-MCPG.
Prosthetic Joint Infections: Biofilm Formation, Management, and the Potential of Mesoporous Bioactive Glass as a New Treatment Option
Authors: Almasri Dana , Dahman Yaser
Published: May 2023

Infection of prosthetic joints is one of the biggest challenges to a successful replacement of the joint after a total joint arthroplasty. Such infections are caused by bacterial colonies that are difficult to treat by systemic delivery of antibiotics. Local delivery of antibiotics can prove to be the solution to such a devastating outcome that impacts patients’ health and ability to regain function in their joints as well as costs the healthcare system millions of dollars every year. This review will discuss prosthetic joint infections in detail with a focus on the development, management, and diagnosis of the infections. Surgeons often opt to use polymethacrylate cement locally to deliver antibiotics; however, due to the rapid release of antibiotics, non-biodegradability, and high chance of reinfection, the search for alternatives is in high demand. One of the most researched alternatives to current treatments is the use of biodegradable and highly compatible bioactive glass. The novelty of this review lies in its focus on mesoporous bioactive glass as a potential alternative to current treatments for prosthetic joint infection. Mesoporous bioactive glass is the focus of this review because it has a higher capacity to deliver biomolecules, stimulate bone growth, and treat infections after prosthetic joint replacement surgeries. The review also examines different synthesis methods, compositions, and properties of mesoporous bioactive glass, highlighting its potential as a biomaterial for the treatment of joint infections.
Blockchain-Based Business Process Management (BPM) for Finance: The Case of Credit and Claim Requests
Authors: Molnár Bálint , Pisoni Galena , Kherbouche Meriem , Zghal Yossra
Published: May 2023

Because of the competitive economy, organizations today seek to rationalize, innovate, and adapt to changing environments and circumstances as part of business process improvement efforts. The strength of blockchain technology lies in its usage as an apt technology to enhance the efficiency and effectiveness of business processes; furthermore, it prevents the use of erroneous or obsolete data and allows sharing of confidential data securely. The use of superior technology in the execution and automation of business processes brings opportunities to rethink the specific process itself as well. Business processes modeling and verification are essential to control and assure organizational evolution, therefore, the aim of this paper is three-fold: firstly, to provide business process management patterns in finance, based on blockchain, specifically for the loan-application process in the banking industry and claim process in the insurance industry that could be used and customized by companies; secondly, to critically analyze challenges and opportunities from the introduction of such approach for companies, and thirdly, to outline how companies can implement the loan business process as a web service. Partner companies (a bank and an insurance company) formulated the potential requirements for M2P along with the application of blockchain technology. An experimental design framework was established that gave the necessary services to model the requirements, check the models, and operationalize the models. The applied research methodologies are as follows: design science research paradigm and software case study, model-to-programming (M2P) of business processes, and utilization of patterns of workflow and blockchain.
Peripheral Labour and Accumulation on a World Scale in the Green Transitions
Authors: Ajl Max
Published: May 2023

This commentary turns a critical lens on the perspectives of labour in the potential green transition. It shows what changes when we focus on worldwide social labour—the labour which most of humanity currently performs—and its worldwide impact, going beyond climate to damages from mining and to biodiversity and other elements of the ecology. Such an optic forces scepticism about approaches which only consider the North when it comes to a large-scale green transition. Indeed, this paper argues, using illustrative examples, how such approaches rely on suppressing the historical role of colonialism and imperialism in making First World (core) development possible. It shows how lenses such as “social reproduction” or policies such as “universal health care” focused only on the core reproduction of worldwide patterns of domination. It then puts forward the outlines of an alternative approach to decent work in the context of a worldwide green transition toward a non-hierarchical world system.
Pelletization Temperature and Pressure Effects on the Mechanical Properties of Khaya senegalensis Biomass Energy Pellets
Authors: Ismail Ras Izzati , Khor Chu Yee , Mohamed Alina Rahayu
Published: May 2023

Biomass pellets are one of the most crucial feedstocks for bioenergy production on a global scale due to their numerous advantages over raw biomass resources. Pellets provide improved energy density, bulk density, moisture content, and homogeneity thereby reducing storage, handling, and transportation costs. To produce high-quality solid fuel, it is necessary to comprehend the properties of wood fuel. This study explored the potential of Khaya senegalensis (khaya) as a dedicated energy crop (DEC) for the production of green energy. It thrives in less-than-ideal conditions and grows rapidly. The low durability of energy pellets raises the risk of dust and fire during handling and storage. In addition, the potential for fines and dust formation is strongly correlated with the mechanical strength of materials. Due to this necessity, the current study examines the effects of pelletization factors, including temperature and pressure, on pellet properties, particularly on its mechanical properties. The durability and compressive strength of pellets were determined using a sieve shaker and a universal testing machine, respectively. The highest mechanical durability was observed at 3 tons of pressure and 75 degrees Celsius, each with a value of 99.6%. The maximum axial compressive strength was measured at 57.53 MPa under 5 tons of pressure. When pelletized at 125 °C, the axial compressive strength increased by 13.8037% to 66.06 MPa compared to the strength obtained at 5 tons of pressure. Pelletizing Khaya feedstocks at 4 tons of pressure, on the other hand, produced a slightly lower diametral compressive strength of 7.08 MPa compared to 7.59 MPa at 125 °C. The experimental results revealed that the aforementioned factors significantly affect the mechanical properties of pellets. The elucidation of wood biomass, solid fuel qualities and pelletization parameters of this potential energy crop may facilitate the production of high-quality pellets from Khaya senegalensis wood to meet the increasing local and worldwide energy demands.
A Swift Response to Newly Discovered, Nearby Transients
Authors: Brown Peter J. , Robertson Macie , Devarakonda Yaswant , Sarria Emily , Pooley David , Stritzinger Maximilian D.
Published: May 2023

The Neil Gehrels Swift Observatory has proven to be an extraordinary supernova (SN) observatory. The clearest application of Swift’s unique strengths is obtaining very early UV and X-ray data of young SNe, which enables robust constraints on their progenitor systems. As part of a year-long Swift Guest Investigator Key Project, we initiated a follow-up program to rapidly observe all of the nearest (distance < 35 Mpc or roughly z < 0.008) extragalactic transients without waiting for them to be spectroscopically classified as supernovae. Among the possible results were to measure any UV-bright radiative cooling following the shock breakout from core-collapse SNe and shock emission from the interaction of thermonuclear Type Ia SNe with a non-degenerate companion. Just as importantly, uniformly following up and analyzing a significant sample can constrain the fraction of events for which the shock emission is not seen. Here we present the UV and X-ray measurements performed during our campaign. Our sample of 24 observed triggers included three SNe Ia, six SNe II, three stripped-envelope, core-collapse SNe, five galactic transients, three extragalactic SN imposters, and four unconfirmed transients. For our sample, the median delay time from the discovery image to the first Swift image was 1.45 days. We tabulate the X-ray upper limits and find they are sufficiently deep to have detected objects as X-ray luminous as GRB060218/SN2006aj. Other X-ray-detected SNe such as SNe 2006bp, 2008D, and 2011dh would have been detectable in some of the observations. We highlight the spectroscopically classified Type II SN 2018hna with UV-optical light curves indicating a luminosity and flux evolution very similar to SN 1987A.
Coulomb Problem for Classical Spinning Particles
Authors: Kaparulin Dmitry S. , Sinelnikov Nikita A.
Published: May 2023

We consider the motion of a weakly relativistic charged particle with an arbitrary spin in central potential e/r in terms of classical mechanics. We show that the spin–orbital interaction causes the precession of the plane of orbit around the vector of total angular momentum. The angular velocity of precession depends on the distance of the particle from the centre. The effective potential for in-plane motion is central, with the corrections to Coulomb terms coming from spin–orbital interaction. The possible orbits of a quantum particle are determined by the Bohr–Sommerfeld quantization rule. We give examples of orbits corresponding to small quantum numbers, which were obtained by numerical integration of equations of motion. The energies of stationary states are determined by spin–orbital interaction.
Design and Preparation of Magnetically-Oriented Poly(styr-co-MMA)-3MPS Capped Fe(ZnO) Hybrid Microspheres for Ion Exchange Removal of Toxic Pollutants from Wastewater
Authors: Fatima Sahar , Imran Muhammad , Kanwal Farah , Javaid Ayesha , Latif Shoomaila , Boczkaj Grzegorz
Published: May 2023

In this work, polymeric microspheres derived from polystyrene-co-methyl methacrylate embedded with magnetic ZnO nanoparticles (poly(styrene-co-MMA)-3MPS-Fe (ZnO)) were synthesized using the suspension polymerization method. The surfaces of polymeric Fe(ZnO) microspheres were improved by functionalization with amino and sulphonate groups. The physicochemical analysis indicated a large number of positively charged (anion exchange) groups (91 mmol/g) on the amine-modified polymeric microsphere (MFZPI) and a large number of negatively charged (cation exchange) groups (90 mmol/g) on the sulphonate-modified polymeric microsphere (SMFZPI)—revealing ambivalent character of obtained sorbent. The characterization of the synthesized compounds using various analytical techniques such as TGA, FTIR, XRD, SEM/EDX, UV-VIS and VSM indicated that synthesized microspheres were thermally stable, semi-crystalline in structure with hollow irregular morphology, optically active in UV region and slightly magnetic in nature. Due to the introduction of groups having ion exchange properties, these modified poly(styrene-co-MMA)-3MPS-Fe(ZnO) microspheres were used for the ion exchange sorptive removal of Cr(III) and fluorescein from aqueous matrix. The equilibrium sorption capacity of Cr(III) was 16.79 mg/g whereas of fluorescein was 12.03 mg/g under optimized conditions. Therefore, SMFZPI was found to be a promising sorbent for both cationic heavy metals and anionic dyes due to the presence of both acidic and basic groups. The mathematical modelling revealed that the sorption phenomenon followed pseudo-second-order kinetics with Freundlich equilibrium isotherm, indicating multilayer chemisorption of the pollutants on the synthesized ion exchange sorbents. This work establishes the utilization of polymeric magnetic ZnO-based ion exchange sorbents to effectively remove harmful toxins from wastewater.
Semilocal convergence conditions for the secant method, using recurrent functions
Authors: Argyros Ioannis K. , Hilout Saïd
Published: May 2023

Using our new concept of recurrent functions, we present new

sufficient convergence conditions for the secant method

to a locally unique solution of a nonlinear equation

in a Banach space. We combine Lipschitz and center-Lipschitz

conditions on the divided difference operator to obtain the

semilocal convergence analysis of the secant method. Our error

bounds are tighter than earlier ones. Moreover, under our

convergence hypotheses, we can expand the applicability of the

secant method in cases not covered before [8],

[9], [12]-[14], [16], [19]-[21]. Application and examples are also

provided in this study.
Optimal inequality factor for Durand-Kerner's and Tanabe's methods
Authors: Cira Octavian , Cira Cristian Mihai
Published: May 2023

The convergence condition for the simultaneous inclusion methods is \(w^{(0)}<c(a,b,n)d^{(0)}\), where \(w^{(0)}\) is the maximum Weierstrass factor \(W^{0}_k\), \(k\in I_n\), and \(d^{0}\) is the minimum distance between \(z^{(0)}_1\), \(z^{(0)}_2\), \(\ldots\), \(z^{(0)}_n\), the distinct approximations of the simple roots of the polynomial \(\zeta_1\), \(\zeta_2\),\(\,\ldots\), \(\zeta_n\). The i-factor (inequality-factor) is the positive real function \(c(a,b,n)=\tfrac{1}{an+b}\). The article presents the optimum i-factor for the simultaneous inclusion methods Durand-Kerner and Tanabe.
Independent sets of interpolation nodes or "how to make all sets regular"
Authors: De Bruin Marcel G. , Mache Detlef H.
Published: May 2023

Hermite-Birkhoff interpolation and Pál-type interpolation have been receiving much attention over the years. Also during the previous 15 years the subject of interpolation in non-uniformly distributed nodes has been looked into. There are, however, not many examples known where lacunary problems (the orders of the derivatives for which data are given, are non-consecutive) are regular. Here lacunary Pál-type interpolation is looked into "the other way around": the interpolation points are given and the orders of the derivatives to be used are derived from the number of points.
Remarks on the quenching estimate for a nonlocal diffusion problem with a reaction term
Authors: Nachid Halima
Published: May 2023

In this paper, we address the following initial value problem\[\begin{array}{ll}\hbox{\(u_t=\int_{\Omega}J(x-y)(u(y, t)-u(x, t)){\rm d}y+f(u(x, t))\quad \mbox{in}\quad \overline{\Omega}\times(0,T)\),} \\\hbox{\(u(x,0)=u_{0}(x)\geq 0\quad \mbox{in}\quad \overline{\Omega}\),} \\\end{array}\]where \(\Omega\) is a bounded domain in \(\mathbb{R}^N\) with smooth boundary \(\partial\Omega\), \(f: (-\infty, b)\rightarrow (0, \infty)\) is a \(C^1\) convex nondecreasing function, \(\lim_{s\rightarrow b^{-}}f(s)=\infty\), \(\int^{\infty}\tfrac{{\rm d}\sigma}{f(\sigma)}<\infty\), with \(b\) a positive constant, \(J:\mathbb{R}^N\rightarrow \mathbb{R}\) is a kernel which is measurable, nonnegative and bounded in \(\mathbb{R}^N\). Under some conditions, we show that the solution of a perturbed form of the above problem quenches in a finite time and estimate its quenching time. We also prove the continuity of the quenching time as a function of the initial datum. Finally, we give some numerical results to illustrate our analysis.
Convergence analysis for the two-step Newton method of order four
Authors: Argyros Ioannis K. , Khattri Sanjay K.
Published: May 2023

We provide a tighter than before convergence analysis for the two-step Newton method of order four using recurrent functions. Numerical examples are also provided in this study.
Improving complexity of Karmarkar's approach for linear programming
Authors: Benterki Djamel , Bouafia Mousaab
Published: May 2023

In this paper, we are interested in the performance of Karmarkar's projective algorithm for linear programming. Based on the work of Schrijver, we offer a new displacement step better than Schrijver's one which led to a moderate improvement in the behavior of the algorithm shift. We show later that the algorithm converges after \(\frac{n}{1-\log\left( 2\right) +(\frac{nr^{2}}{10})}\log\big( \frac{c^{t}e_{n}}{\varepsilon}\big) \) iterations.  
This purpose is confirmed by numerical experiments showing the efficiency of the obtained algorithm, which are presented in the end of the paper.
Pursuing Antiracist Public Policy Education: An Example Connecting the Racist History of Housing Policy to Contemporary Inequity
Authors: Carpenter Craig , Augst Tyler , Fierke-Gmazel Harmony , Neumann Bradley , Wooten Richard
Published: May 2023

We review the antiracism concept and contextualize it in Extension public policy education and the Extension system itself. Despite public policy education having a long history in Extension on a wide variety of issues, missing from this programming is the pursuit of antiracism. As a programmatic example, we review some historical causes of present-day housing inequities and an associated example approach for pursuing antiracism in housing policy education. Finally, we conclude by noting additional opportunities to pursue antiracism in Extension public policy education. In doing so, we emphasize that public policy education cannot be “nonracist” if it is not antiracist.
Toward the Adoption of New Farming Systems among Farmers: A Case study of Short Rotation Woody Crops in North Carolina
Authors: Ile Omoyemeh , Typhina Eli , Brannum Katie , Parajuli Rajan , Bardon Robert , King John
Published: May 2023

This study explores the human dimensions of the broad-based adoption of Short Rotation Woody Crops (SRWCs) among farmers in North Carolina. We used an actor diagramming and tracing approach to explore factors influencing farmers’ adoption of SRWCs. Results suggest four factors strongly influence the adoption process: 1) market availability, 2) education awareness, 3) funding, and 4) social networking. Based on these results, we recommend that Extension professionals use the following education modules to prompt the adoption of SRWCs practices and potentially adopt other new farming practices: 1) ecological sustainability, 2) financial considerations, 3) harvesting, and 4) community building.
The Condensed STEM Survey as a Tool for Extension Educators
Authors: Sanchez Jafeth
Published: May 2023

One Extension Specialist implemented a STEM pilot robotics program across three middle school settings. A program evaluation to provide guidance and recommendations for future development, implementation, and continued evaluation was conducted as part of a larger study. This process led to the development of a condensed STEM survey that can be used by Extension professionals on STEM dispositions among middle school youth.
Strategies to Advance Antiracist Programs: Why They Matter
Authors: Scheer Scott
Published: May 2023

The U.S. Extension system has been aware for many years of the racial inequality and disparities present today and throughout U.S. history. Even though there have been concerted efforts in Extension to improve racial equity and inclusion, much work remains. A dual approach is proposed for Extension to focus both internally (program planners) and externally (program participants) to bring about antiracist programs that are inclusive and racially equitable. Research-based strategies are discussed for both domains of program planners (e.g., implicit bias training) and program participants (e.g., reach people of color through culturally relevant curricula).
Prioritizing Professional Development at the Interface of Natural Resources and Agriculture
Authors: Starzec Katherine
Published: May 2023

Continuous professional development is critical for Extension staff, and many agriculture-focused Extension employees are tasked with outreach related to a wide variety of natural resource topics. The purpose of this study is to help prioritize trainings needed by Kansas Extension agents and specialists based on their current level of knowledge and interest in staying up to date on 18 different natural resource topics. Responses to a statewide survey were analyzed using the Borich model. Results indicate priority professional development needs related to soil health; effects of climate; invasive species, harmful algal blooms; and groundwater, surface water, and air quality.
Cross-Frequency Coupling and Intelligent Neuromodulation
Authors: Yeh Chien-Hung , Zhang Chuting , Shi Wenbin , Lo Men-Tzung , Tinkhauser Gerd , Oswal Ashwini
Published: May 2023

Cross-frequency coupling (CFC) reflects (nonlinear) interactions between signals of different frequencies. Evidence from both patient and healthy participant studies suggests that CFC plays an essential role in neuronal computation, interregional interaction, and disease pathophysiology. The present review discusses methodological advances and challenges in the computation of CFC with particular emphasis on potential solutions to spurious coupling, inferring intrinsic rhythms in a targeted frequency band, and causal interferences. We specifically focus on the literature exploring CFC in the context of cognition/memory tasks, sleep, and neurological disorders, such as Alzheimer's disease, epilepsy, and Parkinson's disease. Furthermore, we highlight the implication of CFC in the context and for the optimization of invasive and noninvasive neuromodulation and rehabilitation. Mainly, CFC could support advancing the understanding of the neurophysiology of cognition and motor control, serve as a biomarker for disease symptoms, and leverage the optimization of therapeutic interventions, e.g., closed-loop brain stimulation. Despite the evident advantages of CFC as an investigative and translational tool in neuroscience, further methodological improvements are required to facilitate practical and correct use in cyborg and bionic systems in the field.
A New Species of Matelea (Apocynaceae, Asclepiadoideae) from the Península de Nicoya, Guanacaste, Costa Rica
Authors: Jiménez José Esteban , Méndez Miguel , Obregón-Carrillo Alexis
Published: May 2023

We describe and illustrate a new species of Matelea Aubl. from Península de Nicoya, Costa Rica. Matelea nicoyana J. E. Jiménez, M. Méndez & J. A. Obregón is morphologically similar to M. pseudobarbata (Pittier) Woodson but is distinguished by its stems with dispersed, pilose trichomes, leaf blades without pilose trichomes and with 12 to 15 colleters, calyx lobes deltate, inflexed, and corolla with reflexed and contorted lobes covered by white-translucent, flexuous trichomes adaxially. Data on its distribution and habitat, phenology, conservation status, and morphologically related species are given and photographs are presented. A dichotomous key is presented for species from Costa Rica sharing similar indument. The species proposed here increases the number of Matelea species in Costa Rica to 17, nine of which are endemic.
Kalp Yetmezliği Hastalarının Sağ Kalım Tahmini: Sınıflandırmaya Dayalı Makine Öğrenmesi Algoritmalarının Bir Uygulaması
Authors: BOZKURT KESER Sinem , KESKİN Kemal
Published: May 2023

Kardiyo-vasküler hastalıklar dünya genelinde en çok ölüme sebep olan hastalıklar arasında yer

almaktadır. Bir kardiyo-vasküler hastalık olan kalp yetmezliği, kalbin vücudun ihtiyaç duyduğu kanı

pompalayamaması durumudur. Ülkemizde sıklıkla görülen bu hastalığın sonucu olarak ölümler

yaşanmaktadır. Bu çalışmada kalp yetmezliğe sahip hastaların sağ kalım veya ölüm durumlarının tahmin

edilmesi için makine öğrenmesi tabanlı bir yaklaşım önerilmektedir. Üç farklı sınıflandırma algoritması

kullanılarak önerilen yöntemin etkinliği değerlendirilmektedir. Gerçekleştirilen deneylerde, Yapay Sinir

Ağı algoritması ile en yüksek doğruluk değerine (86.67%) ulaşılmıştır. Önerilen yöntem, ölüm riskinin

yüksek olduğu kalp yetmezliği hastalarına daha etkin ve uygun tedavi planlarının hazırlanması açısından

yol gösterici olacaktır.
Basınçlı Döküm Yöntemiyle Üretilmiş Mg-Cu Alaşımlarının Mekanik Özelliklerinin İncelenmesi
Authors: YARKADAŞ Güven , ŞEVİK Hüseyin
Published: May 2023

Bu çalışmada, saf magnezyum metaline farklı ağırlık oranlarında bakır (%1, 2 ve 4) ilaveli alaşımlar

kontrollü atmosfer ortamında soğuk kamaralı basınçlı döküm yöntemi ile üretilmiştir. Üretilen

alaşımların mikro yapı çalışmaları, için taramalı elektron mikroskobu (SEM) kullanılmıştır. Mekanik

özelliklerini belirlemek amacıyla sertlik ve çekme deneyleri gerçekleştirilmiştir. SEM görüntülerinde saf

magnezyuma Cu ilavesi ile tane sınırlarında Mg2Cu intermetaliği oluştuğu gözlenmiştir. Sertlik ve akma

mukavemeti değerlerinin bakır oranı arttıkça yükseldiği, çekme mukavemeti ve yüzde uzama

değerlerinin ise ağırlıkça %2 Cu değerine kadar arttığı %4 bakır ilavesinde ise bu değerlerin bir miktar

düştüğü tespit edilmiştir. Farklı sıcaklık ve gerilim değerlerinde yapılan sürünme testleri sonucu bakır

ilavesinin artması ile sürünme direncinin arttığı elde edilen “n” ve “Q” değerlerinden sürünme

mekanizmasının dislokasyon tırmanması olduğu tespit edilmiştir.
Farklı Oranlarda Geri Dönüşümlü Beton Agregaları Kullanılarak Üretilen Betonların Çevresel Etki Değerlendirmelerinin Yapılması
Authors: ULUCAN Muhammed , ALYAMAÇ Kürşat Esat
Published: May 2023

Bu çalışma, 24 Ocak 2020 Elazığ-Sivrice depremi sonrasında kontrollü bir şekilde yıkılan binalardan

ortaya çıkan geri dönüştürülmüş beton agregaları kullanılarak üretilen geri dönüşüm iri agregalı

betonların (GDİAB) ve doğal agregalı betonların (DAB) çevresel etki sonuçlarını karşılaştırmayı

amaçlamaktadır. Bu amaçla 12 farklı beton serisi üretilmiş ve çevresel etki değerlendirmeleri

karşılaştırılmıştır. Karşılaştırmalar yapılırken çevresel etki kategorilerinden Enerji Tüketimi, Küresel

Isınma Potansiyeli, Atık Üretimi ve Abiyotik Tükenme ele alınmıştır. Üretilen betonların çevresel etki

karşılaştırmalarını yapabilmek için dört farklı senaryo geliştirilmiştir. Senaryolar incelendiğinde geri

dönüşümlü beton agregaların kullanımının büyük çevresel faydalar sağladığı görülmüştür. Deprem

sonrası ortaya çıkan milyonlarca ton atık malzeme ve yeni inşa edilen binalar göz önüne alındığında, atık

malzemelerin geri dönüştürülmesinin büyük önem taşıdığı bir kez daha ortaya çıkmıştır.
Advanced oxidation process for treatment of water containing mixture of Acid Red 17, Acid Yellow 11, Direct Yellow 12, Direct Blue 86 and Mordant Violet 40 dyes
Authors: HASSAAN Mohamed A. , YILMAZ Murat , EL NEMR Ahmed
Published: May 2023

The removal of dyes from wastewater is one of the biggest problems in the textile industry for
both environment and manufacturers. This study examined the possibility of applying ozone
(O3) and O3 in combination with ultraviolet (UV) to treat a mixture of synthetic wastewater
containing five different dyes (Acid Red 17, Acid Yellow 11, Direct Yellow 12, Direct Blue 86
and Mordant Violet 40) for the decolorization efficiency of dyes with different chromophore
and anchor groups. The contact time was studied in a batch reactor under the flow of O3 or
O3 combined with UV to achieve optimal operating conditions. The results showed that the
application of O3 was more effective than UV-assisted ozonation. The advanced oxidation of
each dye in this mixture was compared with the removal of the same dye in the solution
separately. The results proved that there is only a slight difference in the time required to
remove the dye from the mixture and the single dye in the water solution.
lectura sobre la configuración urbano-portuaria en la provincia de Buenos Aires
Authors: Aversa María , Jáuregui Estefanía
Published: May 2023

El escrito deriva de una investigación en curso sobre el sistema portuario bonaerense; el recorte profundiza en la configuración territorial de cuatro puertos públicos con operatorias y condiciones físicas muy heterogéneas: Puertos de San Pedro, Dock Sud, Mar Del Plata y Bahía Blanca. El objetivo reside en analizar las condiciones físico-funcionales para la movilidad y la logística en el entorno urbano portuario, sus restricciones que afectan y son afectadas por los usos del suelo, la ocupación y la relación puerto ciudad. Metodológicamente parte de un abordaje cualitativo que incorpora datos cuantitativos, con información obtenida de fuentes secundarias y organismo oficiales, incorpora la fotointerpretación satelital y espacialización en sistemas de información geográfica. Se ordena con una primera parte conceptual y una segunda parte de análisis exploratorio de los usos del suelo, la ocupación y la infraestructura vial. Finalmente, una conclusión acerca de los desafíos de la planificación portuaria en la provincia.
Entornos virtuales como espacios de interacción para la evaluación institucional
Authors: Nin María Luz
Published: May 2023

El presente trabajo tomó como caso de análisis el procedimiento de re-acreditación de carreras de posgrado en la Universidad Nacional de Avellaneda, a través del entorno virtual Coneau Global-Atenea. Este procedimiento resulta especialmente interesante por, al menos, dos cuestiones. En primer lugar, porque implica la realización de una autoevaluación por parte de los Directivos y Cuerpo Académico de las carreras en funcionamiento, es decir, de las carreras que ya han completado al menos un ciclo de dictado de su plan de estudio y poseen graduados. En segundo lugar, porque se trata de un proceso de autoevaluación mediado por un entorno tecnológico del que participan distintos actores: Equipo Técnico de CONEAU, Equipo de sistemas de CONEAU, Técnicos de la UNDAV y Directivos, Coordinadores y Docentes de las distintas carreras de posgrado.
Maloklusi pada Penderita Cerebral Palsy
Authors: Abram Virginia E. N. , Gosal Sherly M. , Juliatri Juliatri
Published: May 2023

Cerebral palsy (CP) is a non-progressive disorder that affect the brain during the growth and development process. Various disorders in patients with cerebral palsy, such as dentocraniofacial and muscle abnormalities, can cause problems in dental and oral health, including malocclusion. The most common malocclusion described the patients with cerebral palsy is class II malocclusion with increased overjet and open bite. This literature review study aims to determine the classification and variation of malocclusion that occur in patients with cerebral palsy. This literature review research was conducted by searching for data using Google Scholar, Pubmed, and Science Direct databases. After being selected based on inclusion and exclusion criteria, a critical appraisal was carried out and 7 literatures were obtained. The result showed that Class II is the malocclusion that commonly occurs in patients with cerebral palsy, followed by Class I and Class III, with open bite as a common encounter malocclusion variant. In conclusion, the classification of malocclusion that occurs in patients with cerebral palsy is Class I, Class II and Class III. Generally, class II is the most common malocclusion in patients with cerebral palsy. Variations of malocclusion that occur in patients with cerebral palsy are open bite, crossbite, deep bite, crowding, spacing, a diastema, and increased overjet. The most prevalent variant is an open bite.
Keywords: cerebral palsy, malocclusion
 
Abstrak: Cerebral palsy (CP) adalah gangguan atau kerusakan non-progresif pada otak saat proses pertumbuhan dan perkembangan. Berbagai gangguan pada penderita cerebral palsy, seperti kelainan pada dentokraniofasial dan ototnya, dapat menimbulkan masalah dalam kesehatan gigi dan mulut termasuk menyebabkan maloklusi. Maloklusi kelas II dengan peningkatan overjet dan open bite merupakan maloklusi yang sering terjadi pada penderita cerebral palsy. Penelitian literature review ini bertujuan untuk mengetahui klasifikasi dan variasi maloklusi yang terjadi pada penderita cerebral palsy. Penelitian dilakukan dengan pencarian data menggunakan database Google Scholar, Pubmed, dan Science Direct. Setelah diseleksi berdasarkan kriteria inklusi dan eksklusi, dilakukan critical appraisal dan didapatkan 7 literatur. Hasil penelitian menunjukkan bahwa maloklusi kelas II merupakan maloklusi yang umumnya terjadi pada penderita cerebral palsy diikuti dengan kelas I dan kelas III, dengan variasi maloklusi yang sering ditemukan yakni open bite. Kesimpulan penelitian ini yakni klasifikasi maloklusi yang terjadi pada penderita cerebral palsy yaitu maloklusi kelas I, kelas II dan kelas III, dengan maloklusi kelas II merupakan maloklusi yang paling umum terjadi pada penderita cerebral palsy. Variasi maloklusi yang terjadi pada penderita cerebral palsy yaitu open bite, cross bite, deep bite, crowding, spacing, diastema dan peningkatan overjet. Variasi maloklusi yang paling umum ditemui pada penderita cerebral palsy merupakan open bite.
Kata kunci: cerebral palsy, maloklusi
Perancangan UI/UX aplikasi berbasis mobile Menggunakan Metode Design Thinking study khasus SISFO SKPI UNIMMA
Authors: Candra Alvine , Sukmasetya Pristi , Hendradi Purwono
Published: May 2023

Perkembangan teknologi mobile dan penggunaan aplikasi mobile semakin meningkat, terutama di lingkungan kampus. Sistem Informasi Surat Keterangan Pendamping Ijazah (SISFO SKPI) UNIMMA adalah sebuah sistem yang berfungsi sebagai tempat penyimpanan dan pengolahan data untuk membantu proses penerbitan surat keterangan pendamping ijazah bagi mahasiswa. Saat ini, kampus Unimma masih menggunakan aplikasi berbasis website. Namun, penggunaan website SISFO SKPI UNIMMA belum optimal dan tidak memperhatikan desain User Interface (UI) dan User Experience (UX) yang baik, sehingga pengguna merasa tidak nyaman saat menggunakan aplikasi tersebut. Oleh karena itu, penelitian ini bertujuan untuk melakukan perancangan ulang User Interface (UI) dan User Experience (UX) aplikasi SISFO SKPI UNIMMA dari website ke aplikasi berbasis mobile dengan menggunakan metode Design Thinking. Metode Design Thinking dipilih karena mampu mengeksplorasi berbagai kemungkinan solusi dengan melibatkan pengguna sebagai subjek utama. Penelitian ini dilakukan dengan tahapan-tahapan Design Thinking, yaitu empathize, define, ideate, prototype, dan testing. Hasil penelitian menunjukkan bahwa rancangan UI/UX aplikasi SISFO SKPI UNIMMA dengan metode Design Thinking mampu meningkatkan kualitas pengalaman pengguna dalam menggunakan aplikasi SISFO SKPI UNIMMA. Hal ini dibuktikan dengan hasil pengujian usability testing yang menunjukkan peningkatan signifikan pada kepuasan pengguna terhadap aplikasi. Rancangan UI/UX aplikasi SISFO SKPI UNIMMA ini diharapkan dapat menjadi dasar pengembangan rekomendasi lebih lanjut pada pengembangan aplikasi SKPI UNIMMA.
A “viagem da volta”: o ensino da língua e a territorialização nas aldeias Sede e Ytuaçu da Terra Indígena Alto Rio Guamá - Pará
Authors: da Silva Ponte Vanderlúcia , dos Santos Souza Jaqueline , Fernandes da Silva Tabita , Corrêa Pinto Lima Maria Roseane , Tembé Bewãri
Published: May 2023

O presente estudo busca compreender em que medida o processo de inserção da Língua Tembé na aldeia Sede, da Terra Indígena Alto Rio Guamá (TIARG), impulsionou, entre os Tembé, outros mecanismos políticos por meio dos quais esse povo acionou a memória histórica de contato e os saberes dos mais velhos. Assim, a metodologia pauta-se na pesquisa etnográfica por meio de trabalho de campo e entrevistas abertas, o que nos permitiu maior aproximação das experiências. Ao final, constatou-se que o processo de retomada da língua Tembé está diretamente vinculado aos processos de territorialização dos Tembé, os quais ocorreram por meio de ajuda mútua e solidariedade com os Tembé do Gurupi, bem como pelo incentivo e inserção do ensino da língua indígena Tembé nas escolas, movimentos engendrados como estratégias de autoafirmação da indianidade Tembé e do território Tenetehar.
CONTROL OF THE UNITS OF MEASUREMENT OF PHYSICAL QUANTITIES IN MATHEMATICAL SIMULATION ON PYTHON
Authors: Semenov Ivan , Shishkin Mark
Published: May 2023

The thesis reveals the problem of units of measurement of physical quantities in mathematical simulation of technological processes using the Python programming language. General information about the purpose and capabilities of the “Pint” module is given. It is shown the module allows you to perform mathematical calculations with taking control of units of measurement
ROTARY JET ABSORBER
Authors: Bal'chugov Aleksey , Badenikov Artem
Published: May 2023

An improved design of a rotary jet apparatus is considered. The new apparatus is characterized by high intensity of mass transfer processes and low material consumption
FLUORINE-CONTAINING COMPOUNDS IN THE PROCESS OF ELECTROCHEMICAL NICKEL PLATING
Authors: Boycova Alena , Casanova Tatiana , Sosnovskaya Nina , Korchevin Nikolay
Published: May 2023

The influence of various compounds on the process of electrochemical nickel plating is considered. It is shown that organoelement compounds can be used as additives in nickel plating electrolytes. It is proposed to investigate fluorine-containing compounds as leveling and gloss-forming additives in the process of electrochemical nickel plating
PROBLEMS OF TEACHINGMATHEMATICAL DISCIPLINES DEPENDING ON THE DIRECTION OF TRAINING
Authors: Museva Tat'yana , Aslamova Vera
Published: May 2023

The article discusses the problems arising in the implementation of mathematical training of bachelors and masters in technical areas that meet the requirements of the time in terms of digitalization of education, including the use of computer technology
IMPACT OF RESPIRATORY SYMPTOMS ON THE QUALITY OF LIFE OF PATIENTS WITH OCCUPATIONAL BRONCHOPULMONARY PATHOLOGY
Authors: Beigel Elena , D'yakovich Marina
Published: May 2023

A comparative analysis of the intensity of respiratory symptoms was carried out using the COPD Assessment Test questionnaire, followed by an assessment of the limitation of the quality of life in patients with occupational bronchopulmonary pathology in the post-contact period
ON THE ISSUE OF THE OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEM AT THE ENTERPRISE
Authors: Krasnova Anzhela , Trofimov Artemy
Published: May 2023

The elements of the occupational safety management system (OSS) at the enterprise for the production of paper and cardboard products, namely, the main goals of the employer in the field of occupational safety, as well as procedures for achieving them, are considered
KEY COMPETENCIES OF SPECIALIST
Authors: Grin Nadezhda
Published: May 2023

The key competencies of specialist from the point of view of competitiveness are analyzed
THE SOLVING PROBLEM OF BOTTOM SEDIMENTS IN TANK FARMS FOR STORING OIL AND PETROLEUM PRODUCTS
Authors: Komarov Oleg , Dement'ev Anatoliy , Podoplelov Evgeniy
Published: May 2023

The problem of accumulation of bottom sediments in reservoir tanks during the storage of paraffin oil is considered. The attention is focused on efficiency of the mixing device "Typhoon"