bluuebunny/crossref_metadata_2025_split huggingface dataset:
Thermoelastic effect in porous media: dispersion and attenuation analysis
Authors: Noé Izabela Bastos , Azeredo Marcia Miranda , Priimenko Viatcheslav Ivanovich 
Published: June 2022

Abstract. The theory of thermoelasticity for saturated porous media correlates the heat equation with the poroelastic equations through the coupling between the fields of mechanics deformations and temperature. This theory is widely used in the analysis of high pressure and high temperature reservoirs and other areas of knowledge. We analyze the dispersion and attenuation of the thermoelastic waves depending on the time frequency, thermic, and petrophysical parameters of a medium. Three different poroelastic models coupled with the hyperbolic heat equation are considered: the Biot models, with and without viscous dissipation, and the Biot-JKD model, which involves the dynamic permeability of the rock.Keywords: thermoelastic coupling; hyperbolic heat equation; Biot/Biot-JKD equations; thermic and petrophysical parameters; dispersion and attenuation effect Efeito termoelástico em meios porosos: Análise de dispersão e atenuaçãoResumo. A teoria da termoelasticidade para meios porosos saturados correlaciona a equação do calor com as equações poroelásticas através do acoplamento entre os campos de deformações mecânicas e temperatura. Esta teoria é amplamente utilizada na análise de reservatórios de alta pressão e alta temperatura e em outras áreas do conhecimento. Analisamos a dispersão e atenuação das ondas termoelásticas em função da frequência temporal, parâmetros térmicos e petrofísicos de um meio. São considerados três diferentes modelos poroelásticos acoplados à equação do calor hiperbólico: os modelos Biot, com e sem dissipação viscosa, e o modelo Biot-JKD, que envolve a permeabilidade dinâmica da rocha.Palavras-chave: acoplamento termoelástico; equação de calor hiperbólico; equações Biot/Biot-JKD; parâmetros térmicos e petrofísicos; efeito de dispersão e atenuação.
Regression and Machine Learning Methods to Predict Discrete Outcomes in Accounting Research
Authors: Krupa Jake , Minutti-Meza Miguel 
Published: June 2022

ABSTRACT
Predictive modeling focuses on iteratively trying various combinations and transformations of a set of variables to generate a decision rule that predicts outcomes for new observations. Although accounting researchers have demonstrated interest in predictive modeling, we identify a lack of accessible and applied guidance on this topic for accounting settings. This issue has become more salient with the increasing availability of machine learning models that use unfamiliar terminology, are estimated using algorithms, and produce different outputs than other models used for causal inference. To overcome this gap, we provide an overview of how to predict discrete outcomes with logistic regression and machine learning models used in recent studies. We also include guidance and a comprehensive example—predicting investigations by the U.S. Securities and Exchange Commission—that illustrates the elements of the prediction process, highlighting the importance of out-of-sample accuracy and unique aspects in the presentation of a prediction model's results.
Data Availability: The data and code to replicate our example are available upon request. First, those interested must request and receive the SEC investigation data from Blackburne et al. (2021). Next, we will provide code to merge the SEC investigation data with Compustat and CRSP and replicate our analyses.
JEL Classifications: C10; C25; C45; C53; M48.
Implementation of a Prediabetes Risk Test for an Underserved Population in a Federally Qualified Health Center
Authors: Kim Misun , Kreider Kathryn Evans , Padilla Blanca I. , Lambes Katherine 
Published: June 2022

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<p>Consistent screening for prediabetes is imperative to ensure early detection and timely intervention to prevent progression to diabetes. Adopting a standardized approach such as a screening tool can streamline the screening process. This articles describes a quality improvement project conducted at a federally qualified health center to assess whether implementation of the Prediabetes Risk Test improved early detection of prediabetes in an underserved population. Use of the risk test was found to improve detection of prediabetes in this populatio</p>
Implementasi Pengembangan Bahan Ajar Berbasis Howard Gardner’s Multiple Intelligences Untuk Meningkatkan Kemampuan Koneksi Dan Kemandirian Belajar Siswa
Authors: Sulastri Fitri 
Published: June 2022

Penelitan ini bertujuan untuk mengetahui peningkatan kemampaun koneksi dan kemandirian belajar siswa yang pembelajarannya menggunakan Modul Program Linear Berbasis Howard Gardner’s Multiple Intelligences. Penelitian ini adalah penelitian mix method dengan tindakan penelitian adalah penelitian tindakan kelas yang dilaksanakan di kelas XI MIPA 2 sebagai kelas modul MI dan XI MIPA 3 sebagai siswa kelas konvensional. Instrumen yang digunakan adalah tes kemampuan koneksi dan skala kemandirian belajar siswa. Uji statistik yang dilakukan adalah Independent Sample t-test, Uji Mann Whitney, dan Uji Korelasi Berganda. Hasil penelitian yang diperoleh adalah: (1) Modul Program Linear Berbasis MI dapat meningkatkan kemampuan koneksi matematis siswa; (2) Peningkatan kemampuan koneksi matematis siswa yang pembelajarannya menggunakan modul MI lebih baik dari pada siswa dengan pembelajaran konvensional; (3) tidak terdapat peningkatan kemandirian belajar siswa yang pembelajarannya menggunakan modul MI; (4) tidak terdapat korelasi antara kemampuan koneksi dan kemandirian belajar siswa.
The Cosmic Black Hole as a Solution of the Relativistic Quantum Mechanical DIRAC Equation
Authors: Vegt Wim 
Published: June 2022

For many physicists, Albert Einstein’s Theory of General Relativity is the top of Physics. A whole new concept, based on a flexible Space-Time Continuum. A wonderful New and Original insight in the Origins of Space and Time. But nowadays physics requires more than a fundamental theory about Space and Time.
The Mathematical foundation for a “Quantum Mechanical Model of the Black Hole” is based on a 10-dimensional Space-Time Continuum. This article has been written in projections of a 10-Dimensional Space-Time Continuum within an easier to understand 4-Dimensional Space-Time Continuum. For that reason, this theory will not start with “Einstein’s famous Field Equations”, but the start will be at a very fundamental concept in Physics. Isaac Newton’s 3rd law as a fundament in Classical- and Quantum Mechanics.
To make the theory of the “Quantum Mechanical Model of the Black Hole” as much understandable as possible, this article starts with a short comprehension of the theory.
A comparative Life Cycle Assessment between recycled aggregate and natural aggregate
Authors: Suárez Silgado Sindy Sofía , Roca Ramón Xavier , Calderón Valdiviezo Lucrecia 
Published: June 2022

The construction industry consumes many natural resources and generates a large amount of waste in the environment, in all phases of the life cycle. For this reason, the use of recycled material is increasingly being encouraged, instead of original raw material for the production of new materials that contribute to closing the materials cycle.
The objective of this study was to evaluate and compare the environmental impacts of obtaining natural aggregate and recycled aggregate, taking Spain as a case study. Life cycle assessment (LCA) and the IMPACT 2002+ method were used to calculate the environmental impacts. To carry out the inventory, primary information was obtained and subsequently complemented and compared with the Ecoinvent v2.2 database.
The results of this study show that the obtaining of natural aggregate has environmental impacts on all the evaluated categories. Recycled aggregate from reinforced concrete has impacts on the carcinogenic and non-carcinogenic effects category. However, it results in significant savings in the other categories. Recycling aggregate on the construction site resulted in higher savings in most categories than recycling aggregate at the plant.
Modified Biopsy Assessment for Endobronchial Ultrasound in Diagnosis of Peripheral Lung Neoplasms
Authors: Pushkarev E. A. , Vazhenin A. V. , Kulaev K. I. , Yusupov I. M. , Zuikov K. S. , Popova I. A. , Kazantsev A. S. 
Published: June 2022

Background. Diagnosis and treatment of malignant lung neoplasms are pressing issues. Peripheral lung cancer verification rate with endobronchial ultrasound varies within 30–85 %.Aim. To advance endobronchial ultrasound precision, a modified biopsy technique has been developed and introduced into clinical practice at the Chelyabinsk Regional Clinical Centre for Oncology and Nuclear Medicine. The modification comprises real-time ultrasound image guidance of the biopsy forceps alignment and opening. The technique patent for invention is RU 2719666 C1.Materials and methods. Modified endobronchial ultrasound has been performed in 66 patients with suspected peripheral lung malignancy at the Centre’s Department of Endoscopy within 2019–2021. Bioptic material was delivered for histological and, when necessary, immunohistochemical examination.Results. Malignancy diagnosis was verified in 78.8 % cases. The modified technique is relatively safe, with complications detected in two patients (3.8 % cases) and managed conservatively with success. Discussion. The standard biopsy technique provided for a lung malignancy verification rate of 57.7 % over 2019–2021. Thus, the rate improvement by modified technique is 21.1 %. The modified technique is relatively safe, with complications reported in two patients (3.8 % cases) and managed conservatively with success. Modified endobronchial ultrasound was adequately tolerated, with no increase in patient examination time. The technique can supersede more invasive diagnostic procedures.Conclusion. We believe that the modified technique will improve the power of endobronchial ultrasound, reduce examination time and expedite prescription of special therapies.
Successful Treatment of Transplanted Kidney Patient with 100% Lung Damage Caused by COVID-19 Bilateral Pneumonia: a Clinical Case
Authors: Nuriakhmetov R. R. , Panteleev V. S. , Zagitov A. R. , Nartailakov M. A. , Kornilov M. N. , Biganyakov I. I. 
Published: June 2022

Background. The new SARS-CoV-2 coronavirus infection is understudied; despite its worldwide prevalence, case reports of organ transplant recipients are rare.Aim. A dynamics evaluation and treatment outcome improvement in a transplanted cadaveric kidney patient with 100% parenchymal lung damage caused by SARS-CoV-2 coronavirus bilateral pneumonia.Materials and methods. We describe a successful treatment case of a transplant kidney patient having the new coronavirus infection (COVID-19) (of 03.12.2020). COVID-19 pneumonia was diagnosed on day 7 of the early post-transplant period. On day 14, the patient was admitted to an infectious ward and transferred to intensive care upon disease aggravation. Despite ongoing treatment, pulmonary parenchymal lesion reached 100% in CT scan on 24.12.2020. The patient was transferred to Surgery Unit No. 3 for further therapy on 11.01.2021 upon revealing a clinical improvement, positive laboratory dynamics and SARS-CoV-2-negative smear PCR tests. The patient was discharged for outpatient treatment on day 10.Results and discussion. No evidence of focal infiltrative pulmonary change was detected in control chest CT after 4 months. Within 5 months since discharge, there were observed a general well-being improvement, 98% oxygen saturation, absent oedema, satisfactory transplanted kidney function.Conclusion. Post-kidney-transplant patients are particularly susceptible to infection due to inherent chronic immunosuppression. The presented case of a kidney transplant patient having a favourable COVID-19 outcome demonstrates the efficacy of a timely treatment.
3D Conformal Radiotherapy in Cervical Metastasis to Brain
Authors: Minyazeva R. K. , Battalova G. Yu. , Sakhautdinova I. V. , Tayupova I. M. , Gilyazova I. R. 
Published: June 2022

Background. Cervical cancer is among the commonest malignancies and a top fourth leading cause of cancer death in women worldwide. The five-year survival rate in locally advanced cervical cancer is 91.5%, and only 17.2% — in distant metastasis. Primary cervical cancer metastasis to brain is very rare. Report and analysis of quite rare clinical cases may shed light on this issue, helping formulate relevant therapeutic and diagnostic interventions.Materials and methods. The article describes a case of cervical cancer metastasis to brain. The patient received modern 3D conformal intensity-modulated (IMRT) and image-guided (IGRT) radiation therapies on an Elekta Synergy highenergy linear digital accelerator instrument.Results. Clinical effect has been achieved by end of treatment. Time since diagnosis of primary cervical cancer was 13 months, and 7 months — since diagnosis of brain metastasis.Discussion. The survival rate in brain metastasis is marginal-low and depends on the patient’s age, primary tumour state, presence of extracranial metastases, as well as volume, number and location of metastases in brain parenchyma. An integrated approach including surgery, radiation and chemotherapy is considered superior to improve survival and the quality of life.Conclusion. Despite sheer coverage of therapies available, the mean survival rate in intracranial metastasis remains subtle. Thereby, research and discovery of relapse and metastasis biomarkers of cervical cancer is relevant.
De la empresa familiar a la familia empresaria: Enfoque de Bienestar Subjetivo
Authors: Porto-Robles Zusell , Watkins-Fassler Karen , Rodríguez-Ariza Lázaro 
Published: June 2022

A pesar de que el estudio de la empresa familiar tiene historia y cuenta con múltiples teorías como apoyo a la investigación, existe la necesidad de utilizar enfoques que permitan comprender mejor esta realidad, a partir de los miembros de la familia que la integran. Esta investigación hace una revisión sobre las teorías que pueden servir de fundamento al estudio de la empresa familiar y de la familia empresaria. Concluye con la presentación del Enfoque de Bienestar Subjetivo como nueva forma de estudio de la empresa familiar, pudiendo contribuir al enriquecimiento de otros conceptos al incluir en el análisis las emociones y enfocarse en los miembros de la familia empresaria.
Revisión sistemática de la literatura: Beneficios de los videojuegos en Educación Primaria
Authors: Mielgo-Conde Iván , Seijas-Santos Sara , Grande de Prado Mario 
Published: June 2022

Los videojuegos y su uso como una herramienta en el proceso de aprendizaje es una temática relevante dentro de la literatura científica educativa, en la que la gamificación, los juegos serios y el aprendizaje basado en juegos atraen cada más la atención de los educadores. El objetivo de este estudio consiste en revisar la literatura científica educativa sobre los videojuegos y sus beneficios en Educación Primaria, con especial atención a las publicaciones españolas. Se ha procedido a revisar las asignaturas implicadas, el número de publicaciones por año y la relevancia de las revistas que los publican y conocer la frecuencia de publicación de artículos por revistas. También se han consultado las citas recibidas en Google Scholar. Los beneficios encontrados en esta revisión incluyen la atención, la concentración o la resolución de problemas. Se trata de un recurso con gran potencial didáctico y de gran interés, siendo una herramienta muy atractiva para y capaz de jugar un importante papel dentro del desarrollo cognitivo. Gracias a la evolución que han sufrido a lo largo de los años, los videojuegos se pueden utilizar en una gran diversidad de plataformas adaptándose a las distintas áreas de la Educación Primaria, destacando las Matemáticas y las Ciencias Sociales.
A New Perspective of Genome Regulation from the Physics of Life Standpoint
Authors: Ērenpreisa Jekaterina , Giuliani Alessandro 
Published: June 2022

Abstract
The convergence between a statistical mechanics and biological approach in elucidating some basic features of cell differentiation opens new avenues of research in gene expression regulation and holds some promises in terms of a re-differentiation approach to a cancer cure. The message emerging from two recent papers by the authors of the present communication follows very simple basic lines. The time-honored concept of homeostasis, at the very basis of physiology, is in action even at the microscopic level of gene expression regulation, where a continuous (relatively small) oscillation of gene expression is mandatory for keeping alive the substantial stability of the gene expression profile typical of a given cell type. This mechanism of stability, when oscillation exceeds a certain threshold, is responsible for the spreading of a large-scale perturbation invading the entire genome and eventually giving rise to cell fate change. The material basis of this model was discovered in the onset of a global reorganisation of chromatin driven by fusion-splitting dynamics of pericentromeric associated domains that, by selective folding/unfolding of chromatin, allows for a global scale re-arrangement of genome expression.
Edible Mushrooms Could Take Advantage of the Growth-Promoting and Biocontrol Potential of Azospirillum
Authors: Tsivileva Olga , Shaternikov Andrei , Ponomareva Elena 
Published: June 2022

Abstract
Investigations of biologically active substances sourced from xylotrophic macromycetes have shown their fundamental and practical significance. These studies have promoted the development of biotechnologies by obtaining the valuable products from the mycelial biomass and cultivation liquid and using these fungal species in “white chemistry”. Research into environmentally safe biological methods of stimulating the growth of medicinal and edible mushrooms can assist the development of scientific foundations of culture technologies. From the viewpoint of their bio-technological potential, selected factors of biological origin that promote the growth of wide-scale cultivated basidiomycetes are of interest. Improving mushroom resistance against negative environmental impacts seems to be feasible when the mushroom grows in combination with growth-promoting bacteria. The soil bacteria from the Azospirillum genus have attracted attention, as microorganisms are capable of actively influencing the growth and development of agricultural crops. Thus, revealing and exploring the growth-promoting properties of different species of Azospirillum with respect to edible and/or medicinal mushrooms, as well as the properties promoting the suppression of contaminants in double culture, are believed to be feasible and to reveal undoubted novelty. Cultivation jointly with the beneficial bacteria is a more effective biotechnological method for obtaining this valuable functional food faster, with a greater and much better and maintained mushroom yield. Future work involves addressing the problems of mushroom growth promoting bacterial interactions with mushrooms and implementing these synthetic microbial associations into agriculture.
Mapping Submarine Geomorphology of the Philippine and Mariana Trenches By an Automated Approach Using GMT Scripts
Authors: Lemenkova Polina 
Published: June 2022

AbstractThis paper presents a geospatial analysis of two oceanic trenches using a GMT (Generic Mapping Tools) cartographic method that exploits the scripting approach to visualisation of their geometric shapes. To this end, the research applies the high-resolution datasets GEBCO and ETOPO1 and ETOPO5 for modelling of the submarine relief. This allows taking into account the 2D and 3D shape deviations in the geomorphology of the two selected segments of the trenches by transecting a series of the cross-section profiles. A scripting algorithm of spatial data processing based on the GMT techniques visualised the topography of the submarine objects in 2D and 3D forms and extracted the topographic data from raster grids for statistical analysis of depth using the cross-section transect profiles of both trenches. The bathymetry of the Mariana Trench was evaluated in the southern segment located near the Challenger Deep area, southwest of Guam Island, in comparison with the segment of the Philippine Trench, which was transected in the surroundings of Mindanao Island. The study presented a comparative submarine geomorphic modelling and spatial analysis of the Philippine Sea basin area. The bathymetric analysis of the relief in the Mariana and Philippine trenches showed effective performance of the GMT scripting toolset in advanced cartographic data analysis and visualisation.
Sweet Pepper Seed Germination and Seedling Growth After Treatment with Slug Mucus
Authors: Zolovs Maksims , Kivleniece Inese , Kurakina Olga 
Published: June 2022

Abstract
The development of new methods of crop production is the most promising field of research in agriculture. There are numerous chemical techniques of seed treatment before sowing; however, mollusc mucus has not been considered as a natural alternative of seed treatment yet. In this study, we treated sweet pepper seeds with Spanish slug mucus before sowing. Seed germination success, germination time, as well as the performance of seedling growth were compared between experimental and control groups. The main result showed that seeds treated with slug mucus required significantly fewer days to germinate than seeds without treatment. Although treated seeds exhibited faster germination, seedlings showed slower growth than in the control group. No significant difference of seed germination success between the control and experimental group was found.
Legal Mechanisms for Adapting Contracts to Changing Economic Conditions in Professional Dealings
Authors: Szarszoń Karolina 
Published: June 2022

Abstract
In accordance with the principle of freedom of contract, expressed in Article 3531 of the Civil Code, the parties may shape the legal relationship at their own discretion, inter alia, by including valorisation clauses. Many years of market stabilisation, especially the low inflation rate, led to almost unreflective contracting in business. A number of contracts concluded in recent years do not contain any mechanisms that would allow a change of remuneration due to the change of economic conditions, including in particular, increase of prices. Currently, due to the unstable economic situation and constantly rising inflation, indexation clauses should be widely used to protect parties’ interests. This article focuses on such clauses and the options available to the contracting parties in the absence of incorporation of such reservations in contract. The first part of the article discusses the issue of the indexation clause itself, followed by the issue of protecting the parties from potential losses caused by uncertainty of trade. The following part of article will focus on the secondary action needed to mitigate losses caused by market instability and lack of prior inclusion of indexation clauses in the concluded contract.