bluuebunny/crossref_metadata_2025_split huggingface dataset:
Application of Orbital Stability and Tidal Migration Constraints for Exomoon Candidates
Authors: Quarles Billy , Li Gongjie , Rosario-Franco Marialis 
Published: October 2020

Abstract
Satellites of extrasolar planets, or exomoons, are on the frontier of detectability using current technologies and theoretical constraints should be considered in their search. In this Letter, we apply theoretical constraints of orbital stability and tidal migration to the six candidate Kepler Object of Interest (KOI) systems proposed by Fox & Wiegert to identify whether these systems can potentially host exomoons. The host planets orbit close to their respective stars and the orbital stability extent of exomoons is limited to only ∼40% of the host planet's Hill radius (∼20 R
p). Using plausible tidal parameters from the solar system, we find that four out of six systems would either tidally disrupt their exomoons or lose them to outward migration within the system lifetimes. The remaining two systems (KOI 268.01 and KOI 1888.01) could host exomoons that are within 25 R
p and less than ∼3% of the host planet's mass. However, a recent independent transit timing analysis by Kipping found that these systems fail rigorous statistical tests to validate them as candidates. Overall, we find the presence of exomoons in these systems that are large enough for transit timing variation signatures to be unlikely given the combined constraints of observational modeling, tidal migration, and orbital stability. Software to reproduce our results is available in the GitHub repository: Multiversario/satcand.
Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars*
Authors: Roederer Ian U. , Lawler James E. , Holmbeck Erika M. , Beers Timothy C. , Ezzeddine Rana , Frebel Anna , Hansen Terese T. , Ivans Inese I. , Karakas Amanda I. , Placco Vinicius M. , Sakari Charli M. 
Published: October 2020

Abstract
We report the first detection of the Pb ii line at 2203.534 Å in three metal-poor stars, using ultraviolet spectra obtained with the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope. We perform a standard abundance analysis assuming local thermodynamic equilibrium (LTE) to derive lead (Pb, Z = 82) abundances. The Pb ii line yields a higher abundance than Pb i lines by +0.36 ± 0.34 dex and +0.49 ± 0.28 dex in the stars HD 94028 and HD 196944, where Pb i lines had been detected previously. The Pb ii line is likely formed in LTE, and these offsets affirm previous calculations showing that Pb i lines commonly used as abundance indicators underestimate the Pb abundance in LTE. Pb is enhanced in the s-process-enriched stars HD 94028 ([Pb/Fe] = +0.95 ± 0.14) and HD 196944 ([Pb/Fe] = +2.28 ± 0.23), and we show that 208Pb is the dominant Pb isotope in these two stars. The

(Pb/Eu) ratio in the r-process-enhanced star HD 222925 is 0.76 ± 0.14, which matches the solar system r-process ratio and indicates that the solar system r-process residuals for Pb are, in aggregate, correct. The Th/Pb chronometer in HD 222925 yields an age of 8.2 ± 5.8 Gyr, and we highlight the potential of the Th/Pb chronometer as a relatively model-insensitive age indicator in r-process-enhanced stars.
Bilateral diffuse anterior scleritis after unilateral cataract surgery: a case report
Authors: Matsuura Kazuki , Ryu Uotani  , Yoshitsugu Inoue  
Published: October 2020

Abstract
Surgically induced scleritis (SIS) is a rare complication after a variety of ocular surgeries. Majority of the patients had had two or more surgical procedures before the onset of SIS. We report a patient who developed bilateral diffuse scleritis after unilateral cataract surgery.
A 64-year-old man presented with red eye and tenderness in the right eye. An uneventful cataract surgery had been conducted in the right eye 5 months earlier. He had lost vision in the left eye 25 years ago, and there had been no ocular symptoms in both the eyes for the previous 20 years. Scleritis of the right eye appeared 5 months after cataract surgery, and scleritis of the left eye developed three months later. No previous reports referred to the possibility that the right eye surgery could induce scleritis in the left eye. Continuous...
DCUN1D1 promotes tumor progress in prostate cancer and its effect on DU145 in vitro
Authors: Shun-tan Huang  , Ze-zhen Liu  , Fu-Neng Jiang  , Hui-chan He  , Wei-De Zhong  
Published: October 2020

Abstract
Objective: To compare the expression levels of Defective In Cullin Neddylation 1 Domain Containing 1 oncogene in prostate cancer tissues and normal prostate tissues, to explored its effect on cancerous cells, and to investigate its underlying mechanisms on such cells in vitro.
Methods: The cross-sectional study was conducted at Guangdong Key Laboratory of Clinical Molecular Medicine and Diagnostics from Jan 03,2017 to Nov 05,2018, and comprised prostate tissue samples on which immunohistochemistry was used to detect the expression of Defective In Cullin Neddylation 1 Domain Containing 1 oncogene. Short hairpin ribonucleic acid expression plasmid targeting the oncogene was constructed and transferred into prostate cance cell line DU145. The roles of the oncogene in prostate cancer progression were confirmed in vitro. The expression of vimentin and epithelial cadherin influenced by the oncogene were detected using Western blot. Data was analysed using SPSS 24.
Results: Of the 80 samples, 3(3.75%) were normal prostate tissues, 7(8.75%) adjacent normal prostate tissues, 20(25%) hyperplasia, and 50(62.5%) prostate cancer tissues. Defective In Cullin Neddylation 1 Domain Containing 1 oncogene expression in prostate cancerous tissues was significantly associated with high Gleason score (p<0.001), metastasis (p<0.05) and pathological stage (p<0.001). The oncogene was found to be an independent prognostic factor for disease-free survival of prostate cancer patients (p=0.0108). In vitro analysis confirmed the tumour promotive role of the oncogene through cell proliferation, invasion and migration assays.
Continuous...
EFFECT OF RESTRICTED DIETS ON THE GROWTH AND MEAT COMPOSITION OF BROILERS
Authors: Memon A. , Baloch G. M. , Khaskheli M. , Qureshi T. A. 
Published: October 2020

The trail on effect of restricted diets on the growth and meat composition of broilers was conducted at Department of Animal Nutrition, Sindh Agriculture University, Tandojam, Pakistan. fifty poultry feed ingredients were randomly selected and 30 least cost ingredients were purchased and analyzed for proximate analysis. After proximate analysis, three rations were formulated from 14 ingredients designated as Ration 1 (17% CP and 2900 ME), Ration 2 (21% CP and 2800 ME) and Ration 3 (24% CP and 2700 ME). After ration formulation, 45, day old chicks were purchased and reared for each ration for six weeks. Chicks of each ration were further divided in three groups i-e A, B and C having 15 chicks each. The chicks of each group were also divided in three replicates having 05 chicks. Group A was reared as control, group B was restricted to feed for 04 hours in brooding to rearing stage and group C was restricted to feed for 08 hours daily in brooding to rearing stage. Results revealed the initial weight of a day-old broilers was non-significant (P<0.05). Significantly higher (P>0.05) feed consumption (2218.74 g) was observed in group B2, water consumption 7095.3 ml , and final body weight 1134.76 g in B3 , weight gain 1086.61 g (B3), carcass weight 716 g (B3), dressing % 63.10% (B3), FCR 1.853 (B3). Significant (P>0.05) maximum meat moisture content 72.87% was noted in group B3, meat protein 13.77% in B3, fat % 4.78% in C1, and ash 1.85% in B2. The better per bird profit gain of Rs. 89.71 was recorded in B2. It was concluded that the broilers can be restricted their feed (containing 24% CP and 2700 ME) for 04 hours daily in brooding to rearing period for better growth and meat composition but per bird profit margin was low due to high cost of production therefore, broilers can be reared economically on ration 2 containing 21% CP and 2800 ME and their feed can be restricted for 04 hours daily.
MODELO DE CONTROL INTERNO PARA PYMES EN BASE AL INFORME COSO - ERM
Authors: Mancero Arias María Gabriela , Arroba Salto Inés María , Pazmiño Enríquez José Ernesto 
Published: October 2020

En el presente trabajo se evalúan los procesos realizados dentro de una pyme con el objetivo de investigar las falencias en la compañía y diagnosticar el estado actual de los procesos, seleccionar las áreas que muestren necesidad de organización y así poder determinar la factibilidad y aplicación del modelo de control interno en base al informe COSO. Mediante la metodología mixta se realizaron entrevistas y encuestas a todo el personal con el fin de obtener los resultados más precisos. Estos resultados derivados en las dimensiones analizadas obtuvieron porcentajes muy similares de necesidad de aplicación de procesos de control interno, concluyendo de esta manera en que la compañía presenta graves falencias en el control de dichos procesos, lo que está repercutiendo directamente en la productividad general y podría llevarlos a desaparecer del mercado a corto plazo sino valoran aplicar un modelo de control interno que les permita reestablecer controles en la compañía.
Palabras Clave: Control interno, COSO, productividad, PYMEs.
Referencias
[1]M. Carmona Gonzales y Y. Barrios Hernandez, «Nuevo paradigma del control de gestion interno y su impacto en la gestión pública,» Economia y Desarrollo, pp. 2-3, 2007.
[2]M. Mancero, M. Macay y M. Mora, «Procedimientos aplicables en las auditorías de estados financieros,» Universidad, Ciencia y Tecnología, vol. 2, nº 02, pp. 165-170, 2019.
[3]G. Mancero, Modelo de Control Interno para una empresa de servicios, Guayaquil, 2018.
[4]M. Chiang, M. Salazar, P. Huerta y A. Nuñez, «Clima organizacional y satisfacción laboral en organizaciones del sector estatal.,» UNIVERSUM, pp. 66-85, 2018.
[5]G. Rivas, «Modelos contemporáneos de control interno.,» Observatorio Laboral Revista Venezolana, vol. 4, nº 8, pp. 115-136, 2011.
[6]Instituto Americano de Contadores Públicos Certificados, 2017. [En línea]. Available: http://www.aicpa.org/Pages/default.aspx. [Último acceso: 15 10 2018].
[7]M. A. Bunge, «El planteamiento científico,» Revista cubana de salud pública, vol. 43, nº 3, pp. 10-12, 2017.
[8]G. Amador, «Validez y confiabilidad del intrumentos de recolección de datos,» de Investigación y educación, Barcelona, Paidos, 2014, pp. 35-39.
[9]P. M. Darren George, «Alfa de Cronbach,» de SPSS for windows Step by step: A simple guide and reference, 2003, p. 231.
[10]L. S. Amparito, «LAS DIMENSIONES DEL CAPITAL INTELECTUAL Y LA CULTURA EMPRESARIAL EN LAS MICROEMPRESAS DEL SECTOR MANUFACTURERO,» Universidad, Ciencia y Tecnología, vol. 24, nº 100, pp. 04-10, 2020.
[11]E. Rodrigo, «Administración de riesgo como apoyo al control interno y a la auditoría interna,» de Administración de Riesgos ERM y la auditoría interna, Bogotá, Ecoe Ediciones, 2015, pp. 4-5.
HOW TO IMPROVE SEARCH COMMITTEE EFFECTIVENESS: REDUCING THE DEGREE OF SUBJECTIVITY IN SEARCHING FOR AND SELECTING EDUCATIONAL LEADERS
Authors: Clayton Ross , Borden Carolyn 
Published: October 2020

Purpose: The purpose in this study was to propose and illustrate methods for structuring Search Committee processes so that committee members have a shared understanding of the leadership attributes desired of candidates and of the important contextual factors to be considered in assessing the suitability of the various candidates for the position.
Methodology: The study has substantial personal experiences with Search Committees and their decision processes; the article does not reflect an intent to do original research based on exploratory, experimental, or quasi-experimental research designs. No data collection is attempted; the reader will not find data driven analyses, or the results of hypotheses testing. Rather, the study intent was to provide readers with a logical set of ideas and tools that will aid them in conducting their leadership searches in a systematic rather than ad hoc manner. To identify and weight desired leadership attributes we have chosen to rely upon the writings of an illustrious group of individuals who have significant experience in leading public, private, and not for profit organizations, including higher education institutions. The study believes their books reflect "armchair empiricism" and provide distillations of their rich concrete leadership experiences. To identify and weight contextual factors to be taken into account in considering candidates for the specific organizational position to be filled, the study rely upon the seminal and classic empirical research study conducted by faculty of Harvard University.
Findings: That study of the high turnover among School Superintendents in New England is a benchmark in the development of Role Theory. The language for Role Analysis produced by that study is drawn upon in the study to illustrate how the contextual expectations of the candidates for the leadership position in question can be thoughtfully addressed.
Unique contribution to theory, practice and policy: The study has recommended the use of several theoretical/conceptual frameworks to structure Search Committee processes and improve their effectiveness in selecting the best qualified applicants for leadership roles. The study also describes a decision analysis method which, if employed, will lower the degree of subjectivity in Search Committee decision making processes.
Analysis of Labor Migration Processes in Kazakhstan: The EAEU Context
Authors: Rakhmatullina Alina , Yermekbayeva Dinara , Aidossova Aisha 
Published: October 2020

The goal of this paper is to analyze the migration processes of Kazakhstan in the EAEU context by exploring main labor migration indicators of the Republic of Kazakhstan. The paper seeks to discuss the general reasons of migration processes from Kazakhstan to the EAEU. Discussion of the migration process causes seeks to analyze indicators related to the labor migration.
The comparative analysis method was used for conducting the research and to analyze the main labor migration indicators as migration indicators by education, specialties, balance of international migration, number of involved immigrants. Data analysis sought to identify and understand the main causes of migration processes. The provisions and conclusions are illustrated by statistical data presented in tables, diagrams, accompanied by references to scientific literature and legal acts.
A detailed study of labor migration indicators allows us to judge the effectiveness of the policies of states that are as considered economic processes that represent objective opportunities for realizing the opportunities of both an individual and the population as a whole. According to the study, authors identified the most important specialties and education level in migration process and the proportion of immigrated labor migrants.
Novelty and value of the study is as follows. The paper signals to government about brain drain in some specialties and people with specific education level and offers to revise the policy.
Findings suggest that government may undertake retention of citizens with specific education level and profession.
Analysis, design, and software shells to develop interactive e-textbooks
Authors: Sagdoldanova Aiym 
Published: October 2020

Goals and objectives of the research are to analyze operating digital platforms in Kazakhstan's education system and the models and tools for the development of electronic textbooks to integrate them with LMS.
As a research methodology it is used content analysis of scientific articles, academic sources, websites, online platforms and e-learning systems as well as ADDIE model for the development of electronic textbooks and their pedagogical design.
Results/Findings: different foreign and local educational digital platforms have analyzed as a research result. Also there were developed two types of electronic textbooks for 9th and 10th grade school students with Kotobee Author and iBook Author software, which can be also integrated with LMS and MOOC in further.
Novelty/Originality/Value of the study is the search for the most effective ways of applying digital technology in the learning process. The effectiveness of education primarily depends on digital educational content, including electronic textbooks. The article presents an analysis of the experience of developing school educational platforms in Kazakhstan and abroad to identify emerging trends and prospects for their development.
Theoretical research materials are used for analysis of scientific and pedagogical sources, synthesis, generalization and systematization. The practical significance is that materials and developed electronic textbooks can be used in schools as an additional supportive textbook for gaining in-depth knowledge.
The Importance of Implementing Digitalization in Kazakhstan
Authors: Yermekbayeva Dinara , Rakhmatullina Alina 
Published: October 2020

Goals and objectives of the research – The goal of the article is to analyze the international experience in implementing digitalization, both in the private and public sectors of the economy. The objectives of the article are the analysis of the digitalization implementation algorithm in foreign enterprises and the adaptation of this algorithm for most Kazakhstani entrepreneurs, taking into account the specifics of doing business in Kazakhstan. Investigation of logical chain, which introduces digitalization in large world companies. It begins from the first department that has undergone digitalization to obtaining the final result from the process for the company.
Methodology – To solve the tasks set in the article we used system, logical, comparative-analytical methods. The provisions and conclusions are illustrated by statistical data presented in tables, diagrams, diagrams, accompanied by references to scientific literature and legal acts.
Results/Findings – The conclusion is made about the importance of implementing digitalization in business, regardless of the size of the enterprise itself. The examples of digitalization implementation in foreign companies are analyzed. Based on the analysis of foreign experience, an algorithm for the introduction of digitalization for most businesses in Kazakhstan has been compiled.
Novelty/Originality/Value – there are several factors that allow increasing digital technologies in all areas of industry in Kazakhstan. Digital technologies provide an incentive for the development of new areas in SMEs. This fact pushes to review legislation of the country and develop a transit direction in trade.
Theoretical or Practical Implications – The digitalization implementation algorithms discussed in the article in foreign companies and the algorithm for domestic entrepreneurs can be used both to improve business strategies by company leaders and government agencies in Kazakhstan to create an internal development program and encourage the introduction of new technologies and digitalization in state enterprises.
PENGGUNAAN LEMBAR KERJA SISWA (LKS) BERBANTUAN MEDIA AUDIO VISUAL DALAM PEMBELAJARAN IPA-BIOLOGI PADA POKOK BAHASAN STRUKTUR DAN FUNGSI JARINGAN TUMBUHAN SEBAGAI UPAYA MENINGKATKAN HASIL BELAJAR di MTs N 5 KOTA JAMBI
Authors: Dewi Ratna Sari 
Published: October 2020

Tujuan penelitian ini adalah: 1) Meningkatkan hasil belajar siswa pada mata pelajaran IPA dengan menggunakan LKS berbantuan media audio visual , 2) Meningkatkan Aktivitas belajar siswa dalam proses pembelajaran IPA dengan menggunakan LKS berbantuan media audio visual.
Penelitian ini dilakukan pada Siswa Kelas IX-B MTs Negeri 5 Kota Jambi Semester ganjil Tahun Pelajaran 2018/2019 dengan jumlah siswa 32 orang. Tindakan dilakukan dalam 2 siklus dengan materi pelajaran meliputi pada siklus I tentang Struktur dan Fungsi Jaringan Tumbuhan dengan materi: a). struktur dan fungsi akar, dan b). Struktur dan fungsi batang. Sedangkan pada siklus II tentang materi: a). Struktur dan fungsi daun, dan b). Struktur dan fungsi bunga. Data hasil penelitian berupa hasil belajar siswa dikumpulkan dengan menggunakan tes hasil belajar dan aktivitas belajar siswa yang dikumpulkan dengan metode observasi yang menggunakan format observasi
Hasil analisis data penelitian menunjukkan adanya peningkatan hasil belajar dari sebelum penelitian dengan rata- rata 62,00 menjadi 67,19 pada siklus I dan 73,20 pada siklus II dengan ketuntasan yang dicapai 65.67 % sebelum penelitian menjadi 78,13 % pada siklus I dan 87,50 % pada siklus II dari klasifikasi tuntas belum tuntas menjadi tuntas . Aktivitas belajar juga menunjukkan peningkatan dari skor rata-rata 1,80 dengan katagori kurang aktif pada siklus I menjadi katagori cukup aktif pada siklus II dengan skor rata-rata 2,01. Hasil penelitian ini menunjukkkan bahwa penggunaan Lembar Kerja siswa (LKS) berbantuan media audio visual dalam pembelajaran IPA dapat digunakan untuk meningkatkan hasil belajar siswa
MÉTODO SIMPLIFICADO PARA EL ANALISIS ESTRUCTURAL DE PLATAFORMAS MARINAS DE BASE FIJA SOMETIDAS A CARGAS DE OLEAJE
Authors: Claros Quichiz Florencio Ernest 
Published: October 2020

Las plataformas marinas son estructuras de acero que se encuentran en un ambiente rodeado por el agua de mar cumpliendo diferentes funciones como la exploración y explotación de recursos fósiles. Tal como es común en las estructuras, las plataformas marinas también tienen una vida útil, lo que significa que debe evaluarse su integridad estructural cada cierto periodo de tiempo. Por tal motivo, es necesario conocer el comportamiento estructural. Para cubrir tal necesidad en este trabajo se propone un método simplificado que permite obtener las respuestas elásticas de la estructura tales como: el periodo fundamental de vibración, el desplazamiento lateral máximo, la fuerza axial máxima y el momento flector máximo sobre el elemento más solicitado.
Para lograr tal objetivo se seleccionó un conjunto de cinco plataformas marinas y se realizó el análisis dinámico para determinar las respuestas reales. Luego se estudiaron las características fundamentales de la estructura tales como: la altura total, la profundidad sumergida, los diámetros de los elementos principales y secundarios, el tipo de arriostre, y la fijación al fondo marino, y también se estudiaron las características correspondientes al oleaje tales como: la altura de la ola, el periodo de la ola. De esta manera, fue factible analizar éste tipo no convencional de estructuras en forma paramétrica mediante un conjunto de casos generados mediante una combinatoria. Las estructuras paramétricas también fueron analizadas debido a la acción de las cargas del oleaje obteniéndose respuestas que fueron calibradas con respuestas reales obtenidas inicialmente.
Cada una de las respuestas de interés de la estructura se graficaron teniendo en cuenta la variación de los parámetros adoptados. Se analizó la forma en que la respuesta varía cuando variaron los parámetros elegidos y se apreció la tendencia que mostraba cada gráfica. Se propuso expresiones analíticas que pueden ser usadas para estimar las respuestas como el periodo fundamental de vibración, el desplazamiento lateral máximo, la fuerza axial máxima y el momento flector máximo.
De este trabajo se obtuvo conclusiones cualitativas y cuantitativas. Las conclusiones cualitativas fueron: Los parámetros considerados son válidos para representar la estructura y las condiciones que lo rodean. El modelo simplificado empleado resulta muy útil para realizar un análisis dinámico y obtener respuestas de interés de una manera ágil. Las conclusiones cuantitativas extraídas fueron: Las expresiones propuestas otorgan una buena aproximación alcanzando errores relativos máximos del 12% para la estimación del periodo fundamental de la estructura, 30% para la estimación del desplazamiento lateral máximo de la estructura, 32% para la estimación de la fuerza axial máxima y 29% en la estimación del momento flector máximo en el elemento más solicitado, valores útiles para obtener referencias iniciales de las respuestas de interés.