bluuebunny/crossref_metadata_2025_split huggingface dataset:
A Study on the Application of Discrete Wavelet Decomposition for Fault Diagnosis on a Ship Oil Purifier
Authors: Lee Songho , Lee Taehyun , Kim Jeongyeong , Lee Jongjik , Ryu Kyungha , Kim Yongjin , Park Jong-Won 
Published: July 2022

With the development of the Internet of things, big data, and AI leading the 4th industrial revolution, it has become possible to acquire, manage, and analyze vast and diverse condition signals from various industrial machinery facilities. In addition, it has been revealed that various and large amounts of signals acquired from the facilities can be utilized for fault diagnosis. Currently, while data-driven fault diagnosis techniques applicable to the facilities are being developed, it has been tried to apply the techniques for the development of fully autonomous ships in the shipbuilding and shipping industry. Since the autonomous ships must be able to detect and diagnose the failures on their own in real time, the overall research is required on how to acquire signals from the ship facilities and use them to diagnose their failures. In this study, a fault diagnosis framework was proposed for condition-based maintenance (CBM) of ship oil purifiers, which are an auxiliary facility in the engine system of a ship. First, an oil purifier test-bed for simulating faults was built to obtain data on the state of the equipment. After extracting features using discrete wavelet decomposition from the data, the features were visualized by using t-distributed stochastic neighbor embedding, and were used to train support vector machine-based diagnostic models. Finally, the trained models were evaluated with Accuracy and F1 score, and some models scored 0.99 or higher, confirming high diagnostic performance. This study can be used as a reference for establishing CBM system and fault diagnosis system. Furthermore, this study is expected to improve the safety and reliability of oil purifiers in Degree 4 MASS.
Indicadores de sustentabilidad para la evaluación de fincas de banano en zonas agrícolas del cantón Babahoyo, Ecuador
Authors: Caicedo-Camposano Oscar , Balmaseda-Espinosa Carlos , Cadena-Piedrahita Dalton , Layana-Bajaña Eleonora 
Published: July 2022

Este trabajo se efectuó con el objetivo de construir indicadores de sustentabilidad para la evaluación de fincas bananeras en Babahoyo, Ecuador. Para ello, se realizó un taller en la localidad de estudio, en el que participó un grupo de expertos en el cultivo de banano. La metodología es una adaptación de la propuesta del profesor Santiago Sarandón, la cual considera las tres dimensiones de la sustentabilidad; el trabajo presenta una lista de indicadores importantes y fórmulas para calcular el valor de los indicadores ambiental, económico y sociocultural, así como para obtener el índice de sustentabilidad general. Mediante el Coeficiente de Kendall y el alfa de Cronbach se obtuvo una consistencia interna satisfactoria respecto al instrumento diseñado. Se concluye que el desarrollo de indicadores, subindicadores y categorías para cada una de las dimensiones de la sustentabilidad es adecuado para detectar puntos críticos de la misma, establecer sus causas y proponer soluciones a mediano y largo plazo, la metodología involucra una actividad que es aplicable a una amplia gama de fincas en una serie de contextos, siempre y cuando, se reemplacen algunos indicadores por otros que sean relevantes para las fincas a evaluar. Además, según los métodos para medir la concordancia, el instrumento construido fue comprendido por los encuestados.

Palabras clave: Banano, metodología, análisis multicriterio, fincas.
Revisión sistemática de las metodologías para tomar acciones que minimizan los efectos negativos ocasionados por las máximas avenidas de los ríos
Authors: Muñoz Pérez Sócrates Pedro , Torres Torres Lucy Cassandra , Navarro Medina Jainer Luysin 
Published: July 2022

El presente artículo describe las diferentes metodologías aplicadas en el análisis de eventos extremos, con la finalidad de prever cuales serían los efectos negativos ocasionados por las máximas avenidas de los ríos; asimismo se demuestra que la urbanización de áreas inundables y el crecimiento poblacional desmedido origina que los niveles de riesgo y vulnerabilidad aumenten considerablemente, enfatizando como medida preventiva primordial el control del crecimiento poblacional y fiscalización en la depredación de bosques y ríos. Con el objetivo de brindar cuatro metodologías breves que especifican los diferentes métodos empleados para el análisis de cada evento extremo. En los cuales uno de los agentes más expuestos es la población vulnerable, por ende, se busca tomar acciones para reducir estos impactos negativos.

Palabras clave: Inundaciones, Máximas Avenidas, Riesgo, Vulnerabilidad.
Formación del profesorado y educación inclusiva: Una experiencia en Santo Domingo de los Tsáchilas, Ecuador
Authors: Loor Molina Marianela Karina , Lara Lara Fernando , Loor Molina Tania Karina , Nogales Chica Sandra Janeth 
Published: July 2022

La presente investigación tiene como propósito medir el impacto de una formación implementada en la Unidad Educativa Veinticuatro de Mayo de Santo Domingo de los Tsáchilas. La aún incipiente cultura inclusiva que se evidencia en el contexto invita a planificar programas de formación para el profesorado con esta orientación; se planteó una investigación mixta de enfoque cualitativo dominante con uso de técnicas cuantitativas para el análisis de datos; se aplicó una encuesta en dos momentos (pretest y postest) a 24 docentes de la Unidad Educativa Veinticuatro de Mayo de Santo Domingo, de Educación Básica Elemental y Media. Entre las conclusiones principales se comprueba que, si bien las carencias formativas en el profesorado son destacables, el taller pudo favorecer la creación de espacios institucionales para la participación y reflexión sobre la educación inclusiva.

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Poet V.V. Murugesa Bhagavatar's Abstinence Anthem: A Sociological View
Authors: E Pavalan 
Published: July 2022

Born in 1887, poet Murugesa Bhagavathar has been fascinated by his mother tongue Tamil since his earliest days and admired for his erudition. He is 14 years older than Bharatiyar. He is also a pioneer in the world of poetry. He is strong in writing conventional poetry. Even the illiterate laymen were accepted by his poetry. So he taught the old people of those days to write poetry when there was time left after family time. So countless people from areas including Willivakkam have come to him and learned poetry properly. Also, Murugesa Bhagavatar's poetry had a fan base in Dharavi, Mumbai. He was close to leaders like Gandhiji and Dr. Ambedkar. Realizing the poetry of Bhagavatar, Mr. V. Kalyana Sundaram and Scholars including C.N. Annadurai also went to Bhagavatar's residence and presented his books with greetings and praises. In poet Murugesa Bhagavatar's works the exaltation of the Tamil language and mother tongue can be widely seen. He has natural musical knowledge. So in his songs mostly rhythm and chantam are scattered in his poetry. Not only that, he saw the misery prevailing in the society at that time and against it caste liberation, women's liberation, social liberation, Indian liberation, nature, etc. are the subjects of his poetry. Similarly, in 1929, he campaigned against alcohol through his poetry at the request of the Congress party, Gandhiji. In that way, this article aims to reveal the history of alcohol prohibition through the poems he wrote.
MODELOS EMPÍRICOS DEL CRECIMIENTO Y RENDIMIENTO DE TOMATE PODADO A TRES RACIMOS
Authors: Refugio-Villegas José , González-Hernández Víctor Arturo , Carrillo-Salazar José Alfredo , Livera-Muñoz Manuel , Sánchez-del Castillo Felipe , Osuna-Enciso Tomás 
Published: July 2022

Para obtener modelos empíricos simples que simulen el crecimiento de la biomasa y el rendimiento del fruto del tomate cultivado, en invernadero y podado a tres racimos, se estableció un experimento con densidades de 1.7, 3.8, 6.8, 15.4 y 66.6 plantas/m2. Con la técnica de análisis de crecimiento, bisemanalmente y durante el ciclo completo se midió la biomasa de hojas, frutos y total, para relacionarla con unidades calor. La función de Gauss y la sustitución de sus parámetros por funciones que incluyen el efecto de densidad de población, permitió los mejores modelos con alto ajuste (R2 0.96) para simular el comportamiento de las tres variables para cualquier densidad desde 1.7 a 15.4 plantas/m2.
Analysis of Students Creative Thinking Ability in Environmental Problem Solving
Authors: Meitiyani Meitiyani , Elvianasti Mega , Maesaroh Maesaroh , Irdalisa Irdalisa , Amirullah Gufron 
Published: July 2022

21st century is a period that requires the transformation of life including education in it. Changes that occur include increased interaction between individuals globally, the flood of open information, computing technology that reaches all types of work that can be done anywhere and anytime and the occurrence of cultural integration across borders and even countries. This situation requires individuals to have the resilience to adapt and survive in this century. The quality of teachers in education plays an important role in building various skills of students to face life's demands. Creative thinking skills are one of the competencies needed in this century. Fostering creativity in learning activities is very important to strengthen student resilience in the future. This study aims to provide an overview of students' creative thinking skills on environmental problems. This research uses quantitative descriptive methods. This article begins with the results of an assessment of the ability to think creatively in early semester students in the Biology Education study program major of Prof. Dr. Hamka University then analyze the factors that affect critical thinking skills through a questionnaire instrument to describe learning activities that build creative thinking skills both from the internal and external aspect.
Anti-scattering light focusing by full-polarization wavefront shaping based on digital micromirror devices
Authors: Liu Linxian , Ding Chunxu , Qu Yuan , He Qiaozhi , Shao Rongjun , Yang Jiamiao 
Published: July 2022

Abstract
Focusing light inside scattering media has many applications and can be realized by the iterative method optimizing the wavefront of incident light. However, this method often achieves a moderate contrast of focus, which compromises its performance. Here, we propose full-polarization iterative wavefront shaping (FPI-WS) in which we adopt two digital micromirror devices. By modulating the two orthogonal polarization components independently, this method adds one more degree of freedom shaping the wavefront. In comparison with the previous result, FPI-WS can increase the peak to background ratio of focus by a factor of two.
Recurrent Genital Herpes: A Case Report
Authors: Anum Q  , Gustia R  , J Wirman 
Published: July 2022

Background: Herpes Simplex Virus type 2 (HSV-2) infection can caused genital herpes with a high recurrence rate. Recurrent genital herpes affects patients' quality of life and needs rapid treatment.
Case presentation: This study reported a 34 years old male with recurrent genital herpes. The patient developed painful vesicles in the genital area, which turned into an ulcer. History of genital herpes and gonorrhoea urethritis were reported and had been treated. The patient had a history of having unprotected sexual intercourse with multiple partners and reported having psychological stress within 1 month. DLQI score was 12, and DASS score was 5-85, which confirmed that the patient had anxiety. Vesicles and erosion were found in the genital area. Tzanck test showed multinucleated giant cells with borderline anti-HSV-2 IgG serologies in 2 occasional evaluations. Acyclovir 3x400 mg for 5 days was used as therapy, and no lesion was found at follow-up.
Conclusion: Recurrent genital herpes can develop due to various risk factors, including psychological stress. Pharmacological and psychosocial intervention may have a beneficial outcome for patients.
IMPLEMENTASI KOMPETENSI MANAJERIAL KEPALA SEKOLAH DI SMP NEGERI 1 PALANGKARAYA
Authors: Wisman Yossita 
Published: July 2022

Tujuan dari penelitian ini adalah: (i) untuk mengetahui lebih mendalam implementasi kompetensi manajerial kepala sekolah di SMP Negeri 1 Palangkaraya: (i) perencanaan, (ii) pengorganisasian, (iii) pelaksanaan, (iv) pengawasan, (v) untuk mengetahui faktor pendukung dan penghambat implememtasi kompetensi manajerial kepala sekolah di SMP Negeri 1 Palangkaraya Jenis penelitian ini adalah deskriptif dengan pendekatan kualitatif dan dengan jenis studi kasus. Teknik pengumpulan data dilakukan dengan wawancara, observasi, dan studi dokumentasi.Hasil penelitian menunjukkan bahwa(i) kepala sekolah dalam melakukan perencanaan sudah sesuai dengan konsep serta strategi perencanaan (ii) kepala sekolah sudah melakukan pengeorganisasi sekolah sudah sesuai dengan fungsi pengorganisasian yang meliputi penyusunan struktur organisasi pembagian kerja serta penempatan guru dan staf sesuai dengan bidang keahlian masing-masing. (iii) kepala sekolah dalam melaksanakan fungsi pelaksanaan belum secara keseluruhan terlaksana dengan baik dimana masih ada tiga indikator yang perlu ditingkatkan yaitu : (a) mengelola sarana dan prasarana sekolah/ madrasah dalam rangka pendayagunaan secara optimal, ini disebabkan karena masih banyak sarana dan prasarana yang belum terpenuhi dan juga dalam pencatatan sarana dan prasarana belum terkelola dengan baik, (b) mengelola hubungan sekolah/ madrasah dan masyarakat dalam rangka pencarian dukungan, ide, sumber belajar, dan pembiayaan sekolah,(c) mengelola ketatausahaan sekolah/madrasah dalam mendukung pencapaian tujuan sekolah. (vi) kepala sekolah dalam melakukan pengawasan sudah sesuai yaitu melalui monitoring pada proses perencanaan , dan pelaksanaan pembelajaran, selanjutnya melakukan evaluasi serta tindak lanjut.(v) Faktor pendukung yang terdiri faktor internal kemampuan dalam memimpin dan kepribadian kepala sekolah. Sedangkan faktor eksternal yang mencakup dukungan warga sekolah, pemerintah, pengawas, komite sekolah serta alumni, faktor penghambat terdiri dari faktor internal adalah yang mempengaruhi dana sarana dan prasarana masih terbatas , kurangnya pegawai tatausaha, faktor eksternal kurangnya partisipasi orang tua terutama masalah dana sejak adanya program pendidikan gratis.
Quantitative Characterization of Magnetic Flux Rope Properties for Two Solar Eruption Events
Authors: He Wen , Hu Qiang , Jiang Chaowei , Qiu Jiong , Prasad Avijeet 
Published: July 2022

Abstract
In order to bridge the gap between heliospheric and solar observations of coronal mass ejections (CMEs), one of the key steps is to improve the understanding of their corresponding magnetic structures like the magnetic flux ropes (MFRs). But it remains a challenge to confirm the existence of a coherent MFR before or upon the CME eruption on the Sun and to quantitatively characterize the CME-MFR due to the lack of direct magnetic field measurements in the corona. In this study, we investigate MFR structures originating from two active regions (ARs), AR 11719 and AR 12158, and estimate their magnetic properties quantitatively. We perform nonlinear force-free field extrapolations with preprocessed photospheric vector magnetograms. In addition, remote-sensing observations are employed to find indirect evidence of MFRs on the Sun and to analyze the time evolution of magnetic reconnection flux associated with the flare ribbons during the eruption. A coherent “preexisting” MFR structure prior to the flare eruption is identified quantitatively for one event from the combined analysis of the extrapolation and observation. Then the characteristics of MFRs for two events on the Sun before and during the eruption forming the CME-MFR, including the axial magnetic flux, field line twist, and reconnection flux, are estimated and compared with the corresponding in situ modeling results. We find that the magnetic reconnection associated with the accompanying flares for both events injects a significant amount of flux into the erupted CME-MFRs.
SNIa Cosmology Analysis Results from Simulated LSST Images: From Difference Imaging to Constraints on Dark Energy
Authors: Sánchez B. O. , Kessler R. , Scolnic D. , Armstrong R. , Biswas R. , Bogart J. , Chiang J. , Cohen-Tanugi J. , Fouchez D. , Gris Ph. , Heitmann K. , Hložek R. , Jha S. , Kelly H. , Liu S. , Narayan G. , Racine B. , Rykoff E. , Sullivan M. , Walter C. W. , Wood-Vasey W. M. ,   The LSST Dark Energy Science Collaboration (DESC)
Published: July 2022

Abstract
The Vera Rubin Observatory Legacy Survey of Space and Time (LSST) is expected to process ∼106 transient detections per night. For precision measurements of cosmological parameters and rates, it is critical to understand the detection efficiency, magnitude limits, artifact contamination levels, and biases in the selection and photometry. Here we rigorously test the LSST Difference Image Analysis (DIA) pipeline using simulated images from the Rubin Observatory LSST Dark Energy Science Collaboration Data Challenge (DC2) simulation for the Wide-Fast-Deep survey area. DC2 is the first large-scale (300 deg2) image simulation of a transient survey that includes realistic cadence, variable observing conditions, and CCD image artifacts. We analyze ∼15 deg2 of DC2 over a 5 yr time span in which artificial point sources from Type Ia supernova (SNIa) light curves have been overlaid onto the images. The magnitude limits per filter are u = 23.66 mag, g = 24.69 mag, r = 24.06 mag, i = 23.45 mag, z = 22.54 mag, and y = 21.62 mag. The artifact contamination levels are ∼90% of all detections, corresponding to ∼1000 artifacts deg–2 in g band, and falling to 300 deg–2 in y band. The photometry has biases <1% for magnitudes 19.5 < m < 23. Our DIA performance on simulated images is similar to that of the Dark Energy Survey difference-imaging pipeline on real images. We also characterize DC2 image properties to produce catalog-level simulations needed for distance bias corrections. We find good agreement between DC2 data and simulations for distributions of signal-to-noise ratio, redshift, and fitted light-curve properties. Applying a realistic SNIa cosmology analysis for redshifts z < 1, we recover the input cosmology parameters to within statistical uncertainties.
A VLA View of the Flared, Asymmetric Disk around the Class 0 Protostar L1527 IRS
Authors: Sheehan Patrick D. , Tobin John J. , Li Zhi-Yun , van ’t Hoff Merel L. R. , Jørgensen Jes K. , Kwon Woojin , Looney Leslie W. , Ohashi Nagayoshi , Takakuwa Shigehisa , Williams Jonathan P. , Aso Yusuke , Gavino Sacha , Gregorio-Monsalvo Itziar de , Han Ilseung , Lee Chang Won , Plunkett Adele , Sharma Rajeeb , Aikawa Yuri , Lai Shih-Ping , Lee Jeong-Eun , Lin Zhe-Yu Daniel , Saigo Kazuya , Tomida Kengo , Yen Hsi-Wei 
Published: July 2022

Abstract
We present high-resolution Karl G. Jansky Very Large Array (VLA) observations of the protostar L1527 IRS at 7 mm, 1.3 cm, and 2 cm wavelengths. We detect the edge-on dust disk at all three wavelengths and find that it is asymmetric, with the southern side of the disk brighter than the northern side. We confirm this asymmetry through analytic modeling and also find that the disk is flared at 7 mm. We test the data against models including gap features in the intensity profile, and though we cannot rule such models out, they do not provide a statistically significant improvement in the quality of fit to the data. From these fits, we can, however, place constraints on allowed properties of any gaps that could be present in the true, underlying intensity profile. The physical nature of the asymmetry is difficult to associate with physical features owing to the edge-on nature of the disk, but it could be related to spiral arms or asymmetries seen in other imaging of more face-on disks.
Radio Detection of an Elusive Millisecond Pulsar in the Globular Cluster NGC 6397
Authors: Zhang Lei , Ridolfi Alessandro , Blumer Harsha , Freire Paulo C. C. , Manchester Richard N. , McLaughlin Maura , Kremer Kyle , Cameron Andrew D. , Zhang Zhiyu , Behrend Jan , Burgay Marta , Buchner Sarah , Champion David J. , Chen Weiwei , Dai Shi , Feng Yi , Fu Xiaoting , Guo Meng , Hobbs George , Keane Evan F. , Kramer Michael , Levin Lina , Li Xiangdong , Ni Mengmeng , Pan Jingshan , Padmanabh Prajwal V. , Possenti Andrea , Ransom Scott M. , Tsai Chao-Wei , Venkatraman Krishnan Vivek , Wang Pei , Zhang Jie , Zhi Qijun , Zhang Yongkun , Li Di 
Published: July 2022

Abstract
We report the discovery of a new 5.78 ms period millisecond pulsar (MSP), PSR J1740−5340B (NGC 6397B), in an eclipsing binary system discovered with the Parkes radio telescope (now also known as Murriyang) in Australia and confirmed with the MeerKAT radio telescope in South Africa. The measured orbital period, 1.97 days, is the longest among all eclipsing binaries in globular clusters (GCs) and consistent with that of the coincident X-ray source U18, previously suggested to be a “hidden MSP.” Our XMM-Newton observations during NGC 6397B’s radio-quiescent epochs detected no X-ray flares. NGC 6397B is either a transitional MSP or an eclipsing binary in its initial stage of mass transfer after the companion star left the main sequence. The discovery of NGC 6397B potentially reveals a subgroup of extremely faint and heavily obscured binary pulsars, thus providing a plausible explanation for the apparent dearth of binary neutron stars in core-collapsed GCs as well as a critical constraint on the evolution of GCs.
Low-speed Impacts into Ice–Dust Granular Mixtures
Authors: Brisset Julie , Cox Christopher , Metzger Jessica , Miletich Thomas , Mohammed Nadia , Rascon Allison , Forczyk Laura , Dove Adrienne , Colwell Joshua 
Published: July 2022

Abstract
We present the results of a series of laboratory low-speed impacts (< 4 m s−1) of centimeter-sized spherical projectiles into simulated dry and icy regolith samples. The target material was comprised of JSC-1 (Johnson Space Center) lunar simulant grains in the size range 100–250 μm, mixed with similar-sized water ice grains. Impacts were performed under vacuum, either at room temperature for JSC-1 samples or at cryogenic temperatures (<150 K) for icy mixtures. We measured the ejecta masses from a collection plate and impact crater dimensions from post-impact crater photographs. We find that both the ejecta masses and crater diameters followed trends predicted by established scaling laws, albeit with different fitting parameters, and we were able to fit a strength regime π scaling to our measured crater diameters. The water ice in our target material took two forms: grains mixed with the regolith grains and frost from air condensation coating regolith grains. In both cases, the presence of water ice in the sample led to lower ejected masses and smaller crater sizes. In addition, our measured crater sizes were several orders of magnitude larger than expected for impacts into solid rock or water ice. Using our measured scaling parameters, we applied our findings to a planetary context for the study of secondary craters on icy moons, as well as eroding collisions occurring in Saturn’s rings. We found that the deviation of our measurements from solid targets and from commonly used scaling parameters allowed us to reconcile our measurements with the models in both cases.