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Journal articles on the topic 'RSCAD'

Author: Grafiati

Published: 25 June 2021

Last updated: 29 July 2025

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1

Ganesh, Saran, Arcadio Perilla, Jose Rueda Torres, Peter Palensky, and Mart van der Meijden. "Validation of EMT Digital Twin Models for Dynamic Voltage Performance Assessment of 66 kV Offshore Transmission Network." Applied Sciences 11, no. 1 (2020): 244. http://dx.doi.org/10.3390/app11010244.

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The increase in Power Electronic (PE) converters due to the increase in offshore wind energy deployment have given rise to technical challenges (e.g., due to unprecedented fast dynamic phenomena) related to voltage and frequency stability in the power system. In the Offshore Wind Farms (OWFs), the currently available current injection-based voltage control for PE converters are not suitable for voltage control in PE dominated systems due to the absence of continuous voltage control and ineffectiveness during islanding. Moreover, in such power systems, the conventional controllers are not suita

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Tinajero, G. D. A., J. M. Guerrero, J. Segundo, and A. Esparza. "Performance Assessment of the RTDS/RSCAD VSC Model." Journal of Physics: Conference Series 1457 (January 2020): 012007. http://dx.doi.org/10.1088/1742-6596/1457/1/012007.

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3

Sundari, Ramabhotla, and B. Bayne Stephen. "Modeling of Energy Sources in Microgrid Using RSCAD/RTDS." American Journal of Advanced Research 3, no. 2 (2019): 7–19. https://doi.org/10.5281/zenodo.3371688.

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Microgrid, an independent power grid, integrate the renewable energy sources like solar energy, wind energy, distributed energy sources like diesel generator, natural generator and energy storages like battery, ultra-capacitors are attracting many researchers across the world due to its high advantages like enhanced local energy delivery, efficiency, reliability, economic growth, etc. The microgrids have a capability to connect and disconnect to the traditional power grid and can operate independently; thus, a microgrid can operate in both grid connected and islanded modes. In this paper, a mi

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Vilchis-Rodriguez, Damian S., Ognjen Marjanovic, Robin Preece, and Mike Barnes. "Development of a compressed air energy storage system model for real-time simulation in the EMT RSCAD/RTDS environment." IET Conference Proceedings 2024, no. 32 (2025): 84–89. https://doi.org/10.1049/icp.2024.4509.

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Fawzy, Nevin, Hany F. Habib, and Osama Mohammed. "IEC 61850-Based Communication Networks of Distribution System against Cyber and Physical Failures." World Electric Vehicle Journal 12, no. 3 (2021): 155. http://dx.doi.org/10.3390/wevj12030155.

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This paper proposes a decentralized control approach using a co-simulation platform to monitor protective elements and provide complete protection scheme for distribution systems. Real time measurements are obtained by interfacing the system model in RSCAD/RTDS with SEL 421 protective relays and publish/subscribe the voltage and current signals of the buses and transmission lines based on IEC 61850 communication protocol to isolate the fault correctly. The proposed technique helps to identify the location of the fault and introduces primary and buck protection for the system. The communication

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Nomandela, Sinawo, Mkhululi E. S. Mnguni, and Atanda K. Raji. "Modeling and Simulation of a Large-Scale Wind Power Plant Considering Grid Code Requirements." Energies 16, no. 6 (2023): 2897. http://dx.doi.org/10.3390/en16062897.

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The load demand to a power grid, as well as the interest in clean and low-cost energy resources, has led to the high integration of wind power plants into power system grids. There are grid code standards that are set for the design and integration of these wind power plants. These codes often look at the design operation of the wind power plant in islanded mode, where possible analysis of the most sensitive power system quantities such as voltage, frequency, reactive power, etc. is carried out. Therefore, in this study, attention was paid to the application of these codes to keep the design a

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Kim, Jeong-Hwan, Iseul Nam, Sungwoo Kang, and Seungmin Jung. "Development of an Optimized Curtailment Scheme through Real-Time Simulation." Energies 15, no. 3 (2022): 1074. http://dx.doi.org/10.3390/en15031074.

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When a lot of surplus power occurs in wind power system, an output limit is implemented to directly or indirectly curtail the output to maintain a balance between the supply and demand of the power system. The curtailment process of a large-scale wind farm causes loss of power and mechanical loads. Resultantly, imbalanced curtailments often occur, resulting in unilateral burdens for the owners of wind farms. Considering the curtailment issue, the study for minimizing system loss of power plants is required in terms of operational efficiency. This paper proposes an algorithm to achieve flexible

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Silva, Nathan de Lima, Dionathan Barroso Da Silva, Janaína Gonçalves De Oliveira, Pedro Machado De Almeida, and Carolina Venturi Pinheiro. "Simulação em tempo real de uma planta solar conectada à rede elétrica de distribuição utilizando o RTDS e dSPACE." Brazilian Journal of Development 9, no. 05 (2023): 17737–48. http://dx.doi.org/10.34117/bjdv9n5-216.

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O artigo visa analisar variações na conversão de energia em um sistema fotovoltaico e seus efeitos na rede elétrica utilizando para isso simulações em tempo real. O sistema empregado consiste de carga alimentada através de duas fontes: (i) geração de energia proveniente de uma planta solar PV e (ii) modelo simplificado da rede elétrica. O modelo de carga utilizado corresponde ao perfil de demanda de um alimentador da cidade de Leopoldina, Minas Gerais, para o consumo medido em um intervalo de 15 minutos, durante 24 horas. Os dados de radiação solar foram obtidos pelo Laboratório de Energia Sol

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Kim, Min-Soo, and Sang-Hee Kang. "Centralized Multiple Back-Up Protection Scheme with Sharing Data between Adjacent Substations Based on IEC 61850." Energies 15, no. 12 (2022): 4195. http://dx.doi.org/10.3390/en15124195.

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A centralized multiple back-up protection scheme with sharing data between adjacent substations based on IEC 61850 is suggested in this paper to overcome the inherent defects of a conventional back-up protection scheme such as uncertainty of a remote end condition, especially for a distance relay, long operating time delay, and IED/CT fails. A current differential protection element, a distance-based directional protection element, local back-up, and remote back-up protection elements are applied for the multiple back-up protection scheme suggested in this paper. The phasor voltage/current dat

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Marchand, Jane, Ajay Shetgaonkar, Jose Luis Rueda Torres, Aleksandra Lekic, and Peter Palensky. "EMT Real-Time Simulation Model of a 2 GW Offshore Renewable Energy Hub Integrating Electrolysers." Energies 14, no. 24 (2021): 8547. http://dx.doi.org/10.3390/en14248547.

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Due to their weak nature, such as low inertia, offshore energy hubs are prone to unprecedented fast dynamic phenomena. This can lead to undesired instability problems. Recent literature, with main focus on onshore systems, suggests that electrolysers could be an attractive option to support wind generators in the mitigation of balancing problems. This paper presents an Electromagnetic Transient (EMT) model for real-time simulation based study of the dynamics of active power and voltage responses of offshore hubs due to wind speed fluctuations. The purpose of this study was to ascertain the abi

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Fose, Nande, Senthil Krishnamurthy, and Prathaban Moodley. "Improved Control Technique for Enhancing Power System Stability in Out-of-Step Conditions." Energies 17, no. 16 (2024): 4086. http://dx.doi.org/10.3390/en17164086.

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From time to time, a series of unpredictable and conflicting contingencies can lead to angular instability of the power system and even blackouts if not adequately handled by an out-of-step (OOS) protection system. The key contribution of this research work, to the theory of out-of-step protection, is the identification and isolation after a given disruption of many unstable swings. This paper presents a proposed method to avoid false operation for distance function by out-of-step blocking to improve the system stability by using optimally placed PMUs for the fast detection of system analogue

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Haydaroğlu, Cem, Heybet Kılıç, Bilal Gümüş, and Mahmut Temel Özdemir. "Advancing Fault Detection in Distribution Networks with a Real-Time Approach Using Robust RVFLN." Applied Sciences 15, no. 4 (2025): 1908. https://doi.org/10.3390/app15041908.

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In this paper, the fault type and location of high-impedance short-circuit faults, which are difficult to detect in distribution networks, are determined in real time using the Real-Time Digital Simulator (RTDS). In this study, an IEEE 39-bar system model is created using the Real-Time Simulation Software Package (RSCAD). In this model, a short-circuit fault is generated at different fault impedance values. For high-impedance short-circuit fault detection, 14 feature vectors are created. Six of these feature vectors are newly developed, and it is found that these six new feature vectors contri

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Beltran, Omar, Rafael Peña, Juan Segundo, Aaron Esparza, Eduard Muljadi, and David Wenzhong. "Inertia Estimation of Wind Power Plants Based on the Swing Equation and Phasor Measurement Units." Applied Sciences 8, no. 12 (2018): 2413. http://dx.doi.org/10.3390/app8122413.

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High penetration of wind power plants may have an adverse impact on power systems’ stability by reducing the inertia, and problems like frequency stability could appear due to total inertia in the system being reduced, making the power system more vulnerable to disturbances. However, most recent grid codes include an emulation inertia requirement for wind power plants, because modern wind turbines are capable of providing virtual inertia through power electronic converter controls to improve frequency stability issues. Because of this, it is necessary that the inertia estimation analyze and qu

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Shetgaonkar, Ajay, Aleksandra Lekić, José Luis Rueda Torres, and Peter Palensky. "Microsecond Enhanced Indirect Model Predictive Control for Dynamic Power Management in MMC Units." Energies 14, no. 11 (2021): 3318. http://dx.doi.org/10.3390/en14113318.

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The multi-modular converter (MMC) technology is becoming the preferred option for the increased deployment of variable renewable energy sources (RES) into electrical power systems. MMC is known for its reliability and modularity. The fast adjustment of the MMC’s active/reactive powers, within a few milliseconds, constitutes a major research challenge. The solution to this challenge will allow accelerated integration of RES, without creating undesirable stability issues in the future power system. This paper presents a variant of model predictive control (MPC) for the grid-connected MMC. MPC is

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Yablokov, A. A., I. E. Ivanov, F. A. Kulikov, A. R. Tychkin, A. V. Panaschatenko, and V. A. Saveliev. "Practical issues of fault location at extra-high voltage overhead transmission lines using RTDS-based synchrophasor measurements." Vestnik IGEU, no. 5 (October 31, 2022): 33–43. http://dx.doi.org/10.17588/2072-2672.2022.5.033-043.

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Application of Phasor Measurement Unit (PMU) is a modern technology in electric power systems with quite a few possible applications. Remote identification of fault location (FL) at extra-high voltage transmission lines is one of the possible applications of PMU. The number of research works dedicated to this issue is rather limited. Also, there is no in-depth analysis of the PMU digital filter performance in case of short circuit; some factors that affect the FL accuracy are not covered; and the number of methods to identify FL remotely is insufficient. The current research goal is to study a

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Yablokov, A. A., G. A. Filatova, A. S. Timofeev, and A. E. Petrov. "Development and study of the fault location function for the information system based on digital transformers." Vestnik IGEU, no. 4 (2019): 63–74. http://dx.doi.org/10.17588/2072-2672.2019.4.063-074.

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The existing methods of fault location (FL) on power lines are often unable to provide the required accuracy and are unstable to the influence of metering-distorting factors. The main source of errors of the FL devices is the primary current and voltage transducers. Using innovative current and voltage sensors (including Rogowski coils for physical measurement of the primary current derivative) as part of digital measuring transformers allows significant improvements in the accuracy of measuring electrical values during short-circuits. The aim of the work was to develop an enhanced accuracy FL

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Bubolz, Aaron H., Hongwei Li, Qingping Wu, and Yanping Liu. "Enhanced oxidative stress impairs cAMP-mediated dilation by reducing Kv channel function in small coronary arteries of diabetic rats." American Journal of Physiology-Heart and Circulatory Physiology 289, no. 5 (2005): H1873—H1880. http://dx.doi.org/10.1152/ajpheart.00357.2005.

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We have shown that short-term exposure of rat small coronary arteries (RSCAs) to high glucose enhances superoxide (O2−·) formation and impairs cAMP-mediated dilation by reducing voltage-gated K+ (Kv) channel function. However, it is not clear whether the impairment also occurs in diabetes mellitus (DM), where alternate mechanisms could mask or aggravate vasodilator dysfunction. RSCAs were isolated from control and streptozotocin-induced diabetic rats. Reduced constriction to 4-aminopyridine (4-AP) was observed in RSCAs from DM rats, indicating Kv channel impairment. Forskolin increased 4-AP-in

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Yang, Likun, Lin Li, Junhong Ma, Shimin Yang, Changlin Zou, and Xiangyang Yu. "miRNA and mRNA Integration Network Construction Reveals Novel Key Regulators in Left-Sided and Right-Sided Colon Adenocarcinoma." BioMed Research International 2019 (April 3, 2019): 1–9. http://dx.doi.org/10.1155/2019/7149296.

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Background. The distinction between right-sided and left-sided colon adenocarcinoma has recently received considerable. This study aims to identify key MicroRNA (miRNA) and mRNAs in right-sided colon adenocarcinoma (RSCOAD) and left-sided colon adenocarcinoma (LSCOAD) by TCGA integration analysis.Methods. The miRNA and mRNA expression profiles of a large group of patients with RSCOAD and LSCOAD were obtained from TCGA. The differentially expressed miRNAs (DEmiRNAs) and mRNAs (DEmRNAs) were identified by TCGA integration analysis. The optimal diagnostic miRNA biomarkers for RSCOAD and LSCOAD we

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Fresán, Ana, Rebeca Robles-García, Claudia Becerra-Palars, et al. "Reaction to Severe Stress and Adjustment Disorders After the September 2017 Earthquakes in a Psychiatric Emergency Department in Mexico City." Disaster Medicine and Public Health Preparedness 13, no. 4 (2019): 686–90. http://dx.doi.org/10.1017/dmp.2018.136.

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ABSTRACTObjectiveEarthquakes may lead to a reaction to severe stress and adjustment disorders (RSSAD). On September 7, 19, and 23, 2017, Mexico was struck by many severe earthquakes. The aim of this study was to examine whether there was an increase in the number of consultations and RSSAD in a psychiatric emergency department in Mexico City after these earthquakes.MethodsWe studied retrospectively the diagnosis and triage assessment from a Mexican psychiatric emergency department database from September 1 to November 30, 2017, and analyzed RSSAD and the number of consultations after the earth

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Dastour, Hatef, Anil Gupta, Gopal Achari, and Quazi K. Hassan. "A Robust Regime Shift Change Detection Algorithm for Water-Flow Dynamics." Water 15, no. 8 (2023): 1571. http://dx.doi.org/10.3390/w15081571.

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Stream and river monitoring have an influential role in agriculture, the fishing industry, land surveillance, the oil and gas industry, etc. Recognizing sudden changes in the behavior of streamflow could also provide tremendous insight for decision-making and administration purposes. The primary purpose of this study is to offer a new robust Regime Shift Change Detection (RSCD) algorithm which can identify periods and regime changes without any assumptions regarding the length of these periods. A regime shift algorithm using two different refined method approaches is proposed in this article.

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Yamamoto, Yoh, Alan Salcedo, Carlos M. Diaz, Md Shamsul Alam, Tunna Baruah, and Rajendra R. Zope. "Assessing the effect of regularization on the molecular properties predicted by SCAN and self-interaction corrected SCAN meta-GGA." Physical Chemistry Chemical Physics 22, no. 32 (2020): 18060–70. http://dx.doi.org/10.1039/d0cp02717k.

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Regularized SCAN (rSCAN) gives molecular properties similar to SCAN except for atomization energies. After the removal of self-interaction errors, rSCAN describes properties slightly better than the self-interaction corrected SCAN.

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Idris, Mohd Nazri, Zainal Arifin Ahmad, Zakaria Mohd Amin, and Mohd Azmier Ahmad. "Optimization Process for Producing Mesopores Activated Carbon Based on Hevea Brasiliensis Seed Coat Using Response Surface Methodology." Advanced Materials Research 364 (October 2011): 382–87. http://dx.doi.org/10.4028/www.scientific.net/amr.364.382.

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The conditions for the preparation of rubber (hevea brasiliensis) seed coat based activated carbon (RSCAC) treated with NaOH were optimized through response surface methodology (RSM). The effects of three preparation variables: the activation temperature, activation time and NaOH impregnation ratio (IR) on Remazol Brilliant Blue R (RBBR) removal from aqueous solutions and RSCAC yield were investigated. Based on the RSM, two quadratic models were respectively developed to correlate the preparation variables to the RBBR percentage removal and carbon yield. The significant factors on each experim

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Kulikov, F. A., A. Yu Murzin, I. E. Ivanov, and Y. А. Umnov. "Study of accuracy of overhead transmission line fault location based on data of phasor measurement units of different configuration and manufacturers." Vestnik IGEU, no. 1 (February 28, 2024): 44–52. http://dx.doi.org/10.17588/2072-2672.2024.1.044-052.

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The technology of synchronized phasor measurements has been widely used in the Russian power system to analyze the parameters of steady-state electrical power modes and to record electro-mechanical transient processes. Issues on fault location based on synchronized phasor measurements have mainly been discussed in foreign publications. A significant drawback of most research papers on this issue is simplified modeling of both overhead lines and current and voltage measurement channel as well as digital filters of phasor measurement units (PMUs). The goal of this research is to develop a fault

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BRABANT, Y., C. LEPINE, B. AUBART, M. LORENZO, and R. ONAISI. "CE QUE NOUS PERCEVONS DES COMPETENCES DES ETUDIANTS A LA LECTURE DE LEURS RSCA EST-IL CORRELE A LEURS EVALUATIONS EN STAGE ?" EXERCER 36, no. 211 (2025): 136–42. https://doi.org/10.56746/exercer.2025.211.136.

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Introduction. La formation de troisième cycle menant au diplôme d’études spécialisées de médecine générale (DES-MG) vise le développement des compétences du référentiel de médecine générale par les étudiants. Le récit de situation complexe et authentique (RSCA), outil d’écriture réflexive utilisé dans les départements de médecine générale, semble renseigner sur le développement des compétences des étudiants de troisième cycle. L’objectif de cette étude était de comparer les résultats d’une évaluation des compétences à partir d’un RSCA à celle réalisée en stage. Méthode. Une étude observationne

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BUSCHINI, L., C. VARTANIAN, Y. BRABANT, et al. "RECITS DE SITUATION COMPLEXE ET AUTHENTIQUE : QUELLE UTILISATION DANS LES DEPARTEMENTS UNIVERSITAIRES DE MEDECINE GENERALE FRANCAIS." EXERCER 30, no. 152 (2019): 182–83. https://doi.org/10.56746/exercer.2019.152.182.

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Contexte : Le Récit de situation complexe et authentique (RSCA) est un outil pédagogique utilisé par les Départe-ments de médecine générale (DMG) français pour la formation des internes. Il fait partie des traces d’apprentissage contenues dans le portfolio. Il a pour objectifs de former des praticiens réflexifs et d’aider l’interne à développer ses compétences professionnelles. Objectif : Décrire l’utilisation des RSCA par les ensei-gnants des DMG français. Méthodes : Une étude transversale a été réalisée de décembre 2016 à mars 2017 à l’aide d’un questionnaire électronique adressé aux 35 DMG

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Yan, Juntao, Jinhong Liu, Ya Sun, et al. "Investigation on the Preparation of Rice Straw-Derived Cellulose Acetate and Its Spinnability for Electrospinning." Polymers 13, no. 20 (2021): 3463. http://dx.doi.org/10.3390/polym13203463.

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Rice straw-derived cellulose (RSC) with purity of 92 wt.% was successfully extracted from rice straw by a novel and facile strategy, which integrated the C2H5OH/H2O autocatalytic process, dilute alkali treatment and H2O2 bleaching process. Influencing factors of the cellulose extraction were systematically examined, such as ethanol concentration, alkali concentration, H2O2 bleaching process and so on; the optimal extraction conditions of cellulose was determined. A series of rice straw-derived cellulose acetate (RSCA) with different degree of substitution (DS) were prepared by the acetylation

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Cahayani, Suci, Titi Saparina L., and Hartian Dode. "Faktor Risiko Pemicu Demam Tifoid Pasien Rawat Jalan (Studi di Rumah Sakit Dr. R. Ismoyo)." Jurnal Healthy Mandala Waluya 2, no. 2 (2023): 265–77. http://dx.doi.org/10.54883/jhmw.v2i2.268.

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Berdasarkan data yang diperoleh di RSAD Dr. R. Ismoyo kota Kendari tentang kejadian demam tifoid pada tahun 2022 sebanyak 102 kasus. Tujuan penelitian ini yaitu untuk menetahui faktor risiko kejadian demam tifoid pada pasien rawat jalan di RSAD Dr.R.Ismoyo kota Kendari. Jenis penelitian ini adalah penelitian kuantitatif dengan pendekatan Case-Control Study. Populasi penelitian adalah semua Penderita demam tifoid di RSAD Dr. R. Ismoyo Kota Kendari sebanyak 102 kasus dengan jumlah sampel 53 orang. Teknik pengambilan sampel menggunakan Simple Random Sampling. Metode analisis menggunakan Uji Odds

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Yongmei, Hou, and Wang Yiyang. "Psychometric Performance of Resilience Scale for Chinese Adolescent (RSCA) for Undergraduates in Guangdong, China." American Journal of Education and Learning 6, no. 2 (2021): 86–93. http://dx.doi.org/10.20448/804.6.2.86.93.

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To analyze the psychometric performance of Resilience Scale for Chinese Adolescent (RSCA) for undergraduates in Guangdong. Stratified random sampling method was used to select 1628 undergraduates from 7 colleges in Guangdong. RSCA and Academic Burnout Scale for Chinese Undergraduates (ABSCU) were used to investigate them. Cronbach's αcoefficient and split-half reliability were used to analyze the internal consistency of RSCA. Convergent validity, discriminant validity, factor analysis and criterion validity were used to evaluate its validity. Celling and floor effect were used to analyze its s

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Beichl, Matthias, Andreas Hanslik, Daniel Zimpfer, Judith Rittenschober-Boehm, Katrin Nagl, and Ina Michel-Behnke. "A Cyanotic Newborn with a Pink Right Upper Extremity." Case Reports in Pediatrics 2020 (June 29, 2020): 1–4. http://dx.doi.org/10.1155/2020/8873156.

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Aberrant origin of the subclavian artery (SCA) is a well-known vascular anomaly as part of congenital heart diseases with the left subclavian artery (LSCA) being more frequently affected than the right subclavian artery (RSCA). Complete isolation of the SCA is an even more infrequent aortic arch anomaly, occurring in less than 1% for the LSCA and even less for the RSCA. Isolation of the RSCA in patients with d-transposition of the great arteries (D-TGA) is even scanter with only a hand full of cases being reported in the literature. However, isolation of the RSCA has important implications on

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Zhang, Tingyuan, Changsheng Zhang, Zhongyi Yang, et al. "Multi-class rice seed recognition based on deep space and channel residual network combined with double attention mechanism." PLOS One 20, no. 5 (2025): e0322699. https://doi.org/10.1371/journal.pone.0322699.

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Accurately recognizing rice seed varieties poses significant challenges due to their diverse morphological characteristics and complex classification requirements. Traditional image recognition methods often struggle with both accuracy and efficiency in this context. To address these limitations, this study proposes the Deep Space and Channel Residual Network with Double Attention Mechanism (RSCD-Net) to enhance the recognition accuracy of 36 rice seed varieties. The core innovation of RSCD-Net is the introduction of the Space and Channel Feature Extraction Residual Block (SCR-Block), which im

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Hayati, Teti. "Pengaruh Gaya Kepemimpinan Atasan Dan Kualitas Pelayanan Perawat T erhadap Kepuasan Pasien di Ruang Perawatan Bedah RSPAD Gatot Soebroto Puskesad." JOURNAL EDUCATIONAL OF NURSING(JEN) 1, no. 1 (2018): 48–57. http://dx.doi.org/10.37430/jen.v1i1.64.

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Penelitian ini ditunjukkan untuk mendeskripsikan pengaruh gaya kepemimpinan atasan dan kualitas pelayanan perawat terhadap kepuasan pasien di Ruang Perawatan Bedah RSPAD Gatot Soebroto Puskesad, baik secara sendiri- sendiri maupun secara bersama-sama. Penelitian ini berlangsung 2 bulan mulai September sampai dengan Oktober 2015. Metode penelitian yang digunakan adalah metode survey, Responden penelitian adalah pasien di Ruang Perawatan Bedah RSPAD Gatot Soebroto Puskesad.sebanyak 60 orang yang dipilih berdasarkan teknik acak. Instrumen yang digunakan adalah angket untuk menghimpun data variabe

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de Mijolla, Damien, and Melissa K. Ness. "Measuring Chemical Likeness of Stars with Relevant Scaled Component Analysis." Astrophysical Journal 926, no. 2 (2022): 193. http://dx.doi.org/10.3847/1538-4357/ac46a0.

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Abstract Identification of chemically similar stars using elemental abundances is core to many pursuits within Galactic archeology. However, measuring the chemical likeness of stars using abundances directly is limited by systematic imprints of imperfect synthetic spectra in abundance derivation. We present a novel data-driven model that is capable of identifying chemically similar stars from spectra alone. We call this relevant scaled component analysis (RSCA). RSCA finds a mapping from stellar spectra to a representation that optimizes recovery of known open clusters. By design, RSCA amplifi

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Xu, Jialang, Chunbo Luo, Xinyue Chen, Shicai Wei, and Yang Luo. "Remote Sensing Change Detection Based on Multidirectional Adaptive Feature Fusion and Perceptual Similarity." Remote Sensing 13, no. 15 (2021): 3053. http://dx.doi.org/10.3390/rs13153053.

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Remote sensing change detection (RSCD) is an important yet challenging task in Earth observation. The booming development of convolutional neural networks (CNNs) in computer vision raises new possibilities for RSCD, and many recent RSCD methods have introduced CNNs to achieve promising improvements in performance. In this paper we propose a novel multidirectional fusion and perception network for change detection in bi-temporal very-high-resolution remote sensing images. First, we propose an elaborate feature fusion module consisting of a multidirectional fusion pathway (MFP) and an adaptive w

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Ma, Jun, Zhengyu Lu, Xin Zhou, et al. "Comparing Thoracic Extensive Laminoplasty (TELP) and Laminectomy in Treating Severe Thoracic Ligamentum Flavum Ossification: A Proposed Novel Technique and Case-Control Study." BioMed Research International 2021 (April 20, 2021): 1–10. http://dx.doi.org/10.1155/2021/8410317.

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Objective. (1) To propose a novel technique named thoracic extensive laminoplasty (TELP) in curing severe thoracic ligamentum flavum ossification (STOLF) and (2) to compare outcomes between TELP and laminectomy in curing STOLF. Methods. Cases with fused or tuberous STOLF (Sato classification) treated from Jan 2015 to Jan 2017 were reviewed and divided into the TELP group (G1) and laminectomy group (G2) according to their surgical management. Data on demographics, complications, pre- and postoperative symptoms, residual spinal canal area (RSCA-1), residual spinal cord area (RSCA-2), modified Ja

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Saha, Uttam K., Leticia Sonon, and Michael Kane. "Prediction of calorific values, moisture, ash, carbon, nitrogen, and sulfur content of pine tree biomass using near infrared spectroscopy." Journal of Near Infrared Spectroscopy 25, no. 4 (2017): 242–55. http://dx.doi.org/10.1177/0967033517689981.

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Loblolly ( Pinus taeda) and slash ( Pinus elliottii) pine tree biomass are significant renewable energy resources for bioenergy industries in the Southeastern United States. There is a great need for evaluation of their properties (relevant to production and evaluation-screening for bioenergy extraction) by rapid but accurate analytical methods like near infrared reflectance (NIR) spectroscopy. However, no attempts have been made so far to develop useful NIR spectroscopic calibration models for analyzing biomass of these two species. In this study, acceptable NIR spectroscopic calibration mode

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BRASSEUR, N., C. PATRICE, T. COLLEONY, P.-E. SCHWARTZBROD, F. NOEL, and S. COSTE. "ANALYSE DESCRIPTIVE DES RSCA ET DES QUESTIONNEMENTS DES ETUDIANTS A PARTIR D UNE PROMOTION D ETUDIANTS MILITAIRES." EXERCER 35, no. 207 (2024): 424–30. http://dx.doi.org/10.56746/exercer.2024.207.424.

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Contexte. Le récit de situation complexe authentique (RSCA) est une trace écrite d’apprentissage (TEA) réflexive, constitutive du portfolio du DES de médecine générale. Il amè ne l’étudiant à se questionner sur sa pratique, apprécie la construction des compétences et la rencontre des familles de situation. Objectif. Analyser le contenu des RSCA d’étudiants militaires afin d’en faire ressortir les questionnements principaux, ainsi que les sources utilisées dans la recherche bibliographique. Mé thode. Étude rétrospective descriptive de l’ensemble des RSCA des étudiants militaires de la promotion

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JAILLOT, S., A. SAVALL, C. PLOTTON, and X. GOCKO. "LES RECITS DE SITUATION COMPLEXE AUTHENTIQUES SONT-ILS DES OUTILS PEDAGOGIQUES VALIDES ? EVALUATION STEPHANOISE." EXERCER 30, no. 156 (2019): 381–82. https://doi.org/10.56746/exercer.2019.156.381.

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Contexte : Dans le paradigme d’apprentissage qui régit le diplôme d’études spécialisées (DES) de médecine générale les traces écrites d’apprentissage (TEA) sont des outils d’évaluation formative et sommative. Une de ces TEA, le récit de situation complexe authentique (RSCA) est un outil commun à presque tous les départements de médecine générale. Un consensus formalisé national a permis l’obtention d’une grille critériée d’évaluation. À Saint-Étienne, le second RSCA demandé était présenté lors de la soutenance du DES. Pour juger de la validité de cet outil pédagogique, les contenus des RSCA pr

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Zhu, Aixi, Yiming Zhu, Nizhuan Wang, and Yingying Chen. "A robust self-driven surface crack detection algorithm using local features." Insight - Non-Destructive Testing and Condition Monitoring 62, no. 5 (2020): 269–76. http://dx.doi.org/10.1784/insi.2020.62.5.269.

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This paper presents an effective image analysis method for visual surface crack detection, called a robust self-driven crack detection algorithm (RSCDA). Firstly, a local texture anisotropy (LTA) is estimated based on self-driven local feature statistics from the original photograph. Secondly, the LTA is used to detect candidate crack pixels. Finally, the actual crack pixels are accurately identified using two effective measurements for connected domains based on discriminative direction and relative sparse features. The results demonstrate that the RSCDA is an effective and robust surface cra

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Do, Mai Nguyen, Van Hop Nguyen, Le My Linh Nguyen, and Thanh Tam Toan Tran. "Electrochemical determination of clenbuterol with differential pulse voltammetry technique at carbon dots-based rice straw-modified electrode." Hue University Journal of Science: Natural Science 133, no. 1D (2024): 37–44. https://doi.org/10.26459/hueunijns.v133i1d.7388.

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In the present study, the carbon dots (CD) were extracted from rice straw (RS) and denoted as RSCD. The obtained material was examined by using techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and nitrogen adsorption/desorption isotherms. The RSCD material was employed as an electrode modifier to improve the effectiveness of an electrochemical sensor for determining clenbuterol (CLB). RSCD showed fabulous oxidation towards clenbuterol. The modest detection limit could confirm an LOD value of 0.094 µM within a linear range between 0.1 and 1.8 µM under suitable con

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Wijayanti, Rina. "Hubungan Antara Pengetahuan Dengan Pengisian Partograf Pada Mahasiswi di Akbid RSPAD Gatot Soebroto Tahun 2019." Jurnal Ilmiah Kesehatan Delima 3, no. 1 (2020): 90–98. http://dx.doi.org/10.60010/jikd.v3i1.48.

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Deteksi dini komplikasi persalinan merupakan salah satu penerapan peran dan fungsi bidan sebagai pelaksana.Dukungan pengetahuan pada seorang bidan merupakan syarat utama dalam melaksanakan deteksi dini komplikasi. Bidan maupun mahasiswi kebidanan dituntut memiliki pengetahuan yang tinggi. Salah satunya mengenai deteksi dini menggunakan alat pemantauan persalinan yaitu partograf. Untuk mengetahui hubungan antara pengetahuan dengan pengisian partograf pada mahasiswi di AKBID RSPAD Gatot Soebroto tahun 2019. Penelitian ini menggunakan metode deskriptif sederhana, dengan menggunakan 76 mahas

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Aguilar-Cordero, José-Fabián. "Exploración de la percepción estudiantil sobre la implementación guiones para promover la regulación socialmente compartida del aprendizaje." Revista Electrónica Calidad en la Educación Superior 14, no. 2 (2023): 364–90. http://dx.doi.org/10.22458/caes.v14i2.5004.

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Siendo que algunos procesos de autoevaluación de programas universitarios consideran como criterio el desarrollo de la habilidad de trabajo en equipo (HTE), es relevante conocer la percepción de estudiantes sobre acciones docentes para promover esta habilidad. Es así como se considera que la HTE se puede desarrollar con actividades de aprendizaje que promuevan procesos de regulación socialmente compartida del aprendizaje (RSCA) y la metacognición socialmente compartida (MSC) en el contexto universitario. A partir de esta consideración, se implementan guiones basados en eventos metacognitivos r

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Lyu, Yiwei, Sung Jik Cha, Cheng Jiang, et al. "Step-Calibrated Diffusion for Biomedical Optical Image Restoration." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 6 (2025): 5946–54. https://doi.org/10.1609/aaai.v39i6.32635.

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High-quality, high-resolution medical imaging is essential for clinical care. Raman-based biomedical optical imaging uses non-ionizing infrared radiation to evaluate human tissues in real time and is used for early cancer detection, brain tumor diagnosis, and intraoperative tissue analysis. Unfortunately, optical imaging is vulnerable to image degradation due to laser scattering and absorption, which can result in diagnostic errors and misguided treatment. Restoration of optical images is a challenging computer vision task because the sources of image degradation are multi-factorial, stochasti

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Nauli, Anggita Trisia, and Loeky Rono Pradopo. "PENGARUH LINGKUNGAN KERJA DAN STRES KERJA TERHADAP KINERJA KARYAWAN RSPAD GATOT SOEBROTO (STUDI PADA KARYAWAN RSPAD GATOT SOEBROTO DI JAKARTA)." Jurnal Manajemen & Bisnis Jayakarta 1, no. 1 (2019): 7–21. http://dx.doi.org/10.53825/jmbjayakarta.v1i1.10.

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Penelitian ini bertujuan untuk mengetahui pengaruh lingkungan kerja dan stres terhadap kinerja bagi karyawan operasional pada RSPAD Gatot Soebroto. Dimana diajukan dua variabel bebas dan satu variabel terikat, yaitu lingkungan kerja dan stres kerja berperan sebagai variabel bebas dan kinerja karyawan berperan sebagai variabel terikat. Penilitian ini dilakukan dengan metode survey terhadap karyawan RSPAD Gatot Soebroto dianalisis dengan regresi. Tahap pertama menguji validitas dan reliabilitas pertanyaan setiap variabel. Tahap kedua, meregresi variabel lingkungan kerja dan stres kerja terhadap

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Nugraheni, Reninta Dewi, and Kanetasya Sabilla. "Keunggulan Kompetitif Produk Pangan-Pertanian ASEAN-5 Selama 20 Tahun: Perubahannya Melalui Krisis." Jurnal Ekonomi dan Pembangunan Indonesia 24, no. 1 (2024): 52–78. http://dx.doi.org/10.21002/jepi.2024.04.

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Penelitian ini bertujuan untuk mengkaji keunggulan daya saing kompetitif perdagangan luar negeri dengan produk pangan-pertanian lima negara Association of South East Asia Nations (ASEAN), yaitu Indonesia, Malaysia, Thailand, Singapura, dan Filipina antara tahun 2003–2022 dengan membagi waktu menjadi krisis global pada tahun 2009, perang dagang Tiongkok dan Amerika Serikat (AS) pada tahun 2018, dan pandemi COVID-19 pada tahun 2020. Studi ini membangun model ekonometrik dengan menggunakan indikator Revealed Comparative Advantage (RCA) dan Revealed Symmetric Comparative Advantage (RSCA). Hasilnya

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Subiyanto, Imam. "Pengaruh Gaya Hidup Terhadap Kejadian Dm Tipe 2 Di Poliklinik Penyakit Dalam RSPAD Gatot Subroto Jakarta Pusat Tahun 2017." JIKO (Jurnal Ilmiah Keperawatan Orthopedi) 2, no. 2 (2018): 106–25. http://dx.doi.org/10.46749/jiko.v2i2.21.

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Prevalensi DM di Indonesia pada tahun 2013 sebesar 2,1% meningkat dari tahun 2007 yang hanya 1,1% dan DKI jakarta berada diatas rata-rata prevalensi nasional yaitu 3,0%. Data DM di RSPAD tahun 2016 merupakan penyakit terbanyak dari 10 penyakit tertinggi (50%), maka maka perlu dilakukan penelitian tentang hubungan antara gaya hidup dengan kejadian diabetes mellitus tipe 2. Tujuan Penelitian ini untuk mengetahui hubungan antara gaya hidup dengan kejadian DM tipe 2 di poliklinik penyakit dalam RSPAD Gatot Subroto Jakarta Pusat tahun 2017. Jenis penelitian ini adalah studi analitik observasional d

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Juahrtini, Ahmad Yani, Baiq Ratmini, and Lalu Moh Nurkholis. "SISTEM INFORMASI PEMBAYARAN PASIEN RAWAT JALAN PADA RUMAH SAKIT ANGKATAN DARAT (RSAD) MATARAM." EXPLORE 8, no. 2 (2018): 41. http://dx.doi.org/10.35200/explore.v8i2.125.

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Dalam perkembangan ilmu pengetahuan dan teknologi, sistem informasi sangat berpengaruh dalam berbagai bidang. Dengan adanya sistem informasi dapat mempermudah dalam melakukan pengolahan data sehingga dapat menghemat waktu, ruang, dan biaya. Rumah Sakit Angkatan Darat (RSAD) Mataram adalah salah satu pusat pelayanan kesehatan yang berada di kota Mataram. Adapun kinerja sistem dalam pelayanan pasien yang berjalan di RSAD Mataram tersebut masih belum optimal karena pada pengolahan data masih menggunakan sistem manual. Banyak kendala yang dialami oleh pihak Rumah Sakit Angkatan Darat Mataram, dian

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Magomani, Joshua. "Revealed Comparative Advantage of South African Wool." International Journal of Economics, Business and Management Research 09, no. 04 (2025): 331–44. https://doi.org/10.51505/ijebmr.2025.9421.

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The aim of the study is to analyse the comparative advantage of the South African wool using the revealed comparative advantage (RCA), revealed symmetric comparative advantage (RSCA) index and relative trade advantage (RTA). The study used trade data from the UN COMTRADE statistics and the ITC Trade Map over the period 2003 to 2022. The foot-and-mouth disease (FMD) outbreak data was sourced from the WOAH database. The RCA, RSCA, and RTA show that South Africa has a comparative advantage in wool. Moreover, the South African comparative advantage is exhibiting an increasing trend but the decline

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Zeyad A. Abdulhamed, Nihad.M. Abood, and Abdulsamad. H. Noaman. "RECURRENT SELECTION FOR GENERAL AND SPECIFIC COMBINING ABILITY IN MAIZE." IRAQI JOURNAL OF AGRICULTURAL SCIENCES 55, Special (2024): 99–110. http://dx.doi.org/10.36103/ijas.v55ispecial.1889.

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This study was aimed to identify efficiency of recurrent selection program to improve maize population. This program was applied to var. Buhooth 106 with var. 5012 Using RGCA with the inbred Zm7 for the production of RSCA. The recurrent selection program was implemented for four consecutive seasons (2020 - 2021) at the Fields Station of the College of Agriculture - University of Anbar. In the spring season 2020, 100 top crosses were obtained from both varieties and progeny. During the fall season 2020, an experiment was carried out to compare the top crosses of each variety RGCA and RSCA using

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Feng, Jiangfan, Xinyu Yang, Zhujun Gu, Maimai Zeng, and Wei Zheng. "SMBCNet: A Transformer-Based Approach for Change Detection in Remote Sensing Images through Semantic Segmentation." Remote Sensing 15, no. 14 (2023): 3566. http://dx.doi.org/10.3390/rs15143566.

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Remote sensing change detection (RSCD) is crucial for our understanding of the dynamic pattern of the Earth’s surface and human influence. Recently, transformer-based methodologies have advanced from their powerful global modeling capabilities in RSCD tasks. Nevertheless, they remain under excessive parameterization, which continues to be severely constrained by time and computation resources. Here, we present a transformer-based RSCD model called the Segmentation Multi-Branch Change Detection Network (SMBCNet). Our proposed approach combines a hierarchically structured transformer encoder wit

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Dalton, Tracy L., Julie T. Collins, Timothy C. Barnett, and June R. Scott. "RscA, a Member of the MDR1 Family of Transporters, Is Repressed by CovR and Required for Growth of Streptococcus pyogenes under Heat Stress." Journal of Bacteriology 188, no. 1 (2006): 77–85. http://dx.doi.org/10.1128/jb.188.1.77-85.2006.

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ABSTRACT The ability of Streptococcus pyogenes (group A streptococcus [GAS]) to respond to changes in environmental conditions is essential for this gram-positive organism to successfully cause disease in its human host. The two-component system CovRS controls expression of about 15% of the GAS genome either directly or indirectly. In most operons studied, CovR acts as a repressor. We previously linked CovRS to the GAS stress response by showing that the sensor kinase CovS is required to inactivate the response regulator CovR so that GAS can grow under conditions of heat, acid, and salt stress

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