Search Results - S. Choi
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Time-optimal Earth–Mars transfer using nuclear electric propulsion
Published 2025-10-01Get full textThis study focuses on the time-optimal end-to-end transfer trajectory between Earth and Mars using a low-thrust nuclear electric propulsion (NEP) system. The Korea Societies for Space Science and Nuclear have listed up various parameters for the Mars explorer, such as the initial mass, specific impu...
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Foresight for Science and Technology Priority Setting in Korea
Published 2015-09-01Get full textThe main purpose of Technology Foresight (TF) in Korea is to predict the development of S&T and use the results in developing S&T policies. However, informing the public about what the future holds based on the development of S&T is an equally important role of TF.Since the introduction...
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Source and Drain Junction Engineering for Enhanced Non-Volatile Memory Performance
Published 2011Get full textNone
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The Optimal Timing of Endoscopy in Nonvariceal Upper Gastrointestinal Bleeding–The Sooner, the Better?
Published 2024-09-01 Get full text
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Severe Corrosive Injury Secondary to Chlorine Bleach Ingestion: A Case Report
Published 2024-12-01Get full textCorrosive injuries to the upper gastrointestinal tract, particularly those caused by alkaline substances, often result in more severe and deeper tissue injuries than those observed after ingestion of acidic substances. We report a case of severe corrosive injury following ingestion of chlorine bleac...
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Integrating ChatGPT into the Design of 5E-Based Earth Science Lessons
Published 2025-06-01Get full textThis study investigates how pre-service Earth science teachers used ChatGPT in designing lessons based on the 5E instructional model and what educational opportunities and challenges emerged. As generative AI tools gain traction in education, understanding their integration into science lesson plann...
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Gastric Cancer Showing Rapid Recurrence and Progression: A Case of Gastric Adenocarcinoma With Enteroblastic Differentiation
Published 2024-03-01Get full textGastric adenocarcinoma with enteroblastic differentiation (GAED) is rare and its clinicopathological characteristics are not well documented. However, reports indicate that it exhibits more aggressive characteristics, including lymph node metastasis or liver metastasis, than a conventional gastric a...
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Machine Learning-Based Methodology for Fast Assessment of Battery Health Status
Published 2025-06-01Get full textGlobal electric vehicle (EV) markets are rapidly expanding, and the efficient management of batteries has become increasingly important due to supply constraints of rare metals and other raw materials required for lithium-ion batteries. Accordingly, the reuse and recycling of used batteries from ear...
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Cogito, Ergo Contraho: Think Big or Think Small? How Construal Level Theory Shapes Creative Agreements
Published 2025-06-01Get full textCreativity is a vital element for successful negotiation and positive business outcomes. However, a complete understanding of how different thinking styles shape creative agreements is still developing in research. This study examines how broad and detailed thinking affects the ability to create inv...
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Against Futility Judgments for Patients with Prolonged Disorders of Consciousness
Published 2022-07-01Get full textPhoto by National Cancer Institute on Unsplash ABSTRACT Medical futility judgments for patients in prolonged disorders of consciousness (PDOC) frequently lead to withdrawal of life-sustaining treatment (LST), which is the leading cause of death for patients with traumatic brain injuries. The fi...
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Current Optical Imaging Techniques for Brain Tumor Research: Application of in vivo Laser Scanning Microscopy Imaging with a Cranial Window System
Published 2011Get full textNone
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A Study on Factors Influencing Continuous Usage Intention of Chatbot Services in South Korean Financial Institutions
Published 2025-04-01Get full textThe South Korean AI market has grown significantly, yet while chatbot adoption is well-studied, sustained use remains underexplored. This study surveyed 250 financial institution chatbot users in South Korea in February 2024, using SPSS and R to investigate quality effects on intention of continuous...
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Use of natural enemies to control agricultural pests in Korea /
Published 1990Abstracts in English, Chinese, Japanese and Korean.
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Light Intensity Fluctuations and Blueshift
Published 2011Get full textNone
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Nonclassical Properties of Superpositions of Coherent and Squeezed States for Electromagnetic Fields in Time-Varying Media
Published 2012Get full textNone
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Approach to the Screening and Diagnosis of Osteoporosis
Published 2012Get full textNone
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Esophageal Subepithelial Lesion in a Patient with Painful Swallowing
Published 2020-06-01 Get full text
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Strategies for the Endoscopic Management and Post-Resection Treatment of Superficial Esophageal Squamous Cell Carcinoma
Published 2024-03-01Get full textEndoscopic resection (ER) is preferred for treating superficial esophageal squamous cell carcinoma (SESCC) that has a low risk of lymph node metastasis; the preference is due to the technique’s minimal invasiveness and having outcomes comparable to those of surgical resection, in suitable cases. Det...
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Can the Combination of Famotidine and Prokinetics Have Additional Effects on Gastric Acid Suppression?
Published 2021-09-01 Get full text
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