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Wonjae Yoon, Vikas Khandu Bhosale and Hosung Yoon
The development of propulsion systems based on green propellants, as an alternative to hydrazines, has been gaining interest within the space community. The study of Ammonium Dinitramide (ADN)-based liquid monopropellant, which is low-toxic and can deliv...
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Wonjae Yoon, Vikas Khandu Bhosale and Hosung Yoon
Ammonia dinitramide (ADN)-based liquid monopropellants are considered to be environmentally friendly alternatives to the toxic and carcinogenic hydrazine-based propellants. Hence, Space Solutions Co., Ltd. is developing a 1N ADN-based liquid monopropella...
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Senlin Guan, Kimiyasu Takahashi, Keiko Nakano, Koichiro Fukami and Wonjae Cho
Many cropping systems, notably for rice or soybean production, rely largely on arable land levelness. In this study, an automated levelness assessment system (ALAS) for evaluating lowland levelness is proposed. The measurement accuracy of total station, ...
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Walid Abdullah Al, Wonjae Cha and Il Dong Yun
Transcutaneous injection laryngoplasty (TIL) is a commonly used method to treat vocal fold paresis, where the affected vocal folds are augmented through injection. Determining the injection site and route is a major step during the preprocedural planning...
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Dokyung Kim, Tae-Yang Lee, Lia Kim, Rongxue Cui, Jin Il Kwak, Haemi Kim, Sun-Hwa Nam, Minjin Kim, Wonjae Hwang, Ji-In Kim, Seunghun Hyun and Youn-Joo An
For site-specific soil ecological risk assessments (SERAs), an integrated chemical, ecotoxicological, and ecological analysis needs to be performed. The SERA guidelines of international institutions and countries recommend that a SERA be initiated at the...
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Jang, Wonjae, Ran, Bin, Choi, Keechoo
Pág. 593 - 620
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