Search Results - "Seungju Baek"
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A Study on Pre-service Teachers' Discourse about Infinitesimals, Infinite Numbers, and Limits
Published in Journal of Educational Research in Mathematics (30-11-2021)“…This study investigated seven pre-service teachers’ (who studied analysis) conceptions about infinitesimals, infinite numbers, and explanation methods of…”
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Experimental Study on the Spray Characteristics of Ethanol Gasoline Blended Fuel in a Direct Injection System
Published in International journal of automotive technology (01-06-2020)“…Global warming and finite amount of oil resources have become serious issues. For this reason, the development of eco-friendly vehicles, using biofuel or oher…”
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3
Association of Urinary Benzene Metabolite and the Ratio of Triglycerides to High-Density Lipoprotein Cholesterol: A Cross-Sectional Study Using the Korean National Environmental Health Survey (2018-2020)
Published in Toxics (Basel) (01-12-2023)“…The aim of this study was to investigate the association between benzene and toluene, and the ratio of triglycerides to high-density lipoprotein cholesterol…”
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4
A Historical and Mathematical Study on Continuum - Focusing on the Composition and Infinite Division
Published in Journal of Educational Research in Mathematics (30-11-2020)“…This study conducted historical and mathematical analyses of the composition of continuum and infinite division. Regarding the results of the historical…”
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Interfacial reactions and mechanical properties of transient liquid-phase bonding joints in Cu/Sn/Ni(P) and Ni/Sn/(OSP)Cu structures for power modules
Published in Journal of materials science. Materials in electronics (01-02-2021)“…Power modules are being increasingly used as essential parts in eco-friendly vehicles, and they are generally exposed to high temperatures during operation. To…”
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예비교사들의 무한소, 무한히 큰 수, 극한에 대한 담론 분석
Published in Suhak gyoyukak yeon-gu (Online) (30-11-2021)“…본 연구는 해석학을 이미 학습한 예비교사 7명을 대상으로 무한소와 무한히 큰 수에 대한 인식 및 극한의 설명 방식을 조사하였다. 일부 예비교사들은 무한소와 무한히 큰 수가 존재한다고 생각하였으며, 무한소가 존재한다고 생각하지 않은 예비교사들도 무한히 작은 양에 의존하여 극한을…”
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On-board LPG reforming system for an LPG · hydrogen mixed combustion engine
Published in International journal of hydrogen energy (17-04-2020)“…In this study, we evaluated the properties of a reforming catalyst system for generating hydrogen from liquified petroleum gas (LPG) fuel and supplying…”
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Fuel efficiency and exhaust characteristics of turbocharged diesel engine equipped with an electric supercharger
Published in Energy (Oxford) (01-01-2021)“…The electric supercharger, which is an important device of the 48 V hybrid system, is known to increase the low-speed efficiency and torque of the internal…”
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9
Association of Pro-inflammatory Cytokines with Gastric Cancer Risk: A Case-Cohort Study
Published in Cancer research and treatment (19-11-2024)Get full text
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10
Risk Profile of Stalking in South Korea: Analyzing the First Year of Court Decisions Following Initial Legal Responses
Published in Trauma, violence & abuse (21-10-2024)“…South Korea implemented specific legislation titled the ( ) on October 21, 2021, to address the issue of stalking. This study evaluated the risks associated…”
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Investigation of CO2 and PN emission characteristics according to the propane content for a LPG engine
Published in Fuel (Guildford) (01-02-2024)“…•LPG vehicles are eco-friendly because they have low CO2 and PN emissions.•Propane contents of LPG fuel are different from winter and summer seasons.•Propane…”
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Trends in NOx and NH3 emissions caused by three-way catalysts
Published in Fuel (Guildford) (15-06-2024)“…•Three-way catalysts (TWC) are used in spark-ignition engines to meet exhaust regulations.•NH3 emissions are generated in TWCs during the NOx reduction.•In…”
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13
Prediction of turbocharged diesel engine performance equipped with an electric supercharger using 1D simulation
Published in Energy (Oxford) (15-10-2019)“…The electric supercharger has the advantages of reducing turbo lag and improving low-speed torque of turbocharged engine. The steady-state model using 1D…”
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Analysis of combustion and exhaust characteristics according to changes in the propane content of LPG
Published in Energy (Oxford) (15-01-2022)“…Owing to the regulation of CO2 reduction in global transportation system, the number of vehicles using LPG is increasing worldwide and their cleanliness is…”
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Risk factors for self-harm in psychiatric wards: A judicial case analysis
Published in Archives of psychiatric nursing (01-04-2021)“…Patients hospitalized in a psychiatric ward may engage in self-injurious behavior secretly, leading to fatal consequences. This study aimed to identify risk…”
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