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| 1 | Characterization of particulate matter from diesel passenger cars tested on chassis dynamometers显示文摘Emission characterization of particle number as well as particle mass from three diesel passenger cars equipped with diesel particulate filter(DPF), diesel oxidation catalyst(DOC)and exhaust gas recirculation(EGR) under the vehicle driving cycles and regulatory cycle.Total particle number emissions(PNEs) decreased gradually during speed-up of vehicle from 17.3 to 97.3 km/hr. As the average vehicle speed increases, the size-segregated peak of particle number concentration shifts to smaller size ranges of particles. The correlation analysis with various particulate components such as particle number concentration(PNC),ultrafine particle number concentration(UFPNC) and particulate matter(PM) mass was conducted to compare gaseous compounds(CO, CO_2, HC and NOx). The UFPNC and PM were not only emitted highly in Seoul during severe traffic jam conditions, but also have good correlation with hydrocarbons and NOxinfluencing high potential on secondary aerosol generation. The effect of the dilution temperature on total PNC under the New European Driving Cycle(NEDC), was slightly higher than the dilution ratio. In addition, the nuclei mode(DP: ≤ 13 nm) was confirmed to be more sensitive to the dilution temperature rather than other particle size ranges. Comparison with particle composition between vehicle speed cycles and regulatory cycle showed that sulfate was slightly increased at regulatory cycle, while other components were relatively similar. During cold start test, semivolatile nucleation particles were increased due to effect of cold environment. Research on particle formation dependent on dilution conditions of diesel passenger cars under the NEDC is important to verify impact on vehicular traffic and secondary aerosol formation in Seoul. | Sungwoon Jung Jaehyun Lim Sangil Kwon Sangwoo Jeon Jeongsoo Kim Jongtae Lee Sunmoon Kim | 2017 | Journal of Environmental Sciences2017,29,4: | 4 |
| 2 | A highly sensitive chemical gas detecting transistor based on highly crystalline CVD-grown MoSe2 films显示文摘有原子厚度的分层的半导体由于他们的高级搬运人活动性,大 surface-to-volume 比率,和对他们的包围环境的快速的电的回答在高效的电子设备作为活跃元素正在变得日益重要。这里,我们报导高度敏感的 chemical-vapor-deposition-grown 的第一实现多层的 MoSe 2 地效果晶体管(联邦货物税) 在一没有 2 气体传感器。这个传感器展出了超离频敏感(S = ca。1,907 为在 300 ppm 的没有 2) ,即时反应,并且快速的开关切换。我们的 MoSe 2 气体传感器的高敏感在 2 气体专心于在离开状态政体在洞电流导致重要增加的 MoSe 2, 的 NO 劝诱的原子价乐队附近处于差距状态被归因于变化。设备建模和量运输模拟表明没有 2 集中的差距状态的变化是在 MoSe 2 的关键机制基于联邦货物税没有 2 气体传感器。这全面研究,它探讨材料生长,设备制造,描述,和设备模拟,不是仅仅为高效的化学传感器显示 MoSe 2 联邦货物税的用途,而且建立怎么出现理解化学的一个基础在分层的半导体设备影响搬运人运输。 | Jongyeol Baek Demin Yin Na Liu Inturu Omkaram Chulseung Jung Healin Im Seongin Hong Seung Min Kim Young Ki Hong Jaehyun Hur Youngki Yoon Sunkook Kim | 2017 | Nano Research2017,10,6: | 4 |
| 3 | Effects of bamboo charcoal on the growth performance, blood characteristics and noxious gas emission in fattening pigs显示文摘 | GyoMoon Chu JongHyun Kim HoiYun Kim JiHee Ha MinSeob Jung Yuno Song JaeHyun Cho ShinJa Lee RashidIsmael Hag Ibrahim SungSill Lee YoungMin Song | 2013 | Journal of Applied Animal Research2013,,1: | 2 |
| 4 | Modified pseudo-inverse redistribution methods for redundant controls allocation 显示文摘 | Jaehyun J | 2005 | Journal of Guidance Control and Dynamics2005,25,5: | 1 |
| 5 | Integral varieties of the canonical cone structure on G/P显示文摘 | Insong Choe Jaehyun Hong | 2004 | Mathematische Annalen2004,,4: | 1 |
| 6 | Design of fuzzy power system stabilizer using adaptive evolutionary algorithm显示文摘 | HWANG Gihyun KIN Dongwan LEE Jaehyun | 2008 | Engineering Applications of Artificial Intelligence2008,21,1: | 1 |
| 7 | Combination-based nanomaterial designs in single and double dimensions for improved electrodes in lithium ion-batteries and faradaic supercapacitors显示文摘In the past decade, researchers in the fields of energy production have concentrated on the improvement of new energy storage devices. Lithium-ion batteries(LIBs) and faradaic supercapacitors(FSs) have attracted special attention as a result of the rapid development of new electrode nanomaterials, especially hybrid nanomaterials, which can meet the increasingly higher requirements for future energy, such as the capability to deliver high-power performance and an extremely long life cycle. In these hybrid nanostructures, a series of synergistic effects and unique properties arising from the combination of individual components are a major factor leading to improved charge/discharge capability, energy density, and system lifetime. This paper describes the most recent progress in the growth of hybrid electrode materials for LIBs and FSs systems, focusing on the combination of zero-dimensional(0 D), one-dimensional(1 D), two-dimensional(2 D), and three-dimensional(3 D) nanomaterials, respectively. | Tuyet Nhung Pham Duckshin Park Yongil Lee Il Tae Kim Jaehyun Hur You-Kwan Oh Young-Chul Lee | 2019 | Journal of Energy Chemistry2019,28,11: | 1 |
| 8 | A cell-instructive hydrogel to regulate malignancy of 3D tumor spheroids with matrix rigidity显示文摘 | Youyun Liang Jaehyun Jeong Ross J. DeVolder Chaenyung Cha Fei Wang Yen Wah Tong Hyunjoon Kong | 2011 | Biomaterials2011,,35: | 1 |
| 9 | Enhanced Road Boundary and Obstacle Detection Using a Downward-Looking LIDAR Sensor显示文摘 | Jaehyun H Dongchul K Minchae L el al | 2012 | IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY2012,61,3: | 1 |
| 10 | Effect of stress ratio on fatigue life of GFRP composites for WT blade显示文摘 | Huh YongHak Lee JaeHyun Kim DongJin | 2012 | Journal of Mechanical Science and Technology2012,26,7: | 1 |
| 11 | Characterizations of organic compounds in diesel exhaust particulates显示文摘To characterize how the speed and load of a medium-duty diesel engine affected the organic compounds in diesel particle matter(PM) below 1 μm, four driving conditions were examined. At all four driving conditions, concentration of identifiable organic compounds in PM ultrafine(34–94 nm) and accumulation(94–1000 nm) modes ranged from 2.9 to 5.7 μg/m3 and 9.5 to 16.4 μg/m3, respectively. As a function of driving conditions, the non-oxygencontaining organics exhibited a reversed concentration trend to the oxygen-containing organics. The identified organic compounds were classified into eleven classes: alkanes,alkenes, alkynes, aromatic hydrocarbons, carboxylic acids, esters, ketones, alcohols, ethers,nitrogen-containing compounds, and sulfur-containing compounds. At all driving conditions,alkane class consistently showed the highest concentration(8.3 to 18.0 μg/m3) followed by carboxylic acid, esters, ketones and alcohols. Twelve polycyclic aromatic hydrocarbons(PAHs)were identified with a total concentration ranging from 37.9 to 174.8 ng/m3. In addition, nine nitrogen-containing polycyclic aromatic compounds(NPACs) were identified with a total concentration ranging from 7.0 to 10.3 ng/m3. The most abundant PAH(phenanthrene)and NPACs(7,8-benzoquinoline and 3-nitrophenanthrene) comprise a similar molecular(3 aromatic-ring) structure under the highest engine speed and engine load. | Jaehyun Lim Cheolsoo Lim Sangkyun Kim Jihyung Hong | 2015 | Journal of Environmental Sciences2015,27,8: | 1 |
| 12 | Ultrasound-Guided vs. Fluoroscopy-Guided Caudal Epidural Steroid Injection for the Treatment of Unilateral Lower Lumbar Radicular Pain: A Prospective, Randomized, Single-Blind Clinical Study显示文摘 | Yongbum Park Ji-Hae Lee Ki Deok Park Jae Ki Ahn Jaehyun Park Haemi Jee | 2013 | American Journal of Physical Medicine & Rehabilitation2013,,: | 1 |
| 13 | Effect of Punica granatum solvent extracts on immune system and disease resistance in Paralichthys olivaceus against lymphocystis disease virus (LDV)显示文摘 | Ramasamy Harikrishnan Jaehyun Heo Chellam Balasundaram Man-Chul Kim Ju-Sang Kim Yong-Jae Han Moon-Soo Heo | 2010 | Fish and Shellfish Immunology2010,,4: | 1 |
| 14 | Microstructure design and mechanical properties of thermal barrier coatings with layered top and bond coats 显示文摘 | Myoung Sangwon Kim Jaehyun Lee Keesung et ol | 2010 | Surface & Coatings Technology2010,205,: | 1 |
| 15 | A CMOS cubic voltage generator for a temperature compensated crystal oscillator (TCXO) 显示文摘 | Jaehyun Lim Insoo Kim Kyunsun Choi | 2008 | IEEE International Frequency Control Symposium2008,,5: | 1 |
| 16 | Design and Implementation of Low-Profile Contactless Battery Charger Using Planar Printed Circuit Board Windings as Energy Transfer Device 显示文摘 | Byungcho C Jaehyun N Honnyong C | 2004 | IEEE Trans Ind Electron2004,51,1: | 1 |
| 17 | Symmetry-controlled colloidal nanocrystals: Nonhydmlytic chemi- cal synthesis and shape determining parameters 显示文摘 | Youngwook Jun JaeHyun Lee Jinsil Choi | 2005 | J Phys C hem B2005,109,14: | 1 |
| 18 | Changes of empathy in medical college and medical school students: 1-year follow up study显示文摘 | Hong Minha Lee Won Hye Park Jaehyun | 2012 | BMC Medical Education2012,,12: | 1 |
| 19 | Design and Implementation of Low-profile Contaetless Battery Charging Using Planar Printed Circuit Board Winding as Energy Transfer Device 显示文摘 | Byungcho Choi Jaehyun Nho Honnyong Cha | 2004 | IEEE Transactions on Industrial Electronics2004,51,1: | 1 |
| 20 | Developing elements of user experience for mobile phones and services: survey, interview, and observation approaches 显示文摘 | Jaehyun Park Sung H Han Hyun K Kim | 2013 | Human Factors and Ergonomics in Manufacturing & Service Indus- tries2013,23,4: | 1 |