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6篇 您的检索式:作者名="Minhyuk"
    题名 作者 年代 出处 被引量
1Development of a Hand Exoskeleton System for Quantitative Analysis of Hand Functions显示文摘Jeongsoo Lee Minhyuk Lee Joonbum Bae 2018Journal of Bionic Engineering2018,15,5:2
2Pharmacokinetic and pharmacodynamic characterization of gliclazide in healthy volunteers显示文摘Hosoon Kim Minhyuk Yun Kwang-il Kwon 2003Archives of Pharmacal Research2003,,7:1
3Machine learning identification of symmetrized base states of Rydberg atoms显示文摘Studying the complex quantum dynamics of interacting many-body systems is one of the most challenging areas in modern physics. Here, we use machine learning (ML) models to identify the symmetrized base states of interacting Rydberg atoms of various atom numbers (up to six) and geometric configurations. To obtain the data set for training the ML classifiers, we generate Rydberg excitation probability profiles that simulate experimental data by utilizing Lindblad equations that incorporate laser intensities and phase noise. Then, we classify the data sets using support vector machines (SVMs) and random forest classifiers (RFCs). With these ML models, we achieve high accuracy of up to 100% for data sets containing only a few hundred samples, especially for the closed atom configurations such as the pentagonal (five atoms) and hexagonal (six atoms) systems. The results demonstrate that computationally cost-effective ML models can be used in the identification of Rydberg atom configurations.Daryl Ryan Chong Minhyuk Kim Jaewook Ahn Heejeong Jeong 2022Frontiers of physics2022,17,1:1
4Erratum to: Machine learning identification of symmetrized base states of Rydberg atoms显示文摘ERRATUM TO:Front.Phys.17(1),12504(2022),https://doi.org/10.1007/s11467-021-1099-0.The online version of the original article can be found at https://doi.org/10.1007/s11467-021-1099-0 and http://journal.hep.com.cn/fop/EN/10.1007/s11467-021-1099-0.The x-axis of Fig.3(b)should be labelled'Observation duration'instead of'Total evolution time'as shown be-low.Daryl Ryan Chong Minhyuk Kim Jaewook Ahn Heejeong Jeong 2022Frontiers of physics2022,17,1:0
5Ultra‑Efficient and Cost‑Effective Platinum Nanomembrane Electrocatalyst for Sustainable Hydrogen Production显示文摘Hydrogen production through hydrogen evolution reaction(HER)offers a promising solution to combat climate change by replacing fossil fuels with clean energy sources.However,the widespread adoption of efficient electrocatalysts,such as platinum(Pt),has been hindered by their high cost.In this study,we developed an easy-to-implement method to create ultrathin Pt nanomembranes,which catalyze HER at a cost significantly lower than commercial Pt/C and comparable to non-noble metal electrocatalysts.These Pt nanomembranes consist of highly distorted Pt nanocrystals and exhibit a heterogeneous elastic strain field,a characteristic rarely seen in conventional crystals.This unique feature results in significantly higher electrocatalytic efficiency than various forms of Pt electrocatalysts,including Pt/C,Pt foils,and numerous Pt singleatom or single-cluster catalysts.Our research offers a promising approach to develop highly efficient and cost-effective low-dimensional electrocatalysts for sustainable hydrogen production,potentially addressing the challenges posed by the climate crisis.Xiang Gao Shicheng Dai Yun Teng Qing Wang Zhibo Zhang Ziyin Yang Minhyuk Park Hang Wang Zhe Jia Yunjiang Wang Yong Yang 2024Nano-Micro Letters2024,16,6:0
6Synthesis of Cobalt Containing Block Copolymers Via Ring Opening Metathesis Polymerizastion (ROMP)显示文摘In order to realize a metal containing nano-structure, a block-copolymer containing alkynyl groups in one block was designed and synthesized by living ring opening metathesis polymerization (ROMP) technique. The newly developed bis-3-bromopyridine complex of Grubbs catalyst was employed in the series of polymerization and it yielded the desired polymers with great molecular weight control and narrow polydispersities. The characteristics of the block copolymers were investigated by gel permeation chromatography, H- and 13H- NMR spectroscopy. Complexation of the alkynyl group containing block copolymers by treatment with dicobalt octacarbonyl occurred smoothly in 5 min at room temperature. GPC analysis before and after cobalt complexation indicated a significant increase of the hydrodynamic volume. AFM images of the films before and after the complexation also showed a noticeable change in its morphology where grain sizes become smaller and more regular upon complexation.Bongjin Moon Minhyuk Kang 2004Journal of Rare Earths2004,22,z2:0
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