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RISS 인기검색어
- 검색키워드
- 저자 : Yanlei Liu (검색결과 5 건)
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The Influence of Collision Energy on the Reaction H+HS→H<sub>2</sub>+S
Liu, Yanlei,Zhai, Hongsheng,Zhu, Zunlue,Liu, Yufang Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.11
Quasi-classical trajectory calculations have been carried out for the reaction H+HS by using the newest triplet 3A" potential energy surface (PES). The effects of the collision energy and reagent initial rotational excitation are studied. The cross sections and thermal rate constants for the title reaction are calculated. The results indicate that the integral cross sections (ICSs) are sensitive to the collision energy and almost independent to the initial rotational states. The ro-vibrational distributions for the product $H_2$ at different collision energies are presented. The investigations on the vector correlations are also performed. It is found that the collision energies play a postive role on the forward scatter of the product molecules. There is a negative influence on both the alignment and orientation of the product angular momentum for low collision energy at low energy region. Whereas the influence of collision energy is not obvious at high energy region.
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The Influence of Collision Energy on the Reaction H+HS→H2+S
Yanlei Liu,Hongsheng Zhai,Zunlue Zhu,Yufang Liu 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.11
Quasi-classical trajectory calculations have been carried out for the reaction H+HS by using the newest triplet 3A" potential energy surface (PES). The effects of the collision energy and reagent initial rotational excitation are studied. The cross sections and thermal rate constants for the title reaction are calculated. The results indicate that the integral cross sections (ICSs) are sensitive to the collision energy and almost independent to the initial rotational states. The ro-vibrational distributions for the product H2 at different collision energies are presented. The investigations on the vector correlations are also performed. It is found that the collision energies play a postive role on the forward scatter of the product molecules. There is a negative influence on both the alignment and orientation of the product angular momentum for low collision energy at low energy region. Whereas the influence of collision energy is not obvious at high energy region.
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Improved Performances of AlN/Polyimide Hybrid Film and its Application in Redistribution Layer
Zhe Liu,Guifu Ding,Jiangbo Luo,Wen Lu,Xiaolin Zhao,Ping Cheng,Yanlei Wang 대한금속·재료학회 2016 ELECTRONIC MATERIALS LETTERS Vol.12 No.5
The AlN/polyimide (PI) hybrid film was studied as thedielectric layer in the redistribution layer (RDL) in this work. The incorporation of the AlN into the PI matrix was achievedby mechanical ball-milling process. The spin-coating processwas used to fabricate the AlN/PI hybrid film, which iscompatible with micro-electro-mechanical system (MEMS)technology for fabricating RDL. The AlN/PI hybrid film wascharacterized by Fourier transform infrared (FTIR) spectrumand thermogravimetric analysis (TGA). The effect of the AlNcontent on the thermal stability, thermal expansion coefficient,hardness and water adsorption of the AlN/PI hybrid film wasstudied. The results indicated that the addition of AlN nanoparticlesimproved the thermal stability and hardness, butdecreased the thermal expansion coefficient and waterabsorption of the pure PI film. As an example of its typicalapplication, the AlN/PI hybrid film with 8 wt.% AlN waspatterned using micromachining technology and used as thedielectric layer in RDL successfully.
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On Bipartite Consensus of Bounded Confidence Models for Opinion Dynamics
Guang He,Jing Liu,Yanlei Wu,Jian-an Fang 제어·로봇·시스템학회 2020 International Journal of Control, Automation, and Vol.18 No.2
In this paper, the bipartite consensus problem is investigated for bounded confidence (BC) models. Different from the existing results oncerning clustering characteristic of BC models, we investigate under which circumstances BC models can achieve bipartite consensus. About the classic BC model, we obtain a sufficient and necessary condition for bipartite consensus problem. For the signed BC model, several bipartite consensus criteria are obtained. The obtained criteria reveal that the dynamic of the signed BC model more dependents on the initial opinions. Finally, several examples are provided to illustrate the effectiveness of the obtained results.
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Shear Behavior of Marlstone Containing Parallel Fissure under Normal Unloading
Zhiming Yin,Xinrong Liu,Zhongping Yang,Yanlei Wang 대한토목학회 2021 KSCE Journal of Civil Engineering Vol.25 No.4
Shear tests under normal unloading were carried out to further study the shear mechanical behavior of marlstone containing parallel fissures. The results reveal that the failure on the rock bridge is tensile failure except for the limited extrusion failure at the tip of the prefabricated fissure. The failure on both sides is generally tensile-shear mixed failure, in which the tensile failure is mainly concentrated in the middle of both sides. In general, it can be summarized as a tensile-shear failure mode of STS-T-STS (S means shear failure, T means tension failure). The failure normal stress of the specimens gradually increases and then decreases with the increase of the fissure inclination, increases with an increase in the initial normal/shear stress, and decreases with the increase of the unloading rate. Strong dilation occurred in the shear process of the specimens, which shows obvious arch effect. The variation law of dilatancy deformation and horizontal deformation in the stage of normal stress unloading is just opposite to that of the failure normal stress. The increasing effect of high shear stress on shear deformation is greater than that of dilatancy deformation, while the inhibiting effect of high normal stress on dilatancy deformation is greater than that of the shear deformation.
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