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Soil seismic analysis for 2D oblique incident waves using exact free-field responses by frequency-based finite/infinite element method

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1530-1551 doi: 10.1007/s11709-022-0900-7

Abstract: The seismic analysis of a viscoelastic half-space under two-dimensional (2D) oblique incident waves is

Keywords： oblique incident waves     critical angle     half-space     finite/infinite element approach     seismic response    

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Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 194-202 doi: 10.1007/s11709-015-0292-z

Abstract: Considering the interactions between an embedded foundation and saturated soil, the torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic medium are analyzed in this paper. Both a rigid foundation and an elastic foundation are considered. Assuming both the side surface and the bottom surface of the foundation are perfectly bonded to soil, the reaction torques that the side soil and bottom soil acting on the foundation can be gained from basic dynamic equations of the poroelastic medium. According to the dynamic equilibrium equations of a foundation under harmonic torque, the torsional vibrations of an embedded cylindrical foundation are presented. Besides, the angular amplitude of the foundation, the equivalent stiffness and damping coefficients of the soil are expressed explicitly. Selected examples are presented to investigate the influence of relevant parameters on the torsional vibrations.

Keywords： embedded foundation     saturated soil     rigid foundation     elastic foundation     torsional vibration    

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What should be done for the “second half” of China’s urbanization?

Chunfei WU, Xiaojiang LI, Pengfei LI

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 276-277 doi: 10.15302/J-FEM-2017106

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Estimation of photolysis half-lives of dyes in a continuous-flow system with the aid of quantitative

Davoud BEIKNEJAD,Mohammad Javad CHAICHI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 683-692 doi: 10.1007/s11783-014-0680-y

Abstract: In this paper the photolysis half-lives of the model dyes in water solutions and under ultraviolet (UVmultiple linear regression (MLR) and partial least squares (PLS) for the prediction of the photolysis half-lifeThe QSPR results obtained with these models show that in MLR-derived model, photolysis half-lives of

Keywords： dye     photolysis half-life     quantitative structure-property relationship     continuous-flow     stepwise multiple    

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Hybrid full-/half-duplex cellular networks: user admission and power control None

Lu CHEN, Ding-zhu WEN, Cai-jun ZHONG, Guan-ding YU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3,   Pages 379-387 doi: 10.1631/FITEE.1700027

Abstract: We consider a single-cell network with a hybrid full-/half-duplex base station.

Keywords： Full-duplex     Half-duplex     User admission     Power control    

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descriptors into quantitative structure-property relationship models for prediction of the photolysis half-life

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 505-511 doi: 10.1007/s11783-011-0318-2

Abstract: Quantitative structure-property relationship (QSPR) models were developed for prediction of photolysis half-life

Keywords： photolysis     polychlorinated biphenyls (PCBs)     quantitative structure-property relationships (QSPRs)     quantum chemical descriptors    

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The “Tiangong” Chinese Space Station project

Yang HONG

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 278-283 doi: 10.15302/J-FEM-2018202

Keywords： manned space station     space station project     basic design    

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Application and development of modern long-span space structures in China

Shilin DONG, Yang ZHAO, Dong XING

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 224-239 doi: 10.1007/s11709-012-0166-6

Abstract: Modern long-span space structures, developed during the 1970s and 1980s, are light and effective structuresFor the premodern space structures widely used since the mid-twentieth century (such as thin shells,space trusses, lattice shells and ordinary cable structures), new space structures have been developedstructures, including composite space trusses, open-web grid structures, polyhedron space frame structuresstructures, modern flexible space structures and modern rigid-flexible combined space structures.

Keywords： modern long-span space structures     rigid space structures     flexible space structures     rigid-flexible combinedspace structures     application and development    

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Coordinated Development of Space Science, Space Technology, and Space Application in China

Zhou Jianping, Wu Ji

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 59-66 doi: 10.15302/J-SSCAE-2023.02.007

Abstract: historical reasons and investment restrictions, China’s aerospace industry initially focused on spacetechnology and application, with insufficient emphasis on space science; therefore, space science The development of space technology should be deeply integrated into space science and applicationThis study explores the implications of space science, space technology, and space application andworldwide and reviews the development situation of space-related fields in China.

Keywords： aerospace industry     space science     space technology     space application     coordinated development     sharingof space data    

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Exploration and research of space physics and space weather

Wang Chi

Strategic Study of CAE 2008, Volume 10, Issue 6,   Pages 41-45

Abstract:

Space physics is a fast-growing cross-discipline science with the advanceSpace environment is becoming more and more important as the fourth living environment for human beingStarting from the early 1990s, space weather is born by applying the fundamentals of space physics toon our high-tech systems on the earth and in space.physics and space weather exploration and study, and introduces the suggested space physics and space

Keywords： space physics     space weather     space physics exploration     strategic plan    

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A novel ternary half adder and multiplier based on carbon nanotube field effect transistors Article

Sepehr TABRIZCHI,Nooshin AZIMI,Keivan NAVI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 3,   Pages 423-433 doi: 10.1631/FITEE.1500366

Abstract: In this paper, we design a new half adder and a new multiplier by nanotechnology using a ternary logic

Keywords： CNTFET-based design     Ternary     Half adder     Multiplier     Multiple-valued logic (MVL)    

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Research Status and Future Development of Deep Space Security

Wu Ke, Zhang Zhe, Yang Wenfei, He Jianfeng, Zhang Tianzhu, Jian Kangkang, Wu Weiren

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 240-248 doi: 10.15302/J-SSCAE-2022.04.023

Abstract: of four key deep space security issues: space radiation threat, planetary protection, space heritage, deep-space activities, and deep-space environmental threats.Deep-space security focuses on the four key issues, namely space radiation, planetary protection, spacespan>): (1) Deep-space resources include deep-space assets such as deep-space probes, Earth–moonthreat to the space activities of astronauts and the safe operation of space equipment in deep-space

Keywords： deep space security     space radiation threat     planetary protection     space heritage protection     space legislation    

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Promoting Si-graphite composite anodes with SWCNT additives for half and NCM811 full lithium ion batteries

Jingning SHAN, Xiaofang YANG, Chao YAN, Yiguang JU, Lin CHEN, Fang ZHAO

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 626-635 doi: 10.1007/s11708-019-0650-y

Abstract: nanotube (SWCNT) additives were formulated into µm-Si-graphite composite electrodes and tested in both halfC during the first charge-discharge cycle, and 91% capacity retention after 50 cycles (0.5 C) in a halfnickel-NCM811 cathodes and µm-Si-graphite composite anodes were evaluated for the consistence between half

Keywords： lithium-ion battery     Si anode     Si-graphite composite     single wall carbon nanotube (SWCNT)     NCM811    

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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: In this paper, a half-plane time-domain boundary element method is applied to obtain the seismic ground

Keywords： box-lined tunnel     half-plane BEM     surface response     SH-wave     time-domain    

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Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Frontiers of Chemical Science and Engineering   Pages 1623-1631 doi: 10.1007/s11705-022-2202-y

Abstract: Here, we report a simple but efficient strategy for dispersing active components by using a confined spaceSuch a confined space does not exist in the conventional support, calcined SBA-15, which does not containThe Cu and Zn precursors were introduced to the confined space in the AS and were converted to CuO andConfined space in the AS and the strong interactions caused by the abundant hydroxyl groups are responsible

Keywords： bimetallic adsorbents     confined space     mesoporous silica     propene/propane separation    

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Title Author Date Type Operation

Soil seismic analysis for 2D oblique incident waves using exact free-field responses by frequency-based finite/infinite element method

Journal Article

Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Journal Article

What should be done for the “second half” of China’s urbanization?

Chunfei WU, Xiaojiang LI, Pengfei LI

Journal Article

Estimation of photolysis half-lives of dyes in a continuous-flow system with the aid of quantitative

Davoud BEIKNEJAD,Mohammad Javad CHAICHI

Journal Article

Hybrid full-/half-duplex cellular networks: user admission and power control

Lu CHEN, Ding-zhu WEN, Cai-jun ZHONG, Guan-ding YU

Journal Article

descriptors into quantitative structure-property relationship models for prediction of the photolysis half-life

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Journal Article

The “Tiangong” Chinese Space Station project

Yang HONG

Journal Article

Application and development of modern long-span space structures in China

Shilin DONG, Yang ZHAO, Dong XING

Journal Article

Coordinated Development of Space Science, Space Technology, and Space Application in China

Zhou Jianping, Wu Ji

Journal Article

Exploration and research of space physics and space weather

Wang Chi

Journal Article

A novel ternary half adder and multiplier based on carbon nanotube field effect transistors

Sepehr TABRIZCHI,Nooshin AZIMI,Keivan NAVI

Journal Article

Research Status and Future Development of Deep Space Security

Wu Ke, Zhang Zhe, Yang Wenfei, He Jianfeng, Zhang Tianzhu, Jian Kangkang, Wu Weiren

Journal Article

Promoting Si-graphite composite anodes with SWCNT additives for half and NCM811 full lithium ion batteries

Jingning SHAN, Xiaofang YANG, Chao YAN, Yiguang JU, Lin CHEN, Fang ZHAO

Journal Article

On subsurface box-shaped lined tunnel under incident SH-wave propagation

Journal Article

Fabrication of bimetallic Cu–Zn adsorbents with high dispersion by using confined space for gas adsorptive

Journal Article