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Study of the mechanics of progressive collapse of FPB isolated beam-pier substructures

Jingcai ZHANG; Yong DING; Xinchun GUAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 718-728 doi: 10.1007/s11709-022-0815-3

Abstract: Progressive collapse resistance by flexural action of the beam and additional resistance owing to theprovided by horizontal restraining can be reduced as large as 46% and 88% during compressive arching action(CAA) and catenary action (CA), respectively.

Keywords： friction pendulum bearing     progressive collapse     horizontal stiffness     compressive arching action     catenaryaction    

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Review of pantograph and catenary interaction

Weihua ZHANG, Dong ZOU, Mengying TAN, Ning ZHOU, Ruiping LI, Guiming MEI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 311-322 doi: 10.1007/s11465-018-0494-x

Abstract:

The application of electrified railway directly promotes relevant studies on pantograph-catenary interactionWith the increase of train running speed, the operating conditions for pantograph and catenary have becomeThis article specifically focuses on three aspects: The dynamic characteristics of the pantograph and catenarycomponents, the systems’ dynamic properties, and the environmental influences on the pantograph-catenaryThis kind of study can be carried out by simplifying the pantograph-catenary interaction into a moving

Keywords： electrified railway     pantograph and catenary interaction     contact force variation     moving load problem     mechanical    

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View-invariant human action recognition via robust locally adaptive multi-view learning

Jia-geng FENG,Jun XIAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 11,   Pages 917-920 doi: 10.1631/FITEE.1500080

Abstract: Human action recognition is currently one of the most active research areas in computer vision.However, some extrinsic factors are barriers for the development of action recognition; e.g., human actionsThus, view-invariant analysis becomes important for action recognition algorithms, and a number of researchersExperiments on three public view-invariant action recognition datasets, i.e., ViHASi, IXMAS, and WVU,

Keywords： View-invariant     Action recognition     Multi-view learning     L1-norm     Local learning    

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China released the Action Plan on Prevention and Control of Soil Pollution

Fang Zhang,Guanghe Li

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0867-5

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Effect of mineral additives and permeability reducing admixtures having different action mechanisms on

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1277-1291 doi: 10.1007/s11709-021-1752-2

Abstract: In this paper, the effect of usage of the permeability reducing admixture (PRA) having different action

Keywords： cementitious system     mineral additive     permeability reducing admixture     mechanical properties     durability performance    

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Study on the action of resistin-induced human umbilical vein endothelial cell dysfunction

LI Zhizhen, LI Fangping, YAN Li, LI Feng, LI Yan, CHENG Hua, FU Zuzhi

Frontiers of Medicine 2007, Volume 1, Issue 2,   Pages 196-199 doi: 10.1007/s11684-007-0037-z

Abstract: resistin on human umbilical vein endothelial cells (HUVECs), and to explore its role and mechanism of action

Keywords： endothelial     resistin stimulation     Incubation     pathogenesis     dysfunction    

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Emerging contaminant control: From science to action

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-022-1559-y

Abstract: Continuous progress in scientific research of ECs promoted China’s action on EC control.

Keywords： Emerging contaminants     Priority pollutants     PPCPs     POPs     Control policy    

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Action" Plan"> Chinese Academy of Engineering Launched "Academician Action" Plan

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 107-107

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Overview on China’s Policy System of Internet Plus Action Plan

Chen Lei, Wang Baicun, Huang Sihan, Yao Lei, Bian Dacheng, Fan Xin

Strategic Study of CAE 2020, Volume 22, Issue 4,   Pages 131-138 doi: 10.15302/J-SSCAE-2020.04.003

Abstract:

The Internet Plus action plan (IPAP) plays a significant role in promoting

Keywords： Internet Plus action plan     policy system     policy supply     improvement measures    

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Initiation and propagation laws of the glass cracks in specimens subjected to normal loading under the action

WAN Zhen-ping, LIU Ya-jun, TANG Yong, YE Bang-yan

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 194-198 doi: 10.1007/s11465-005-0011-x

Abstract: With more and more applications of glass in advanced fields of science, the demand for glass machining precision has increased greatly. More and more attention is being paid to glass cutting because precise glass parts with various shapes can be obtained at high efficiency and low cost. To improve the machining precision of part surfaces and to facilitate tool design and cutting parameter selection, the initiation and propagation laws of glass cracks in specimens subjected to normal loading by symmetric wedges were investigated. Research results show that initiation and propagation laws are the same with interior symmetric wedge angles of 30o-120o, while the laws are different with interior symmetric wedge angles equal to or more than "e150o. The relationship between medial crack length and normal loading was also investigated when specimens were indented by symmetrical wedges with interior angles of 30o-120o.

Keywords： different     30o-120o     relationship     initiation     cutting parameter    

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Technological lubricating means: Evolution of materials and ideas

Vladimir A. GODLEVSKIY

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 101-107 doi: 10.1007/s11465-016-0369-y

Abstract:

The main stages of technological lubricating material development from ancient times to date are described. How the chemical composition of these products changed with time, how new ideas revealing the physical and chemical basics of external media that influence the mechanical processing of materials appeared, how these ideas explained the differences between traditional tribology and specific technology of metal processing are discussed. The question of the possible realization of Rehbinder’s adsorption effect in contact zone is also stated. The description of a very captivating problem is related to the explanation of the mechanism of lubricant penetration into the contact zone between the material being processed and the tool. The birth and development of the hypothesis of microcapillary penetration of the lubricant into the dynamically changed intersurface clearance that has finally led to formulating the “necessary kinetic condition of the lubricating activity” is relayed.

Keywords： technological lubrication and cooling     metal cutting     grinding     lubrication action     tribology    

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Discovery of cryptolepine derivatives as novel promising agents against phytopathogenic bacteria

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 156-166 doi: 10.1007/s11705-022-2196-5

Abstract: cryptolepine derivatives were synthesised, after which their antibacterial activities and mechanism of action

Keywords： cryptolepine derivatives     phytopathogenic bacteria     antibacterial activity     mechanism of action    

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Comprehensive analysis on China’s National Climate Change Assessment Reports: Action and emphasis

Bing WANG, Ge HONG, Chao-Qun CUI, Hao YU, Tad MURTY

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 52-61 doi: 10.1007/s42524-019-0002-y

Abstract: Climate change assessment is central for low-carbon management practice. This paper investigates China’s National Climate Change Assessment Reports of 2007, 2011, and 2015. These three reports are compared with other climate change assessment reports by data mining. The necessity of national climate change assessment is analyzed with the requirements at home and abroad. The latest progress surrounding climate change impacts, adaptation, and mitigation is outlined with the increasing temperature rise in China and the urgency of climate change commitments. The achievements in climate change assessment indicate the increasing climate change vulnerability on sectors and regions in China and the strategies and priorities for low-carbon actions. Distinct gaps and differences are identified in the coverage of industry, regions, and vulnerability assessment between our assessments and other evaluation reports. These gaps and differences demonstrate the importance and future improvements of China’s national climate change assessment in international climate governance. The outlook for China’s fourth assessment report is proposed.

Keywords： climate change assessment     low-carbon management     impact     adaptation     mitigation    

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Using Text Mining to Evaluate the China Manufacturing Regional Action Plan

Kong Dejing  Dong Fang  Li Zhaofu  Qu Xianming

Strategic Study of CAE 2017, Volume 19, Issue 3,   Pages 149-158 doi: 10.15302/J-SSCAE-2017.03.021

Abstract: style="text-align: justify;">Guidelines for the implementation of the China Manufacturing Regional ActionIn order to comprehensively understand provincial and municipal action plans in China, consistency analysesThe results indicate consistencies and differences in the action guidelines for various provinces and

Keywords： regional action plan     text mining     similarity calculation    

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Discovery for New Herbicide Sites of Action by Quantification of plant Primary Metabolite and Enzyme Perspective

Franck E. Dayan, Stephen O. Duke

Engineering 2020, Volume 6, Issue 5,   Pages 509-514 doi: 10.1016/j.eng.2020.03.004

Abstract:

No herbicide with a new molecular site of action (SOA) has been introduced since the 1980s.

Keywords： Natural products     Biorational discovery     Mode of action     Herbicide    

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Title Author Date Type Operation

Study of the mechanics of progressive collapse of FPB isolated beam-pier substructures

Jingcai ZHANG; Yong DING; Xinchun GUAN

Journal Article

Review of pantograph and catenary interaction

Weihua ZHANG, Dong ZOU, Mengying TAN, Ning ZHOU, Ruiping LI, Guiming MEI

Journal Article

View-invariant human action recognition via robust locally adaptive multi-view learning

Jia-geng FENG,Jun XIAO

Journal Article

China released the Action Plan on Prevention and Control of Soil Pollution

Fang Zhang,Guanghe Li

Journal Article

Effect of mineral additives and permeability reducing admixtures having different action mechanisms on

Journal Article

Study on the action of resistin-induced human umbilical vein endothelial cell dysfunction

LI Zhizhen, LI Fangping, YAN Li, LI Feng, LI Yan, CHENG Hua, FU Zuzhi

Journal Article

Emerging contaminant control: From science to action

Journal Article

Chinese Academy of Engineering Launched "Academician Action" Plan

Journal Article

Overview on China’s Policy System of Internet Plus Action Plan

Chen Lei, Wang Baicun, Huang Sihan, Yao Lei, Bian Dacheng, Fan Xin

Journal Article

Initiation and propagation laws of the glass cracks in specimens subjected to normal loading under the action

WAN Zhen-ping, LIU Ya-jun, TANG Yong, YE Bang-yan

Journal Article

Technological lubricating means: Evolution of materials and ideas

Vladimir A. GODLEVSKIY

Journal Article

Discovery of cryptolepine derivatives as novel promising agents against phytopathogenic bacteria

Journal Article

Comprehensive analysis on China’s National Climate Change Assessment Reports: Action and emphasis

Bing WANG, Ge HONG, Chao-Qun CUI, Hao YU, Tad MURTY

Journal Article

Using Text Mining to Evaluate the China Manufacturing Regional Action Plan

Kong Dejing  Dong Fang  Li Zhaofu  Qu Xianming

Journal Article

Discovery for New Herbicide Sites of Action by Quantification of plant Primary Metabolite and Enzyme

Franck E. Dayan, Stephen O. Duke

Journal Article