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Full-mechanized caving mining technology of extremely thick and hard coal-seam with hard roof in shallow

Zhang Zhongwen,Wu Jinan

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 107-112

Abstract:

Top-coal caving difficulty degree and rational mining method were analyzedby theoretical method on the basis of the 4th coal-seam condition of Pingshuo Mining area.For improving top-coal caving degree, the parameters of full-mechanized caving mining face were obtainedratio would be realized by lengthening mining face and adding mining height in shallow buried hard coal-seam

Keywords： shallow buried depth     hard coal-seam with hard roof     top-coal caving difficulty degree     full-mechanizedcaving mining with large mining-height    

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Longwall Top Coal Caving Method and Its Future in China

Zhao Jingche

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 9-16

Abstract:

This paper gives a brief introduction of the longwall top coal caving (LTCC) method which has hada strong impact on China´s coal mining industry since 1980 s.Great contribution to LTCC has been

Keywords： coal mining     longwall top coal caving     roof control     recovery     coalmine safety    

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Technology of Coal-Rock Mass Hydraulic Fracture Weakeningand Its Development

Huang Bingxiang,Deng Guangzhe,Liu Changyou

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 83-88

Abstract:

Technologic problems of top coal recovery ratio, rock burst, coal spontaneouscombustion and gas accumulation induced by hard top-coal or roof's fall in coal mining were introducedCurrent research and development trend of hydraulic fracture weakening for hard top-coal or roof was

Keywords： hard top-coal(roof)     hydraulic fracture     crack expanding     mescoscopic structure    

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Study on high efficient and clean utilization of coal

Chen Yinying, Wang Shujuan, Chen Changhe, Xu Xuchang

Strategic Study of CAE 2011, Volume 13, Issue 6,   Pages 51-56

Abstract:

The clean coal utilization strategy which is an important part of energyThe main forms and problems of coal utilization in China were analyzed, and an index system for efficientand clean utilization of coal, including clean degree, eco-friendly degree, and low-carbon degree wasBased on the analysis of the structure and quantity of coal consumption in China, the paper gives theBy 2030, coal will still play a dominating role in the strategic layout of energy supply in China.

Keywords： clean coal power generation     clean degree     energy sustainable development comprehensive index     eco-friendlydegree     low-carbon degree    

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Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 143-148 doi: 10.1007/s11465-010-0006-0

Abstract: Selective laser sintering (SLS) of a two-component metal powder layer on the top of multiple sintered

Keywords： laser     sintering     melting     solidification     heat transfer    

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Classification Model and Its Application of Stability of Roadway Driving Along Next Goaf for Fully-mechanized Caving

Zhu Chuanqu,Wang Weijun,Shi Shiliang

Strategic Study of CAE 2006, Volume 8, Issue 3,   Pages 35-38

Abstract:

The stability of roadway driving along next goaf for fully-mechanized caving face is syntheticallyinfluenced by many factors such as intensity of surrounding rock, intensity of coal, mining depth, jointand crack of surrounding rock, mining operation, top coal thickness, width of pillar and roadway sectionfunctions of the factors influencing the stability of roadway driving along next goaf for fully-mechanized cavingsupport design, construction and management of roadway driving along next goaf for fully-mechanized caving

Keywords： roadway driving along next goaf for fully-mechanized caving face     stability of surrounding rock     classification    

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The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 1-4 doi: 10.1007/s11708-023-0869-5

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Analysis of synergy degree and its influencing factors in hydropower EPC project management

Jiwei ZHU, Hua GAO, Jiangrui WANG

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 402-411 doi: 10.1007/s42524-020-0098-0

Abstract: The mechanism and factors that influence the degree of management synergy are analyzed on the basis ofanalysis is utilized to identify the key factors that affect the synergy degree.Results show that the order degree of each subsystem presents a steady upward trend.Specifically, the order degree of the subsystem at the trial operation stage is low, which is the majorrestriction on the further improvement of the synergy degree of EPC project management.

Keywords： hydropower project     EPC mode     synergy degree model     grey relational analysis    

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Analysis of catchment evapotranspiration at different scales using bottom-up and top-down approaches

Xiangyu XU, Dawen YANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 65-77 doi: 10.1007/s11709-010-0002-9

Abstract: ., top-down approach) are used to predict actual evapotranspiration in nine sub-catchments, and the wholeFrom the analysis at different time scales through comparison of the top-down and the bottom-up methods

Keywords： catchment evapotranspiration     distributed hydrological model     water-energy balance model     top-down and bottom-up    

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On the location of the secondary instantaneous poles in two-degree-of-freedom spherical mechanisms

Soheil ZARKANDI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 34-40 doi: 10.1007/s11465-014-0290-1

Abstract: presents a theorem showing analytically that the locus of an unknown secondary instant pole in two-degree-of-freedom

Keywords： spherical mechanisms     instantaneous poles     great circle     angular velocity    

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Stiffness of a 3-degree of freedom translational parallel kinematic machine

S. SHANKAR GANESH,A.B. KOTESWARA RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 233-241 doi: 10.1007/s11465-014-0312-z

Abstract:

In this paper, a typical 3-degree of freedom (3-DOF) translational parallel kinematic machine

Keywords： 3-DOF translational PKM     inverse kinematics     stiffness modeling     translational stiffness    

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A survey of instantaneous poles for a class of two-degree-of-freedom spherical mechanisms

Soheil ZARKANDI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4,   Pages 344-353 doi: 10.1007/s11465-014-0320-z

Abstract:

This paper is a detailed exploration of instantaneous poles for a class of two-degree-of-freedom (

Keywords： spherical mechanisms     instantaneous poles     Aronhold-Kennedy theorem     great circles     pencil of meridian    

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Development of clean energy and environmental technologies to address humanity’s top problems

Geoff G. X. Wang

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 1-2 doi: 10.1007/s11705-011-1145-5

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GENOME EDITING: A GROUND BREAKING RESEARCH HAS BEEN RANKED TOP 10 ENGINEERING FRONTS FROM 2017 TO 2021

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 309-311 doi: 10.15302/J-FASE-2022440

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Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 120-129 doi: 10.1007/s11465-014-0300-3

Abstract:

In this paper, error modeling and analysis of a typical 3-degree of freedom translational Parallel

Keywords： translational Parallel Kinematic Machine     error modeling     global error transformation index    

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Title Author Date Type Operation

Full-mechanized caving mining technology of extremely thick and hard coal-seam with hard roof in shallow

Zhang Zhongwen,Wu Jinan

Journal Article

Longwall Top Coal Caving Method and Its Future in China

Zhao Jingche

Journal Article

Technology of Coal-Rock Mass Hydraulic Fracture Weakeningand Its Development

Huang Bingxiang,Deng Guangzhe,Liu Changyou

Journal Article

Study on high efficient and clean utilization of coal

Chen Yinying, Wang Shujuan, Chen Changhe, Xu Xuchang

Journal Article

Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Journal Article

Classification Model and Its Application of Stability of Roadway Driving Along Next Goaf for Fully-mechanized Caving

Zhu Chuanqu,Wang Weijun,Shi Shiliang

Journal Article

The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

Journal Article

Analysis of synergy degree and its influencing factors in hydropower EPC project management

Jiwei ZHU, Hua GAO, Jiangrui WANG

Journal Article

Analysis of catchment evapotranspiration at different scales using bottom-up and top-down approaches

Xiangyu XU, Dawen YANG,

Journal Article

On the location of the secondary instantaneous poles in two-degree-of-freedom spherical mechanisms

Soheil ZARKANDI

Journal Article

Stiffness of a 3-degree of freedom translational parallel kinematic machine

S. SHANKAR GANESH,A.B. KOTESWARA RAO

Journal Article

A survey of instantaneous poles for a class of two-degree-of-freedom spherical mechanisms

Soheil ZARKANDI

Journal Article

Development of clean energy and environmental technologies to address humanity’s top problems

Geoff G. X. Wang

Journal Article

GENOME EDITING: A GROUND BREAKING RESEARCH HAS BEEN RANKED TOP 10 ENGINEERING FRONTS FROM 2017 TO 2021

Journal Article

Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Journal Article