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How does the improved DB mode degrade the complex integrity of infrastructure mega-projects?

Jinwen ZHANG, Yumin QIU

Frontiers of Engineering Management 2018, Volume 5, Issue 1,   Pages 40-51 doi: 10.15302/J-FEM-2018083

Abstract: island-tunnel subproject of the Hong Kong-Zhuhai-Macao Bridge (HZMB) project and proposes an improved design-build(DB) mode in which the owner provides a preliminary design and has the right to form and manage consortiumThis improved DB mode creatively degrades the special complexities that arise from multiple dimensions

Keywords： Bridge project     island-tunnel subproject     complex integrity     complexity degradation     the general contracting modeof design-build     the design-build consortium    

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Countermeasures of Policy and Suggestion to Build the Energy Stratagem of China Rural Sustainable Development

Deng Keyun,He Liang

Strategic Study of CAE 2000, Volume 2, Issue 8,   Pages 43-54

Abstract: are put forward by stages according to the condition of market economic system reform The successful mode

Keywords： rural enery     technology     policy     integrated construction mode    

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INTERCROPPING: FEED MORE PEOPLE AND BUILD MORE SUSTAINABLE AGROECOSYSTEMS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 373-386 doi: 10.15302/J-FASE -2021398

Abstract:

Intercropping is a traditional farming system that increases crop diversity to strengthen agroecosystem functions while decreasing chemical inputs and minimizing negative environmental effects of crop production. Intercropping is currently considerable interest because of its importance in sustainable agriculture. Here, we synthesize the factors that make intercropping a sustainable means of food production by integrating biodiversity of natural ecosystems and crop diversity. In addition to well-known yield increases, intercropping can also increase yield stability over the long term and increase systemic resistance to plant diseases, pests and other unfavorable factors (e.g. nutrient deficiencies). The efficient use of resources can save mineral fertilizer inputs, reduce environmental pollution risks and greenhouse gas emissions caused by agriculture, thus mitigating global climate change. Intercropping potentially increases above- and below-ground biodiversity of various taxa at field scale, consequently it enhances ecosystem services. Complementarity and selection effects allow a better understanding the mechanisms behind enhanced ecosystem functioning. The development of mechanization is essential for large-scale application of intercropping. Agroecosystem multifunctionality and soil health should be priority topics in future research on intercropping.

 

Keywords： agroecosystems ， crop diversity ，intercropping，interspecific interactions，sustainable agriculture    

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Utilizing big data to build personalized technology and system of diagnosis and treatment in traditional

Baoyan Liu

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 272-278 doi: 10.1007/s11684-014-0364-9

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Build a Bridge between Science and Economy

Hans-Jurgen Warnecke

Strategic Study of CAE 2000, Volume 2, Issue 10,   Pages 16-17

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Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 129-141 doi: 10.1007/s11709-007-0014-2

Abstract: The assumption and problem of the mode-superposition response spectrum method in seismic design codeis discussed based on a brief review of the development of the seismic design method for building structuresThe progresses on the mode superposition response spectrum theory are discussed.This includes: 1) the complex mode superposition method (in real form) for the non-classically dampedassumptions as in deducing the complete quadratic combination (CQC) method which is popularly used in seismic design

Keywords： generalization     classical damping     mode-superposition response     calculation formula     damping theory    

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Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Frontiers of Structural and Civil Engineering   Pages 1428-1441 doi: 10.1007/s11709-023-0998-2

Abstract: object, and its natural vibration characteristics and dynamic response were first analyzed using the modeFinally, the rationality of the original intake tower antiseismic design scheme was evaluated according

Keywords： intake tower     NSGA-II     mode decomposition response spectrum method     anti-seismic engineering measures     optimization design     variable project cost    

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The build up of teams of professionals is the most urgent task for engineering management in China

Zhang Shourong

Strategic Study of CAE 2008, Volume 10, Issue 12,   Pages 36-38

Abstract: After reviewing the current situation of engineering management in China, the author realized that the buildprofessionals is the most urgent task for engineering management in China, and specific suggestions for build

Keywords： engineering management     build up of teams of professionals     up grading    

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Extension Controller Design via Sliding Mode Control

Chen Jenyang,Wong Chingchang

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 48-51

Abstract:

In this paper, a novel extension controller based on the scheme of sliding mode control is investigatedOne part is the equivalent control of sliding mode control.By integrating the essential concept of extension set theory with the sliding mode control , the robust

Keywords： extension set     extension control     sliding mode control     system stability    

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Study into the knowledge in design science — Some important issues should be considered in mode transformation

Xie Youbai

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 14-22

Abstract: efforts in making the knowledge more complete via competition,  i.e. the knowledge evolution in designThe relations between innovation and design and the knowledge essentiality of innovation and design areThe study reveals that design is based on existed knowledge and centered on new knowledge acquirementThe study also gives the incompleteness and competitiveness of knowledge in design.Since innovation has been identified as a basic driving force of the mode transformation of economic

Keywords： design     design science     knowledge     knowledge acquirement     knowledge flow    

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Build orientation determination of multi-feature mechanical parts in selective laser melting via multi-objective

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0737-8

Abstract: The build orientation is crucial in AM because it affects the as-built part, including its part accuracy, surface roughness, support structure, and build time and cost.The surface features carry the production and design knowledge, which can be utilized in SLM fabricationThis study proposes a method to determine the build orientation of multi-feature mechanical parts (MFMPsthe estimation models of involved optimization objectives are established, and a set of alternative build

Keywords： selective laser melting (SLM)     build orientation determination     multi-feature mechanical part (MFMP)    

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Gather Famous Teachers to Build a High-Speed Way

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Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 108-109

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Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0715-1

Abstract: A new design method of stepped bending vibration horn based on Timoshenko’s theory is first proposed,and its design process is greatly simplified.working principle of piezoelectric transducers on the ultrasonic vibrator using the fifth resonant modeof tungsten heavy alloy hemispherical workpiece with the UEVC system, which validates the proposed design

Keywords： tungsten heavy alloy     ultrasonic elliptical vibration cutting     Timoshenko’s theory     resonant mode of    

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Looking Back and Prospecting to the Project Design ofthe Spaceflight Launching Site in China

Zhang Zeming

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 1-5

Abstract:

This paper introduces the development history of the project design ofspaceflight launching site in China and the main forms used in the design, and points out that thereshouldn't exist only one fixed mode for the spacecraft launch.China should, according to its national condition, design and build the launching project facility and

Keywords： launching site     project design     development history     integrated mode    

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Title Author Date Type Operation

How does the improved DB mode degrade the complex integrity of infrastructure mega-projects?

Jinwen ZHANG, Yumin QIU

Journal Article

Countermeasures of Policy and Suggestion to Build the Energy Stratagem of China Rural Sustainable Development

Deng Keyun,He Liang

Journal Article

INTERCROPPING: FEED MORE PEOPLE AND BUILD MORE SUSTAINABLE AGROECOSYSTEMS

Journal Article

Utilizing big data to build personalized technology and system of diagnosis and treatment in traditional

Baoyan Liu

Journal Article

Build a Bridge between Science and Economy

Hans-Jurgen Warnecke

Journal Article

Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Journal Article

Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Journal Article

The build up of teams of professionals is the most urgent task for engineering management in China

Zhang Shourong

Journal Article

Extension Controller Design via Sliding Mode Control

Chen Jenyang,Wong Chingchang

Journal Article

Study into the knowledge in design science — Some important issues should be considered in mode transformation

Xie Youbai

Journal Article

Build orientation determination of multi-feature mechanical parts in selective laser melting via multi-objective

Journal Article

Gather Famous Teachers to Build a High-Speed Way

null

Journal Article

Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Journal Article

Looking Back and Prospecting to the Project Design ofthe Spaceflight Launching Site in China

Zhang Zeming

Journal Article

Wang Kun: Practice High-Quality Development Mode and Build a New Era Automobile Power (2020-7-30)

10 Jun 2022

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