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Major Difficult Problems in the Construction of the Three Gorges Project

Wang Jiazhu

Strategic Study of CAE 2003, Volume 5, Issue 8,   Pages 16-22

Abstract: This paper expounds a large number of major technical problems that has been,and will be, solved in theconstruction of the project, and points out that the solution of these problems will be an important

Keywords： TGP     science and technology     difficult problems    

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The Technical Scheme and Key Equipment for Solving the Difficult Technical Problems of Underground Radio

Situ Mengtian

Strategic Study of CAE 2001, Volume 3, Issue 7,   Pages 64-69

Abstract:

Two difficult tedhnical problems in underground radio communications, i.e. weak signal reception andcounter lightning pulses interference are described, and ways to solve these problems are proposed .

Keywords： underground radio communications     weak signal reception     counter lightning interference    

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: Energy field-assisted machining technology has the potential to overcome the limitations of machining difficult-to-machineHowever, the lack of necessary cooling and lubrication in high-speed dry milling makes it difficult tomeet the continuous milling requirements for difficult-to-machine metal materials.In this review, the characteristics and limitations of high-speed dry milling of difficult-to-machinedetail, providing feasible ideas for realizing multi-energy field collaborative green machining of difficult-to-machine

Keywords： difficult-to-machine metal material     green machining     high-speed dry milling     laser energy field-assisted    

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Technical Status, Challenges, and Solutions of Maritime Bridge Engineering

Gao Zongyu, Ruan Huaisheng, Qin Shunquan, Ma Runping, Mei Dapeng

Strategic Study of CAE 2019, Volume 21, Issue 3,   Pages 1-4 doi: 10.15302/J-SSCAE-2019.03.016

Abstract:

According to the future construction demands of deep-water sea-crossing bridge engineering, the research status of structure and design theory is analyzed. It is proposed that technical challenges faced by sea-crossing bridge engineering are mainly four aspects: strong wind wave, strong corrosion, super water depth and super large span. The sea-crossing bridge engineering development attaches great importance to theoretical research on environmental effects and combinations, structural durability, fatigue resistance and life-time design, and focuses on breakthroughs in key technical bottlenecks such as super-long span bridge schemes, ultra-deep water infrastructure forms and rapid construction of new structural forms. It is suggested to establish the national sea-crossing bridge engineering technology research center, strengthen the investment in science and technology hardware, cultivate innovative talents, and improve the science and technology reward mechanism.

Keywords： marine bridge engineering     design theory     structural form     key and difficult problems     technical development    

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Assessing the effects of different dielectrics on environmentally conscious powder-mixed EDM of difficult-to-machine

Jagdeep SINGH,Rajiv Kumar SHARMA

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 374-387 doi: 10.1007/s11465-016-0388-8

Abstract: Electrical discharge machining (EDM) is a well-known nontraditional manufacturing process to machine the difficult-to-machine

Keywords： WC     hazard and operability analysis (HAZOP)     discharging     aerosol concentration     dielectrics     powders    

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A review of intelligent optimization for group scheduling problems in cellular manufacturing

Frontiers of Engineering Management   Pages 406-426 doi: 10.1007/s42524-022-0242-0

Abstract: , and enhance the flexibility of manufacturing, especially cellular manufacturing, group scheduling problemsstudies on GSPs have been published, few integrated reviews have been conducted so far on considered problemsend, this study hopes to shorten the gap by reviewing the development of research and analyzing these problemsLast but not least, outlooks are given for outspread problems and problem algorithms for future research

Keywords： cellular manufacturing     group scheduling     flowshop     literature review    

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Enhanced solution representations for vehicle routing problems with split deliveries

Frontiers of Engineering Management   Pages 483-498 doi: 10.1007/s42524-023-0259-z

Abstract: this study, we investigate a forest-based solution representation for split delivery vehicle routing problems(SDVRPs), which have several practical applications and are among the most difficult vehicle routingproblems.

Keywords： vehicle routing     multidepot     time windows     tabu search     split delivery    

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Overview and problems of BIM implementation in Japan

Takashi KANETA, Shuzo FURUSAKA, Nisi DENG

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 146-155 doi: 10.15302/J-FEM-2017007

Abstract: This paper aims to overview Building Information Modeling (BIM) implementation and problems of BIM implementationThe paper finally discusses the problems in project management to present a strategy to develop a new

Keywords： Building Information Modeling     general contractor     architect     drawing     procurement     project management    

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Key problems and solutions in arch dam heightening

Zuoguang FU, Yunlong HE, Sheng SU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 98-104 doi: 10.1007/s11709-010-0004-7

Abstract: Three problems should be dealt with when an arch dam needs to be heightened: stress state getting worseTaking Geba arch dam as an example, these problems are examined in details through simulation analysis

Keywords： arch dam     heighten     tensile stress     finite element method    

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Environmental Antibiotics and Antibiotic Resistance: From Problems to Solutions

Xin Yu, Virender K. Sharma, Hui Li

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1137-0

Abstract:
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Study on the Nonlinear Characteristics of Cutting Forces in High-speed Face-milling of Difficult-to-cut

Long Zhenhai,Wang Xibin,Wang Haochen

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 28-31

Abstract:

Factorials experiment and velocity single-factor experiment are applied in the dry high-speed milling experiments of Martensitic stainless steel 2Crl3, which is used in aerospace industry. Based on the analysis of cutting regimes, influences on milling force, the spectrum analysis and wavelet analysis are applied on the random cutting force signals. This study shows that in high speed milling of Martensitic stainless process, the interaction of depth of cut and feed per tooth has significant effect on the cutting force; the interaction of feed per tooth and depth of cut introduces a lower frequency periodic signal; this low frequency signal coupled with high frequency signal could remarkably increase the amplitude of cutting force signals.

Keywords： difficult-to-cut materials     high speed machining     factorials design     Meyer wavelet transform     Mallat algorithm    

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Environmental problems of vibrations induced by railway traffic

XIA He, CAO Yanmei, De Roeck Guido, Degrande Geert

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 142-152 doi: 10.1007/s11709-007-0015-1

Abstract: In this paper, a general review is made on the problems of vibrations of the ground and nearby buildings

Keywords： underground     vibration     numerical     subsoil     propagation    

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Management problems in development process of remanufacturing industry

Xu Binshi

Strategic Study of CAE 2012, Volume 14, Issue 12,   Pages 10-14

Abstract: Based on need analysis on trend of development of remanufacturing in China, six key management problems

Keywords： remanufacturing     industry development     management problems    

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Comparative assessment of force, temperature, and wheel wear in sustainable grinding aerospace alloy using biolubricant

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0719-x

Abstract: However, serious tool wear and workpiece damage in difficult-to-machine material grinding challenges

Keywords： grinding     aerospace     difficult-to-machine material     biolubricant     physicochemical property     grindability    

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A review of low-temperature plasma-assisted machining: from mechanism to application

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0734-y

Abstract: , we describe the effects of the low-temperature plasma on different machining processes of various difficult-to-cut

Keywords： low-temperature plasma     difficult-to-cut material     machinability     hydrophilization effect     Rehbinder    

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Title Author Date Type Operation

Major Difficult Problems in the Construction of the Three Gorges Project

Wang Jiazhu

Journal Article

The Technical Scheme and Key Equipment for Solving the Difficult Technical Problems of Underground Radio

Situ Mengtian

Journal Article

Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Journal Article

Technical Status, Challenges, and Solutions of Maritime Bridge Engineering

Gao Zongyu, Ruan Huaisheng, Qin Shunquan, Ma Runping, Mei Dapeng

Journal Article

Assessing the effects of different dielectrics on environmentally conscious powder-mixed EDM of difficult-to-machine

Jagdeep SINGH,Rajiv Kumar SHARMA

Journal Article

A review of intelligent optimization for group scheduling problems in cellular manufacturing

Journal Article

Enhanced solution representations for vehicle routing problems with split deliveries

Journal Article

Overview and problems of BIM implementation in Japan

Takashi KANETA, Shuzo FURUSAKA, Nisi DENG

Journal Article

Key problems and solutions in arch dam heightening

Zuoguang FU, Yunlong HE, Sheng SU

Journal Article

Environmental Antibiotics and Antibiotic Resistance: From Problems to Solutions

Xin Yu, Virender K. Sharma, Hui Li

Journal Article

Study on the Nonlinear Characteristics of Cutting Forces in High-speed Face-milling of Difficult-to-cut

Long Zhenhai,Wang Xibin,Wang Haochen

Journal Article

Environmental problems of vibrations induced by railway traffic

XIA He, CAO Yanmei, De Roeck Guido, Degrande Geert

Journal Article

Management problems in development process of remanufacturing industry

Xu Binshi

Journal Article

Comparative assessment of force, temperature, and wheel wear in sustainable grinding aerospace alloy using biolubricant

Journal Article

A review of low-temperature plasma-assisted machining: from mechanism to application

Journal Article