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Structural design and construction of catway for the Fourth Nanjing Yangtze River Bridge

Luan Changhua, Shen Bin

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 48-53

Abstract: River Bridge is a two-tower, three-span suspension bridge with the main span of 1 418 m, where in the catwayno vibration suppression mechanism for construction of the superstructure is a three-span continuous catwayStructural design, erection, adjustment and demolition of the catway are systematically described indetail in this paper, which could provide great reference for catway structural design and construction

Keywords: the Fourth Nanjing Yangtze River Bridge     catway structural design     catway erection     catway adjustment     catway demolition    

Impact of energy structure adjustment on air quality: a case study in Beijing, China

Bin ZHAO, Jiayu XU, Jiming HAO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 378-390 doi: 10.1007/s11783-011-0357-8

Abstract: Energy consumption is a major cause of air pollution in Beijing, and the adjustment of the energy structureIn this paper, we explored the future trend of energy structure adjustment in Beijing till 2020, designedBy implementing this systematic energy structure adjustment, the emissions of PM , PM , SO , NO , and2020 resemble each other, indicating that the potential of air quality improvement due to structure adjustmentExcept for energy structure adjustment, it is necessary to take further measures to ensure the attainment

Keywords: Beijing     energy structure adjustment     air quality     Community Multiscale Air Quality Model (CMAQ)     scenario    

Optimization of aero-engine pipeline for avoiding vibration based on length adjustment of straight-line

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 11-11 doi: 10.1007/s11465-021-0667-x

Abstract: In the design and troubleshooting of aero-engine pipeline, the vibration reduction of the pipeline system is often achieved by adjusting the hoop layout, provided that the shape of pipeline remains unchanged. However, in reality, the pipeline system with the best antivibration performance may be obtained only by adjusting the pipeline shape. In this paper, a typical spatial pipeline is taken as the research object, the length of straight-line segment is taken as the design variable, and an innovative optimization method of avoiding vibration of aero-engine pipeline is proposed. The relationship between straight-line segment length and parameters that determine the geometric characteristics of the pipeline, such as the position of key reference points, bending angle, and hoop position, are derived in detail. Based on this, the parametric finite element model of the pipeline system is established. Taking the maximum first-order natural frequency of pipeline as the optimization objective and introducing process constraints and vibration avoidance constraints, the optimization model of the pipeline system is established. The genetic algorithm and the golden section algorithm are selected to solve the optimization model, and the relevant solution procedure is described in detail. Finally, two kinds of pipelines with different total lengths are selected to carry out a case study. Based on the analysis of the influence of straight-line segment length on the vibration characteristics of the pipeline system, the optimization methods developed in this paper are demonstrated. Results show that the developed optimization method can obtain the optimal single value or interval of the straight-line segment length while avoiding the excitation frequency. In addition, the optimization efficiency of the golden section algorithm is remarkably higher than that of the genetic algorithm for length optimization of a single straight-line segment.

Keywords: length adjustment     spatial pipeline     aero-engine     vibration avoidance optimization     genetic algorithm    

Reform of the System and Policy Adjustment on Chinese Manufacturing Industry

The Research Group for Reform of the System and Policy Adjustment on Chinese Manufacturing Industry

Strategic Study of CAE 2015, Volume 17, Issue 7,   Pages 37-40

Abstract: powerful manufacturing industry, so it is urgent to conduct the system and mechanism reform and policy adjustment

Keywords: development of manufacturing industry     international experience     reform of the system     policy adjustment    

Industrial Structure Adjustment of Shaanxi Province under the Limited Water Resources Condition

Xiao-jun Liu,Zhen-yu Guo,Chao Ding,Han-liang Fu

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 378-384 doi: 10.15302/J-FEM-2014057

Abstract: condition, indicates the direction of the industrial transformation and water consumption structural adjustment

Keywords: water resources     capacity of water resources     industrial transformation     multi-objective programming    

Strategic Study on Agricultural Structure Adjustment in China in the New Era

Qiyou Luo, Yang Liu, Huajun Tang, Zhenya Zhou, Fei You, Mingjie Gao

Strategic Study of CAE 2018, Volume 20, Issue 5,   Pages 31-38 doi: 10.15302/J-SSCAE-2018.05.005

Abstract: Furthermore, we elaborate the strategic conception of China’s agricultural structural adjustmentin the new era, and put forward adjustment and optimization plans for planting structure, animal husbandry

Keywords: structure adjustment     planting structure     animal husbandry structure     regional layout    

Research on overall encryption adjustment technology of offshore oil field

Zhang Fengjiu,Luo Xianbo,Liu Yingxian,Zhao Chunming

Strategic Study of CAE 2011, Volume 13, Issue 5,   Pages 34-40

Abstract: for development of offshore fields of heavy oil in China, we put forward the study of comprehensive adjustmentThe research technology of comprehensive adjustment for integral well pattern thickening faces many technical, and the proposal of comprehensive adjustment for integral well pattern thickening in SZ36-1 oilfieldto 91.3 % after adjustment for producing degree of water flooding, forecasting greatly improved recoveryThe technique of adjustment for integral well pattern thickening is sure to be popularized and applied

Keywords: heavy oil     overall encryption     well pattern adjustment     water flooding     simulation    

Supply-Demand Forecast and Structure Adjustment Paths of Planting and Breeding Industries Based on Changes

Shangguan Caixia, Lu Yan, Jing Li, Du Tao, Sun Jianjun, Zhang Xinyou

Strategic Study of CAE 2023, Volume 25, Issue 4,   Pages 128-136 doi: 10.15302/J-SSCAE-2023.04.004

Abstract:

Conducting supply-demand prediction and structural adjustment of plantingTargeted adjustment directions are proposed, including expanding the planting of protein feed crops,&

Keywords: consumption     supply and demand forecast of planting and breeding industry     planting and breeding structure adjustment    

Joint compressed sensing imaging and phase adjustment via an iterative method for multistatic passive None

Jue WANG, Jun WANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 4,   Pages 557-568 doi: 10.1631/FITEE.1601423

Abstract: The resolution of the multistatic passive radar imaging system (MPRIS) is poor due to the narrow bandwidth of the signal transmitted by illuminators of opportunity. Moreover, the inaccuracies caused by the inaccurate tracking system or the error position measurement of illuminators or receivers can deteriorate the quality of an image. To improve the performance of an MPRIS, an imaging method based on the tomographic imaging principle is presented. Then the compressed sensing technique is extended to the MPRIS to realize high-resolution imaging. Furthermore, a phase correction technique is developed for compen-sating for phase errors in an MPRIS. Phase errors can be estimated by iteratively solving an equation that is derived by minimizing the mean recovery error of the reconstructed image based on the principle of fixed-point iteration technique. The technique is nonparametric and can be used to estimate phase errors of any form. The effectiveness and convergence of the technique are confirmed by numerical simulations.

Keywords: Multistatic passive radar     Compressed sensing     Phase adjustment     Fixed-point iteration technique    

Construction of Near-Zero-Carbon Manufacturing System under the Carbon Border Adjustment Mechanism

Cheng Runting , Zhang Yongjun , Li Licheng , Ding Maosheng , Lin Jingchun , Zhang Chunfeng , Han Yongxia

Strategic Study of CAE doi: 10.15302/J-SSCAE-2023.07.037

Abstract: This study focuses on the impact of the EU Carbon Border Adjustment Mechanism on China’s manufacturing

Keywords: European Union emissions trading system     Carbon Border Adjustment Mechanism     zero-carbon transformation    

Research on Battery-aware Dynamic Voltage Scaling Policy

Xu Shen,Hu Chen

Strategic Study of CAE 2008, Volume 10, Issue 2,   Pages 79-85

Abstract: T o deal with the shortcoming of the existing battery-aware DVS policy, the idle time distribution adjustment

Keywords: battery optimization     dynamic voltage scaling     adjustment of idle time distribution    

Discussion on urban rail transit’s joint and development

Yan Ping

Strategic Study of CAE 2009, Volume 11, Issue 1,   Pages 92-96

Abstract:

Urban rail transit construction in our country is now stepping into a quickly developing period. Based upon urban rail transit planning of Beijing, this article analyzes questions existing in urban rail transit planning, construction and management. Using international metropolis's urban rail transit planning, construction and management experience for reference, the article brings forward optimized countermeasures on building synthesized harmonizing mechanism, perfecting urban rail transit planning and creating synthesized communication hinges, as well as giving concrete suggestions on urban rail transit's transfer and joint by utilizing state railway resources.

Keywords: urban rail transit     joint and development     adjustment suggestions    

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 711-725 doi: 10.1007/s11465-021-0647-1

Abstract: As the key component of the variable stiffness module, a stiffness adjustment mechanism with a symmetrical

Keywords: variable stiffness actuator     variable stiffness module     drive module     symmetrical structure     double-deck grooves     expandable electrical system    

The Structure of Steel Industry and the Mode of Steel Plants

Yin Ruiyu

Strategic Study of CAE 2001, Volume 3, Issue 6,   Pages 24-32

Abstract:

The development of steel industry and the present situation of restructuring of Chinese steel enterprises are reviewed in this paper . The analysis and integration of steel manufacturing process and the direction of technological progress are described. The production processes for different steel products are discussed and the structure and mode of steel plants and investment decision are prospected. It is pointed out that market competitiveness and sustainable development are the time´s topic of steel industry. In the 21st century, the functions of steel production process will move towards following targets:

——For metallurgical function - producing new generation steel products based on low energy consumption, low material consumption and high efficiency and low specific investment cost.

——For energy conversion function - forming the industrial ecological chain, even converting into an advanced energy.

——For wastage treatment function - realizing environment friendliness.

Steel plants will be developed into two typical modes: the city peripheral steel plant and the steel plant located in the ecological industry zone.

Keywords: steel industry     steel plant     structural adjustment     steel manufacturing procces     analysis and integration    

Study on Green Development Strategies for the Industry in China

Fu Zhihuan,Song Zhongkui,Chen Xiaohuan and Li Xiaoyan

Strategic Study of CAE 2015, Volume 17, Issue 8,   Pages 16-22

Abstract:

Green development is a concept and development direction that must be established by China in the process of development confronting more and more stringent resource constraints, severe environmental pollution and ecosystem degradation. By analyzing the achievements of China’s industrial development in recent years and the challenges being faced to, this paper proposes some countermeasures and suggestions for the green development of the industry in China such as promoting the combination of source reduction and end-of-pipe treatment, constantly intensifying the application of information technologies in the industrial process, vigorously developing the circular economy and the strategic emerging industries, and accelerating the development of the productive service industry.

Keywords: green development     energy conservation & environmental protection     structural adjustment     integration    

Title Author Date Type Operation

Structural design and construction of catway for the Fourth Nanjing Yangtze River Bridge

Luan Changhua, Shen Bin

Journal Article

Impact of energy structure adjustment on air quality: a case study in Beijing, China

Bin ZHAO, Jiayu XU, Jiming HAO

Journal Article

Optimization of aero-engine pipeline for avoiding vibration based on length adjustment of straight-line

Journal Article

Reform of the System and Policy Adjustment on Chinese Manufacturing Industry

The Research Group for Reform of the System and Policy Adjustment on Chinese Manufacturing Industry

Journal Article

Industrial Structure Adjustment of Shaanxi Province under the Limited Water Resources Condition

Xiao-jun Liu,Zhen-yu Guo,Chao Ding,Han-liang Fu

Journal Article

Strategic Study on Agricultural Structure Adjustment in China in the New Era

Qiyou Luo, Yang Liu, Huajun Tang, Zhenya Zhou, Fei You, Mingjie Gao

Journal Article

Research on overall encryption adjustment technology of offshore oil field

Zhang Fengjiu,Luo Xianbo,Liu Yingxian,Zhao Chunming

Journal Article

Supply-Demand Forecast and Structure Adjustment Paths of Planting and Breeding Industries Based on Changes

Shangguan Caixia, Lu Yan, Jing Li, Du Tao, Sun Jianjun, Zhang Xinyou

Journal Article

Joint compressed sensing imaging and phase adjustment via an iterative method for multistatic passive

Jue WANG, Jun WANG

Journal Article

Construction of Near-Zero-Carbon Manufacturing System under the Carbon Border Adjustment Mechanism

Cheng Runting , Zhang Yongjun , Li Licheng , Ding Maosheng , Lin Jingchun , Zhang Chunfeng , Han Yongxia

Journal Article

Research on Battery-aware Dynamic Voltage Scaling Policy

Xu Shen,Hu Chen

Journal Article

Discussion on urban rail transit’s joint and development

Yan Ping

Journal Article

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Journal Article

The Structure of Steel Industry and the Mode of Steel Plants

Yin Ruiyu

Journal Article

Study on Green Development Strategies for the Industry in China

Fu Zhihuan,Song Zhongkui,Chen Xiaohuan and Li Xiaoyan

Journal Article