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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 plantingof planting and breeding industries in China and estimates the demand and supply data of staplegrains, feed grains, and forage crops closely related to the planting and breeding industries.Targeted adjustment directions are proposed, including expanding the planting of protein feed crops,&The study also elaborates on the implementation paths: optimizing planting structure by adjusting

Keywords： changes in food consumption     supply and demand forecast of planting and breeding industry     planting andbreeding structure adjustment     food security    

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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: , namely planting structure, animal husbandry structure, industrial structure, product structure, andspatial structure.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 husbandrystructure, and industrial structure and corresponding policy recommendations.

Keywords： structure adjustment     planting structure     animal husbandry structure     regional layout    

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Uncertain and multi-objective programming models for crop planting structure optimization

Mo LI,Ping GUO,Liudong ZHANG,Chenglong ZHANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 34-45 doi: 10.15302/J-FASE-2016084

Abstract: Crop planting structure optimization is a significant way to increase agricultural economic benefitsstructure which consider uncertainty and multi-objectives elements.In this study, three single-objective programming models under uncertainty for crop planting structureTo satisfy the sustainable development of crop planting structure planning, a fuzzy-optimization-theory-basedstructure optimization systems.

Keywords： crop planting structure     optimization model     uncertainty     multi-objective    

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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 , andadjustment in power plants and heating sectors is limited.Except 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    

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Integrated uncertain models for runoff forecasting and crop planting structure optimization of the Shiyang

Fan ZHANG, Mo LI, Shanshan GUO, Chenglong ZHANG, Ping GUO

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 177-187 doi: 10.15302/J-FASE-2017177

Abstract: On this basis, an inexact two-stage stochastic programming (ITSP) model is used for crop planting structureThe developed system, in which the UMLR model for runoff forecasting and the ITSP model for crop plantingstructure optimization are integrated, is applied to a real case study.The aim of the developed system is to optimize crops planting area with limited available water resourcesstructure under multiple uncertainties.

Keywords： crop planting structure optimization     inexact two-stage stochastic programming     runoff forecasting     Shiyang    

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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: resources, Shaanxi Province is committed to the transformation of the economic growth and the industrial structureThis paper focuses on building multi-objective programming model of industrial structure optimizationcondition, indicates the direction of the industrial transformation and water consumption structural adjustment

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

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A Full-Scale Optimization of a Crop Spatial Planting Structure and Its Associated Effects Article

Qi Liu, Jun Niu, Taisheng Du, Shaozhong Kang

Engineering 2023, Volume 28, Issue 9,   Pages 139-152 doi: 10.1016/j.eng.2023.03.012

Abstract: Abstract" style="text-align: justify;">Driven by the concept of agricultural sustainable development, crop plantingstructure optimization (CPSO) has become an effective measure to reduce regional crop water demand,However, traditional optimization of crop planting structures often ignores the impact on regional foodBy combining the theory of virtual water trading with system analysis, the optimal planting structureWhile sacrificing reasonable regional economic benefits, the optimization of the planting structure significantly

Keywords： Planting structure optimization     Full-scale evaluation index system     Water footprint     SWAT-WF module    

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National Food Security Strategy Against the Backdrop of Domestic and International Dual Circulation

Yan Yan , Wang Xiudong , Wang Jimin , Mei Xurong ,Tang Huajun , Wu Kongming

Strategic Study of CAE 2023, Volume 25, Issue 4,   Pages 14-25 doi: 10.15302/J-SSCAE-2023.04.001

Abstract: for upgrading grain production capacity, new protein resource substitution, green and lowcarbon plantingand breeding circulation, development and utilization of international grain resources, and research

Keywords： dual circulation     food security     food production capacity     green and low-carbon     planting and breeding    

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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    

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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 symmetricalstructure is applied to change the positions of a pair of pivots in two levers linearly and simultaneously, which can eliminate the additional bending moment caused by the asymmetric structure.facilitate building a manipulator in the future, an expandable electrical system with a distributed structure

Keywords： variable stiffness actuator     variable stiffness module     drive module     symmetrical structure     double-deck    

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The implications of planting mode on cadmium uptake and remobilization in rice: Field experiments across

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1431-5

Abstract:

•Direct seeding (DS) method led to more distributed Cd in aerial parts of rice.

Keywords： Cadmium     Genotypes     Growth stages     Micro X-ray fluorescence     Planting mode    

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Comments on this special issue on “Wheat Genetics and Breeding”

Zhonghu HE, Xu LLU

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 309-309 doi: 10.15302/J-FASE-2019264

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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 production processes for different steel products are discussed and the structure and mode of steel

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

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Highlights of special issue on “Wheat Genetics and Breeding”

Zhonghu HE, Zhendong ZHAO, Shunhe CHENG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 207-209 doi: 10.15302/J-FASE-2019263

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Genomics and genetic breeding in aquatic animals: progress and prospects

Wenteng XU, Songlin CHEN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 305-318 doi: 10.15302/J-FASE-2017154

Abstract: Genomics focuses on dissection of genome structure and function to provide a molecular basis for understandinginfluenced by these findings, such as accelerated generation shift in the seed industry and the process of breeding, trait-related marker/genes screening, as well as sex control, genome editing, and other molecular breeding

Keywords： aquaculture     genomics     genetic breeding     progress    

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Title Author Date Type Operation

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

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

Uncertain and multi-objective programming models for crop planting structure optimization

Mo LI,Ping GUO,Liudong ZHANG,Chenglong ZHANG

Journal Article

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

Bin ZHAO, Jiayu XU, Jiming HAO

Journal Article

Integrated uncertain models for runoff forecasting and crop planting structure optimization of the Shiyang

Fan ZHANG, Mo LI, Shanshan GUO, Chenglong ZHANG, Ping GUO

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

A Full-Scale Optimization of a Crop Spatial Planting Structure and Its Associated Effects

Qi Liu, Jun Niu, Taisheng Du, Shaozhong Kang

Journal Article

National Food Security Strategy Against the Backdrop of Domestic and International Dual Circulation

Yan Yan , Wang Xiudong , Wang Jimin , Mei Xurong ,Tang Huajun , Wu Kongming

Journal Article

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

Journal Article

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

Journal Article

The implications of planting mode on cadmium uptake and remobilization in rice: Field experiments across

Journal Article

Comments on this special issue on “Wheat Genetics and Breeding”

Zhonghu HE, Xu LLU

Journal Article

The Structure of Steel Industry and the Mode of Steel Plants

Yin Ruiyu

Journal Article

Highlights of special issue on “Wheat Genetics and Breeding”

Zhonghu HE, Zhendong ZHAO, Shunhe CHENG

Journal Article

Genomics and genetic breeding in aquatic animals: progress and prospects

Wenteng XU, Songlin CHEN

Journal Article