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Article
Publication date: 17 October 2008

Gao Jian‐zhi, Zhao Yao, Ma He‐ling and Sun Yuan‐Xia

The purpose of this paper is to expound the concept of the coordinated development of the transport system, and provide a quantitative method to support decision making in urban…

1754

Abstract

Purpose

The purpose of this paper is to expound the concept of the coordinated development of the transport system, and provide a quantitative method to support decision making in urban transportation development planning.

Design/methodology/approach

To analyze the organic composition of urban transport system, research the meaning and mechanism of coordinated development of transport system. On the basis of researching relations of transport and external systems and its subsystems, to research quantitative theoretical model of the coordinated development and assessment of the transport system.

Findings

Establishing models needs to analyze the coordination among the various indices of subsystem, calculate the overall coordination between indices of the subsystem and all the indices of other subsystems, then inspect the coordinated development among subsystems.

Research limitations/implications

How to design the indexes of the subsystem of urban transport system is the main limitation.

Practical implications

Offering theoretical foundation for coordinated development of urban transport system.

Originality/value

Putting forward quantitative theoretical model on coordinated development of urban transport system, which lays a foundation for further study.

Details

Kybernetes, vol. 37 no. 9/10
Type: Research Article
ISSN: 0368-492X

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Article
Publication date: 8 September 2022

Yaxin Ma, Hong Zhang, Yifei Gao, Zhengxing Men, Ling He and Jianguo Cao

This paper aims to investigate the reason for natural gas leakage from transmission pipelines between Linyi and Shouguang in China during sealing tests, explore the failure…

136

Abstract

Purpose

This paper aims to investigate the reason for natural gas leakage from transmission pipelines between Linyi and Shouguang in China during sealing tests, explore the failure mechanism and provide a reference for taking reasonable measures to prevent such accidents.

Design/methodology/approach

Failure analysis for the steel pipe has been addressed with different methods, such as microstructure analysis, inclusion analysis, corrosion product analysis, macro- and micro-morphology analyses and bacterially catalyzed experiments.

Findings

Several bulges were observed, especially at the bottom of the steel pipe sample, with the distribution and positioning not related to the weld. The inner surface of the steel pipe was severely corroded, and the oxide scale was flaking in many places. The greatest corrosion area was identified at the bottom of the steel pipe near the gas leakage point. Severe pitting and perforation corrosion in the pipeline were observed, and the main corrosion reaction products were Fe3O4, FeO and FeS. The grain orientation distribution near the crack (coarse grains <101> and fine grains <111> at the microcrack tip) indicates that fine grains may be beneficial in hindering crack propagation.

Originality/value

The principal mechanism for the corrosion failure is supposed to be due to the interaction of chloride ions with the sulfate-reducing microorganisms present and the stress corrosion cracking by chloride and sulfide formed by the sulfate-reducing microorganisms.

Details

Anti-Corrosion Methods and Materials, vol. 69 no. 6
Type: Research Article
ISSN: 0003-5599

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Article
Publication date: 9 May 2018

Qing Yang, Ling He, Xingxing Liu and Mengying Cheng

This study aims to analyze reform path for waste management policy implementation. With reference to the Bayesian theory, this study provides a dynamic policy conversion method…

1084

Abstract

Purpose

This study aims to analyze reform path for waste management policy implementation. With reference to the Bayesian theory, this study provides a dynamic policy conversion method through various context settings. Furthermore, this study attempts to present an empirical research paradigm.

Design/methodology/approach

Matland’s “ambiguity-conflict model” is applied to explain the problems and reform paths of China’s waste management policy implementation. Integrating structure discovery and bibliometrics into qualitative analysis, this study used search data from literature search engine with specific themes to achieve structure learning of Bayesian network with key factors refined in waste management policy.

Findings

The results show that China’s waste management policy implementation belongs to symbolic implementation with high ambiguity and high conflict. Four basic conversion paths for the waste management policy are proposed, which are classified by length and stability. Then, it is possible to locate the factors, paths and types of policy implementation through involvement analysis with features of each path and each district of policy implementation. Public education holds direct but unstable impact on waste management. Economic incentives hold continuous but gradually diminishing impact. Perceived policy effectiveness plays the crucial role like a central bridge. Resident conditions have a positive impact, which could be enhanced through economic development of China. The impact of subjective norm on waste management is not significant. But subjective norm has the potential breakthrough for solving stagnation of waste classification policy. However, the impacts from each factor may change along with economy growth and technology innovation.

Originality/value

This study uses the “ambiguity-conflict model” to position China’s waste classification policy and suggests that structure discovery methods help understand feasible reform paths for reform policy. The integration of theoretical analysis and quantitative simulation can achieve a comprehensive analysis of problems and solutions in waste management policy implementation of China. Promotion and education, economic incentives, perceived value, behavior control, subjective norm, perceived policy effectiveness, informal waste recycling system and residential conditions are explored as key factors for waste classification policy implementation as a representative in waste management policy. The role of each key factor and features of each conversion paths are integrated to position reform paths in the ambiguity-conflict model. This work helps to explain the stagnation of waste management policy implementation from the perspective of dynamic structure evolution, and some specific suggestions to get out of stagnation are proposed.

Details

International Journal of Conflict Management, vol. 29 no. 3
Type: Research Article
ISSN: 1044-4068

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Article
Publication date: 8 May 2018

Ling-Yun He, Bingdong Hou and Hua Liao

Rural energy policy is a critical measure to fight the long-standing poverty issue in China. Energy poverty, per se, is one important yet too often neglected dimension of poverty…

830

Abstract

Purpose

Rural energy policy is a critical measure to fight the long-standing poverty issue in China. Energy poverty, per se, is one important yet too often neglected dimension of poverty, and one of the biggest challenges in rural China during the 40-year rural reform. Reducing energy poverty is one of the poverty alleviation tasks and the goals of energy transition in the rural areas. The purpose of this paper is to evaluate the status of energy poverty in China, discussing the challenges of energy poverty reduction, and then proposing the potential measures.

Design/methodology/approach

Using various data (including the authors’ survey data), this paper analyzes the volume and structure of energy use, and affordability of energy for the rural households, then examines the impacts of energy poverty on health, social and productivity, and finally discusses the infrastructure, cognitive ability, culture, income, etc., that shape the challenges to energy poverty reduction.

Findings

In addition to raising the household income, it is urgently needed to enforce the collaborations among government departments, and to improve the energy infrastructure according to local conditions, helping the residential environment cognition.

Originality/value

Energy poverty is almost a too often neglected issue in rural China. Few in existing literature comprehensively investigate this critically important social economic problem. This paper contributes to the profound understanding in energy poverty and the possible approaches to alleviate it.

Details

China Agricultural Economic Review, vol. 10 no. 2
Type: Research Article
ISSN: 1756-137X

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