scholarly journals Research on the Evaluation of Ecological Assets Loss in Railway Construction Project Route Selection

2020 ◽  
Vol 145 ◽  
pp. 02038
Author(s):  
Liu Min ◽  
Shi Huansheng ◽  
Ji Chunlei ◽  
Chen Xiaqing
Keyword(s):  
Environmental Protection ◽  
Construction Projects ◽  
Evaluation Index System ◽  
Research Progress ◽  
Current Status ◽  
Future Research ◽  
Route Selection ◽  
Existing Problems ◽  
Railway Construction ◽  
Selection Of

At present, the route selection of railway construction projects from the perspective of environmental protection fails to objectively and comprehensively reflecting environmental protection requirements. Therefore, incorporating ecological asset assessment into the route selection of railway construction projects is conducive to promoting environmental protection to participate in railway route selection and improve railway route selection. This article summarizes the current status of railway route selection, identifies the existing problems in railway environmental route selection, and combines the research progress of ecological asset assessment, and proposes the assessment content and evaluation index system of ecological asset assessment in railway environmental route selection, and points out the future research prospects.

scholarly journals Integration of Digital Economy and Circular Economy: Current Status and Future Directions

2021 ◽  
Vol 13 (13) ◽  
pp. 7217
Author(s):  
Zhen Liu ◽  
Jing Liu ◽  
Mohamed Osmani
Keyword(s):  
Circular Economy ◽  
Digital Technology ◽  
Global Economy ◽  
Digital Economy ◽  
Research Field ◽  
Research Progress ◽  
Current Status ◽  
Future Research ◽  
Disruptive Effect ◽  
The European Union

Circular economy (CE) is a concept actively advocated by the European Union (EU), China, Japan, and the United Kingdom. At present, CE is considered to grant the most traction for companies to achieve sustainable development. However, CE is still rarely adopted by enterprises. As the backbone of the fourth industrial revolution, the digital economy (DE) is considered to have a disruptive effect. Studies have shown that digital technology has great potential in promoting the development of CE. Especially during the COVID-19 epidemic that has severely negatively affected the global economy, environment, and society, CE and DE are receiving high attention from policy makers, practitioners, and scholars around the world. However, the integration of CE and digital technology is a small and rapidly developing research field that is still in its infancy. Although there is a large amount of research in the fields of CE and DE, respectively, there are few studies that look into integrating these two fields. Therefore, the purpose of this paper is to explore the research progress and trends of the integration of CE and DE, and provide an overview for future research. This paper adopts a bibliometric research method, employs the Web of Science database as its literature source, and uses VOSviewer visual software to carry out keyword co-occurrence analysis, which focuses on publication trends, journal sources, keyword visualization, multidisciplinary areas, life cycle stages, and application fields.

Application level of lean construction techniques in reducing accidents in construction projects

2019 ◽  
Vol 24 (3) ◽  
pp. 274-293
Author(s):  
Adnan Enshassi ◽  
Nour Saleh ◽  
Sherif Mohamed
Keyword(s):  
Middle East ◽  
Construction Projects ◽  
Gaza Strip ◽  
Descriptive Analysis ◽  
Lean Construction ◽  
Current Status ◽  
Future Research ◽  
Accident Investigation ◽  
Content Type ◽  
Construction Companies

Purpose This paper aims to investigate the application of lean construction (LC) techniques in reducing accidents in construction projects. Design/methodology/approach A quantitative approach was used to collect the required data using a questionnaire survey and descriptive analysis was used to analyse the collected data. The LC techniques that were investigated in this paper are related to the tools of the last planner system (LPS), increased visualisation (IV), 5S, error-proofing, daily huddle meetings (DHMs), first-run studies (FRS), continuous improvement (Kaizen) and accident investigation (5Whys). Findings The overall results indicated that LC techniques are poorly implemented in construction projects in the Gaza Strip. The top three LC tools used to reduce the causes of accidents in the Gaza construction projects were 5Whys, 5S and LPS, while the highest three LC techniques applied to reduce the causes of accidents that were applicable were cleaning the workplace and removing materials and machines that are not required; conducting accident investigation and root cause analysis programmes; and using safety signs and labels on site. Research limitations/implications There is a lack of information and published studies regarding the links between LC and safety, especially in the Middle East. This paper is limited to the perceptions and geographical boundaries; therefore, it cannot be generalised. However, it could form the basis for useful comparison in the future. Triangulation research method could also be used in future research to minimise the bias and validate the conclusions. Practical implications The findings of this paper will stress professionals and construction companies in Gaza to reconsider their behaviour towards using LC techniques. The findings of this paper will aid them to shift their attention and resources towards including LC techniques in their plans to reduce the causes of accidents on construction sites. Social implications The findings of this paper will encourage professionals and construction companies in Gaza to reconsider their behaviour towards using LC techniques. The findings will also aid them to shift their attention and resources towards including LC techniques in their plans to reduce and/or avoid the causes of accidents on construction. Originality/value Because of the lack of published works that are specific to the Middle East, the authors believe that the originality lies in the paper’s serious attempt to explore the application level of the LC concept to safety in this part of the world. This paper contributes to a better understanding of the applicability of LC techniques in terms of accidents reduction. Findings from this paper provide a clear picture of the current status of using LC techniques to reduce accidents in the Gazan construction projects which drive them to investigate the main barriers and try to overcome them.

The Research Progress on Site Selection of Disasters Mitigation Emergency Congregate Shelter

2013 ◽  
Vol 838-841 ◽  
pp. 2170-2173
Author(s):  
Jian Yu Chu ◽  
Ling Li Chen
Keyword(s):  
Site Selection ◽  
Research Priorities ◽  
Theoretical Models ◽  
Research Progress ◽  
Selection Procedures ◽  
Research Status ◽  
Existing Problems ◽  
Service Fairness ◽  
Selection Of

The site selection of disasters mitigation emergency congregate shelter is layout and division to place type, quantity, location, and service responsibility area. Reasonable location layout, can not only realize the shelters service fairness, but also ensure quickly and orderly evacuation of personnel and rescue activities during disaster. This paper reviews the research status of disasters mitigation emergency congregate shelter planning, introduces the related standards on site scale and security, both summarizes and comments the achieved results in the evaluation, selection procedures, theoretical models and so on. For the existing problems, it proposes the next research priorities and ideas.

scholarly journals Genetic diversity in centipedegrass [Eremochloa ophiuroides (Munro) Hack.]

2020 ◽  
Vol 7 (1) ◽  
Author(s):  
Jianjian Li ◽  
Hailin Guo ◽  
Junqin Zong ◽  
Jingbo Chen ◽  
Dandan Li ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Warm Season ◽  
Central China ◽  
Research Progress ◽  
Current Status ◽  
Future Research ◽  
Heritable Variation ◽  
Geographical Regions ◽  
Poaceae Family ◽  
Genomic Studies

AbstractGenetic diversity is the heritable variation within and among populations, and in the context of this paper describes the heritable variation among the germplasm resources of centipedegrass. Centipedegrass is an important warm-season perennial C4 grass belonging to the Poaceae family in the subfamily Panicoideae and genus Eremochloa. It is the only species cultivated for turf among the eight species in Eremochloa. The center of origin for this species is southern to central China. Although centipedegrass is an excellent lawn grass and is most widely used in the southeastern United States, China has the largest reserve of centipedegrass germplasm in the world. Presently, the gene bank in China holds ~200 centipedegrass accessions collected from geographical regions that are diverse in terms of climate and elevation. This collection appears to have broad variability with regard to morphological and physiological characteristics. To efficiently develop new centipedegrass varieties and improve cultivated species by fully utilizing this variability, multiple approaches have been implemented in recent years to detect the extent of variation and to unravel the patterns of genetic diversity among centipedegrass collections. In this review, we briefly summarize research progress in investigating the diversity of centipedegrass using morphological, physiological, cytological, and molecular biological approaches, and present the current status of genomic studies in centipedegrass. Perspectives on future research on genetics and genomics and modern breeding of centipedegrass are also discussed.

Advances in Preparation of Activated Carbon from Sugarcane Bagasse and Using it to Treatment of Wastewater Research

2014 ◽  
Vol 1010-1012 ◽  
pp. 15-19
Author(s):  
Yan Min Qin ◽  
Mei Na Liang ◽  
Dun Qiu Wang
Keyword(s):  
Heavy Metals ◽  
Activated Carbon ◽  
Organic Pollutants ◽  
Sugarcane Bagasse ◽  
Industrial Wastewater ◽  
Research Progress ◽  
Future Research ◽  
Preparation Methods ◽  
Existing Problems

This paper discusses the utilization situation and existing problems of sugarcane bagasse, and briefly the research progress of preparation of activated carbon from sugarcane bagasse (ACSB). It reviews the application of activated carbon prepared from sugarcane bagasse, such as, industrial wastewater decolorizing, removal of organic pollutants and heavy metals in wastewater in the domestic and overseas in recent years. Points out the shortage of preparation methods, the existing problems and puts forwards some questions need to be solved in future research. Moreover, the prospect of application and the trends in future research of activated carbon from sugarcane bagasse are proposed.

scholarly journals Progress and Prospects of Forest Ecological Asset Research

2021 ◽  
Vol 14 (1) ◽  
pp. 395
Author(s):  
Tingling Li ◽  
Kangning Xiong ◽  
Shan Yang ◽  
Haiyan Liu ◽  
Yao Qin ◽  
...  
Keyword(s):  
Evaluation Index System ◽  
Research Progress ◽  
Ecological Environment ◽  
Future Research ◽  
Temporal Heterogeneity ◽  
Local Conditions ◽  
Technical Problems ◽  
Spatial And Temporal Heterogeneity ◽  
The Face ◽  
Ecological Assets

In recent years, in the face of the deterioration of the ecological environment, the research on forest ecological assets (FEA) has increasingly become a focal area of ecological research. To understand the current research progress and future prospects, this paper classifies and summarizes the main progress and achievements related to FEA in terms of theoretical studies, index systems, technical methods, and accounting models. In view of the existing research results, this paper proposes seven key scientific and technical problems and prospects to be solved, including the unification of the concept of ecological assets, the focus of future research on FEA, the construction of an evaluation index system according to local conditions, the integration of data assimilation methods that complement ground and remote sensing observations, the study of the spatial and temporal heterogeneity of forest ecological assets, the study of the net value of FEA, and the preservation and appreciation of FEA.

scholarly journals Research Progress on the Animal Models of Drug-Induced Liver Injury: Current Status and Further Perspectives

2019 ◽  
Vol 2019 ◽  
pp. 1-12 ◽  
Author(s):  
Yingying Pan ◽  
Mingzhu Cao ◽  
Danming You ◽  
Genggeng Qin ◽  
Zhi Liu
Keyword(s):  
Animal Models ◽  
Liver Injury ◽  
Research Progress ◽  
Current Status ◽  
Future Perspective ◽  
Postmarketing Surveillance ◽  
Drug Induced ◽  
Drug Induced Liver Injury ◽  
Underlying Mechanisms ◽  
Selection Of

Drug-induced liver injury (DILI) is a major concern in clinical studies as well as in postmarketing surveillance. It is necessary to establish an animal model of DILI for thorough investigation of mechanisms of DILI and searching for protective medications. This article reviews the current status and future perspective on establishment of DILI models based on different hepatotoxic drugs, as well as the underlying mechanisms of liver function damage induced by specific medicine. Therefore, information from this article can help researchers make a suitable selection of animal models for further study.

scholarly journals Research on construction projects from a social network perspective: based on knowledge graph analysis

2021 ◽  
Vol 248 ◽  
pp. 03019
Author(s):  
Jiaojiao Deng ◽  
Chen Chen ◽  
Weichen Gong
Keyword(s):  
Social Network ◽  
Construction Projects ◽  
Stakeholder Management ◽  
Construction Project ◽  
Research Trends ◽  
Current Status ◽  
Future Research ◽  
Project Organization ◽  
Bibliometric Method ◽  
Technology Application

In order to comprehensively reflect the current status, research hotspots and evolutionary trends of research on construction projects from a social network perspective, 143 HJrelevant papers in the WoS database from 1999 to 2020 were taken as the research objects, and the bibliometric method and CiteSpace V were used to reveal the research development and evolution of the field during the 20 years and explore the future research trends. The study shows that the hotspots of construction project research from social network perspective include performance, governance, stakeholder management, risk management, and communication; research on construction project organizational network innovation, stakeholder risk and governance, BIM technology application, and social capital perspective to improve project organization become future research trends.

scholarly journals Research Progress of Visual Inspection Technology of Steel Products—A Review

2018 ◽  
Vol 8 (11) ◽  
pp. 2195 ◽  
Author(s):  
Xiaohong Sun ◽  
Jinan Gu ◽  
Shixi Tang ◽  
Jing Li
Keyword(s):  
Visual Inspection ◽  
Strong Support ◽  
Intelligent Manufacturing ◽  
Research Progress ◽  
Future Research ◽  
Iron And Steel ◽  
Existing Problems ◽  
Future Research Directions ◽  
Industry Needs ◽  
Absolute Advantage

The automation and intellectualization of the manufacturing processes in the iron and steel industry needs the strong support of inspection technologies, which play an important role in the field of quality control. At present, visual inspection technology based on image processing has an absolute advantage because of its intuitive nature, convenience, and efficiency. A major breakthrough in this field can be achieved if sufficient research regarding visual inspection technologies is undertaken. Therefore, the purpose of this article is to study the latest developments in steel inspection relating to the detected object, system hardware, and system software, existing problems of current inspection technologies, and future research directions. The paper mainly focuses on the research status and trends of inspection technology. The network framework based on deep learning provides space for the development of end-to-end mode inspection technology, which would greatly promote the implementation of intelligent manufacturing.

Research Progress of Laser Assisted Liquid Compound Machining

2011 ◽  
Vol 189-193 ◽  
pp. 3750-3754 ◽  
Author(s):  
Gen Fu Yuan ◽  
Wei Zheng ◽  
Xue Hui Chen ◽  
Yu Ping Ma
Keyword(s):  
Electrochemical Machining ◽  
Research Progress ◽  
Future Research ◽  
Theoretical Studies ◽  
Machining Performance ◽  
Research Directions ◽  
Existing Problems ◽  
Future Research Directions ◽  
Jet Electrochemical Machining ◽  
Experimental And Theoretical Studies

Laser combined machining is a complex machining method which utilizes the combined effect of various forms of energy to achieve a material processing. High manufacturing quality and surface accuracy, and machining efficiency can be achieved. The research progress in the area of laser combined other machine processes is reviewed. Several methods of laser combined machining are introduced and their characteristics and applications from the point of the laser assisted liquid machining are investigated. For example, laser assisted wet etching and laser assisted jet electrochemical machining, and waterjet-guided laser machining are reported. The experimental and theoretical studies of the technologies to improve the machining performance are discussed. Finally, the existing problems and the future research directions of the laser compound processing are put forward .

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