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Approach for natural gas to be a primary energy source in China

Weihe HUANG, Jindian CHEN, Chuan FU, Yan HUANG

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 467-476 doi: 10.1007/s42524-019-0068-6

Abstract: toward a more positive role in complementing coal and renewable energy and prioritize its usage in three areas

Keywords： natural gas     energy revolution     primary energy     utilization areas     approaching means    

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Technology System of Offshore Carbon Capture, Utilization, and Storage

Li Jianghui, Li Pengchun, Li Yanzun, Tong Feng

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 173-186 doi: 10.15302/J-SSCAE-2023.07.015

Abstract:

Offshore carbon capture, utilization, and storage (CCUS) is an engineering>2 storage in the deep saline aquifer and for petroleum displacement, CO2 chemical utilization

Keywords： offshore carbon capture     utilization and storage     CO2 capture     CO2 transport     CO2 storage     CO2 utilization     coastal areas     offshore sedimentary basin    

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Highlights of special issue on ‘Agriculture in Water-Limited Areas’

Pute WU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 123-125 doi: 10.15302/J-FASE-2017147

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A data envelopment analysis of agricultural technical efficiency of Northwest Arid Areas in China

Yubao WANG, Lijie SHI, Haojie ZHANG, Shikun SUN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 195-207 doi: 10.15302/J-FASE-2017153

Abstract: Severe resource shortage and waste of resource in agricultural production make it necessary to assess efficiency to increase productivity with high efficiency and ensure sustainable agricultural development. This paper adopted an input-oriented data envelopment analysis (DEA) method with the assumption of variable returns to scale to evaluate agricultural production efficiency of 100 major irrigation districts in Northwest China in 2010. Major findings of this paper were as follows: firstly, the average value of total technical efficiency, pure technical efficiency and scale efficiency of those irrigation districts in Northwest China were 0.770, 0.825 and 0.931, respectively; secondly, 30% of irrigation districts were technically efficient, while 42% and 32% of them showed pure technical and scale efficiency respectively. Among inefficient decision-making units, total technical efficiency score varied from 0.313 to 0.966, showing significant geographical differences, but geographical differences of pure technical efficiency was more consistent with that of total technical efficiency; thirdly, input redundancy was evident. Inputs of agricultural population, irrigation area, green water, blue water, consumption of fertilizer and agricultural machinery could be reduced by 34.88%, 40.19%, 43.85%, 47.10%, 41.53% and 42.21% respectively without reducing agricultural outputs. Furthermore, irrigation area, green water and blue water had relatively high slack movement though Northwest China which is short of water resources. Based on these results, this paper drew the following conclusions: First, there is huge potential for Northwest China to improve its agricultural production efficiency, and agro-technology not input scale had greater influence on improvement. Second, farmers needed proper guidance in order to reduce agricultural inputs and it is time to centralize agricultural management for overall agricultural inputs regulation and control.

Keywords： agricultural production efficiency     DEA model     input redundancy     irrigation districts     Northwest Arid Areas    

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Local and regional contributions to PM in the Beijing 2022 Winter Olympics infrastructure areas during

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1434-2

Abstract:

• Regional transportation contributed more than local emissions during haze episodes.

Keywords： 2022 Winter Olympics     PM2.5     Source apportionment    

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Advanced purification and comprehensive utilization of yellow phosphorous off gas

Ping NING,Xiangyu WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 181-189 doi: 10.1007/s11783-014-0698-1

Abstract: Yellow phosphorous is an important raw material in the chemical industry. However, during the production of yellow phosphorous, high concentrations of carbon monoxide and other impurities are released. Without appropriate purification and removal, this off gas has potential to cause severe pollution problems once released. Purified yellow phosphorous off gas can be beneficially reused as a raw material in chemical production for synthesis of high value-added chemical reagents. In this paper, the significance of purification and reutilization of yellow phosphorous off gas are explored. The principles, processes, and main characteristics of the technologies for purification and reuse of yellow phosphorus off gas (including technical measurements of impurity reduction, relevant engineering cases, and public acceptance of the technologies) are summarized. In view of the existing problems and scientific development requirements, this paper proposes several recommendations for green production based on the concept of recycle economics. We conclude that advanced purification and comprehensive reutilization can be an effective solution for heavy pollution resulting from yellow phosphorous off gassing.

Keywords： yellow phosphorous off gas     purification     comprehensive utilization    

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Development and Challenges of Antarctic Marine Protected Areas

Fu Yu

Strategic Study of CAE 2019, Volume 21, Issue 6,   Pages 9-17 doi: 10.15302/J-SSCAE-2019.06.002

Abstract:

The Antarctic marine protected areas (MPAs) have developed rapidly in

Keywords： Antarctic marine protected areas     Antarctic ocean governance and conservation     scientific data    

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Assessment of metals in dry-toilet collected matters from suburban areas of Ulaanbaatar, Mongolia, using

Xuan LIU,Zifu LI,Eric BOSC,Heinz-Peter MANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 710-718 doi: 10.1007/s11783-013-0592-2

Abstract: matter (DCM) from traditional dry-toilet pits are a potential health and ecological risk in suburban areasIn this study, the characteristics of metals in DCMs from suburban areas of Ulaanbaatar were surveyed

Keywords： heavy metals     suburban areas     dry-toilet     risk assessment    

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Integrated river basin management in rapidly urbanizing areas: a case of Shenzhen, China

Lei LIU, Xiaoming MA

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 243-254 doi: 10.1007/s11783-010-0276-0

Abstract: The rapid urbanization of China is causing a burden on their water resources and hindering their sustainable development. This paper analyzes effective methods to integrated river basin management (IRBM) using Longgang River basin of Shenzhen as an example, which is the city with the fastest rate of urbanization in China and even the whole world. Over the past 20 years, China has undergone a population boom due to the increase of immigrant workers and rapid development of labor-intensive industries, which led to the sharp increase of water consumption and sewage discharge. However, the construction of the water infrastructure is still lagging far behind the environmental and social development, with only 32.7% of sewage in the district being treated. Currently, every water quality indicator of the Longgang River basin was unable to meet the required corresponding environmental standards, which further aggravated the water shortages of the region. Thus, an analytical framework is proposed to address the IRBM of the study area. The problems with the current management system include the lack of decentralization in decision-making, lack of enforcement with redundant plans, weak management capacity, financial inadequacy, and a poor system of stakeholder participation. In light of the principles of IRBM and the situation of the region, corresponding measures are put forward, including an increase of power given to sub-district offices, fewer but more feasible plans, capacity building among stakeholders, a combination of planning and marketing for overcoming financial inadequacy, and profound reform in the public participation system. The framework and institutional suggestions could inform similar processes in other representative river basins.

Keywords： integrated river basin management (IRBM) model     Longgang River basin     Shenzhen     decentralization     stakeholder participation    

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The Exploration and Practice of the Development of Green Eco-Urban Areas in Guangzhou International Financial

Jia-meng Chen,Peng Liu

Frontiers of Engineering Management 2016, Volume 3, Issue 1,   Pages 87-96 doi: 10.15302/J-FEM-2016003

Abstract: Active exploration has been carried out to determine a pattern for developing green eco-urban areas inresearch, development of green technologies at home and abroad, and indicator systems of green urban areas

Keywords： Guangzhou International Financial City     green eco-urban area     indicator system     case verification    

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Methodologies for chemical utilization of CO

Liangnian HE, Ya Du, Chengxia MIAO, Jinquan WANG, Xiaoyong DOU, Ying WU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 224-228 doi: 10.1007/s11705-009-0067-y

Abstract: The reactions of CO with oxirane to produce cyclic carbonate, and with aziridine to afford oxazolidine have been of interest as a useful method for its fixation by a chemical process. Highly efficient processesemploying recyclable CO -phlilic homogeneous catalyst were devised for environmentally benign synthesis of cyclic carbonates and oxazolidinones under supercritical CO without any organic solvent. These processes represent pathways for greener chemical fixations of CO to afford industrial useful materials such as organic carbonates and oxazolidinones with great potential applications.

Keywords： carbon dioxide     chemical utilization     molecular catalyst     carbonate     oxazolidinone    

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CROP PROTECTION OPENS UP NEW ERA OF CONSERVATION AND UTILIZATION OF GREEN OPTIONS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 1,   Pages 1-3 doi: 10.15302/J-FASE-2021431

Abstract: special issue of Frontiers of Agricultural Science and Engineering outlines potential conservation and utilization
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FOR USE IN AGROECOSYSTEM IMPROVEMENT IN SEMI-ARID AREAS WITH A FOCUS ON CENTRAL ANATOLIA, TURKEY

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 568-582 doi: 10.15302/J-FASE -2019270

Abstract: Increasing arboreal vegetation in these areas through agroforestry is an important strategy to conserveCasuarina have been evaluated for their potential use in agroecosystem improvement in semi-arid areas

Keywords： actinorrhizal trees / agroforestry / climate change / ecosystem restoration    

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Recent development of vibration utilization engineering

WEN Bangchun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 1-9 doi: 10.1007/s11465-008-0017-2

Abstract: The utilization of vibration and wave, which was developed during the latter half of the 20th centuryIn this paper, vibration utilization is classified into linear or non-linear vibrations, waves, and electric-magneticSome research results about vibration utilization engineering are described.

Keywords： utilization engineering     non-linear     vibration     vibration utillization     utillization engineering    

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government investment for air pollution control in city clusters: A case from the Beijing–Tianjin–Hebei areas

Frontiers of Engineering Management   Pages 612-624 doi: 10.1007/s42524-023-0269-x

Abstract: Air pollution poses a significant threat to human health, particularly in urban areas with high levelsSpecifically, we focused on the Beijing–Tianjin–Hebei areas as a case study, as the investment primarilytargeted industrial activities in urban areas with the goal of improving living conditions for urban

Keywords： investment efficiency     government investment     air pollution control     three-stage DEA-Malmquist model    

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Title Author Date Type Operation

Approach for natural gas to be a primary energy source in China

Weihe HUANG, Jindian CHEN, Chuan FU, Yan HUANG

Journal Article

Technology System of Offshore Carbon Capture, Utilization, and Storage

Li Jianghui, Li Pengchun, Li Yanzun, Tong Feng

Journal Article

Highlights of special issue on ‘Agriculture in Water-Limited Areas’

Pute WU

Journal Article

A data envelopment analysis of agricultural technical efficiency of Northwest Arid Areas in China

Yubao WANG, Lijie SHI, Haojie ZHANG, Shikun SUN

Journal Article

Local and regional contributions to PM in the Beijing 2022 Winter Olympics infrastructure areas during

Journal Article

Advanced purification and comprehensive utilization of yellow phosphorous off gas

Ping NING,Xiangyu WANG

Journal Article

Development and Challenges of Antarctic Marine Protected Areas

Fu Yu

Journal Article

Assessment of metals in dry-toilet collected matters from suburban areas of Ulaanbaatar, Mongolia, using

Xuan LIU,Zifu LI,Eric BOSC,Heinz-Peter MANG

Journal Article

Integrated river basin management in rapidly urbanizing areas: a case of Shenzhen, China

Lei LIU, Xiaoming MA

Journal Article

The Exploration and Practice of the Development of Green Eco-Urban Areas in Guangzhou International Financial

Jia-meng Chen,Peng Liu

Journal Article

Methodologies for chemical utilization of CO

Liangnian HE, Ya Du, Chengxia MIAO, Jinquan WANG, Xiaoyong DOU, Ying WU

Journal Article

CROP PROTECTION OPENS UP NEW ERA OF CONSERVATION AND UTILIZATION OF GREEN OPTIONS

Journal Article

FOR USE IN AGROECOSYSTEM IMPROVEMENT IN SEMI-ARID AREAS WITH A FOCUS ON CENTRAL ANATOLIA, TURKEY

Journal Article

Recent development of vibration utilization engineering

WEN Bangchun

Journal Article

government investment for air pollution control in city clusters: A case from the Beijing–Tianjin–Hebei areas

Journal Article