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Efficiency evaluation of government investment for air pollution control in city clusters: A case fromthe Beijing–Tianjin–Hebei areas in China

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 urbanTherefore, in addition to promoting investment strategies at the individual city level, it is crucialenhance coordination and cooperation among cities to improve the investment efficiency of the entire city

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

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Soil Organic Carbon Changes in City Areas of China Over the Past Three Decades: Implications for Achieving

Zhenrui Zhang, Xinghui Xia, Zhifeng Yang

Engineering 2023, Volume 28, Issue 9,   Pages 11-15 doi: 10.1016/j.eng.2022.04.014

Keywords： China     city areas     THE AUTHORS.Published     behalf     Company     Engineering     Education Press     Academy     carbon changes    

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

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 inthe Starting Area of Guangzhou International Financial City with an emphasis on the core role of comprehensiveresearch, 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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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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Innovation Ecosystem for Green Smart City Building in China

Jin Chen

Frontiers of Engineering Management 2015, Volume 2, Issue 4,   Pages 325-330 doi: 10.15302/J-FEM-2015058

Abstract: Green Smart City (GSC), is one of the new types of cities which integrates eco-concepts and information

Keywords： green smart city     resource     innovation ecosystem building    

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Co-infection of HIV and parasites in China: Results from an epidemiological survey in rural areas ofFuyang city, Anhui province, China

Li-Guang TIAN MPH, Jia-Xu CHEN PhD, Yu-Chun CAI BM, Jian GUO MPH, Xiao-Mei TONG, Qin LIU DVM, Xiao-Nong ZHOU PhD, Tian-Ping WANG PhD, Xiao-Mei YIN, Wei-Duo WU, Li ZHOU, Feng-Feng WANG, Zhen-Li WANG MSc, Guo-Jin CHENG, Peter STEINMANN PhD, Lan-Hua LI MSc,

Frontiers of Medicine 2010, Volume 4, Issue 2,   Pages 192-198 doi: 10.1007/s11684-010-0039-0

Abstract: The aim of this study was to investigate epidemiological characteristics of co-infection of HIV and intestinal parasites in a HIV/AIDS highly endemic area in China. A cross-sectional survey was carried out in two villages where HIV/AIDS prevalence in residents was over 1%. Stool samples of all residents in the two targeted villages were examined for the presence of intestinal parasites. Blood examination was performed for the HIV infection detection and anemia test. A questionnaire survey was carried out in all residents participating in the study. A total of 769 individuals were enrolled in the investigation, 720 of whom were involved in stool examination of intestinal parasites. The infection rates of parasites in the residents of the targeted villages were as follows: 0.56% for , 4.03% for Hookworm, 0.28% for , 0.42% for , 21.39% for , 3.89% for , 1.67% for spp., 4.44% for spp., and no infection for . The overall infection rate of intestinal worms was 4.72%, intestinal parasite infection rate was 24.31%, the anemia prevalence rate was 34.68%, the co-infection rate of HIV and intestinal helminthes 2.17%, the co-infection rate of HIV and intestinal protozoa 28.26%, of which the co-infection rates of HIV and , and HIV and spp. were 19.57% and 13.04%, respectively. A significant difference of spp. infection rate was found between HIV-positive group (13.04%) and HIV-negative group (4.70%) (<0.05). Higher prevalence of anemia (34.68%) occurred in the study villages, particularly in children (>50%) and women (>39%). It was concluded that the infection rate of intestinal protozoa in the residents was higher than that of intestinal helminthes in the local setting, and a same pattern appeared in the co-infection rate of HIV and parasites. An interesting finding is that the infection rate of spp. among the HIV-positives was significantly higher than that in the HIV-negatives, and children and women had higher anemia prevalence.

Keywords： human immunodeficiency virus (HIV)     acquired immunodeficiency syndrome (AIDS)     co-infection     intestinal parasites     helminthes     protozoa     China    

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The development of roadside green swales in the Chinese Sponge City Program: Challenges and opportunities

Frontiers of Engineering Management   Pages 566-581 doi: 10.1007/s42524-023-0267-z

Abstract: Roadside green swales have emerged as popular stormwater management infrastructure in urban areas, servingwitnessed a surge in the adoption of roadside green swales, especially as part of the prestigious Sponge City

Keywords： grass swale     infiltration swale     bioswale     wet swale     sponge city    

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Investigation and practice of digital city to smart city

Li Chengming,Liu Xiaoli

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 4-7

Abstract: style="text-align: justify;">First of all, the necessity of the authentic, unique and universal digital cityFinally, the construction goal and contents of spatiotemporal framework in the smart city stage were

Keywords： digital city     smart city     cloud platform of spatiotemporal information    

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China’s Sponge City construction: A discussion on technical approaches

Haifeng Jia, Zheng Wang, Xiaoyue Zhen, Mike Clar, Shaw L. Yu

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0984-9

Abstract: Since 2014, China has been implementing the Sponge City Construction initiative, which represents anAccording to preliminary estimates, the total investment on the Sponge City Plan is roughly 100 to 150The Sponge City Plan (SCP) calls for the use of natural processes such as soil and vegetation as partSeveral key recommendations are proposed on Sponge City implementation strategy, Site-specific regulatoryresearch and development with the vast amount of relevant data and experiences generated from the Sponge City

Keywords： Low impact development (LID)     Green infrastructure (GI)     Sponge City     Barriers     Construction strategies    

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Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 746-755 doi: 10.1007/s11783-013-0551-y

Abstract: oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) for a representative hypothetical city(RH city) in China, which is a devised and scaled city using statistical characteristics of urban circumstancesCompared with the representative hypothetical city of 2000, urban population and the area of urban builtThanks to the development of urban drainage systems, the total loads of the city were maintained at a

Keywords： substance flow analysis (SFA)     urban drainage system     representative hypothetical city (RH city)     water    

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Prevalence and causes of air pollution and lung cancer in Xuanwei City and Fuyuan County, Yunnan Province

Yi Cao, Huaping Gao

Frontiers of Medicine 2012, Volume 6, Issue 2,   Pages 217-220 doi: 10.1007/s11684-012-0192-8

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Basic Formulas for Solving Ten Major Difficulties Amid City Development and the Doctrine of NonspecificCity Centre

Dong Guoliang

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 7-13

Abstract:

Ten major difficulties facing city's sustained development are summarized, including too muchBased on every basic formulas, a new unimpeded city mode is sublimated from many complex city mode schemesthe new mode in introduced, the ten major difficulties will be solved in an all-round way, and the cityFor the sustainable developing city pattern, the centre position should not be locked at a certain placeThat is the doctrine of nonspecific city centre.

Keywords： city     sustainable development     traffic     the doctrine of nonspecific city centre    

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Low Impact Development and Sponge City Construction for Urban Stormwater Management

Haifeng Jia, Shaw L. Yu, Huapeng Qin

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0989-4

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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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Title Author Date Type Operation

Efficiency evaluation of government investment for air pollution control in city clusters: A case fromthe Beijing–Tianjin–Hebei areas in China

Journal Article

Soil Organic Carbon Changes in City Areas of China Over the Past Three Decades: Implications for Achieving

Zhenrui Zhang, Xinghui Xia, Zhifeng Yang

Journal Article

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

Jia-meng Chen,Peng Liu

Journal Article

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

Pute WU

Journal Article

Innovation Ecosystem for Green Smart City Building in China

Jin Chen

Journal Article

Co-infection of HIV and parasites in China: Results from an epidemiological survey in rural areas ofFuyang city, Anhui province, China

Li-Guang TIAN MPH, Jia-Xu CHEN PhD, Yu-Chun CAI BM, Jian GUO MPH, Xiao-Mei TONG, Qin LIU DVM, Xiao-Nong ZHOU PhD, Tian-Ping WANG PhD, Xiao-Mei YIN, Wei-Duo WU, Li ZHOU, Feng-Feng WANG, Zhen-Li WANG MSc, Guo-Jin CHENG, Peter STEINMANN PhD, Lan-Hua LI MSc,

Journal Article

The development of roadside green swales in the Chinese Sponge City Program: Challenges and opportunities

Journal Article

Investigation and practice of digital city to smart city

Li Chengming,Liu Xiaoli

Journal Article

China’s Sponge City construction: A discussion on technical approaches

Haifeng Jia, Zheng Wang, Xiaoyue Zhen, Mike Clar, Shaw L. Yu

Journal Article

Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Journal Article

Prevalence and causes of air pollution and lung cancer in Xuanwei City and Fuyuan County, Yunnan Province

Yi Cao, Huaping Gao

Journal Article

Basic Formulas for Solving Ten Major Difficulties Amid City Development and the Doctrine of NonspecificCity Centre

Dong Guoliang

Journal Article

Low Impact Development and Sponge City Construction for Urban Stormwater Management

Haifeng Jia, Shaw L. Yu, Huapeng Qin

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