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Study on the Formation and Elimination of Coarse Grains in Cast Steel

Zou Anquan,Deng Peiran

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 79-82

Abstract: The measures for preventing coarse grains in casts were proposed.

Keywords： cast steel     coarse grain     water explosion blast cleaning     measures of elimination    

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Achievements of the national malaria control and elimination program in the People’s Republic of China

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 85-92 doi: 10.1007/s11684-021-0917-7

Abstract: To further summarize the historical achievements and technical experiences of the elimination program, a project on the Roadmap Analysis and Verification for Malaria Elimination in China was carried outthe epidemic history, evolution process, and great achievements of the national malaria control and eliminationThe Atlas has important reference value for summing up historical experience in the national malaria eliminationprogram of China, and malaria control and elimination in other endemic countries in the world.

Keywords： malaria     transmission     control     elimination     China     atlas    

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Laboratory diagnosis for malaria in the elimination phase in China: efforts and challenges

Frontiers of Medicine 2022, Volume 16, Issue 1,   Pages 10-16 doi: 10.1007/s11684-021-0889-7

Abstract: Malaria remains a global health challenge, although an increasing number of countries will enter pre-eliminationand elimination stages.Since the launch of the China Malaria Elimination Action Plan in 2010, China has formulated clear goalsThis review summarizes the lessons about malaria diagnosis in the elimination phase, primarily includingA reference is also provided for countries experiencing malaria elimination.

Keywords： malaria     laboratory diagnosis     quality control     malaria elimination     China    

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Efficient promotion of methane hydrate formation and elimination of foam generation using fluorinated

Quan CAO, Dongyan XU, Huanfei XU, Shengjun LUO, Rongbo GUO

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 443-451 doi: 10.1007/s11708-020-0683-2

Abstract: Methane hydrate preparation is an effective method to store and transport methane. In promoters to facilitate methane hydrate formation, homogeneous surfactant solutions, sodium dodecyl sulfate (SDS) in particular, are more favorable than heterogeneous particles, thanks to their faster reaction rate, more storage capacity, and higher stability. Foaming, however, could not be avoided during hydrate dissociation with the presence of SDS. This paper investigated the ability of five fluorinated surfactants: potassium perfluorobutane sulfonate (PBS), potassium perfluorohexyl sulfonate (PHS), potassium perfluorooctane sulfonate (POS), ammonium perfluorooctane sulfonate (AOS), and tetraethylammonium perfluorooctyl sulfonate (TOS) to promote methane hydrate formation. It was found that both PBS and PHS achieve a storage capacity of 150 ( , the volume of methane that can be stored by one volume of water) within 30 min, more than that of SDS. Cationic ions and the carbon chain length were then discussed on their effects during the formation. It was concluded that PBS, PHS, and POS produced no foam during hydrate dissociation, making them promising promoters in large-scale application.

Keywords： methane hydrate     fluorinated surfactants     homogeneous promoter     foam elimination     stability    

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Current advances in the elimination of hepatitis B in China by 2030

Shuye Zhang, Fusheng Wang, Zheng Zhang

Frontiers of Medicine 2017, Volume 11, Issue 4,   Pages 490-501 doi: 10.1007/s11684-017-0598-4

Abstract:

With its 78 million chronic carriers, hepatitis B virus (HBV) infection is still one of the leading public health challenges in China. Over the last two decades, China has made great progress on the prevention of HBV transmission through national vaccination programs. Zero transmission from mother to infant has been proposed as the current goal. Available anti-HBV therapy is efficacious in suppressing HBV replication; however, it fails to completely cure patients with chronic hepatitis B and even requires lifelong treatment. To reduce the costs and improve the efficacy, several trials have been recently conducted in China to optimize the current anti-HBV managements. Novel biomarkers were identified to predict treatment outcomes, and new promising treatment strategies were developed. Reports also indicate that coinfections of HBV with other hepatotropic viruses and human immunodeficiency virus are common in China and cause severe liver diseases, which should be recognized early and treated properly. Work is still needed to eliminate hepatitis B in China by 2030.

Keywords： HBV     CHB     biomarker     functional cure     coinfection    

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Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 44-52 doi: 10.1007/s11709-012-0138-x

Abstract: Ground motion intensity measures are usually used to predict the earthquake-induced displacements inIn this study, the efficiency of various single ground motion intensity measures (scalar ) or a combination

Keywords： seismic slope displacements     intensity measures     empirical prediction    

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Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Frontiers of Structural and Civil Engineering   Pages 1428-1441 doi: 10.1007/s11709-023-0998-2

Abstract: Therefore, effective and low-cost anti-seismic engineering measures must be designed for protection.The method adopted in this study may provide significant references for designing anti-seismic measures

Keywords： intake tower     NSGA-II     mode decomposition response spectrum method     anti-seismic engineering measures    

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Unnormalized and normalized forms of gefura measures in directed and undirected networks

Raf GUNS,Ronald ROUSSEAU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 311-320 doi: 10.1631/FITEE.1400425

Abstract: Common network centrality measures do not take this structure into account.Gefura measures are designed as indicators of a node’s brokerage role between such groups.make the following new contributions to their study: (1) We systematically study unnormalized gefura measuresundirected networks as equivalent to symmetric directed networks, we expand the definition of gefura measures

Keywords： Networks subdivided in groups     Partitions     Gefura measures     Q-measures     Brokerage role     Directed and    

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Extension of pilot tests of cyanide elimination by ozone from blast furnace gas washing water through

Ismael Matino, Valentina Colla, Teresa A. Branca

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 718-730 doi: 10.1007/s11705-018-1771-2

Abstract:

For improving wastewater quality, one of the dare of steelworks is reducing cyanide in wastewater of gas washing treatment of blast furnaces. Costs of existing treatments, stringent environmental regulations and changeable composition of water from gas treatment, have led to study how available treatments can be modified and to examine new ones. Ozonation is one of cyanide treatments, tested within a European project. A process model was set up with Aspen Plus®, to assess operating conditions and wastewater distinctive characteristics and to demonstrate treatment robustness. Process was modeled by theoretical reactors, taking into account all more affecting reactions. A genetic algorithm was exploited to find kinetic parameters of these reactions. After validation, the model was used to analyse scenarios, by considering also real contexts. Pilot tests were extended, process knowledge was enhanced and suggestions were obtained. To promote cyanide removal with ozone, temperature and pH values were 30°C and 10, respectively. With an ozone (mg/h)/water (L/h) ratio of 100 mg/L, batch mode ensure reaching cyanide regulation limit (0.2 mg/L) after maximum 4.5 h, if initial amount was less than 20 mg/L. Higher removal was obtained than in continuous mode due to constraints related to this last run. Higher wastewater contamination needed further time and more ozone.

Keywords： blast furnace     cyanide removal     gas washing water     modeling and simulation     ozonation    

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Improvement to observability measures of LFO modes in power systems with DFIGs

Shenghu LI

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 539-549 doi: 10.1007/s11708-019-0617-z

Abstract: The sensitivities of the observability measures to the control parameters are derived.small and large-disturbance validate the LFO modes caused by the DFIGs, and different observability measures

Keywords： wind power system     low-frequency oscillation (LFO)     observability measure     sensitivity     doubly-fed induction generator (DFIG)    

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Impacts of advanced treatment processes on elimination of antibiotic resistance genes in a municipal

Lian Yang, Qinxue Wen, Zhiqiang Chen, Ran Duan, Pan Yang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1116-5

Abstract:

The distributions of ARGs were monitored in a WWTP in Harbin during six months.

CASS had the best removal efficacy of ARGs compared to other processes in the WWTP.

UV disinfection could effectively control the HGT.

AGAC significantly remove ARGs and organics due to its high absorption capacity.

Combination of ozone and AGAC significantly improve removal of ARGs and organics.

Keywords： Antibiotic resistance genes (ARGs)     Wastewater treatment plant (WWTP)     Ultraviolet (UV)     Ozonation     Granular activated carbon (GAC)    

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New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 301-313 doi: 10.15302/J-FEM-2016055

Abstract: Enhancing capacities in four areas and implementing the 16 measures are given for deepening oil and gas

Keywords： the Belt and Road     oil & gas cooperation     new challenges     new opportunities     new measures    

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Efficient elimination of environmental pollutants through sorption-reduction and photocatalytic degradation

Njud S. Alharbi, Baowei Hu, Tasawar Hayat, Samar Omar Rabah, Ahmed Alsaedi, Li Zhuang, Xiangke Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1124-1135 doi: 10.1007/s11705-020-1923-z

Abstract: The efficient elimination of environmental pollutants, i.e., photocatalytic degradation of persistentfocused on the recent works about the synthesis of nanomaterials and their applications in the efficient eliminationpollution management, especially for the undergraduate students to understand the recent works in the elimination

Keywords： nanomaterials     sorption-reduction     photocatalytic degradation     organic pollutants     heavy metal ions    

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Implement and Innovate Environmental Protection Measures, Promote Green Protection of Cultural Relics

Fu-qing Liang,Yong-ping Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 330-335 doi: 10.15302/J-FEM-2014055

Abstract: The subject is implementing and innovating environmental protection measures, and promoting green protection

Keywords： environmental science     the Three Gorges cultural relics     innovate environmental protection measures     green    

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The Development Situation, Future and Counter Measures of Remanufacturing Industry in China

Wen-qiang Liu,Jun-yuan Mo,Cheng-kui Gu

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 123-131 doi: 10.15302/J-FEM-2016021

Abstract: developmental trends and problems of the remanufacturing industry in China, and proposes promoting measures

Keywords： remanufacturing     industry     measures     development    

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Title Author Date Type Operation

Study on the Formation and Elimination of Coarse Grains in Cast Steel

Zou Anquan,Deng Peiran

Journal Article

Achievements of the national malaria control and elimination program in the People’s Republic of China

Journal Article

Laboratory diagnosis for malaria in the elimination phase in China: efforts and challenges

Journal Article

Efficient promotion of methane hydrate formation and elimination of foam generation using fluorinated

Quan CAO, Dongyan XU, Huanfei XU, Shengjun LUO, Rongbo GUO

Journal Article

Current advances in the elimination of hepatitis B in China by 2030

Shuye Zhang, Fusheng Wang, Zheng Zhang

Journal Article

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Journal Article

Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Journal Article

Unnormalized and normalized forms of gefura measures in directed and undirected networks

Raf GUNS,Ronald ROUSSEAU

Journal Article

Extension of pilot tests of cyanide elimination by ozone from blast furnace gas washing water through

Ismael Matino, Valentina Colla, Teresa A. Branca

Journal Article

Improvement to observability measures of LFO modes in power systems with DFIGs

Shenghu LI

Journal Article

Impacts of advanced treatment processes on elimination of antibiotic resistance genes in a municipal

Lian Yang, Qinxue Wen, Zhiqiang Chen, Ran Duan, Pan Yang

Journal Article

New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

Journal Article

Efficient elimination of environmental pollutants through sorption-reduction and photocatalytic degradation

Njud S. Alharbi, Baowei Hu, Tasawar Hayat, Samar Omar Rabah, Ahmed Alsaedi, Li Zhuang, Xiangke Wang

Journal Article

Implement and Innovate Environmental Protection Measures, Promote Green Protection of Cultural Relics

Fu-qing Liang,Yong-ping Sun

Journal Article

The Development Situation, Future and Counter Measures of Remanufacturing Industry in China

Wen-qiang Liu,Jun-yuan Mo,Cheng-kui Gu

Journal Article