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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: It was concluded that PBS, PHS, and POS produced no foam during hydrate dissociation, making them promising

Keywords： methane hydrate     fluorinated surfactants     homogeneous promoter     foam elimination     stability    

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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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Facile strategy for carbon foam fabrication with lignin as sole feedstock and its applications

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1051-1064 doi: 10.1007/s11705-022-2248-x

Abstract: follow-up to our recent discovery of a facile strategy for directly converting lignin powder into carbon foampretreatment parameters in air can remarkably influence the formation and properties of the derived carbon foamtemperature, and residence time) were systematically investigated and a conversion mechanism into carbon foamand short residence time hindered the formation of smooth and well-connected structures in the carbon foam

Keywords： lignin     carbon foam     thermal pretreatment     solar vapor generation    

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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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Effect of IL-10 on formation of foam cell induced by ox-LDL

WANG Fei, DAI Yalei, XU Ting, XU Bo, WANG Kaifeng

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 298-302 doi: 10.1007/s11684-008-0057-3

Abstract: In this study the effects of lipopolysaccharide (LPS) and interleukin-10 (IL-10) on the formation of foamBy using an oil red O staining technique, the formation of foam cells was evaluated by lipid granulesThe foam cells were significantly increased in the presence of LPS in a dose-dependent manner.This study demonstrates that ox-LDL can cause foam cell formation from macrophages .These results indicate that inflammatory effects in blood vessels can speed up foam cell formation.

Keywords： inflammatory     presence     interleukin-10     dose-dependent     ox-LDL    

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Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Frontiers of Structural and Civil Engineering   Pages 935-947 doi: 10.1007/s11709-023-0964-z

Abstract: Extrudability is one of the most critical factors when designing three-dimensional printable foam concreteThe extrusion process likely affects the foam stability which necessitates the investigation into surfactantproperties particularly for concrete mixes with high foam contents.printed foam concrete are scarce.Fresh density tests were conducted before and after the extrusion to determine stability of the foam

Keywords： foam concrete     3D printable concrete     stability     rheology     air void microstructure    

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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 relation between coarse grain and rupture of casts was found through analyzing the formation of coarse grains and tests for eliminating coarse grains on ZG32Cr06 cast steel. The results of tests show that the coarse grains, as a results of too high casting temperature and the premature trunk opening in water explosion blast cleaning , can be eliminated by heat treatment. 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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The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2127-2143 doi: 10.1007/s11705-023-2363-3

Abstract: Foam trays with porous submerged orifices endow bubbles uniformly distributed, which are considered attractiveIn this work, the actual porous structure of the foam tray is obtained based on micro computed tomographyThis discovery exemplifies the mechanism of mass transfer intensification for foam trays and serves to

Keywords： bubble formation     porous submerged orifices     process intensification     foam tray    

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Dialdehyde cellulose nanocrystal cross-linked chitosan foam with high adsorption capacity for removal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 853-866 doi: 10.1007/s11705-022-2256-x

Abstract: Subsequently, the cationic dialdehyde cellulose nanocrystal cross-linked chitosan nanocomposite foamoptimal ratio of the cationic dialdehyde cellulose nanocrystal/chitosan (w/w) of 12/100, the resultant foam(Foam-12) possesses excellent absorption properties, such as high porosity, high content of active sitesThen, Foam-12 was applied as an eco-friendly adsorbent to remove acid red 134 (a representative of anionicThe dominant adsorption mechanism for the anionic dye adsorption is electrostatic attraction, and Foam

Keywords： chitosan foam     cellulose nanocrystals     acid red 134     adsorption    

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NiFeRuOx nanosheets on Ni foam as an electrocatalyst for efficient

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1698-1706 doi: 10.1007/s11705-023-2334-8

Abstract: electrocatalyst NiFeRuOx/NF, comprised of NiFeRuOx nanosheets grown on Ni foamThe NiFeRuOx coating around Ni foam is an anti-corrosion layer and also a critical

Keywords： NiFeRuOx nanosheets     Ni foam     electrocatalysis     overall seawater splitting     solar-driven    

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Reliability of foam posturography in assessment of postural balance in the patients with vertigo

LIU Bo, KONG Weijia

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 361-365 doi: 10.1007/s11684-008-0069-z

Abstract: As the computerized dynamic posturography, the foam posturography performed by using foam in posturographyThen, the reliability of foam posturography is critical in clinic.The foam posturography was taken on the patients with vertigo in stable state and repeated in 3 to 54 sensory conditions, such as firm surface with eyes open (T1), firm surface with eyes closed (T2), foamsurface with eyes open (T3) and foam surface with eyes closed (T4) for 30 seconds respectively.
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highly durable thiol-functionalized polyhedral oligomeric silsesquioxane based superhydrophobic melamine foam

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1247-1258 doi: 10.1007/s11705-021-2124-0

Abstract: In this study, a durable superhydrophobic/superoleophilic melamine foam was fabricated by a facile andSubsequently, the melamine foam was immersed to the solution system to form nanoaggregates on the melaminefoam surface by the Michael addition reaction in the presence of ultraviolet light.More importantly, the as-prepared melamine foam could withstand harsh conditions, such as a corrosiveDriven by gravity, the as-prepared melamine foam could efficiently separate the oil/water mixtures and

Keywords： superhydrophobic melamine foam     thiol-functionalized polyhedral oligomeric silsesquioxane     durable     oil    

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Experimental studies on the axial crash behavior of aluminum foam-filled hat sections

WANG Qing-chun, FAN Zi-jie, GUI Liang-jin, WANG Zheng-hong, FU Zi-lai

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 381-387 doi: 10.1007/s11465-006-0044-9

Abstract: Drop hammer tests were carried out to study the axial crash behavior of aluminum foam-filled hat sectionsFirst, the axial crash tests of the empty hat sections, aluminum foam and the aluminum foam-filled hatsections were carried out; then, based upon the test results, the axial crash behavior of the aluminum foam-filledIt was found that aluminum foam filling can increase the energy absorption capacities of the hat sections

Keywords： specified energy     aluminum foam-filled     energy absorption     non-filled     Drop hammer    

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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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Title Author Date Type Operation

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

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

Facile strategy for carbon foam fabrication with lignin as sole feedstock and its applications

Journal Article

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

Shuye Zhang, Fusheng Wang, Zheng Zhang

Journal Article

Effect of IL-10 on formation of foam cell induced by ox-LDL

WANG Fei, DAI Yalei, XU Ting, XU Bo, WANG Kaifeng

Journal Article

Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Journal Article

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

Zou Anquan,Deng Peiran

Journal Article

The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Journal Article

Dialdehyde cellulose nanocrystal cross-linked chitosan foam with high adsorption capacity for removal

Journal Article

NiFeRuOx nanosheets on Ni foam as an electrocatalyst for efficient

Journal Article

Reliability of foam posturography in assessment of postural balance in the patients with vertigo

LIU Bo, KONG Weijia

Journal Article

highly durable thiol-functionalized polyhedral oligomeric silsesquioxane based superhydrophobic melamine foam

Journal Article

Experimental studies on the axial crash behavior of aluminum foam-filled hat sections

WANG Qing-chun, FAN Zi-jie, GUI Liang-jin, WANG Zheng-hong, FU Zi-lai

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