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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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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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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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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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An improved fruit fly optimization algorithm for solving traveling salesman problem Article

Lan HUANG, Gui-chao WANG, Tian BAI, Zhe WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 10,   Pages 1525-1533 doi: 10.1631/FITEE.1601364

Abstract: Second, an elimination mechanism is added to FOA to increase the diversity.

Keywords： Traveling salesman problem     Fruit fly optimization algorithm     Elimination mechanism     Vision search     Operator    

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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 eliminationof different organic and inorganic pollutants from wastewater and discussed the interaction mechanismpollution 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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Optimization of centralized cooling schemes in Kongzhuang Coal Mine

Wu Jizhong,Liu Xianglai,Yao Xiangdong,Wang Jianjun

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 59-67

Abstract:

According to the cross-section layout of Kongzhuang Coal Mine shaft and mine production conditions, the paper summarized and analyzed the systems of slice ice cooling, the thermo-power glycol cooling, HEMS underground centralized cooling, and vacuum ice cooling. From the effect, investment, cooling system operating stability, thermal transportation pipe installation, quality of water, discharge of heat underground, and other comprehensive consideration of the centralized cooling plan, the suitable way of cooling the mine is only the vacuum ice cooling scheme. Meanwhile, through implementation of the project, it will fill a centralized cooling technology gap in ice making technology, ice transportation pipes, ice transportation process, pressurized air cooling, underground ice melting technology, and energy-saving technology in ice making, which is a great breakthrough in our coal mines.

Keywords： coal mine     elimination of heat disaster     centralized cooling system     vacuum ice making     scheme selection    

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Theory and method of mechanism system design

Huijun ZOU, Qinghua LIANG, Qing ZHANG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 399-411 doi: 10.1007/s11465-010-0116-8

Abstract: Conceptual design is the most critical and creative phase of design. Recently, increasing attention has been directed to supporting conceptual-level computer aided creative design and its theories and methodologies. Specifically, for conceptual design of mechanical products, this paper presents a novel function solving model for mechanical product design and highlights the importance of systematic synthesis to achieve creative design. Then it builds a framework as a function-effect-process-action- mechanisms (FEPAM) mapping process, which enables creative design on the basis of conceiving different action schemes. After that, several key points are elaborated including 1) representing and decomposition methods of functions and motion behaviors; 2) action scheme representing method based on network plan techniques; and 3) variation and creation methods based on action scheme transformations.

Keywords： mechanism system creative design     process model     function solving model     process action procedure     mechanismsknowledge base     principle of mechanism system composition    

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Formation mechanism and modeling of surface waviness in incremental sheet forming

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0679-1

Abstract: surface quality has always been a challenge for incremental sheet forming (ISF), whereas the generation mechanismIn this paper, the formation mechanism and the prediction of waviness are both investigated through experimentsengineering application, a theoretical model for waviness height is proposed based on the generation mechanismThis work is favorable for the perfection of formation mechanism and control of surface quality in ISF

Keywords： surface waviness     incremental sheet forming     numerical simulation     formation mechanism     deformation history    

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Autogenous healing mechanism of cement-based materials

Frontiers of Structural and Civil Engineering   Pages 948-963 doi: 10.1007/s11709-023-0960-3

Abstract: However, systematic research on the autogenous healing mechanism of cement-based materials is lackingScanning electron microscopy and optical microscopy were used to examine the autogenous healing mechanism

Keywords： autogenous healing     cement-based materials     healing mechanism     aggregation effect    

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Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 451-467 doi: 10.1007/s11465-021-0634-6

Abstract: A redundantly actuated parallel manipulator (RAPM) with mixed translational and rotational degrees of freedom (DOFs) is challenged for its dimensionally homogeneous Jacobian modeling and optimal design of architecture. In this paper, a means to achieve redundant actuation by adding kinematic constraints is introduced, which reduces the DOFs of the end-effector (EE). A generic dimensionally homogeneous Jacobian is developed for this type of RAPMs, which maps the generalized velocities of three points on the EE to the joint velocities. A new optimization algorithm derived from this dimensionally homogeneous Jacobian is proposed for the optimal design of this type of RAPMs. As an example, this paper presents a spatial RAPM involving linkages and cam mechanisms. This RAPM has 4 DOFs and 6 translational actuations. The linkage lengths and the position of the universal joints of the RAPM are optimized based on the dimensionally homogeneous Jacobian.

Keywords： redundant actuation     parallel manipulator     linkage–cam mechanism     Jacobian     optimal design    

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Cryogenic minimum quantity lubrication machining: from mechanism to application

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 649-697 doi: 10.1007/s11465-021-0654-2

Abstract: Second, the cooling–lubrication mechanism of CMQL and its influence mechanism on material hardness, cuttingThe effects of CMQL are systematically analyzed based on its mechanism and application form.

Keywords： cryogenic minimum quantity lubrication (CMQL)     cryogenic medium     processing mode     device application     mechanism    

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Title Author Date Type Operation

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

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

Zou Anquan,Deng Peiran

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

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

An improved fruit fly optimization algorithm for solving traveling salesman problem

Lan HUANG, Gui-chao WANG, Tian BAI, Zhe WANG

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

Optimization of centralized cooling schemes in Kongzhuang Coal Mine

Wu Jizhong,Liu Xianglai,Yao Xiangdong,Wang Jianjun

Journal Article

Theory and method of mechanism system design

Huijun ZOU, Qinghua LIANG, Qing ZHANG

Journal Article

Formation mechanism and modeling of surface waviness in incremental sheet forming

Journal Article

Autogenous healing mechanism of cement-based materials

Journal Article

Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Journal Article

Cryogenic minimum quantity lubrication machining: from mechanism to application

Journal Article