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Evaluation of activated sludge properties’ changes in industrial-wastewater pre-treatment: role of residual

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1675-3

Abstract:

● Medium poly Al salts dominated the PAC residual salts with a rational dosage.

Keywords： Coagulation/flocculation     Hydroxyl-aluminum     Hydrolysis reaction     Reactor performance     Activated sludge property     Surface properties    

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Research progress of aluminium alloy automotive sheet and application technology

Ma Mingtu,You Jianghai,Lu Hongzhou,Wang Zhiwen

Strategic Study of CAE 2010, Volume 12, Issue 9,   Pages 4-20

Abstract:

Pre-treatment technology was deeply discussed to explain its importance

Keywords： automobile lightweiting     aluminium alloy     mechanical property     formability     pre-treatment technology     stress    

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Review and prospect of the air cushion furnace technology for aluminium alloy automotive sheet pre-treatment

Li Yong,Wang Zhaodong,Ma Mingtu,Wang Guodong,Fu Tianliang and Li Jiadong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 14-22

Abstract:

First，the process characteristics of aluminium alloy automotive sheet pre-treatment and the workingBased on the research status of the air cushion furnace，the key technology of it was analysed，and research

Keywords： aluminum alloy     auto body sheet     shate products     air cushion furnace     pretreatment technology    

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Simultaneous harvesting and cell disruption of microalgae using ozone bubbles: optimization and characterization study for biodiesel production

Wan N. A. Kadir, Man K. Lam, Yoshimitsu Uemura, Jun W. Lim, Peck L. Kiew, Steven Lim, Siti S. Rosli, Chung Y. Wong, Pau L. Show, Keat T. Lee

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1257-1268 doi: 10.1007/s11705-020-2015-9

Abstract: It was observed that the microalgae cells aggregated to form flocs after pre-treated with ozone due toFinally, utilization of recycled culture media after ozonation pre-treatment showed robust growth of

Keywords： microalgae     biodiesel     ozonation     pre-treatment     lipid    

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Research on heat treatment process of 6016 aluminum alloy

Zhang Junping,Jin Qingsheng and Ma Mingtu

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 103-107

Abstract:

Research on heat treatment process of 6016 aluminum alloy has been carried out by means of hardnessThe hardness of alloy initially decreases and then increases with pre- aging time increase when pre-The higher the temperature of pre- aging，the bigger the decrease value of hardness will be.The heat treatment process of 6016 alloy satisfying the demand of outer panel property is：540 ℃×20 min solution treatment + 120 ℃×10 min preaging.

Keywords： 6016 alloy     solution treatment     pre-aging treatment     bake-hardening    

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Research on the key technology of level pre-assembly of steel tower segments

Zhang Yongli,Gu Bifeng

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 48-52

Abstract:

In this paper, we researched the key technology of the level pre-assemblyof Taizhou Bridge steel tower, proposed the principle of the pre-assembly process in the complex structureLevel pre-assembly of steel tower fills the technology gaps in China and provides a strong basis forthe follow-up complex steel tower pre-assembled program.

Keywords： steel tower     level pre-assembly     support control     apply level force    

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Occurance and control of manganese in a large scale water treatment plant

Youjun CHEN,Feng XIAO,Yongkang LIU,Dongsheng WANG,Ming YANG,Hua BAI,Jiong ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 66-72 doi: 10.1007/s11783-014-0637-1

Abstract: dissolved oxygen (DO), manganese (Mn), pH, and their effect on manganese removal by different water treatmentThe different water treatment processes exhibited different efficiency on manganese removal.

Keywords： manganese release     dissolved oxygen     settling filtration     pre-oxidation    

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Recent advances in membrane bioreactor technology for wastewater treatment in China

Xia HUANG, Kang XIAO, Yuexiao SHEN

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 245-271 doi: 10.1007/s11783-010-0240-z

Abstract: China in the early 1990s, remarkable progress has been achieved on the research and application of this technologystatistics of large-scale MBR plants (>10000 m·d) are provided, and the growth trend of total treatment

Keywords： membrane bioreactor (MBR)     municipal wastewater treatment     industrial wastewater treatment     membrane fouling    

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Emergency drinking water treatment in source water pollution incident-technology and practice in China

Xiaojian ZHANG , Chao CHEN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 364-368 doi: 10.1007/s11783-009-0027-2

Abstract: An investigation into emergency potable water treatment technologies was conducted to investigate ChinaAbout 100 contaminants were tested to find the emergency treatment technologies, most of which were found

Keywords： emergency drinking water treatment     water pollution     adsorption     oxidation     precipitation    

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Utilizing big data to build personalized technology and system of diagnosis and treatment in traditional

Baoyan Liu

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 272-278 doi: 10.1007/s11684-014-0364-9

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Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 376-382 doi: 10.1007/s11709-010-0086-2

Abstract: Pre-tensioned high strength trusses using alloy steel bar are widely used as glass wall supporting systemsvarious effects, such as support settlement due to live loads and material creep, temperature change, pre-tension

Keywords： tension system     glass wall     nonlinear analysis     pre-tensioning     second-order analysis    

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Membrane bioreactors for hospital wastewater treatment: recent advancements in membranes and processes

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 634-660 doi: 10.1007/s11705-021-2107-1

Abstract: Thus, effective treatment of hospital wastewater is an urgent task for sustainable development.In particular, membrane bioreactor (MBR) technology demonstrated high removal efficiency toward organicHowever, there is a lack of reviews on the latest advancement in MBR technologies for hospital wastewater treatment

Keywords： membrane technology     membrane bioreactor     hospital wastewater     hybrid MBR     integrated MBR-membrane system    

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A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 367-372 doi: 10.1007/s11465-015-0367-5

Abstract:

For a repetitive command path, pre-compensating the contouring error by modifying the command pathTo obtain the pre-compensation value with better accuracy, this paper proposes the use of a back propagationFurthermore, by using the extracted function, the contouring error can be easily pre-compensated.

Keywords： contouring error     pre-compensation     motion control system     back propagation (BP) neural network    

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Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 411-428 doi: 10.1007/s11709-023-0928-3

Abstract: In this study, ultrahigh-performance fiber-reinforced concrete (UHPFRC) used in a type B70 concrete sleeper is investigated experimentally and parametrically. The main parameters investigated are the steel fiber volume fractions (0%, 0.5%, 1%, and 1.5%). Under European standards, 35 UHPFRC sleepers are subjected to static bending tests at the center and rail seat sections, and the screw on the fastening system is pulled out. The first cracking load, failure load, failure mode, crack propagation, load–deflection curve, load–crack width, and failure load from these tests are measured and compared with those of a control sleeper manufactured using normal concrete C50. The accuracy of the parametric study is verified experimentally. Subsequently, the results of the study are applied to UHPFRC sleepers with different concrete volumes to investigate the effects of the properties of UHPFRC on their performance. Experimental and parametric study results show that the behavior of UHPFRC sleepers improves significantly when the amount of steel fiber in the mix is increased. Sleepers manufactured using UHPFRC with a steel fiber volume fraction of 1% and a concrete volume less than 25% that of standard sleeper B70 can be used under the same loads and requirements, which contributes positively to the cost and surrounding environment.

Keywords： pre-stressed concrete sleeper     ultrahigh performance fiber-reinforced concrete     pull-out test     static    

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Investigation into viability of using two-stage (pre-placed aggregate) concrete in Irish setting

John O’MALLEY, Hakim S. ABDELGADER,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 127-132 doi: 10.1007/s11709-010-0007-4

Abstract: Two-stage (pre-placed aggregate) concrete (TSC) consists of coarse aggregate, which is first deposited

Keywords： grout     pre-placed     concrete     two-stage concrete (TSC)    

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Title Author Date Type Operation

Evaluation of activated sludge properties’ changes in industrial-wastewater pre-treatment: role of residual

Journal Article

Research progress of aluminium alloy automotive sheet and application technology

Ma Mingtu,You Jianghai,Lu Hongzhou,Wang Zhiwen

Journal Article

Review and prospect of the air cushion furnace technology for aluminium alloy automotive sheet pre-treatment

Li Yong,Wang Zhaodong,Ma Mingtu,Wang Guodong,Fu Tianliang and Li Jiadong

Journal Article

Simultaneous harvesting and cell disruption of microalgae using ozone bubbles: optimization and characterization study for biodiesel production

Wan N. A. Kadir, Man K. Lam, Yoshimitsu Uemura, Jun W. Lim, Peck L. Kiew, Steven Lim, Siti S. Rosli, Chung Y. Wong, Pau L. Show, Keat T. Lee

Journal Article

Research on heat treatment process of 6016 aluminum alloy

Zhang Junping,Jin Qingsheng and Ma Mingtu

Journal Article

Research on the key technology of level pre-assembly of steel tower segments

Zhang Yongli,Gu Bifeng

Journal Article

Occurance and control of manganese in a large scale water treatment plant

Youjun CHEN,Feng XIAO,Yongkang LIU,Dongsheng WANG,Ming YANG,Hua BAI,Jiong ZHANG

Journal Article

Recent advances in membrane bioreactor technology for wastewater treatment in China

Xia HUANG, Kang XIAO, Yuexiao SHEN

Journal Article

Emergency drinking water treatment in source water pollution incident-technology and practice in China

Xiaojian ZHANG , Chao CHEN ,

Journal Article

Utilizing big data to build personalized technology and system of diagnosis and treatment in traditional

Baoyan Liu

Journal Article

Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Journal Article

Membrane bioreactors for hospital wastewater treatment: recent advancements in membranes and processes

Journal Article

A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Journal Article

Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete

Journal Article

Investigation into viability of using two-stage (pre-placed aggregate) concrete in Irish setting

John O’MALLEY, Hakim S. ABDELGADER,

Journal Article