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Synthesis of mono and bis-4-methylpiperidiniummethyl-urea as corrosion inhibitors for steel in acidic

Abbas TEIMOURI, Nasrin SOLTANI, Alireza Najafi CHERMAHINI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 43-50 doi: 10.1007/s11705-010-0532-7

Abstract: methylpiperidiniummethyl urea were synthesized, characterized and used as new corrosion inhibitors of mild steel in the acidic

Keywords： corrosion inhibitors     mild steel     acidic medium     theoretical studies     DFT    

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Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0869-3

Abstract: Slightly acidic solutions are a practical means of removing ammonia from air Scrubbed NH accumulatesNH removal and increased NH collection Previous research on wet scrubbers has only studied highly acidicThe objective of this study was to determine if a spray scrubber with slightly acidic and higher pH scrubbingThis study has shown that slightly acidic scrubbing solutions are a practical means of removing ammonia

Keywords： Ammonia     Spray wet scrubber     Slightly acidic scrubbing solution     Controlled pH     Removal efficiency    

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Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1456-9

Abstract:

• A ZnO-biochar hybrid composite was prepared by solvothermal-pyrolysis synthesis.

Keywords： Selectivity     Adsorption     Re(VII)     ZnO     Biochar    

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A pyrazine based metal-organic framework for selective removal of copper from strongly acidic solutions

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1633-0

Abstract:

● pz-UiO-66 was synthesized facilely by a solvothermal method.

Keywords： Pyrazine     Metal-organic frameworks     Copper removal     Strong acidity     High selectivity    

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Reasonable Rated Voltage of High and Medium Power Adjustable-Speed Drives for Energy Saving

Ma Xiaoliang

Strategic Study of CAE 2001, Volume 3, Issue 11,   Pages 80-84

Abstract:

A large amount of energy will be saved if adjustable-speed drives are adopted by high and medium power

Keywords： high and medium power     adjustable-speed drives for energy saving     reasonable rated voltage     low voltageinverters     medium voltage inverters     by-pass    

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Uncoupled state space solution to layered poroelastic medium with anisotropic permeability and compressible

Zhiyong AI, Wenze ZENG, Yichong CHENG, Chao WU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 171-179 doi: 10.1007/s11709-011-0103-0

Abstract: presents an uncoupled state space solution to three-dimensional consolidation of layered poroelastic mediumStarting from the basic equations of poroelastic medium, and introducing intermediate variables, theadjacent layers and boundary conditions, the uncoupled state space solution of a layered poroelastic mediumcompressibility of pore fluid have remarkable influence on the consolidation behavior of poroelastic medium

Keywords： uncoupled state space solution     layered poroelastic medium     three-dimensional consolidation     anisotropic    

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nsted acidic ionic liquids

Xiaomeng WANG, Mingjuan HAN, Hui WAN, Cao YANG, Guofeng GUAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 107-112 doi: 10.1007/s11705-010-0539-0

Abstract: nsted acidic ionic liquids (ILs), -methylimidazole hydrogen sulfate ([HMIm]HSO ) and -methylpyrrolidone

Keywords： br?nsted ionic liquids     model gasoline     thiophene     extraction     density functional theory    

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Improved CO

Mahboube Ghahramaninezhad, Fatemeh Mohajer, Mahdi Niknam Shahrak

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 425-435 doi: 10.1007/s11705-019-1873-5

Abstract: Afterwards, acidic hydrogen atoms in the hydroxyl groups of ZIF-91 were exchanged with lithium cations

Keywords： hard/hard structure     acidic hydrogen     ZIF-91     carbon capture     ZIF-91-OLi    

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Preparation of solar selective absorbing CuO coating for medium temperature application

HUANG Qunwu, WANG Yiping, LI Jinhua

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 256-260 doi: 10.1007/s11705-007-0046-0

Abstract: A new method of preparing CuO solar selective absorbing coating for medium temperature is presented.

Keywords： photoelectron spectroscopy     temperature     pretreatment     absorptivity     microscopy    

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Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 528-537 doi: 10.1007/s11705-020-1955-4

Abstract: Metal ions including Fe , Ca , Mg , Ni , Co and Cu are commonly found in the leaching solution of laterite-nickel ores, and the pre-removal of Fe is extremely important for the recovery of nickel and cobalt. Di(2-ethylhexyl)phosphate acid (D2EHPA) showed high extraction rate and selectivity of Fe over other metal ions. The acidity of the aqueous solution is crucial to the extraction of Fe , and the stoichiometry ratio between Fe and the extractant is 0.86:1.54. The enthalpy for the extraction of Fe using D2EHPA was 19.50 kJ/mol. The extraction of Fe was ≥99% under the optimized conditions after a three-stage solvent extraction process. The iron stripping effects of different reagents showed an order of H C O >NH HCO >HCl>NaCl>NaHCO >Na SO . The stripping of Fe was ≥99% under the optimized conditions using H C O as a stripping reagent.

Keywords： solvent extraction     iron     di(2-ethylhexyl)phosphate acid     separation    

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Frontier of continuous structural health monitoring system for short & medium span bridges and condition

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 569-604 doi: 10.1007/s11709-018-0498-y

Abstract: is becoming an important social problem to make maintenance and rehabilitation of existing short and mediumspan(10-20 m) bridges because there are a huge amount of short and medium span bridges in service inalso a continuous data collecting system designed for bridge health monitoring of mainly short and mediumIn this paper, although there are some useful monitoring methods for short and medium span bridges basedThe first is a special designed mobile loading device(vehicle) for short and medium span road bridges

Keywords： condition assessment     short & medium span bridge     structural health monitoring(SHM)     long-term data collection    

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The practice and experience of construction and management for large and medium water projects

Zhang Jiyao

Strategic Study of CAE 2011, Volume 13, Issue 8,   Pages 22-25

Abstract: expounded the duty main body, management emphasis, effective measures and successful cases of large and medium

Keywords： large and medium water projects     item management     practice and experience    

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Electrolyzed water and its application in animal houses

Weichao ZHENG,Li NI,Baoming LI

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 195-205 doi: 10.15302/J-FASE-2016109

Abstract: Slightly acidic electrolyzed water (SAEW, pH 5.0–6.5) and neutral electrolyzed water (NEW, pH 6.5–8.5

Keywords： disinfection     poultry and livestock     slightly acidic electrolyzed water     neutral electrolyzed water    

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Liquid metal as energy transportation medium or coolant under harsh environment with temperature below

Yunxia GAO, Lei WANG, Haiyan LI, Jing LIU

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 49-61 doi: 10.1007/s11708-013-0285-3

Abstract: temperature below zero centigrade are expected to be the next-generation high-performance heat transfer medium

Keywords： liquid metal     cryogenics     low melting point     thermal management     aircraft     liquid cooling     space exploration    

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Control division of agricultural non-point source pollution at medium-sized watershed scale in Southeast

HUANG Jinliang, HONG Huasheng, ZHANG Luoping

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 333-339 doi: 10.1007/s11783-008-0035-7

Abstract: paper presents the study carried out for controlling agricultural non-point source pollution (NSP) in a medium-sized
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Title Author Date Type Operation

Synthesis of mono and bis-4-methylpiperidiniummethyl-urea as corrosion inhibitors for steel in acidic

Abbas TEIMOURI, Nasrin SOLTANI, Alireza Najafi CHERMAHINI

Journal Article

Removing ammonia from air with a constant pH, slightly acidic water　spray wet scrubber using recycled

Ahmad Kalbasi Ashtari, Amir M. Samani Majd, Gerald L. Riskowski, Saqib Mukhtar, Lingying Zhao

Journal Article

Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic

Journal Article

A pyrazine based metal-organic framework for selective removal of copper from strongly acidic solutions

Journal Article

Reasonable Rated Voltage of High and Medium Power Adjustable-Speed Drives for Energy Saving

Ma Xiaoliang

Journal Article

Uncoupled state space solution to layered poroelastic medium with anisotropic permeability and compressible

Zhiyong AI, Wenze ZENG, Yichong CHENG, Chao WU

Journal Article

nsted acidic ionic liquids

Xiaomeng WANG, Mingjuan HAN, Hui WAN, Cao YANG, Guofeng GUAN

Journal Article

Improved CO

Mahboube Ghahramaninezhad, Fatemeh Mohajer, Mahdi Niknam Shahrak

Journal Article

Preparation of solar selective absorbing CuO coating for medium temperature application

HUANG Qunwu, WANG Yiping, LI Jinhua

Journal Article

Selective removal of iron(III) from highly salted chloride acidic solutions by solvent extraction using

Guoping Hu, Yue Wu, Desheng Chen, Yong Wang, Tao Qi, Lina Wang

Journal Article

Frontier of continuous structural health monitoring system for short & medium span bridges and condition

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

Journal Article

The practice and experience of construction and management for large and medium water projects

Zhang Jiyao

Journal Article

Electrolyzed water and its application in animal houses

Weichao ZHENG,Li NI,Baoming LI

Journal Article

Liquid metal as energy transportation medium or coolant under harsh environment with temperature below

Yunxia GAO, Lei WANG, Haiyan LI, Jing LIU

Journal Article

Control division of agricultural non-point source pollution at medium-sized watershed scale in Southeast

HUANG Jinliang, HONG Huasheng, ZHANG Luoping

Journal Article