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Integration of microbial reductive dehalogenation with persulfate activation and oxidation (Bio-RD-PAO) for completeattenuation of organohalides

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1457-8

Abstract:

•Bio-RD-PAO can effectively and extensively remove organohalides.

Keywords： Bio-RD-PAO     Microbial reductive dehalogenation     Persulfate     Organohalide respiration     Complete attenuation    

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Micro-seismic signal propagation of low attenuation

Xiao Jian,Sun Shuting,Liu Jianzhong

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 83-87

Abstract: text-align: justify;">This article explored the possibility of spread of weak seismic signals and low attenuationpropagation medium showed a degree of elasticity，the vibration signal amplitude，just below the elastic limit attenuationis very small，showing low attenuation characteristics.

Keywords： micro-seismic     low attenuation     inelastic attenuation    

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Application of gamma-ray attenuation technology in density measurement of a slurry reactor

Jian XU, Weisheng WEI, Kai ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 486-490 doi: 10.1007/s11705-010-0509-6

Abstract: density profile of the gas-liquid-solid mixture in a slurry bubble column was measured by gamma-ray attenuationSeveral measures for improving measurement precision were presented based on the discussion on attenuationcolumn decreases with the increase of column height, which indicates that the measurement by gamma-ray attenuation

Keywords： slurry reactor     axial density distribution     gamma-ray attenuation technology    

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Attenuation mechanism of

Yuanqiang ZHENG,Yanchun SHI,Chang AN,Ruisheng LI,Dongjun LIU,Yuehua KE,Kairong MAO,Mingjuan YANG,Zeliang CHEN,Shorgan BOU

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 4,   Pages 331-340 doi: 10.15302/J-FASE-2014032

Abstract: The attenuation mechanism of these strains remains largely unknown.These data indicate that changes in some cog categories and virulence genes might result in the attenuationThese attenuation mechanisms also have implications for screening and development of new vaccine strains

Keywords： Brucella     live attenuated vaccine     attenuation     differential diagnosis    

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Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1555-2

Abstract:

• Comammox bacteria have unique physiological characteristics.

Keywords： Complete ammonia oxidizing (comammox) bacteria     Nitrogen cycle     Physiological characteristics     Wastewater    

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Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 265-270 doi: 10.1007/s11783-009-0019-2

Abstract: CoO-SnO hybrid oxides were prepared by the coprecipitation method and were used to oxidate methane (CH) in presence of oxygen. The CoO-SnO with a molar ratio of Co/(Co+Sn) at 0.75 exhibited the highest catalytic activity among all the CoO-SnO hybrid oxides. Experimental results showed that the catalysts were considerably stable in the CH combustion reaction, and were verified by X-ray photoelectron spectra (XPS). It was found that CoO was the active species, and SnO acted as a support or a promoting component in the CoO-SnO hybrid oxides. The surface area was not a major factor that affected catalytic activity. The hydrogen temperature-programmed reduction (H-TPR) results demonstrated that the interaction between cobalt and tin oxides accelerated the mobility of oxygen species of CoO-SnO, leading to higher catalytic activity.

Keywords： Co3O4-SnO2     complete oxidation     methane (CH4)    

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Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1712-2

Abstract:

● Both amorphous and crystalline silicon are completely separated from coal fly ash.

Keywords： Coal fly ash     Alkali fusion     Micro-/meso-porous Si     Zeolite MCM-48     Crystalline transformation    

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Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 472-475 doi: 10.1007/s11705-010-0525-6

Abstract: A new method, named the complete liquid-phase technology, has been applied to prepare catalysts for methanol

Keywords： methanol     slurry     ethanol     complete liquid-phase technology     CuZnAl catalyst    

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Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 450-454 doi: 10.1007/s11465-010-0105-y

Abstract: This paper theoretically and experimentally studies the existence of complete band gaps in two-dimensionalultrasonic immersion transmission technique, the overlapping transmission spectra of acoustic waves, a completeThere is a very good agreement between the experimental result and the range of frequencies of the complete

Keywords： phononic crystal     plane wave expansion (PWE) method     experimental study    

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evaluation of extinguishing concentration of superfine ammonium phosphate extinguishing agent by laser attenuation

Yin Zhiping,Liu Aihua,Pan Renming

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 90-95

Abstract: different particle sizes had been done by means of filtering and weighing method combined with laser attenuationThe fitting curves of particle concentration with laser attenuation rate and the extinguishing concentrationThe laser attenuation measurement relative errors were less when the former agent was used in experiment

Keywords： laser attenuation measurement     filtering and weighing method     superfine particle extinguishing agent    

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Nanostructured gold films exhibiting almost complete absorption of light at visible wavelengths

Hanbin Zheng, Christine Picard, Serge Ravaine

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 247-251 doi: 10.1007/s11705-018-1710-2

Abstract: Nanostructured metal surfaces have been known to exhibit properties that deviate from that of the bulk material. By simply modifying the texture of a metal surface, various unique optical properties can be observed. In this paper, we present a simple two step electrochemical process combining electrodeposition and anodization to generate black gold surfaces. This process is simple, versatile and up-scalable for the production of large surfaces. The black gold films have remarkable optical behavior as they absorb more than 93% of incident light over the entire visible spectrum and also exhibit no specular reflectance. A careful analysis by scanning electron microscopy reveals that these unique optical properties are due to their randomly rough surface, as they consist in a forest of dendritic microstructures with a nanoscale roughness. This new type of black films can be fabricated to a large variety of substrates, turning them to super absorbers with potential applications in photovoltaic solar cells or highly sensitive detectors and so on.

Keywords： nanostructuration     light absorption     coating     gold     electrodeposition     anodization    

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Experimental study on wire breakage detection by acoustic emission

Limin SUN, Ji QIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 503-509 doi: 10.1007/s11709-011-0132-8

Abstract: In the experiments, the attenuation laws of waveform amplitudes were discussed based on stress wave propagationFinally, based on the waveform attenuation laws and the linear position method, the amplitude and energyillustrated that the stress wave from different sources has a different frequency spectrum, and the amplitude attenuationfactor varied with the stress wave frequency; high frequency waves had a greater attenuation factor.and thus, the wire breakage signal can be distinguished from the other source by comparing the non-attenuation

Keywords： acoustic emission (AE)     waveform     wire breakage     attenuation factor     wave velocity    

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Research on key technology of thin seam plough complete equipment

Song Qiushuang

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 33-38

Abstract: present situation of coal mining technology, proposes the technical matters of China's coal plow completeequipment system, gives some technical solutions through analyzing and researching on key technology of complete

Keywords： complete plant of plough     directional and quantitative pushing     heterogeneous geological     selfadaptation    

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A complete modeling and simulation of DFIG based wind turbine system using fuzzy logic control

Abdelhak DIDA,Djilani BENATTOUS

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 143-154 doi: 10.1007/s11708-016-0402-1

Abstract: The current paper talks about the variable speed wind turbine generation system (WTGS). So, the WTGS is equipped with a doubly-fed induction generator (DFIG) and two bidirectional converters in the rotor open circuit. A vector control (VC) of the rotor side converter (RSC) offers independent regulation of the stator active and reactive power and the optimal rotational speed tracking in the power maximization operating mode. A VC scheme for the grid-side converter (GSC) allows an independent regulation of the active and reactive power to exchange with the grid and sinusoidal supply currents and keeps the DC-link voltage constant. A fuzzy inference system (FIS) is adopted as an alternative of the conventional proportional and integral (PI) controller to reject some uncertainties or disturbance. The performances have been verified using the Matlab/Simulink software.

Keywords： wind turbine generation system (WTGS)     doubly-fed induction generator (DFIG)     maximum power point tracking (MPPT)     vector control (VC)     fuzzy logic controller (FLC)    

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Analysis on Methods of Forming the Ideas of Creating a Completely New Product

Shi Aifen,Xie Jianhua

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 89-93

Abstract:

Starting with the requirements of the society and consumers, this article focuses on the study of the flowchart and the technique of forming the ideas of creating a completely new product. Taking the analysis of the process of forming the idea of inventing a flying machine as an example, it explores the internal law of forming the ideas of creating a completely new product.

In the course of the study, the following steps are taken： Firstly, find the main characteristics of the product designed in mind. Secondly, look for the matter which possesses these characteristics according to the implicative nature of matter-element. Thirdly, compose these elements on the basis of their internal relations and a proper principle to get a system set of matter-element. Finally, adjust, perfect and evaluate it and get the set of ideas of creating a completely new product.

Keywords： the complete new product     the idea     matter-element     the implicative nature of matter-element    

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Title Author Date Type Operation

Integration of microbial reductive dehalogenation with persulfate activation and oxidation (Bio-RD-PAO) for completeattenuation of organohalides

Journal Article

Micro-seismic signal propagation of low attenuation

Xiao Jian,Sun Shuting,Liu Jianzhong

Journal Article

Application of gamma-ray attenuation technology in density measurement of a slurry reactor

Jian XU, Weisheng WEI, Kai ZHANG

Journal Article

Attenuation mechanism of

Yuanqiang ZHENG,Yanchun SHI,Chang AN,Ruisheng LI,Dongjun LIU,Yuehua KE,Kairong MAO,Mingjuan YANG,Zeliang CHEN,Shorgan BOU

Journal Article

Research progress and prospects of complete ammonia oxidizing bacteria in wastewater treatment

Journal Article

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Journal Article

Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Journal Article

Synthesis of methanol and ethanol over CuZnAl slurry catalyst prepared by complete liquid-phase technology

Wei HUANG, Linmei YU, Wenhui LI, Zhili MA

Journal Article

Existence of complete band gaps in 2D steel-water phononic crystal with square lattice

Cunfu HE, Huanyu ZHAO, Ruiju WEI, Bin WU

Journal Article

evaluation of extinguishing concentration of superfine ammonium phosphate extinguishing agent by laser attenuation

Yin Zhiping,Liu Aihua,Pan Renming

Journal Article

Nanostructured gold films exhibiting almost complete absorption of light at visible wavelengths

Hanbin Zheng, Christine Picard, Serge Ravaine

Journal Article

Experimental study on wire breakage detection by acoustic emission

Limin SUN, Ji QIAN

Journal Article

Research on key technology of thin seam plough complete equipment

Song Qiushuang

Journal Article

A complete modeling and simulation of DFIG based wind turbine system using fuzzy logic control

Abdelhak DIDA,Djilani BENATTOUS

Journal Article

Analysis on Methods of Forming the Ideas of Creating a Completely New Product

Shi Aifen,Xie Jianhua

Journal Article