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Effects of humic acid fractions with different polarities on photodegradation of 2,4-D in aqueous environments

YU Chunyan, QUAN Xie, OU Xiaoxia, CHEN Shuo

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 291-296 doi: 10.1007/s11783-008-0049-1

Abstract: UV-vis absorption and Fourier transform infrared spectroscopy (FTIR) analysis show that the fractionsThis could be attributed to the different absorption intensity of the four HAs fractions in the order

Keywords： polarity     photodegradation     different absorption     UV-vis absorption     FTIR    

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Experimental studies on the influence of porosity on membrane absorption process

GAO Jian, REN Zhongqi, ZHANG Zeting, ZHANG Weidong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 385-389 doi: 10.1007/s11705-007-0070-0

Abstract: Eight kinds of flat membranes with different micro-structures were chosen to carry out the membrane absorptionmembrane pores shape (stretched pore and cylinder pore) and membrane thickness do not affect the membrane absorptionprocess, and the membrane porosity has only little influence on membrane absorption process for slowHowever, the influence of porosity on the membrane absorption process became visible for fast mass transferThe results show that the influence of membrane porosity on mass transfer relates to flow condition, absorption

Keywords： de-ionized     · L     different     membrane porosity     CO    

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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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Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 169-177 doi: 10.1007/s11708-018-0527-5

Abstract: The collector efficiency of a direct absorption solar collector (DASC) is very sensitive to optical propertiesof the working fluid, such as absorption and scattering coefficients.metal, however, the scattering cross-section of metallic nanoparticles could be comparable to their absorptionperformance if the scattering coefficient of nanofluid is carefully engineered depending on its value of the absorption

Keywords： direct absorption solar collector     plasmonic nanofluid     light scattering    

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Performance analysis of solar absorption-subcooled compression hybrid refrigeration system in subtropical

Xiangyang YE,Liming LIU,Zeyu LI

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 185-192 doi: 10.1007/s11708-017-0452-z

Abstract: Solar absorption-subcooled compression hybrid refrigeration system is a new type of efficient and economicaland a program written by Fortran has been used to analyze the performance of the hybrid system under differentAs the condensation temperature ranges from 38°C to 50°C, the working time fraction of the absorptionThe average COP of the absorption subsystem is improved from 0.366 to 0.407.Moreover, the working time fraction of the absorption subsystem decreases from 80% to 71.7%.

Keywords： solar     absorption-subcooled     compression hybrid     dynamic simulation     performance analysis    

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Effect of fine solid particles on absorption rate of gaseous CO

LU Sumin, MA Youguang, SHEN Shuhua, ZHU Chunying

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 368-372 doi: 10.1007/s11705-008-0067-3

Abstract: The influence of the properties of solid particles in slurry on the absorption of CO in the slurry wasThe absorption experiments were carried out in three different slurries consisting of water, cyclohexaneThe experimental results show that the active carbon particles could enhance the absorption rate of gaseousHowever, it was observed that the active alumina and silica gel particles could enhance the absorptionThese phenomena indicate that the solid particles, which could enhance the gaseous CO absorption rate

Keywords： constant     influence     soybean     solvent     concentration    

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Improving retrieval precision of NO

Jinpeng YANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 92-96 doi: 10.1007/s11465-009-0001-5

Abstract: The NO density error retrieved by the traditional method of differential optical absorption spectroscopy

Keywords： absorption structure     low-frequency structure     absorption cross-section     NO2 density    

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optimization of 1,3-dimethylimidazolylium dimethylphosphate-water binary mixture for a single effect absorption

Gorakshnath TAKALKAR, Ahmad K. SLEITI

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 521-535 doi: 10.1007/s11708-021-0720-9

Abstract: The energy and exergy analyses of the absorption refrigeration system (ARS) using H O-[mmim][DMP] mixture

Keywords： ionic liquid driven absorption cycle     H2O-[mmim][DMP]     coefficient of performance (COP)     exergy    

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A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 77-83 doi: 10.1007/s11708-010-0022-0

Abstract: district heating systems with cogeneration, a district heating system is presented in this paper based on absorptionin the cogeneration system named Co-ah cycle, which means that the cogeneration system is based on absorption, the temperature of return water of primary heat network is reduced to about 25°C through the absorptionof the cogeneration plant, return water is heated orderly by the exhaust steam in the condenser, the absorption

Keywords： cogeneration     district heating     absorption heat exchange     Co-ah cycle    

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Improved rate-based modeling of carbon dioxide absorption with aqueous monoethanolamine solution

Stefania MOIOLI, Laura A. PELLEGRINI, Simone GAMBA, Ben LI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 123-131 doi: 10.1007/s11705-014-1415-0

Abstract: and simulation of a post-combustion carbon dioxide capture in a coal-fired power plant by chemical absorption

Keywords： Absorption     carbon dioxide capture     rate-based model     monoethanolamine scrubbing    

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Design of efficient Pt-based electrocatalysts through characterization by X-ray absorption spectroscopy

Nebojsa S. MARINKOVIC, Kotaro SASAKI, Radoslav R. ADZIC

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 236-244 doi: 10.1007/s11708-017-0487-1

Abstract: method is described to determine the internal structure of electrocatalyst nanoparticles by X-ray absorptionspectroscopic technique typically utilizing synchrotron radiation as the source measures changes in the X-ray absorption

Keywords： X-ray absorption spectroscopy     EXAFS     XANES     nanocatalysts     core shell    

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Effect of fiber hybridization on energy absorption and synergy in concrete

Ahmadreza RAMEZANI, Mohammad Reza ESFAHANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1338-1349 doi: 10.1007/s17009-019-0558-2

Abstract: attempt has been made to scrutinize the properties of HFRC with the main concentration being on energy absorptionAccordingly, a total of 180 specimens, representing 20 different mixtures have been cast and evaluatedFurthermore, synergy associated with the combination of fibers at different stages of deflection of the

Keywords： hybrid fiber-reinforced concrete     synergy     toughness     steel fibers     polypropylene fibers    

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Numerical study of a hybrid absorption-compression high temperature heat pump for industrial waste heat

Zhiwei MA, Huashan BAO, Anthony Paul ROSKILLY

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 503-509 doi: 10.1007/s11708-017-0515-1

Abstract: The present paper aims at exploring a hybrid absorption-compression heat pump (HAC-HP) to upgrade and

Keywords： absorption compression     high temperature heat pump     efficiency     industrial waste heat     thermodynamic analysis    

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Experimental study on the temperature dependence of ultraviolet absorption cross-sections of sulfur dioxide

ZHANG Shiliang, ZHOU Jie, CHEN Xiaohu

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 183-186 doi: 10.1007/s11708-008-0025-2

Abstract: The discrete absorption cross-section is directly correlated with the number of quantum excited fromThe absorption cross-sections at the peaks of discrete bands decreased linearly with the increase ofThe absorption cross-section peaks decreased linearly when the temperature increased from 298 to 415Another distinctive feature of sulfur dioxide absorption spectra in the above two spectral regions wasRed and blue shifts were not found at the absorption peak positions.
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Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 414-436 doi: 10.1007/s11708-017-0507-1

Abstract: In the first part, different absorption heat pump cycles are classified and introduced.Absorption heat pumps for heat amplification and absorption heat transformer for temperature upgradingIn the second part, different working pairs, including the water based working pairs, ammonia based workingIn the third part, the applications of the absorption heat pump and absorption heat transformer for wasteheat reuse in different industries are introduced.

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

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Title Author Date Type Operation

Effects of humic acid fractions with different polarities on photodegradation of 2,4-D in aqueous environments

YU Chunyan, QUAN Xie, OU Xiaoxia, CHEN Shuo

Journal Article

Experimental studies on the influence of porosity on membrane absorption process

GAO Jian, REN Zhongqi, ZHANG Zeting, ZHANG Weidong

Journal Article

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

Hanbin Zheng, Christine Picard, Serge Ravaine

Journal Article

Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Journal Article

Performance analysis of solar absorption-subcooled compression hybrid refrigeration system in subtropical

Xiangyang YE,Liming LIU,Zeyu LI

Journal Article

Effect of fine solid particles on absorption rate of gaseous CO

LU Sumin, MA Youguang, SHEN Shuhua, ZHU Chunying

Journal Article

Improving retrieval precision of NO

Jinpeng YANG

Journal Article

optimization of 1,3-dimethylimidazolylium dimethylphosphate-water binary mixture for a single effect absorption

Gorakshnath TAKALKAR, Ahmad K. SLEITI

Journal Article

A district heating system based on absorption heat exchange with CHP systems

Lin FU, Yan LI, Yi JIANG, Shigang ZHANG,

Journal Article

Improved rate-based modeling of carbon dioxide absorption with aqueous monoethanolamine solution

Stefania MOIOLI, Laura A. PELLEGRINI, Simone GAMBA, Ben LI

Journal Article

Design of efficient Pt-based electrocatalysts through characterization by X-ray absorption spectroscopy

Nebojsa S. MARINKOVIC, Kotaro SASAKI, Radoslav R. ADZIC

Journal Article

Effect of fiber hybridization on energy absorption and synergy in concrete

Ahmadreza RAMEZANI, Mohammad Reza ESFAHANI

Journal Article

Numerical study of a hybrid absorption-compression high temperature heat pump for industrial waste heat

Zhiwei MA, Huashan BAO, Anthony Paul ROSKILLY

Journal Article

Experimental study on the temperature dependence of ultraviolet absorption cross-sections of sulfur dioxide

ZHANG Shiliang, ZHOU Jie, CHEN Xiaohu

Journal Article

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Journal Article