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Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1430-6

Abstract:

• UV-vis absorption analyzer was applied in drainage type online recognition

Keywords： Drainage online recognition     UV-vis spectra     Derivative spectrum     Convolutional neural network    

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Theoretical Study of Color Gamut of Higher Plant Leaves

Cheng Xiaofang,Dong Jinyi,Fan Xueliang,Ding Jinlei

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 66-69

Abstract: CIE1931 chromaticity coordinates of the chlorophylls and cartotenoids obtained from their classical absorption

Keywords： higher plant     pigment     absorption spectra     chromaticity coordinate     color gamut    

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Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 129-141 doi: 10.1007/s11709-007-0014-2

Abstract: The assumption and problem of the mode-superposition response spectrum method in seismic design code is discussed based on a brief review of the development of the seismic design method for building structures. The scope of application for the classical damping theory is analyzed and the necessity of the research on mode-superposition method for non-classical damping is presented. The progresses on the mode superposition response spectrum theory are discussed. This includes: 1) the complex mode superposition method (in real form) for the non-classically damped linear system and the general calculation formula for the application of code; 2) the complex complete quadratic combination (CCQC) method for the non-classically damped linear system, which is based on the same assumptions as in deducing the complete quadratic combination (CQC) method which is popularly used in seismic design codes of many countries; 3) the complex complete quadratic combination with three components (CCQC3) method, which is a generalization of the CCQC method to the case of multi-components and multiple-support seismic excitations and deducing corresponding method; 4) the approach for calculation of seismic response of the non-classically damped system with overcritical damping and the calculation method of seismic response for the linear system with multiple eigenvalues; 5) the time-dependent CCQC (t) algorithm considering nonstationary earthquake ground motion; 6) an applied and effective method to solve the low order complex vector basis for the large linear non-classically damped system, which can be expediently used in practice to avoid the unknown errors coming from the forced uncoupling method; 7) bringing forward the concept of partial quadratic combination in order to reduce the calculation amount of CQC and CCQC methods, and studying the primary estimation-criterion. The reasonability and applicable scope of these methods are also briefly discussed in this paper.

Keywords： generalization     classical damping     mode-superposition response     calculation formula     damping theory    

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Droplet spectra and high-speed wind tunnel evaluation of air induction nozzles

Qing TANG, Liping CHEN, Ruirui ZHANG, Min XU, Gang XU, Tongchuan YI, Bin ZHANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 442-454 doi: 10.15302/J-FASE-2017169

Abstract: Droplet size spectra were measured for four air induction nozzles (IDK-120-01, IDK-120-02, IDK-120-03

Keywords： air induction nozzle     wind tunnel     aerial spray     droplet size spectra    

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A fast antibiotic detection method for simplified pretreatment through spectra-based machine learning

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1472-9

Abstract:

• A spectral machine learning approach is proposed for predicting mixed antibiotic.

Keywords： Antibiotic contamination     Spectral detection     Machine learning    

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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 economicalAs 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.However, when the temperature of the absorption increases from 36°C to 48°C, the average COP of hybridMoreover, 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 absorption

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

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Title Author Date Type Operation

Online recognition of drainage type based on UV-vis spectra and derivative neural network algorithm

Journal Article

Theoretical Study of Color Gamut of Higher Plant Leaves

Cheng Xiaofang,Dong Jinyi,Fan Xueliang,Ding Jinlei

Journal Article

Development of a seismic design method based on response spectra for building structures

ZHOU Xiyuan, YU Ruifang

Journal Article

Droplet spectra and high-speed wind tunnel evaluation of air induction nozzles

Qing TANG, Liping CHEN, Ruirui ZHANG, Min XU, Gang XU, Tongchuan YI, Bin ZHANG

Journal Article

A fast antibiotic detection method for simplified pretreatment through spectra-based machine learning

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