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Structure creation in earthen construction materials: information from dry soil mixtures

Christopher BECKETT, Charles AUGARDE

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 151-159 doi: 10.1007/s11709-011-0109-7

Abstract: There is increasing interest in the use of earthen construction materials, such as rammed earth, due to their inherent sustainability. These materials have been used by man for thousands of years and some of the earliest examples can be found in China. Features of the structures of these materials arise from the means of production. In particular, in situ earthen construction materials exhibit strong anisotropy due to their layered nature. A more subtle structure effect arises from the way that the earth mixture is deposited. This paper reviews and discusses stratification effects in dry soil mixtures, including some original experimental work, and indicates some links between the features of the dry mixtures and earthen construction materials. Improved understanding of the physical processes in play will allow more accurate specification of these materials in the future, and hence spread their use.

Keywords： rammed earth     stratification     particle size distribution     pore size distribution    

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The size distribution of airborne bacteria and human pathogenic bacteria in a commercial composting plant

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1356-4

Abstract:

•Bacterial concentrations from eight stages were 104–105copies/m3.

Keywords： Size distribution     Airborne bacteria     Biological diversity     Human pathogenic bacteria     Composting plants    

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Influence of pore size and membrane surface properties on arsenic removal by nanofiltration membranes

Nathalie Tanne, Rui Xu, Mingyue Zhou, Pan Zhang, Xiaomao Wang, Xianghua Wen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1105-8

Abstract: itemcontent>

Rejection of arsenate had no relationship with membrane poresize.

Keywords： Arsenate     Nanofiltration     Drinking water     Membrane property     Membrane fouling    

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Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 60-64 doi: 10.1007/s11705-013-1313-x

Abstract: However, the control of particle size distribution (PSD) and shape of Au nanoparticles is too difficultMoreover, in single-jet and double-jet, the mean size of the obtained Au particles increases with the

Keywords： reduction crystallization     particle size distribution     gene transferring media    

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Soot size distribution in lightly sooting premixed flames of benzene and toluene

Wang LIU, Jiaqi ZHAI, Baiyang LIN, He LIN, Dong HAN

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 18-26 doi: 10.1007/s11708-020-0663-6

Abstract: The evolution of particle size distribution function (PSDF) of soot in premixed flames of benzene andThe PSDFs of all the test flames exhibited a bimodal distribution, i.e., a small-size nucleation modeand a large-size accumulation mode.residence times, the PSDFs of the two flames were similar, and the toluene flame showed a larger particle sizedistribution range and a higher particle volume fraction than the benzene flame.

Keywords： premixed flame     soot     particle size distribution function     benzene     toluene    

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A comparative study of particle size distribution from two oxygenated fuels and diesel fuel

Xiaoyan SHI, Kebin HE, Jie ZHANG, Yongliang MA, Yunshan GE, Jianwei TAN,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 30-34 doi: 10.1007/s11783-010-0011-x

Abstract: Particle size and number distributions from a diesel engine fueled with oxygenated fuels and base diesel

Keywords： oxygenated fuel     diesel particulate matter     particle size distribution     biofuel    

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Study on Particle Size and Its Distribution Function of Standard Fire Smoke

Shu Xueming,Zheng Kui,Yuan Hongyong,Yao Bin

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 51-55

Abstract:

Smoke is the important parameter of fire detection, and smoke particle size and its distribution mayand its distribution of four standard fire smoke were measured by SMPS.The particle size distribution function of smoke were studied by mathematic fitting methods, and theresult of research showed that Logarithm Normal Distribution (LND) could represent the distribution offire smoke particle size.

Keywords： smoke     particle     size     distribution function    

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Preparation of a permanent magnetic hypercrosslinked resin and assessment of its ability to remove organic micropollutants from drinking water

Wei WANG,Yan MA,Qing ZHOU,Chendong SHUANG,Mancheng ZHANG,Aimin LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 96-104 doi: 10.1007/s11783-014-0724-3

Abstract: post-crosslinking reaction and found to possess a high specific surface area of 1149.7 m ·g , a small particle sizeResults showed that the reduction in adsorbent size and the enlargement in sorbent pores both acceleratedMoreover, the effect of particle size on adsorption was more significant than that of pore width.Given that the smallest particle size and the highest specific surface area were possessed by W150, it

Keywords： permanent magnetic resin     organic micropollutant     pore size     molecular size     adsorption    

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A spectrometer for measuring particle size distributions in the range of 3 nm to 10 μm

Jieqiong LIU,Jingkun JIANG,Qiang ZHANG,Jianguo DENG,Jiming HAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 63-72 doi: 10.1007/s11783-014-0754-x

Abstract: spectrometer combining electrical mobility sizing and aerodynamic sizing was developed to measure aerosol sizeIt includes three instruments which cover different size ranges (a nano scanning mobility particle sizerdistribution.Aerodynamic size distributions reported by the APS were converted to mobility size distributions by applyingDistributions measured by the RSMPS and APS were consistent in the overlap size range of 550 – 700 nm

Keywords： spectrometer     particle size distribution     electrical mobility     linear inversion     aerodynamic diameter    

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Size-controlled green synthesis of silver nanoparticles assisted by L-cysteine

Wenchao Zhang,Lin Zhang,Yan Sun

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 494-500 doi: 10.1007/s11705-015-1527-1

Abstract: A green and size-controlled synthesis of silver nanoparticles (Ag NPs) in aqueous solution with the assistanceThe size of Ag NPs decreases with the increase of L-cysteine concentration, and thus can be controlledTEM analysis shows that Ag NPs with an average size of 3 nm can be produced in the presence of 1.0 mmol/L L-cysteine, about one sixth of the size of Ag NPs obtained in the absence of L-cysteine (17 nm).

Keywords： nanoparticles     silver     L-cysteine     size distribution     synthesis    

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Analyzing the characterization of pore structures and permeability of diesel contaminated clays under

Frontiers of Structural and Civil Engineering   Pages 1264-1280 doi: 10.1007/s11709-023-0921-x

Abstract: intrusion porosimetry (MIP) and X-ray micro-computed tomography (XRμCT) were used to characterize the poreanalysis yielded consistent results; it showed that aging renders pores more spherical and isotropic and poreThis weakens the pore connectivity.aging led to the rearrangement of soil particles, tighter interparticle overlapping, and a reduction in poreThe combination of MIP and XRμCT provided a comprehensive and reliable characterization of the soil pore

Keywords： MIP     XRμCT     aging     diesel content     pore structure     permeability characteristics    

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PM10 emissions from industrial coal-fired chain-grate boilers

Xinghua Li, Junzan Han, Lei Duan

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0966-y

Abstract: low-pressure impactor, and a Dekati Low Pressure Impactor were applied to determine mass and number sizeThe mass size distribution of PM generated from coal-fired chain-grate boilers generally displays abimodal distribution that contains a submicron mode and a coarse mode.

Keywords： coal-fired chain-grate boiler     PM10     size distribution     particulate emission control devices     size-dependent collection efficiency    

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Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 162-172 doi: 10.1007/s11705-009-0267-5

Abstract: Due to the importance of the bubble behavior, the bubble size distribution must be considered in theThe population balance model (PBM) is an effective approach to predict the bubble size distribution,

Keywords： column     computational fluid dynamics     bubble breakup and coalescence     population balance model     bubble sizedistribution    

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Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using imaging technique

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 643-651 doi: 10.1007/s11709-021-0709-9

Abstract: Based on the analysis, the pore volume of 11000 µm3 was determined across the three densitiesHowever, distinct pore diameters of 15 µm for 800 kg/m3, and 20 µm for 600 and 400 kg/m

Keywords： 3D pore volume distribution     X-ray tomography     3D shape factor     heat flow    

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Catalyst particle shapes and pore structure engineering for hydrodesulfurization and hydrodenitrogenation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 897-908 doi: 10.1007/s11705-021-2127-x

Abstract: Catalyst particle shapes and pore structure engineering are crucial for alleviating internal diffusionThe effects of catalyst particle shapes (sphere, cylinder, trilobe, and tetralobe) and pore structures(pore diameter and porosity) on HDS/HDN performance at the particle scale are investigated via mathematicalAn optimal average HDS/HDN reaction rate exists as the catalyst pore diameter and porosity increase,This study provides insights into the engineering of catalyst particle shapes and pore structures for

Keywords： hydrodesulfurization     hydrodenitrogenation     particle shape     pore structure    

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Title Author Date Type Operation

Structure creation in earthen construction materials: information from dry soil mixtures

Christopher BECKETT, Charles AUGARDE

Journal Article

The size distribution of airborne bacteria and human pathogenic bacteria in a commercial composting plant

Journal Article

Influence of pore size and membrane surface properties on arsenic removal by nanofiltration membranes

Nathalie Tanne, Rui Xu, Mingyue Zhou, Pan Zhang, Xiaomao Wang, Xianghua Wen

Journal Article

Particle size distribution and shape control of Au nanoparticles used for particle gun

S. Kida, M. Ichiji, J. Watanabe, I. Hirasawa

Journal Article

Soot size distribution in lightly sooting premixed flames of benzene and toluene

Wang LIU, Jiaqi ZHAI, Baiyang LIN, He LIN, Dong HAN

Journal Article

A comparative study of particle size distribution from two oxygenated fuels and diesel fuel

Xiaoyan SHI, Kebin HE, Jie ZHANG, Yongliang MA, Yunshan GE, Jianwei TAN,

Journal Article

Study on Particle Size and Its Distribution Function of Standard Fire Smoke

Shu Xueming,Zheng Kui,Yuan Hongyong,Yao Bin

Journal Article

Preparation of a permanent magnetic hypercrosslinked resin and assessment of its ability to remove organic micropollutants from drinking water

Wei WANG,Yan MA,Qing ZHOU,Chendong SHUANG,Mancheng ZHANG,Aimin LI

Journal Article

A spectrometer for measuring particle size distributions in the range of 3 nm to 10 μm

Jieqiong LIU,Jingkun JIANG,Qiang ZHANG,Jianguo DENG,Jiming HAO

Journal Article

Size-controlled green synthesis of silver nanoparticles assisted by L-cysteine

Wenchao Zhang,Lin Zhang,Yan Sun

Journal Article

Analyzing the characterization of pore structures and permeability of diesel contaminated clays under

Journal Article

PM10 emissions from industrial coal-fired chain-grate boilers

Xinghua Li, Junzan Han, Lei Duan

Journal Article

Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Journal Article

Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using imaging technique

Journal Article

Catalyst particle shapes and pore structure engineering for hydrodesulfurization and hydrodenitrogenation

Journal Article