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Effect of hierarchical ZSM-5 zeolite crystal size on diffusion and catalytic performance of n-heptane

Shuman Xu, Xiaoxiao Zhang, Dangguo Cheng, Fengqiu Chen, Xiaohong Ren

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 780-789 doi: 10.1007/s11705-018-1733-8

Abstract: The effect of the crystal size on the catalytic cracking of -heptane was investigated and the ThieleThe crystal size affected the textual properties of the catalysts but not the acidic properties of the

Keywords： hierarchical ZSM-5     crystal size     catalytic cracking     Thiele modulus     effectiveness factor    

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Recent Developments in the Crystallization Process: Toward the Pharmaceutical Industry Review

Zhenguo Gao, Sohrab Rohani, Junbo Gong, Jingkang Wang

Engineering 2017, Volume 3, Issue 3,   Pages 343-353 doi: 10.1016/J.ENG.2017.03.022

Abstract: In this paper, we review recent developments in crystal engineering and crystallization process designco-crystals, polymorphs, and solvates, and include several milestones such as the launch of the first co-crystal

Keywords： Crystallization     Crystal engineering     Polymorphism     Crystallization process design and control     Crystal sizedistribution    

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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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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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Particle Size and Crystal Phase Effects in Fischer-Tropsch Catalysts

Jin-Xun Liu, Peng Wang, Wayne Xu, Emiel J. M. Hensen

Engineering 2017, Volume 3, Issue 4,   Pages 467-476 doi: 10.1016/J.ENG.2017.04.012

Abstract: correlated with the electronic and geometric structure of the nanoparticles, which depend on the particle size

Keywords： Fischer-Tropsch synthesis     Iron     cobalt and ruthenium carbides     Size effect     Crystal structure    

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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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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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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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Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild conditions

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 772-783 doi: 10.1007/s11705-022-2280-x

Abstract: Herein, a size-controlled TS-1 zeolite (TS-1#0.1ACh (acetylcholine)) was synthesized via steam-assistedcrystallization by introducing acetylcholine as a crystal growth modifier in the preparation process

Keywords： size-controlled TS-1     crystal modifier     steam-assisted crystallization     epoxidation    

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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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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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A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 89-97 doi: 10.1007/s11708-012-0176-z

Abstract: Secondly, by combining spectrum analysis with Gregory’s theory, a multi-sub-size zone model is proposed, with which the relationship between the distribution of turbidity and the particle size distribution(PSD) can be established, and an algorithm developed to determine the distribution of turbidity.Experiments conducted in the laboratory indicate that the measured size distribution of pulverized coal

Keywords： in-line measurement     particle size distribution (PSD)     incident light intensity     particle concentration    

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Title Author Date Type Operation

Effect of hierarchical ZSM-5 zeolite crystal size on diffusion and catalytic performance of n-heptane

Shuman Xu, Xiaoxiao Zhang, Dangguo Cheng, Fengqiu Chen, Xiaohong Ren

Journal Article

Recent Developments in the Crystallization Process: Toward the Pharmaceutical Industry

Zhenguo Gao, Sohrab Rohani, Junbo Gong, Jingkang Wang

Journal Article

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

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

Particle Size and Crystal Phase Effects in Fischer-Tropsch Catalysts

Jin-Xun Liu, Peng Wang, Wayne Xu, Emiel J. M. Hensen

Journal Article

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

Shu Xueming,Zheng Kui,Yuan Hongyong,Yao Bin

Journal Article

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

Christopher BECKETT, Charles AUGARDE

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

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild conditions

Journal Article

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

Wenchao Zhang,Lin Zhang,Yan Sun

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

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Journal Article