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Prediction of high-density polyethylene pyrolysis using kinetic parameters based on thermogravimetric

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1606-3

Abstract:

● Reducting the sampling frequency can enhance the modelling process.

Keywords： HDPE     Pyrolysis     Kinetics     Thermogravimetric     ANOVA     Artificial neural network    

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Synthesis of aluminum nanoparticles as additive to enhance ignition and combustion of high energy density

Xiu-Tian-Feng E, Lei Zhang, Fang Wang, Xiangwen Zhang, Ji-Jun Zou

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 358-366 doi: 10.1007/s11705-018-1702-2

Abstract:

High energy density fuels are critical for hypersonic aerospace propulsion but suffer from difficultiesThis research reports aluminum nanoparticles (Al NPs) assisted ignition and combustion of high energydensity JP-10 fuel.This work demonstrates the potential of Al NPs as ignition and combustion additive for high energy density

Keywords： aluminum nanoparticles     combustion     ignition     shock tube test     high energy density fuel    

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Metal-based direct hydrogen generation as unconventional high density energy

Shuo XU, Jing LIU

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 27-53 doi: 10.1007/s11708-018-0603-x

Abstract: Metals are unconventional hydrogen production materials which are of high energy densities.

Keywords： metal     hydrogen generation     hydrolysis     metal water reaction     clean energy    

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Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1267-1279 doi: 10.1007/s11705-022-2291-7

Abstract: to the huge steric hindrance caused by the hydrogenated phenanthrene ring structure, the cross-link densitygood self-healing properties, excellent heat resistance (Td = 352 °C) as well as highstructure of rosin was introduced into the side chain in order to avoid the reduction of cross-link density

Keywords： vitrimers     rosin     catalyst-free     high mechanical properties     dynamic transesterification reaction    

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Review on cellulose paper-based electrodes for sustainable batteries with high energy densities

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1010-1027 doi: 10.1007/s11705-023-2307-y

Abstract: Recent advances and approaches to construct high mass loading paper electrodes toward high energy density

Keywords： cellulose     paper electrodes     Li-ion batteries     high energy density    

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The Physical Characteristic of the High Energy Density and the Chemical Explosions and Discussion on

Zhou Fengjun

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 45-51

Abstract:

Based on results of radiate-hydrodynamic and TNT charge hydrodynamic blast wave calculations, the physical characteristic in close- in and distance regions of two kinds of explosions and the development of different blast wave systems are studied. Some important conclusions for protection engineering are obtained. Also, flood wave disasters due to two kind explosions are discussed and great meaning of protection engineering for flood wave are described.

Keywords： high energy density explosion     chemical explosion     shock wave     flood wave    

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Detection of genomic signatures for pig hairlessness using high-density SNP data

Ying SU,Yi LONG,Xinjun LIAO,Huashui AI,Zhiyan ZHANG,Bin YANG,Shijun XIAO,Jianhong TANG,Wenshui XIN,Lusheng HUANG,Jun REN,Nengshui DING

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 4,   Pages 307-313 doi: 10.15302/J-FASE-2014039

Abstract: Hair provides thermal regulation for mammals and protects the skin from wounds, bites and ultraviolet (UV) radiation, and is important in adaptation to volatile environments. Pigs in nature are divided into hairy and hairless, which provide a good model for deciphering the molecular mechanisms of hairlessness. We conducted a genomic scan for genetically differentiated regions between hairy and hairless pigs using 60K SNP data, with the aim to better understand the genetic basis for the hairless phenotype in pigs. A total of 38405 SNPs in 498 animals from 36 diverse breeds were used to detect genomic signatures for pig hairlessness by estimating between-population ( ) values. Seven diversifying signatures between Yucatan hairless pig and hairy pigs were identified on pig chromosomes (SSC) 1, 3, 7, 8, 10, 11 and 16, and the biological functions of two notable genes, and were revealed. When Mexican hairless pigs were contrasted with hairypigs, strong signatures were detected on SSC1 and SSC10, which harbor two functionally plausible genes, and . KEGG pathway analysis showed a subset of overrepresented genes involved in the T cell receptor signaling pathway, MAPK signaling pathway and the tight junction pathways. All of these pathways may be important in local adaptability of hairless pigs. The potential mechanisms underlying the hairless phenotype in pigs are reported for the first time. and are interesting candidate genes for the hairless phenotype in Yucatan hairless and Mexico hairless pigs, respectively. , , and as well as other genes involved in the MAPK and T cell receptor signaling pathways may be important in environmental adaption by improved tolerance to UV damage in hairless pigs. These findings improve our understanding of the genetic basis for inherited hairlessness in pigs.

Keywords： hairlessness     pig     selective sweeping    

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Efficient, high-resolution topology optimization method based on convolutional neural networks

Liang XUE, Jie LIU, Guilin WEN, Hongxin WANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 80-96 doi: 10.1007/s11465-020-0614-2

Abstract: Topology optimization is a pioneer design method that can provide various candidates with high mechanicalHowever, high resolution is desired for optimum structures, but it normally leads to a computationallyHigh computational efficiency is achieved with a pooling strategy that can balance the number of finiteTypical examples show that the high-resolution topology optimization method using SRCNN demonstratesexcellent applicability and high efficiency when used for 2D and 3D problems with arbitrary boundary

Keywords： topology optimization     convolutional neural network     high resolution     density-based    

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Review on design, preparation and performance characterization of gelled fuels for advanced propulsion

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 819-837 doi: 10.1007/s11705-021-2122-2

Abstract: With the increasing demand for high-performance and safe fuels in aerospace propulsion systems, gelledtheir unique structure, gelled fuels exhibit the advantages of both solid and liquid fuels, such as highenergy density, controllable thrust and storage safety.The composition, preparation process and gelation mechanism of gelled high-energy-density fuels are described

Keywords： gelled fuels     high-energy-density fuels     rheological properties     atomization     combustion    

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porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors with highenergy density

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 387-394 doi: 10.1007/s11705-022-2250-3

Abstract: Porous carbons with high specific area surfaces are promising electrode materials for supercapacitorsThe volatile nature of zinc at high temperatures gives the carbons a large specific surface area andMoreover, the symmetric supercapacitors deliver high energy/power densities of 49.8 W∙h∙kg–1

Keywords： self-activation     zinc organic salts     abundant mesopores     symmetric supercapacitor     liquid electrolyte    

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CC@BCN@PANI core-shell nanoarrays as ultra-high cycle stability cathode for Zn-ion hybrid supercapacitors

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 555-566 doi: 10.1007/s11708-023-0882-8

Abstract: Exploring cathode materials that combine excellent cycling stability and high energy density poses aboron-carbon-nitrogen (BCN) nanoarray on carbon cloth surface is prepared as advanced cathode materials via simple high-temperaturePANI-based ZHSCs exhibit superior electrochemical performances showing a specific capacity of 145.8 mAh/g, a highenergy density of 116.78 Wh/kg, an excellent power density of 12 kW/kg, and a capacity retention rateof 86.2% after 8000 charge/discharge cycles at a current density of 2 A/g.

Keywords： CC@BCN@PANI cathode     Zn-ion hybrid supercapacitor     core-shell nanoarrays     high energy density     ultra-high    

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Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 569-584 doi: 10.1007/s11708-023-0875-7

Abstract: to be the “Holy Grail” among all anode materials for next-generation Li-based batteries due to its high) composite Li metal anode could tackle the above problems to some extent by reducing local current densityIn spite of their effectiveness, these procedures bring multiple complex processing steps, high temperature

Keywords： battery     three-dimensional (3D) composite Li metal anode     mechanical modification     reducing local current density    

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Exploration for the Synthesis Route of Superior High Energy Density Materials (SHEDM)

Yu Yongzhong

Strategic Study of CAE 1999, Volume 1, Issue 2,   Pages 91-94

Abstract:

The development of high explosives could be reviewed as TNT, RDX, and HMX as three historical stagesimprovement of the weapon systems in the next century, it is necessary to search and develop the superior highenergy density materials, and it would be some quite new classes of substance.

Keywords： HEDM     nitrogen cluster     nitrogen polymer    

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First-Principles Methods in the Investigation of the Chemical and Transport Properties of Materials under Extreme Conditions Review

John S. Tse

Engineering 2019, Volume 5, Issue 3,   Pages 421-433 doi: 10.1016/j.eng.2019.01.008

Abstract:

Earth is a dynamic system. The thermodynamics conditions of Earth vary drastically depending on the depth, ranging from ambient temperature and pressure at the surface to 360 GPa and 6600 K at the core. Consequently, the physical and chemical properties of Earth's constituents (e.g., silicate and carbonate minerals) are strongly affected by their immediate environment. In the past 30 years, there has been a tremendous amount of progress in both experimental techniques and theoretical modeling methods for material characterization under extreme conditions. These advancements have elevated our understanding of the properties of minerals, which is essential in order to achieve full comprehension of the formation of this planet and the origin of life on it. This article reviews recent computational techniques for predicting the behavior of materials under extreme conditions. This survey is limited to the application of the first-principles molecular dynamics (FPMD) method to the investigation of chemical and thermodynamic transport processes relevant to Earth Science.

Keywords： High pressure     High temperature     Earth mantle     Molecular dynamics     Density functional method     Transport    

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Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1399-1

Abstract:

• With the same charge, current density had little effect on As(III)

Keywords： Electrocoagulation     Air cathode     Arsenic     Current density     Energy consumption    

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Title Author Date Type Operation

Prediction of high-density polyethylene pyrolysis using kinetic parameters based on thermogravimetric

Journal Article

Synthesis of aluminum nanoparticles as additive to enhance ignition and combustion of high energy density

Xiu-Tian-Feng E, Lei Zhang, Fang Wang, Xiangwen Zhang, Ji-Jun Zou

Journal Article

Metal-based direct hydrogen generation as unconventional high density energy

Shuo XU, Jing LIU

Journal Article

Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Journal Article

Review on cellulose paper-based electrodes for sustainable batteries with high energy densities

Journal Article

The Physical Characteristic of the High Energy Density and the Chemical Explosions and Discussion on

Zhou Fengjun

Journal Article

Detection of genomic signatures for pig hairlessness using high-density SNP data

Ying SU,Yi LONG,Xinjun LIAO,Huashui AI,Zhiyan ZHANG,Bin YANG,Shijun XIAO,Jianhong TANG,Wenshui XIN,Lusheng HUANG,Jun REN,Nengshui DING

Journal Article

Efficient, high-resolution topology optimization method based on convolutional neural networks

Liang XUE, Jie LIU, Guilin WEN, Hongxin WANG

Journal Article

Review on design, preparation and performance characterization of gelled fuels for advanced propulsion

Journal Article

porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors with highenergy density

Journal Article

CC@BCN@PANI core-shell nanoarrays as ultra-high cycle stability cathode for Zn-ion hybrid supercapacitors

Journal Article

Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries

Journal Article

Exploration for the Synthesis Route of Superior High Energy Density Materials (SHEDM)

Yu Yongzhong

Journal Article

First-Principles Methods in the Investigation of the Chemical and Transport Properties of Materials under Extreme Conditions

John S. Tse

Journal Article

Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Journal Article