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Parameter for judging reactivity of coal and coke

HE Hongzhou, LUO Zhongyang, CEN Kefa

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 354-358 doi: 10.1007/s11708-008-0052-z

Abstract: To eliminate the judgment error of char reactivity arising from different carbon content of samples,The reactivity of different kinds of coal, the reactivity of the same coal type with different lithotype, and the reactivity of the char with different carbon conversion rates were checked by using the specificspecific maximum weight loss rate can be used as a commonality parameter to evaluate and distinguish the reactivity

Keywords： thermogravimetric analysis     specific maximum     different lithotype     experiment     TGA experiment    

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Effects of different types of biochar on the properties and reactivity of nano zero-valent iron in soil

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1388-4

Abstract:

• Biochar enhanced the mobility and stability of zero-valent iron nanoparticles.

Keywords： Nano zero-valent iron     Biochar     BDE209     Transport     Soil    

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Nanostructure and reactivity of soot from biofuel 2,5-dimethylfuran pyrolysis with CO

Lijie ZHANG, Kaixuan YANG, Rui ZHAO, Mingfei CHEN, Yaoyao YING, Dong LIU

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 292-306 doi: 10.1007/s11708-020-0658-3

Abstract: This paper investigated the nanostructure and oxidation reactivity of soot generated from biofuel 2,5The oxidation reactivity of these samples was explored by a thermogravimetric analyzer (TGA).Furthermore, the oxidation reactivity of different soot samples decreased in the ranking of 50% CO additionThe result further confirmed the close relationship between soot nanostructure and oxidation reactivity

Keywords： 2     5-dimethylfuran pyrolysis     soot     CO2 addition     nanostructure     reactivity    

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Effect of pressure on gasification reactivity of three Chinese coals with different ranks

Chunyu LI, Jiantao ZHAO, Yitian FANG, Yang WANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 385-393 doi: 10.1007/s11705-010-0501-1

Abstract: Results show that the char gasification reactivity increases with increasing partial pressure.

Keywords： coal     gasification     pressure     reaction order     shrinking core model    

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Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 840-849 doi: 10.1007/s11783-015-0781-2

Abstract: To investigate the effect of Fe loading on NZVI reactivity, three NZVI-resin composites with different

Keywords： nanoscale zero valent iron     loading quantity     reduction     chelating resin     bromated    

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Optimizing synthesis conditions of nanoscale zero-valent iron (nZVI) through aqueous reactivity assessment

Yanlai HAN,Michael D. Y. YANG,Weixian ZHANG,Weile YAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 813-822 doi: 10.1007/s11783-015-0784-z

Abstract: Although a multitude of synthesis approaches have been proposed, a facile method to screen the reactivityThe results confirm that the reductive reactivity of nZVI is most sensitive to the initial concentrationSolution mixing speed, in contrast, carries a relative small weight on the reactivity of nZVI.The reactivity assays investigated in this study can facilitate screening of candidate materials or optimization

Keywords： iron nanoparticles     nanoscale iron particles (nZVI)     synthesis     characterization     Cu(II) reduction     nitrate reduction    

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Using hybrid models to predict blood pressure reactivity to unsupported back based on anthropometric

Gurmanik KAUR,Ajat Shatru ARORA,Vijender Kumar JAIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6,   Pages 474-485 doi: 10.1631/FITEE.1400295

Abstract: system (ANFIS), and the least squares support vector machine (LS-SVM) model for the prediction of BP reactivityclearly that a PCA-based LS-SVM (PCA-LS-SVM) model is a promising approach for the prediction of BP reactivity

Keywords： Blood pressure (BP)     Principal component analysis (PCA)     Forward stepwise regression     Artificial neural network (ANN)     Adaptive neuro-fuzzy inference system (ANFIS)     Least squares support vector machine (LS-SVM)    

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Effect of temperature on Lu’an bituminous char structure evolution in pyrolysis and combustion

Yandi ZHANG, Yinhe LIU, Xiaoli DUAN, Yao ZHOU, Xiaoqian LIU, Shijin XU

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 14-25 doi: 10.1007/s11708-020-0805-x

Abstract: , coal structure evolution will be affected by the ash behavior, which will further affect the char reactivityFurthermore, the constantly increasing pyrolysis temperature also caused the reactivity of char decrease

Keywords： bituminous char     pyrolysis     ash     structure evolution     reactivity    

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Reactivity of Pyrogenic Carbonaceous Matter (PCM) in mediating environmental reactions: Current knowledge

Wenqing Xu, Mark L. Segall, Zhao Li

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1265-6

Abstract: In this account, we reviewed the recently discovered reactivity of PCM in promoting both chemical andTo understand what properties of PCM confer its reactivity, our group pioneered the use of PCM-like polymersAs a result, the relationship between specific characteristics of PCM and its reactivity in facilitating

Keywords： pyrogenic carbonaceous matter     Conjugated microporous polymer     remediation     Biochar     Hydrolysis     Pollutant degradation    

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Behavior of aqueous stable colloidal nano-C

Jing HUO,Ye YU,Ling GE,Bo ZHANG,Yiliang HE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 197-205 doi: 10.1007/s11783-014-0624-6

Abstract: C , as one of carbon nanomaterials widely used in various fields, could be released into the water environment thus exerting some potential health risks to human beings. This work examined the behavior of aqueous stable colloidal nano-C (nC ) aggregates under different environmental conditions including Polyethylene glycol octylphenol ether (TX100) micelles concentration, pH, and reaction time when exposed to TX100 micelles. Results show that the nC aggregates became more dispersive and restored the capability of generating the singlet oxygen when exposed to TX100 micelles. With the increase of TX100 concentration, smaller average size of nC aggregates was observed in dynamic light scattering (DLS) analysis, the fluorescence intensity of TX100 was more quenched by nC aggregates, and the kinetic rate constant of generating the singlet oxygen for nC aggregates was improved. The mean size of nC aggregates in the presence of TX100 had no obvious variations when the pH ranged from 4 to 8. The longer reaction time between nC aggregates and TX100 led to a higher kinetic rate constant of generating the singlet oxygen. Collective data suggest that variations in physicochemical properties of nC aggregates are strongly dependent on the surrounding media under different environmental conditions and directly govern nC ’s transport behavior and potential toxicity.

Keywords： nano-C60 (nC60) aggregates     photochemical reactivity     artificial biological membrane    

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Dynamic simulation of a space gas-cooled reactor power system with a closed Brayton cycle

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 916-929 doi: 10.1007/s11708-021-0757-9

Abstract: If 0.4 $ reactivity is introduced into the core, the maximum temperature that the fuel can reach is 2059The results indicate that the designed GCR is inherently safe owing to its negative reactivity feedback

Keywords： gas-cooled space nuclear reactor power     closed Brayton cycle     system startup and shutdown     positive reactivity    

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The physics scheme design for In-Hospital Neutron Irradiator Mark 1 reactor loaded low enrichment fuel

Jiang Xinbiao,Zhang Wenshou,Gao Jijin,Li Yiguo,Zhou Yongmao

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 17-21

Abstract: The arrangement scheme of core, 235U enrichment, control rods' value, excess reactivity

Keywords： IHNI-1 reactor     boron neutron capture therapy     reactivity    

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Reactivity of triacetone triperoxide and diacetone diperoxide: Insights from nuclear Fukui function

Matthew J. SWADLEY, Panpan ZHOU, Tonglei LI

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 114-123 doi: 10.1007/s11705-015-1507-5

Abstract: To explain this reactivity difference, we analyzed the electronic structures and properties of the crystals

Keywords： nuclear Fukui function     electronic perturbation     Hellmann-Feynman force     organic crystals     unimolecular decomposition    

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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： temperature     Earth mantle     Molecular dynamics     Density functional method     Transport properties     Chemical reactivity    

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Synthesis of haptens and production of antibodies to bisphenol A

Xiya ZHANG, Xiaoyun DONG, Sijun ZHAO, Yuebin KE, Kai WEN, Suxia ZHANG, Zhanhui WANG, Jianzhong SHEN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 366-372 doi: 10.15302/J-FASE-2017132

Abstract: and this optimal polyclonal antibody was highly sensitive toward BPA and displayed negligible cross-reactivity

Keywords： bisphenol A     cross-reactivity     hapten     indirect competitive ELISA     polyclonal antibody    

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Title Author Date Type Operation

Parameter for judging reactivity of coal and coke

HE Hongzhou, LUO Zhongyang, CEN Kefa

Journal Article

Effects of different types of biochar on the properties and reactivity of nano zero-valent iron in soil

Journal Article

Nanostructure and reactivity of soot from biofuel 2,5-dimethylfuran pyrolysis with CO

Lijie ZHANG, Kaixuan YANG, Rui ZHAO, Mingfei CHEN, Yaoyao YING, Dong LIU

Journal Article

Effect of pressure on gasification reactivity of three Chinese coals with different ranks

Chunyu LI, Jiantao ZHAO, Yitian FANG, Yang WANG

Journal Article

Effect of Fe loading quantity on reduction reactivity of nano zero-valent iron supported on chelating

Jialu SHI,Shengnan YI,Chao LONG,Aimin LI

Journal Article

Optimizing synthesis conditions of nanoscale zero-valent iron (nZVI) through aqueous reactivity assessment

Yanlai HAN,Michael D. Y. YANG,Weixian ZHANG,Weile YAN

Journal Article

Using hybrid models to predict blood pressure reactivity to unsupported back based on anthropometric

Gurmanik KAUR,Ajat Shatru ARORA,Vijender Kumar JAIN

Journal Article

Effect of temperature on Lu’an bituminous char structure evolution in pyrolysis and combustion

Yandi ZHANG, Yinhe LIU, Xiaoli DUAN, Yao ZHOU, Xiaoqian LIU, Shijin XU

Journal Article

Reactivity of Pyrogenic Carbonaceous Matter (PCM) in mediating environmental reactions: Current knowledge

Wenqing Xu, Mark L. Segall, Zhao Li

Journal Article

Behavior of aqueous stable colloidal nano-C

Jing HUO,Ye YU,Ling GE,Bo ZHANG,Yiliang HE

Journal Article

Dynamic simulation of a space gas-cooled reactor power system with a closed Brayton cycle

Journal Article

The physics scheme design for In-Hospital Neutron Irradiator Mark 1 reactor loaded low enrichment fuel

Jiang Xinbiao,Zhang Wenshou,Gao Jijin,Li Yiguo,Zhou Yongmao

Journal Article

Reactivity of triacetone triperoxide and diacetone diperoxide: Insights from nuclear Fukui function

Matthew J. SWADLEY, Panpan ZHOU, Tonglei LI

Journal Article

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

John S. Tse

Journal Article

Synthesis of haptens and production of antibodies to bisphenol A

Xiya ZHANG, Xiaoyun DONG, Sijun ZHAO, Yuebin KE, Kai WEN, Suxia ZHANG, Zhanhui WANG, Jianzhong SHEN

Journal Article