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1

Thermogravimetric/mass spectrometric characterization of the thermal decomposition of (4-O-methyl-D-glucurono)-D-xylan

Ivan Šimkovic, Gabor Varhegyi, Michael J. Antal Jr., Anna Ebringerová, Tamas Szekely, Piroska Szabo

Journal:

Journal of Applied Polymer Science

Year:

1988

Language:

english

File:

PDF, 408 KB

english, 1988

2

DSC examination of alloys

Gabor Várhegyi, Geza Groma, Maria Lengyel

Journal:

Thermochimica Acta

Year:

1979

Language:

english

File:

PDF, 407 KB

english, 1979

3

The effects of heat and mass transport on the results of thermal decomposition studies: Part 2. Polystyrene, polytetrafluoroethylene and polypropylene

Tamas Szekely, Gabor Varhegyi, Ferenc Till, Piroska Szabo, Emma Jakab

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

1987

Language:

english

File:

PDF, 608 KB

english, 1987

4

Cellulose Pyrolysis Kinetics: The Current State of Knowledge

Antal, Michael Jerry Jr., Varhegyi, Gabor

Journal:

Industrial & Engineering Chemistry Research

Year:

1995

Language:

english

File:

PDF, 1.91 MB

english, 1995

5

Calculation of the Free Energy Equation Parameters from Ternary Liquid-Liquid Equilibrium Data

Varhegyi, Gabor, Eon, Claude H.

Journal:

Industrial & Engineering Chemistry Fundamentals

Year:

1977

Language:

english

File:

PDF, 428 KB

english, 1977

6

Thermogravimetric Analysis and Devolatilization Kinetics of Wood

Grønli, Morten Gunnar, Várhegyi, Gábor, Di Blasi, Colomba

Journal:

Industrial & Engineering Chemistry Research

Year:

2002

Language:

english

File:

PDF, 147 KB

english, 2002

7

Thermal Decomposition Kinetics of Woods with an Emphasis on Torrefaction

Tapasvi, Dhruv, Khalil, Roger, Várhegyi, Gábor, Tran, Khanh-Quang, Grønli, Morten, Skreiberg, Øyvind

Journal:

Year:

2013

Language:

english

File:

PDF, 4.20 MB

english, 2013

8

Do All Carbonized Charcoals Have the Same Chemical Structure? 1. Implications of Thermogravimetry−Mass Spectrometry Measurements

Mészáros, Erika, Jakab, Emma, Várhegyi, Gábor, Bourke, Jared, Manley-Harris, Merilyn, Nunoura, Teppei, Antal, Michael Jerry

Journal:

Industrial & Engineering Chemistry Research

Year:

2007

Language:

english

File:

PDF, 557 KB

english, 2007

9

Liquefaction of Cellulose in Hot Compressed Water using Sodium Carbonate: Products Distribution at Different Reaction Temperatures.

Minowa, Tomoaki, Zhen, Fang, Ogi, Tomoko, Várhegyi , Gábor

Journal:

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Year:

1997

File:

PDF, 713 KB

1997

10

Oxidation of Bismuth Tellurite, Bi2TeO5: I. Thermoanalytical and Optical Microscopic Studies

László Pöppl, István Földvári, Gábor Várhegyi

Journal:

Journal of Solid State Chemistry

Year:

2001

Language:

english

File:

PDF, 406 KB

english, 2001

11

Integration of the rate constant and linearization of the kinetic equations in non-isothermal reaction kinetics

Journal:

Thermochimica Acta

Year:

1978

Language:

english

File:

PDF, 250 KB

english, 1978

12

Kinetic evaluation of non-isothermal thermoanalytical curves in the case of independent thermal reactions

Gábor Várhegyi

Journal:

Thermochimica Acta

Year:

1979

Language:

english

File:

PDF, 661 KB

english, 1979

13

The shape of the thermoanalytical curves at hyperbolic temperature programs

Gabor Várhegyi

Journal:

Thermochimica Acta

Year:

1982

Language:

english

File:

PDF, 217 KB

english, 1982

14

Reaction kinetics in thermal analysis. Part 1. The sensitivity of kinetic equations to experimental errors. A mathematical analysis

Gábor Várhegyi, Tamás Székely

Journal:

Thermochimica Acta

Year:

1982

Language:

english

File:

PDF, 1.13 MB

english, 1982

15

The effects of imperfect temperature programming on the kinetic evaluation of thermoanalytical curves. Part 2. Concave and convex curvatures on the actual temperature—time functions

Gábor Várhegyi

Journal:

Thermochimica Acta

Year:

1982

Language:

english

File:

PDF, 441 KB

english, 1982

16

The effects of imperfect temperature programming on the kinetic evaluation of thermoanalytical curves. Part 3. Error bounds for the activation energy and the formal reaction order

Gábor Várhegyi

Journal:

Thermochimica Acta

Year:

1983

Language:

english

File:

PDF, 1.05 MB

english, 1983

17

Studies on the kinetics of the gibbsite → χ-alumina reaction

György Pokol, Gábor Várhegyi, László Várady

Journal:

Thermochimica Acta

Year:

1984

Language:

english

File:

PDF, 585 KB

english, 1984

18

Problems in the DSC and DTA study of the burning properties of fuels and other organic materials

Gábor Várhegyi, Piroska Szabó, Ferenc Till

Journal:

Thermochimica Acta

Year:

1986

Language:

english

File:

PDF, 605 KB

english, 1986

19

Software for a mass spectrometer-thermobalance system

Gábor Várhegyi, Ferenc Till, Tamás Székely

Journal:

Thermochimica Acta

Year:

1986

Language:

english

File:

PDF, 796 KB

english, 1986

20

Reaction kinetics in thermal analysis: a brief survey of fundamental research problems

Gábor Várhegyi

Journal:

Thermochimica Acta

Year:

1987

Language:

english

File:

PDF, 362 KB

english, 1987

21

Investigation of subbituminous coals by thermogravimetry-mass spectrometry: Part 2. Formation of oxygen- and sulphur-containing products. kinetics of the overall mass loss

Piroska Szabó, Gábor Várhegyi, Ferenc Till, Tamás Székely

Journal:

Thermochimica Acta

Year:

1990

Language:

english

File:

PDF, 619 KB

english, 1990

22

Investigation of subbituminous coals by thermogravimetry-mass spectrometry: Part 1. formation of hydrocarbon products

Piroska Szabó, Gábor Várhegyi, Ferenc Till, Tamás Székely

Journal:

Thermochimica Acta

Year:

1990

Language:

english

File:

PDF, 682 KB

english, 1990

23

The effects of heat and mass transport on the results of thermal decomposition studies: Part 1. The three reactions of calcium oxalate monohydrate

Tamas Szekely, Gabor Varhegyi, Ferenc Till, Piroska Szabo, Emma Jakab

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

1987

Language:

english

File:

PDF, 620 KB

english, 1987

24

Kinetics of the thermal decomposition of cellulose in sealed vessels at elevated pressures. Effects of the presence of water on the reaction mechanism

Gábor Várhegyi, Piroska Szabó, William Shu-Lai Mok, Michael Jerry Antal Jr.

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

1993

Language:

english

File:

PDF, 1.05 MB

english, 1993

25

Thermogravimetric/mass spectrometric characterization of two energy crops, Arundo donax and Miscanthus sinensis

Piroska Szabó, Gábor Várhegyi, Ferenc Till, Oscar Faix

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

1996

Language:

english

File:

PDF, 680 KB

english, 1996

26

Thermogravimetric-mass spectrometric study on the low temperature oxidation of coals

Emma Jakab, Ferenc Till, Gábor Várhegyi

Journal:

Fuel Processing Technology

Year:

1991

Language:

english

File:

PDF, 803 KB

english, 1991

27

TG/MS, Py-GC/MS and THM-GC/MS study of the composition and thermal behavior of extractive components of Robinia pseudoacacia

Erika Mészáros, Emma Jakab, Gábor Várhegyi

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

2007

Language:

english

File:

PDF, 1.14 MB

english, 2007

28

Formation of selected toxicants from tobacco under different pyrolysis conditions

Zsuzsanna Czégény, Marianne Blazsó, Gábor Várhegyi, Emma Jakab, Chuan Liu, Leonardo Nappi

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

2009

Language:

english

File:

PDF, 1.21 MB

english, 2009

29

Kinetics of cellulose pyrolysis after a pressurized heat treatment

Mingbo Wu, Gábor Várhegyi, Qingfang Zha

Journal:

Thermochimica Acta

Year:

2009

Language:

english

File:

PDF, 1013 KB

english, 2009

30

Use of histograms in computer-aided comparison of chromatograms

Gabor Varhegyi, Gabor Alexander

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 471 KB

english, 1985

31

Kinetic study of rapidly quenched Ni81P19 amorphous alloys

István Virág, László Pöppl, Gábor Várhegyi

Journal:

Thermochimica Acta

Year:

2000

Language:

english

File:

PDF, 146 KB

english, 2000

32

Kinetics of the oxidation of bismuth tellurite, Bi2TeO5: Empirical model and least squares evaluation strategies to obtain reliable kinetic information

Gábor Várhegyi, László Pöppl, István Földvári

Journal:

Thermochimica Acta

Year:

2003

Language:

english

File:

PDF, 305 KB

english, 2003

33

Computer processing of thermogravimetric-mass spectrometric and high pressure thermogravimetric data. Part 1. Smoothing and differentiation

Gábor Várhegyi, Ferenc Till

Journal:

Thermochimica Acta

Year:

1999

Language:

english

File:

PDF, 113 KB

english, 1999

34

Least squares criteria for the kinetic evaluation of thermoanalytical experiments. Examples from a char reactivity study

Gábor Várhegyi, Piroska Szabó, Emma Jakab, Ferenc Till

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

2001

Language:

english

File:

PDF, 196 KB

english, 2001

35

Kinetic modeling of biomass pyrolysis

Gábor Várhegyi, Michael Jerry Antal Jr., Emma Jakab, Piroska Szabó

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

1997

Language:

english

File:

PDF, 988 KB

english, 1997

36

Book review

Gábor Várhegyi, László Beda

Journal:

Journal of Thermal Analysis and Calorimetry

Year:

1994

Language:

english

File:

PDF, 226 KB

english, 1994

37

Calculation of kinetic parameters and sequence distribution from pyrolysis gas chromatographic data of styrene-methyl acrylate copolymers

Marianne Blazsó, Gábor Várhegyi

Journal:

European Polymer Journal

Year:

1978

Language:

english

File:

PDF, 351 KB

english, 1978

38

Thermal degradation and microstructure of vinyl copolymers. A mathematical model

Gábor Várhegyi, Marianne Blazsó

Journal:

European Polymer Journal

Year:

1978

Language:

english

File:

PDF, 358 KB

english, 1978

39

The effects of imperfect temperature programming on the kinetic evaluation of thermoanalytical curves. Part 1. A simple mathematical example

Gábor Várhegyi

Journal:

Thermochimica Acta

Year:

1982

Language:

english

File:

PDF, 634 KB

english, 1982

40

Kinetics of the thermal decomposition of cellulose under the experimental conditions of thermal analysis. Theoretical extrapolations to high heating rates

Gábor Várhegyi, Piroska Szabó, Michael J. Antal Jr

Journal:

Biomass and Bioenergy

Year:

1994

Language:

english

File:

PDF, 157 KB

english, 1994

41

Aims and methods in non-isothermal reaction kinetics

Gábor Várhegyi

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

2007

Language:

english

File:

PDF, 975 KB

english, 2007

42

Tobacco pyrolysis. Kinetic evaluation of thermogravimetric–mass spectrometric experiments

Gábor Várhegyi, Zsuzsanna Czégény, Emma Jakab, Kevin McAdam, Chuan Liu

Journal:

Journal of Analytical and Applied Pyrolysis

Year:

2009

Language:

english

File:

PDF, 939 KB

english, 2009

43

Is the Broido-Shafizadeh Model for Cellulose Pyrolysis True?

Varhegyi, Gabor, Jakab, Emma, Antal, Michael Jerry

Journal:

Year:

1994

Language:

english

File:

PDF, 1023 KB

english, 1994

44

Numerical differentiation of experimental data

Gábor Várhegyi

Journal:

Information Processing Letters

Year:

1973

Language:

english

File:

PDF, 244 KB

english, 1973

45

Kinetics of the thermal decomposition of cellulose, hemicellulose, and sugarcane bagasse

Varhegyi, Gabor, Antal, Michael J., Szekely, Tamas, Szabo, Piroska

Journal:

Year:

1989

Language:

english

File:

PDF, 871 KB

english, 1989

46

Correlation between heating values and thermogravimetric data of sewage sludge, herbaceous crops and wood samples

Zoltán Sebestyén, Ferenc Lezsovits, Emma Jakab, Gábor Várhegyi

Journal:

Journal of Thermal Analysis and Calorimetry

Year:

2012

Language:

english

File:

PDF, 786 KB

english, 2012

47

Productive and parasitic pathways in dilute acid-catalyzed hydrolysis of cellulose

Mok, William S., Antal, Michael J., Varhegyi, Gabor

Journal:

Industrial & Engineering Chemistry Research

Year:

1992

Language:

english

File:

PDF, 1.58 MB

english, 1992

48

Electrical and Physical Properties of Carbonized Charcoals

Mochidzuki, Kazuhiro, Soutric, Florence, Tadokoro, Katsuaki, Antal, Michael Jerry, Tóth, Mária, Zelei, Borbála, Várhegyi, Gábor

Journal:

Industrial & Engineering Chemistry Research

Year:

2003

Language:

english

File:

PDF, 269 KB

english, 2003

49

Review of methods for improving the yield of charcoal from biomass

Antal, Michael Jerry, Mok, William S. L., Varhegyi, Gabor, Szekely, Tamas

Journal:

Year:

1990

Language:

english

File:

PDF, 543 KB

english, 1990

50

Thermogravimetric and Reaction Kinetic Analysis of Biomass Samples from an Energy Plantation

Mészáros, Erika, Várhegyi, Gábor, Jakab, Emma, Marosvölgyi, Béla

Journal:

Year:

2004

Language:

english

File:

PDF, 229 KB

english, 2004

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