Roland Hellmann: search on Z-Library

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1

Unifying natural and laboratory chemical weathering with interfacial dissolution–reprecipitation: A study based on the nanometer-scale chemistry of fluid–silicate interfaces

Roland Hellmann, Richard Wirth, Damien Daval, Jean-Paul Barnes, Jean-Michel Penisson, Delphine Tisserand, Thierry Epicier, Brigitte Florin, Richard L. Hervig

Journal:

Chemical Geology

Year:

2012

Language:

english

File:

PDF, 1.09 MB

english, 2012

2

Albite feldspar hydrolysis to 300°C

Roland Hellmann, David A. Crepar, Ronghua Zhang

Journal:

Solid State Ionics

Year:

1989

Language:

english

File:

PDF, 1.28 MB

english, 1989

3

The albite-water system: Part II. The time-evolution of the stoichiometry of dissolution as a function of pH at 100, 200, and 300°C

Roland Hellmann

Journal:

Geochimica et Cosmochimica Acta

Year:

1995

Language:

english

File:

PDF, 3.55 MB

english, 1995

4

Fertilizer derived from alkaline hydrothermal alteration of K-feldspar: a micrometer to nanometer-scale investigation of K in secondary reaction products and the feldspar interface

Zhai, Yuanyuan, Hellmann, Roland, Campos, Andrea, Findling, Nathaniel, Mayanna, Sathish, Wirth, Richard, Schreiber, Anja, CabiÃ©, Martiane, Zeng, Qingdong, Liu, Shanke, Liu, Jianming

Journal:

Applied Geochemistry

Year:

2020

File:

PDF, 55.45 MB

2020

5

The albite-water system: Part III. Characterization of leached and hydrogen-enriched layers formed at 300°C using MeV ion beam techniques

Roland Hellmann, Jean-Claude Dran, Gianantonio Della Mea

Journal:

Geochimica et Cosmochimica Acta

Year:

1997

Language:

english

File:

PDF, 2.37 MB

english, 1997

6

IT-Sicherheit (Eine Einführung) || 2. Symmetrische Verschlüsselung

Hellmann, Roland

Year:

2018

File:

PDF, 440 KB

2018

7

The albite-water system: Part I. The kinetics of dissolution as a function of pH at 100, 200 and 300°C

Roland Hellmann

Journal:

Geochimica et Cosmochimica Acta

Year:

1994

Language:

english

File:

PDF, 2.21 MB

english, 1994

8

Linking nm-scale measurements of the anisotropy of silicate surface reactivity to macroscopic dissolution rate laws: New insights based on diopside

Daval, Damien, Hellmann, Roland, Saldi, Giuseppe D., Wirth, Richard, Knauss, Kevin G.

Journal:

Geochimica et Cosmochimica Acta

Year:

2013

Language:

english

File:

PDF, 5.56 MB

english, 2013

9

Dissolution at dislocation etch pits in quartz

Susan L. Brantley, Stephanie R. Crane, David A. Crerar, Roland Hellmann, Robert Stallard

Journal:

Geochimica et Cosmochimica Acta

Year:

1986

Language:

english

File:

PDF, 1.72 MB

english, 1986

10

The albite-water system: Part IV. Diffusion modeling of leached and hydrogen-enriched layers

Roland Hellmann

Journal:

Geochimica et Cosmochimica Acta

Year:

1997

Language:

english

File:

PDF, 1.55 MB

english, 1997

11

Influence of amorphous silica layer formation on the dissolution rate of olivine at 90 °C and elevated pCO2

Damien Daval, Olivier Sissmann, Nicolas Menguy, Giuseppe D. Saldi, François Guyot, Isabelle Martinez, Jérôme Corvisier, Bruno Garcia, Imène Machouk, Kevin G. Knauss, Roland Hellmann

Journal:

Chemical Geology

Year:

2011

Language:

english

File:

PDF, 1.36 MB

english, 2011

12

Experimental and Theoretical Investigation of the Enantiomerization of Lithium α-tert-Butylsulfonyl Carbanion Salts and the Determination of Their Structures in Solution and in the Crystal

Roland Scholz, Gunther Hellmann, Susanne Rohs, Gerhard Raabe, Jan Runsink, Diana Özdemir, Olaf Luche, Thomas Heß, Alexander W. Giesen, Juliana Atodiresei, Hans J. Lindner, Hans-Joachim Gais

Journal:

European Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 1.97 MB

english, 2010

13

IT-Sicherheit (Eine EinfÃ¼hrung) || 11. LÃ¶sungen zu den Aufgaben

Hellmann, Roland

Year:

2018

File:

PDF, 134 KB

2018

14

Enantioselective Synthesis, Configurational Stability, and Reactivity of Lithium α-tert-Butylsulfonyl Carbanion Salts

Roland Scholz, Gunther Hellmann, Susanne Rohs, Diana Özdemir, Gerhard Raabe, Cornelia Vermeeren, Hans-Joachim Gais

Journal:

European Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 1.55 MB

english, 2010

15

Rechnerarchitektur (Einführung in den Aufbau moderner Computer) || Teil 1: Grundlagen

Hellmann, Roland

Year:

2016

File:

PDF, 783 KB

2016

16

IT-Sicherheit (Eine EinfÃ¼hrung) || Stichwortverzeichnis

Hellmann, Roland

Year:

2018

File:

PDF, 58 KB

2018

17

Geogenic arsenic in groundwaters in the western Alps

Tisserand, Delphine, Pili, Eric, Hellmann, Roland, Boullier, Anne-Marie, Charlet, Laurent

Journal:

Journal of Hydrology

Year:

2014

Language:

english

File:

PDF, 1.22 MB

english, 2014

18

[American Thoracic Society American Thoracic Society 2010 International Conference, May 14-19, 2010 • New Orleans - ()] B36. CHRONIC OBSTRUCTIVE PULMONARY DISEASE NON-PHARMACOLOGIC TREATMENTS AND QUALITY OF LIFE - A Guideline-based Survey Of COPD Management Of Pneumologists In Germany

Glaab, Thomas, Hellmann, Andreas, Rau-Berger, Heike, Worth, Heinrich, Buhl, Roland

Year:

2010

Language:

english

File:

PDF, 17 KB

english, 2010

19

The formation of leached layers on albite surfaces during dissolution under hydrothermal conditions

Roland Hellmann, Carrick M. Eggleston, Michael F. Hochella Jr, David A. Crerar

Journal:

Geochimica et Cosmochimica Acta

Year:

1990

Language:

english

File:

PDF, 2.14 MB

english, 1990

20

Aggregation, Reaggregation and Degradation of a Trifunctional Thallium(I) Amide Induced by Weak TlI ⃛ TlI Attraction

Konrad W. Hellmann, Priv.-Doz. Dr. Lutz H. Gade, Roland Fleischer, Dr. Thomas Kottke

Journal:

Chemistry - A European Journal

Year:

1997

Language:

english

File:

PDF, 683 KB

english, 1997

21

Rechnerarchitektur (Einführung in den Aufbau moderner Computer) || Literaturverzeichnis

Hellmann, Roland

Year:

2016

File:

PDF, 178 KB

2016

22

Spectroscopic ellipsometry on opaline photonic crystals

Marcus Ahles, Tilmann Ruhl, Goetz P. Hellmann, Holger Winkler, Roland Schmechel, Heinz von Seggern

Journal:

Optics Communications

Year:

2005

Language:

english

File:

PDF, 354 KB

english, 2005

23

Dissolution kinetics as a function of the Gibbs free energy of reaction: An experimental study based on albite feldspar

Roland Hellmann, Delphine Tisserand

Journal:

Geochimica et Cosmochimica Acta

Year:

2006

Language:

english

File:

PDF, 1.09 MB

english, 2006

24

Proceedings of the Fourteenth International Symposium on Water-Rock Interaction

Hellmann, Roland, Pitsch, Helmut

Journal:

Procedia Earth and Planetary Science

Year:

2013

Language:

english

File:

PDF, 93 KB

english, 2013

25

IT-Sicherheit (Eine Einführung) || 6. Weitere Anwendungen und abschließende Betrachtungen zur Kryptografie

Hellmann, Roland

Year:

2018

File:

PDF, 880 KB

2018

26

Rechnerarchitektur (EinfÃ¼hrung in den Aufbau moderner Computer) || Vorwort zur 2. Auflage

Hellmann, Roland

Year:

2016

File:

PDF, 60 KB

2016

27

IT-Sicherheit (Eine Einführung) || 9. Firewalls

Hellmann, Roland

Year:

2018

File:

PDF, 1015 KB

2018

28

IT-Sicherheit (Eine Einführung) || 5. Digitale Signaturen

Hellmann, Roland

Year:

2018

File:

PDF, 868 KB

2018

29

Lizardite serpentine dissolution kinetics as a function of pH and temperature, including effects of elevated pCO2

Daval, Damien, Hellmann, Roland, Martinez, Isabelle, Gangloff, Sophie, Guyot, François

Journal:

Chemical Geology

Year:

2013

Language:

english

File:

PDF, 666 KB

english, 2013

30

IT-Sicherheit (Eine Einführung) || 8. Internetsicherheit

Hellmann, Roland

Year:

2018

File:

PDF, 142 KB

2018

31

SPIE Proceedings [SPIE OE/LASE '92 - Los Angeles, CA (Sunday 19 January 1992)] Scanning Probe Microscopies - Atomic-scale imaging of albite feldspar, calcium carbonate, rectorite, and bentonite using atomic-force microscopy

Drake, Barney, Hellmann, Roland, Sikes, C. Steven, Occelli, Mario L., Manne, Srinivas

Year:

1992

Language:

english

File:

PDF, 1.12 MB

english, 1992

32

The dependence of albite feldspar dissolution kinetics on fluid saturation state at acid and basic pH: Progress towards a universal relation

Roland Hellmann, Damien Daval, Delphine Tisserand

Journal:

Comptes Rendus Geoscience

Year:

2010

Language:

english

File:

PDF, 587 KB

english, 2010

33

The effects of non-metabolizing bacterial cells on the precipitation of U, Pb and Ca phosphates

Sarrah Dunham-Cheatham, Xue Rui, Bruce Bunker, Nicolas Menguy, Roland Hellmann, Jeremy Fein

Journal:

Geochimica et Cosmochimica Acta

Year:

2011

Language:

english

File:

PDF, 2.56 MB

english, 2011

34

tBu6P8 und tBu6As8 – zwei neue elementhomologe Bicyclen unterschiedlicher Struktur

Prof. Dr. Marianne Baudler, Dr. Jochen Hellmann, Paul Bachmann, Prof. Dr. Karl-Friedrich Tebbe, Roland Fröhlich, Dr. Magda Fehér

Journal:

Angewandte Chemie

Year:

1981

Language:

german

File:

PDF, 329 KB

german, 1981

35

Formation of Amorphous Silica Surface Layers by Dissolution-Reprecipitaton During Chemical Weathering: Implications for CO2 Uptake

Hellmann, Roland, Daval, Damien, Wirth, Richard

Journal:

Procedia Earth and Planetary Science

Year:

2013

Language:

english

File:

PDF, 226 KB

english, 2013

36

A supramolecular motif in the solid-state structure of a difunctional thallium(i) amide defined by weak Tl···Tl attractions

Hellmann, Konrad W., Gade, Lutz H., Fleischer, Roland, Stalke, Dietmar

Journal:

Chemical Communications

Year:

1997

Language:

english

File:

PDF, 99 KB

english, 1997

37

[ACM Press the 23rd international conference - Seoul, Korea (2014.04.07-2014.04.11)] Proceedings of the 23rd international conference on World wide web - WWW '14 - Test-driven evaluation of linked data quality

Kontokostas, Dimitris, Westphal, Patrick, Auer, Sören, Hellmann, Sebastian, Lehmann, Jens, Cornelissen, Roland, Zaveri, Amrapali

Year:

2014

Language:

english

File:

PDF, 659 KB

english, 2014

38

ChemInform Abstract: N-Acyl- and N-Sulfonylformamidines from Cyanamides and Carbodiimides by Hydroalumination and Subsequent Treatment with Electrophiles.

Hellmann, Johannes, Rhotert, Ines, Westenberg, Hauke, Froehlich, Roland, Wibbeling, Birgit, Uhl, Werner, Wuerthwein, Ernst-Ulrich

Journal:

Year:

2013

File:

PDF, 28 KB

2013

39

Generation of Weakly Bound Al–N Lewis Pairs by Hydroalumination of Ynamines and the Activation of Small Molecules: Phenylethyne and Dicyclohexylcarbodiimide

Holtrichter-Rößmann, Thorsten, Rösener, Christian, Hellmann, Johannes, Uhl, Werner, Würthwein, Ernst-Ulrich, Fröhlich, Roland, Wibbeling, Birgit

Journal:

Organometallics

Year:

2012

Language:

english

File:

PDF, 2.20 MB

english, 2012

40

Rechnerarchitektur (Einführung in den Aufbau moderner Computer) || Frontmatter

Hellmann, Roland

Year:

2016

File:

PDF, 85 KB

2016

41

IT-Sicherheit (Eine Einführung) || 3. Public Key-Verfahren

Hellmann, Roland

Year:

2018

File:

PDF, 1.27 MB

2018

42

N -Acyl- and N -Sulfonylformamidines from Cyanamides and Carbodiimides by Hydroalumination and Subsequent Treatment with Electrophiles

Hellmann, Johannes, Rhotert, Ines, Westenberg, Hauke, Fröhlich, Roland, Wibbeling, Birgit, Uhl, Werner, Würthwein, Ernst-Ulrich

Journal:

European Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 985 KB

english, 2013

43

IT-Sicherheit (Eine Einführung) || Literatur

Hellmann, Roland

Year:

2018

File:

PDF, 52 KB

2018

44

tBu6P8 and tBu6As8—Two New Element-Homologous Bicyclic Compounds of Different Structure

Prof. Dr. Marianne Baudler, Dr. Jochen Hellmann, Dipl.-Chem. Paul Bachmann, Prof. Dr. Karl-Friedrich Tebbe, Dipl.-Chem. Roland Fröhlich, Dr. Magda Fehér

Journal:

Angewandte Chemie International Edition

Year:

1981

Language:

english

File:

PDF, 332 KB

english, 1981

45

Nanometre-scale evidence for interfacial dissolution–reprecipitation control of silicate glass corrosion

Hellmann, Roland, Cotte, Stéphane, Cadel, Emmanuel, Malladi, Sairam, Karlsson, Lisa S., Lozano-Perez, Sergio, Cabié, Martiane, Seyeux, Antoine

Journal:

Nature Materials

Year:

2015

Language:

english

File:

PDF, 1.24 MB

english, 2015

46

Postexposure Prophylaxis for Human Immunodeficiency Virus Infection after Sexual or Injection Drug Use Exposure: Identification and Characterization of the Source of Exposure

Roland, Michelle E., Martin, Jeffrey N., Grant, Robert M., Hellmann, Nicholas S., Bamberger, Joshua D., Katz, Mitchell H., Chesney, Margaret, Franses, Karena, Coates, Thomas J., Kahn, James O.

Journal:

The Journal of Infectious Diseases

Year:

2001

Language:

english

File:

PDF, 62 KB

english, 2001

47

Flocculation Reduces Cation Exchange Capacity of Suspended Estuarine Sediment: ABSTRACT

Roland Hellmann,

Journal:

Year:

1981

File:

PDF, 128 KB

1981

48

IT-Sicherheit (Eine EinfÃ¼hrung) || 7. VerfÃ¼gbarkeit

Hellmann, Roland

Year:

2018

File:

PDF, 410 KB

2018

49

Dissolution kinetics of diopside as a function of solution saturation state: Macroscopic measurements and implications for modeling of geological storage of CO2

Damien Daval, Roland Hellmann, Jérôme Corvisier, Delphine Tisserand, Isabelle Martinez, François Guyot

Journal:

Geochimica et Cosmochimica Acta

Year:

2010

Language:

english

File:

PDF, 576 KB

english, 2010

50

IT-Sicherheit (Eine EinfÃ¼hrung) || 10. IoT-Sicherheit

Hellmann, Roland

Year:

2018

File:

PDF, 113 KB

2018

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