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1

Comparative evaluation of Life Cycle Impact assessment methods with a South African case study

Alan C. Brent, Sibbele Hietkamp

Journal:

The International Journal of Life Cycle Assessment

Year:

2003

Language:

english

File:

PDF, 2.25 MB

english, 2003

2

The Impact of Mineral Resource Depletion - In response to Steen BA (2006): Abiotic Resource Depletion: Different perceptions of the problem with mineral deposits. Int J LCA 11 (Special Issue 1) 49-54

Alan Brent, Sibbele Hietkamp

Journal:

The International Journal of Life Cycle Assessment

Year:

2006

Language:

english

File:

PDF, 81 KB

english, 2006

3

Characterisation and Normalisation Factors for Life Cycle Impact Assessment Mined Abiotic Resources Categories in South Africa: The manufacturing of catalytic converter exhaust systems as a case study (10 pp)

Kerwin Strauss, Alan Brent, Sibbele Hietkamp

Journal:

The International Journal of Life Cycle Assessment

Year:

2006

Language:

english

File:

PDF, 446 KB

english, 2006

4

Direct reduction process using fines and with reduced CO 2 emission

Morrison, A., Hietkamp, S., van Vuuren, D.S.

Journal:

Iron and Steelmaking

Year:

2004

Language:

english

File:

PDF, 340 KB

english, 2004

5

The effect of tone-vocoding on spatial release from masking for old, hearing-impaired listeners

King, Andrew, Hopkins, Kathryn, Plack, Christopher J., Pontoppidan, Niels Henrik, Bramsløw, Lars, Hietkamp, Renskje K., Vatti, Marianna, Hafez, Atefeh

Journal:

The Journal of the Acoustical Society of America

Year:

2017

Language:

english

File:

PDF, 1.20 MB

english, 2017

6

Stereospezifische Synthese von Palladium(II)-Komplexen makrocyclischer vierzähniger Phosphanliganden

Dr. Rainer Bartsch, Dr. Sibbele Hietkamp, Dr. Stephen Morton, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie

Year:

1982

Language:

german

File:

PDF, 191 KB

german, 1982

7

Triphosphaalkane R2PCH2PRCH2PR2 (R = Cl, CH3)

Dr. Sibbele Hietkamp, Herbert Sommer, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie

Year:

1982

Language:

german

File:

PDF, 194 KB

german, 1982

8

Eisencluster mit gekoppelten Phosphido-Phosphan-Brücken

Prof. Dr. David J. Brauer, Dr. Sibbele Hietkamp, Herbert Sommer, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie

Year:

1984

Language:

german

File:

PDF, 244 KB

german, 1984

9

Stereospecific Synthesis of Palladium(II) Complexes of Macrocyclic Tetradentate Phosphane Ligands

Dr. Rainer Bartsch, Dr. Sibbele Hietkamp, Dr. Stephen Morton, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

english

File:

PDF, 223 KB

english, 1982

10

Triphosphaalkanes R2P—CH2—PR—CH2—PR2 (R = Cl, CH3)

Dr. Sibbele Hietkamp, Herbert Sommer, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

english

File:

PDF, 205 KB

english, 1982

11

Triphosphaalkane R2PCH2PRCH2PR2 (R = Cl, CH3)

Dr. Sibbele Hietkamp, Dipl.-Chem. Herbert Sommer, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

german

File:

PDF, 217 KB

german, 1982

12

Stereospezifische Synthese von Palladium(II)-Komplexen makrocyclischer vierzähniger Phosphan-Liganden

Dr. Rainer Bartsch, Dr. Sibbele Hietkamp, Dr. Stephen Morton, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie International Edition

Year:

1982

File:

PDF, 202 KB

1982

13

Iron Clusters with Coupled Phosphido-Phosphane Bridges

Prof. Dr. David J. Brauer, Dr. Sibbele Hietkamp, Dipl.-Chem. Herbert Sommer, Prof. Dr. Othmar Stelzer

Journal:

Angewandte Chemie International Edition

Year:

1984

Language:

english

File:

PDF, 225 KB

english, 1984

14

Oligophosphaalkane, II. Tetra- und pentakoordinierte Komplexe α,ω-PH-funktioneller Triphosphaalkane H2–nRnP–[CH2]3–PR′–[CH2]3–PRnH2–n

Michael Baacke, Sibbele Hietkamp, Stephen Morton, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1981

File:

PDF, 565 KB

1981

15

Lineare Oligophosphaalkane, III: Synthese und Stereochemie von Palladium(II)-Komplexen chiraler Tetraphosphaalkane H2−nRnP[CH2]3 PR′ m[CH2]m PR′ [CH2]3 PRnH2−n(R,

Michael Baacke, Sibbele Hietkamp, Stephen Morton, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1981

File:

PDF, 456 KB

1981

16

Lineare Oligophosphaalkane, IV. Synthese und Struktur von Nickel(II)-Komplexen chiraler Tetraphosphaalkane RR′P[CH2]3PMe[CH2]mPMe[CH2]3PRR′ (R = Me; R′ = H, Me; m = 2,

Michael Baacke, Sibbele Hietkamp, Stephen Morton, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1982

Language:

german

File:

PDF, 472 KB

german, 1982

17

Lineare Oligophosphaalkane, VII. Methylenverbrückte Tetraphosphaalkane R2P-CH2-PR-[CH2]n-PR-CH2-PR2 (n = 3, 6, 10) und R2P-[CH2]3-PR-CH2-PR-[CH2]3-PR2 (R = iPr)

Herbert Sommer, Sibbele Hietkamp, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1984

Language:

german

File:

PDF, 424 KB

german, 1984

18

Oligophosphaalkane, VI. Synthese und NMR-spektroskopische Charakterisierung PH-funktioneller methylenverbrückter Diphosphane R2P-CH2-PRH und HRP-CH2-PRH

Sibbele Hietkamp, Herbert Sommer, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1984

File:

PDF, 733 KB

1984

19

Lineare Oligophosphaalkane, XIV. Synthese und Struktur funktionalisierter 1,2,3,5-Diazadiphospholane

David J. Brauer, Franjo Gol, Sibbele Hietkamp, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1986

Language:

german

File:

PDF, 490 KB

german, 1986

20

Lineare Oligophosphaalkane, XV. Vierzähnige Phosphane in tetraedrischen und oktaedrischen Komplexen: Zink(II)- und Eisen(II)-Komplexe der linearen Tetraphosphaalkane Me2P[CH2]3PMe[CH2]nPMe[CH2]3

Sibbele Hietkamp, Othmar Stelzer

Journal:

European Journal of Inorganic Chemistry

Year:

1986

File:

PDF, 563 KB

1986

21

Oligophosphaalkane: X. Disekundäre methylenbisphosphane HPRCH2PRH; bausteine für cluster mit (μ2-PR)2CH2-, μ2-PRCH3- und μ3-PR-brücken

David J. Brauer, Sibbele Hietkamp, Herbert Sommer, Othmar Stelzer, Gerhard Müller, Carl Krüger

Journal:

Journal of Organometallic Chemistry

Year:

1985

File:

PDF, 1.58 MB

1985

22

Lineare oligophosphaalkane XIII. Triphosphaalkane mit demPCPCP-donorskelett; liganden für den aufbau von mehrkernkomplexen

David J. Brauer, Sibbele Hietkamp, Herbert Sommer, Othmar Stelzer, Gerhard Müller, M.J. Romão, Carl Krüger

Journal:

Journal of Organometallic Chemistry

Year:

1985

File:

PDF, 1.38 MB

1985

23

Lineare oligophosphaalkane: IX. Tertiär-sekundäre methylenbisphosphane; neue brückenliganden und phosphinidenquellen in der clustersynthese

David J. Brauer, Sibbele Hietkamp, Herbert Sommer, Othmar Stelzer

Journal:

Journal of Organometallic Chemistry

Year:

1985

File:

PDF, 1.22 MB

1985

24

Crystal structure of bis(diphenylphosphino)-methyllithium (N,N,N′,N′-tetramethylethylenediamine): An organolithium compound without lithium—carbon bonding

David J. Brauer, Sibbele Hietkamp, Othmar Stelzer

Journal:

Journal of Organometallic Chemistry

Year:

1986

Language:

english

File:

PDF, 438 KB

english, 1986

25

Ring size effects of some 13C, 31P and 195Pt NMR parameters in the series {Ph2P(CH2)nPh2}Pt(CH3)2

S. Hietkamp, D.J. Stufkens, K. Vrieze

Journal:

Journal of Organometallic Chemistry

Year:

1979

Language:

english

File:

PDF, 469 KB

english, 1979

26

Activation of CH bonds by transition metals I. Metallation of allylphosphines coordinated to iridium(I)

S. Hietkamp, D.J. Stufkens, K. Vrieze

Journal:

Journal of Organometallic Chemistry

Year:

1976

Language:

english

File:

PDF, 674 KB

english, 1976

27

Activation of CH bonds by transition metals : V. A study of the mechanism of metallation reactions of benzyl- and meta-fluorobenzylphosphines with RhI, IrI, PdII and PtII compounds

S. Hietkamp, D.J. Stufkens, K. Vrieze

Journal:

Journal of Organometallic Chemistry

Year:

1979

Language:

english

File:

PDF, 778 KB

english, 1979

28

Activation of CH bonds by transition metals : III. Metallation of alkylphosphines coordinated to iridium(I)

S. Hietkamp, D.J. Stufkens, K. Vrieze

Journal:

Journal of Organometallic Chemistry

Year:

1977

Language:

english

File:

PDF, 667 KB

english, 1977

29

Reaktionen koordinierter liganden : X. Reaktivität zweikerniger eisencarbonylkomplexe mit sekundären phosphidobrüken μ-rph

Rainer Bartsch, Sibbele Hietkamp, Stephen Morton, Othmar Stelzer

Journal:

Journal of Organometallic Chemistry

Year:

1981

File:

PDF, 829 KB

1981

30

Activation of CH bonds by transition metals: IV. Partial dehydrogenation of tricyclohexylphosphine by iridium(I) and rhodium(I) leading to the formation of a metal—olefin complex and a five-coordinated metal dihydride, which is a hydrogenation catalyst

S. Hietkamp, D.J. Stufkens, K. Vrieze

Journal:

Journal of Organometallic Chemistry

Year:

1978

Language:

english

File:

PDF, 770 KB

english, 1978

31

Activation of CH bonds by transition metals: II. Metallation of allylphosphines by (acac)Ir(C2H4)2

S. Hietkamp, D.J. Stufkens, K. Vrieze

Journal:

Journal of Organometallic Chemistry

Year:

1977

Language:

english

File:

PDF, 620 KB

english, 1977

32

31P-NMR-Untersuchung an PhPH(CO)6Fe2(PPh)3Fe2(CO)6PPhH einem Vierkernkomplex mit einer ungewöhnlichen (PPh)3-Brücke

S. Hietkamp, Prof. Dr. O. Stelzer, M. Engelhardt, Prof. Dr. G. Hägele

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

1981

Language:

german

File:

PDF, 254 KB

german, 1981

33

Reaktionen koordinierter Liganden. XVI. Struktur von Lithiumphosphido-Komplexen cis-Mo(CO)4(PRR′Li)2(R, R′ H, Alkyl, Aryl) in Lösung – eine 31P- und 7Li-NMR-spektroskopische Studie

Gerd Hasselkuss, Dr. Sibbele Hietkamp, Prof. Dr. Othmar Stelzer

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

1986

File:

PDF, 565 KB

1986

34

Low glutathione pools in the original pso3 mutant of Saccharomyces cerevisiae are responsible for its pleiotropic sensitivity phenotype

M. Brendel, M. Grey, A. F. Maris, J. Hietkamp, Z. Fesus, C. T. Pich, A. L. Dafré, M. Schmidt, F. Eckardt-Schupp, J. A. P. Henriques

Journal:

Current Genetics

Year:

1998

Language:

english

File:

PDF, 95 KB

english, 1998

35

Spectroscopic and impedance studies of reverse biased degraded dye solar cells

Lukas Johannes le Roux, Dirk Knoesen, Sibbele Hietkamp

Journal:

Journal of Solid State Electrochemistry

Year:

2011

Language:

english

File:

PDF, 513 KB

english, 2011

36

Glutathione-deficient mutants in the yeast Saccharomyces cerevisiae

J. Hietkamp, F. Eckardt-Schupp

Journal:

Mutation Research/Environmental Mutagenesis and Related Subjects

Year:

1990

Language:

english

File:

PDF, 178 KB

english, 1990

37

Developing a spatially and temporally resolved emission inventory for photochemical modeling in the City of Cape Town and assessing its uncertainty

Miles Sowden, Eugene Cairncross, Gary Wilson, Mark Zunckel, Elena Kirillova, Vis Reddy, Sibbele Hietkamp

Journal:

Atmospheric Environment

Year:

2008

Language:

english

File:

PDF, 696 KB

english, 2008

38

Reaktionen koordinierter Liganden, XIV. Synthese eines vierzähnigen Phosphor-Makrocyclus im Palladium(II)-Templat

David J. Brauer, Franjo Gol, Sibbele Hietkamp, Helmut Peters, Herbert Sommer, Othmar Stelzer, William S. Sheldrick

Journal:

European Journal of Inorganic Chemistry

Year:

1986

File:

PDF, 804 KB

1986

39

Reactions of coordinated ligands. 12. Single-stage template syntheses of tetradentate macrocyclic phosphine complexes

Bartsch, Rainer, Hietkamp, Sibbele, Morton, Stephen, Peters, Helmut, Stelzer, Othmar

Journal:

Inorganic Chemistry

Year:

1983

Language:

english

File:

PDF, 1.09 MB

english, 1983

40

Reaction of Methylene Bridged Diphosphines R 2 P-CH 2 -PRH AND RHP-CH 2 -PRH (R [dbnd] Me, Pr i , Bu t , CH 2 -Ph) with Transition Metal Carbonyls

Stelzer, Othmar, Hietkamp, Sibbele, Sommer, Herbert

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1983

Language:

english

File:

PDF, 145 KB

english, 1983

41

Ostriches wing it

Hietkamp, Sibbele

Journal:

Year:

2008

Language:

english

File:

PDF, 186 KB

english, 2008

42

The South African Centre for Carbon Capture and Storage Delivering CCS in the Developing World

Beck, Brendan, Surridge, Tony, Hietkamp, Sibbele

Journal:

Energy Procedia

Year:

2013

Language:

english

File:

PDF, 609 KB

english, 2013

43

Unexpected formation of cis- and trans-Ph2PCH:CHPPh2 by reaction of lithiobis(diphenylphosphino)methane and dichloromethane. Carbon-13 NMR studies of the products

Hietkamp, Sibbele, Stelzer, Othmar

Journal:

Inorganic Chemistry

Year:

1984

Language:

english

File:

PDF, 311 KB

english, 1984

44

Reactions of coordinated ligands. 13. Template syntheses of 14- to 16-membered tetraphosphacycloalkanes using bis(tertiary phosphines) with protected carbonyl groups in the alkyl side chains

Bartsch, Rainer, Hietkamp, Sibbele, Peters, Helmut, Stelzer, Othmar

Journal:

Inorganic Chemistry

Year:

1984

Language:

english

File:

PDF, 742 KB

english, 1984

45

Novel dinuclear ruthenium(I) and osmium(I) complexes containing poly(pyrazolyl)borato ligands. X-Ray crystal structure of [{Ru[HB(C3H3N2)3](CO)2}2]

de V. Steyn, Margot M., Singleton, Eric, Hietkamp, Sibbele, Liles, David C.

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1990

Language:

english

File:

PDF, 933 KB

english, 1990

46

PH-Functional Methylenebisphosphanes RR′P-CH 2 -PRH (R′= R, H) - Reactive Bridging Ligands with A Small Bite Angle

Hasselkuβ, G., Hietkamp, S., Knüppel, P. C., Stelzer, O.

Journal:

Phosphorous and Sulfur and the Related Elements

Year:

1987

Language:

english

File:

PDF, 72 KB

english, 1987

47

Proceedings of Meetings on Acoustics [ASA ICA 2013 Montreal - Montreal, Canada (2 - 7 June 2013)] - Magnitude of speech-reception-threshold manipulators for a spatial speech-in-speech test that takes signal-to-noise ratio confounds and ecological validity into account

Ro̸nne, Filip M., Laugesen, So̸ren, Jensen, Niels S., Hietkamp, Renskje K., Pedersen, Julie H.

Year:

2013

Language:

english

File:

PDF, 202 KB

english, 2013

48

Effect of Speech Material on the Benefit of Temporal Fine Structure Information in Speech for Young Normal-Hearing and Older Hearing-Impaired Participants

Lunner, Thomas, Hietkamp, Renskje K., Andersen, Martin R., Hopkins, Kathryn, Moore, Brian C. J.

Journal:

Year:

2012

Language:

english

File:

PDF, 344 KB

english, 2012

49

Die Vollblutanalyse als Instrument der Regulationsmedizin während der Kur nach F.X. Mayr

Hietkamp, Henk, Bayer, Wolfgang

Journal:

Erfahrungsheilkunde

Year:

2006

File:

PDF, 352 KB

2006

50

Effect of moisture on acetylene reduction (symbiotic nitrogen fixation) by Rhizobium japonicum and soybean root nodules in silica sand 1

Tu, C. M., Hietkamp, G.

Journal:

Communications in Soil Science and Plant Analysis

Year:

1977

Language:

english

File:

PDF, 377 KB

english, 1977

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