Výsledky vyhledávání - "N. Christophersen"

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Reactions of monoazadienes with metal carbonyl complexes. 1. Reaction of N-alkyl-(E)-crotonaldimine with ruthenium dodecacarbonyl. The molecular structure (x-ray) of the linear 66-electron tetraruthenium cluster Ru4(CO)10(MeC:CHCH:NCHMe2)2, which is isolobally related to [(.eta.5-C5H5)Ru(CO)(.mu.-CO)]2

Autor: Kees Vrieze, Cornelis J. Elsevier, Casper H. Stam, L.H. Polm, Martin J. N. Christophersen, Wilhelmus P. Mul

Publikováno v: Organometallics. 7:423-429

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c11799fed60e812b8bea97ef4ee3b64e
https://doi.org/10.1021/om00092a028

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Reactions of monoazadienes with metal carbonyl complexes III. Thermal conversion of n-alkyl-(e)-crotonaldimine with ru3(co)12 to σ-n,μ2-η3-allyl and μ2-η3-azaallyl bonded six electron fragments coordinated to a hexacarbonyl diruthenium unit. X-ray single crystal structure determinations of ru2(co)6{σ-n,μ2-η3-ch2cc(h)c(h)nc4h9-t} and ru2(co)6{μ2-η3-c2h5cc(h)nc4h9−}

Autor: Cornelis J. Elsevier, L.H. Polm, Wilhelmus P. Mul, F. Muller, Kees Vrieze, Casper H. Stam, Martin J. N. Christophersen

Publikováno v: Polyhedron. 7:2521-2530

Two complexes Ru 2 (CO) 6 L that arise from thermal reactions of monoazadienes ( E )-CH 3 C(H)C(H)C(H)NR ( 1 ); (R = t−C 4 H 9 , i−C 3 H 7 , c− C 6 H 11 ) with Ru 3 (CO) 12 are reported. The bonding of the six-electron donating organic fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b4db9b397b1445372b6a81d47332a89
https://doi.org/10.1016/s0277-5387(00)83868-1

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Simulation of flow patterns and ion-exchange in soil percolation experiments

Autor: N. Christophersen, A. Njoes, H. M. Seip

Publikováno v: Water, Air, and Soil Pollution. 14:159-170

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::261f19ffba47b3c1960dff4c71adaaf4
https://doi.org/10.1007/bf00291833

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Sodium Mobility in a Mini-Catchment Studied with Radioactive Tracers and Artificial Precipitation

Autor: C. Qvenild, H. M. Seip, N. Christophersen, O. Tollan

Publikováno v: Hydrology Research. 13:105-114

Seasalts in the precipitation may lead to a short-term acidification of the runoff from natural catchments due to ion-exchange reactions. It was decided to investigate this effect in the Storgama area which has acidic streamwater and lies in Telemark

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88c2aff4c731cd308e579844e6403992
https://doi.org/10.2166/nh.1982.0009

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Runoff Chemistry at a Mini-Catchment Watered with 'Unpolluted Precipitation'

Autor: Richard F. Wright, A.O. Stuanes, N. Christophersen

Publikováno v: Hydrology Research. 13:115-128

600 mm of artificial, “unpolluted” precipitation with a chemical composition of assumed preindustrial quality ([H+] = 9 μeql−1, [SO4] = 11 μeql−1) was sprayed on a “mini-catchment” (98 m2) over a period of 3½ weeks. The mini-catchment

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd3dc18b5faab4d434d1b031496597d2
https://doi.org/10.2166/nh.1982.0010

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The unexpected formation of a lithium-enolate from bis2-[(dimethylamino)methyl]phenyl copper lithium. X-ray structure of Li4[OC(CH2)C6H4CH2NMe2-2]4

Autor: Martin J. N. Christophersen, Gerard van Koten, Casper H. Stam, Johann T. B. H. Jastrzebski

Publikováno v: Journal of Organometallic Chemistry. 292:319-324

Attempted crystallization of the bis(aryl)lithium cuprate, Cu 2 Li 2 (C 6 H 4 CH 2 -NMe 2 -2) 4 , from diethyl ether/pentane afforded in according to an X-ray diffraction analysis appeared to be the lithium enolate, Li 4 [OC(=CH 2 )C 6 H 4 CH 2 NMe 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93b47c63489b2c3e05b041646b592dd5
https://doi.org/10.1016/0022-328x(85)80217-5

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Modelling stream water chemistry with snowmelt

Autor: N. Christophersen, S. Rustad, H. M. Seip

Publikováno v: Philosophical Transactions of the Royal Society of London. B, Biological Sciences. 305:427-439

Simple hydrochemical reservoir models based on the mobile anion concept are described for the Birkenes and Storgam a catchments in southern Norway with acidified stream water. Key processes modelled include water routing, sulphate adsorption-desorpti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c104b12609ccb5284e3290da3df8aa10
https://doi.org/10.1098/rstb.1984.0068

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