Zobrazeno 1 - 10
of 65
pro vyhledávání: '"P H. Given"'
Autor:
P. H. Given
Publikováno v:
Journal of Applied Chemistry. 7:172-182
At temperatures in the range 320–450° cresols undergo rapid disproportionation and isomerization over silica–alumina, silica–zirconia–beryllia and other cracking catalysts. It is necessary to add a small amount of steam to the cresol vapour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e434d496eec88077ee503101b0584833
https://doi.org/10.1002/jctb.5010070404
https://doi.org/10.1002/jctb.5010070404
Autor:
P. H. Given
Publikováno v:
Journal of Applied Chemistry. 7:182-193
In the reactions of cresols and xylenols over silica–alumina at 380°, certain isomers predominate or tend to be concentrated in the products, whether they are formed by isomerization or disproportionation, and whatever the orientation of the start
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::557a2fb27ef7df1b08d43de15bba7b93
https://doi.org/10.1002/jctb.5010070405
https://doi.org/10.1002/jctb.5010070405
Autor:
P H, GIVEN, D L, HAMMICK
Publikováno v:
Journal of the Chemical Society.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c7e401dd753840e5f3f57eae384020fc
https://pubmed.ncbi.nlm.nih.gov/20259134
https://pubmed.ncbi.nlm.nih.gov/20259134
Autor:
Jirina. Karas, Warner R. Woolfenden, Lawrence B. Alemany, Ronald J. Pugmire, P H. Given, David M. Grant, Michael A. Wilson
Publikováno v:
Analytical Chemistry. 56:933-943
Conventional and dipolar dephasing CP/MAS /sup 13/C NMR experiments are reported on 63 coals and coal macerals from lignite to anthracite ranks (from the US, the United Kingdom, and Australia). While the conventional experiment can yield only f/sub a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bafdd0bad84eaf6ad8a8f0e453e94d7
https://doi.org/10.1021/ac00270a018
https://doi.org/10.1021/ac00270a018
Publikováno v:
New Phytologist. 73:107-113
Summary Populations of viable bacteria and fungi were shown to exist in various strata of peat formed in the Florida Everglades. The populations present were quantitatively and qualitatively different in three distinct peat-forming habitats and at va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9d7e8d8d2cc84a93caa1f84db8f77f0
https://doi.org/10.1111/j.1469-8137.1974.tb04611.x
https://doi.org/10.1111/j.1469-8137.1974.tb04611.x
Autor:
M. E. Peover, P. H. Given
Publikováno v:
Collection of Czechoslovak Chemical Communications. 25:3195-3201
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ba8c65d77fe44a3261600cf210d78fb
https://doi.org/10.1135/cccc19603195
https://doi.org/10.1135/cccc19603195
Publikováno v:
Tetrahedron. 21:1833-1845
Ortho and peri effects due to cyclic heteroatoms and (thio)carbonyl functions have been compared in the (1-thio)chromone and (thio)xanthen-9-one series. As a result of this work, the 7H-benzo[c]thioxanthen-7-one structure XVI has been assigned to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a101b890c9ebeb00bb02981e17025d14
https://doi.org/10.1016/s0040-4020(01)98654-5
https://doi.org/10.1016/s0040-4020(01)98654-5
Publikováno v:
Rubber Chemistry and Technology. 42:1200-1208
Radioactive hydrogen exchange was studied between tritium labeled carbon blacks and elastomers as well as between tritium labeled elastomers and carbon blacks, after solvent mixing and after milling. A substantial exchange was observed upon solvent m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1bb56bd25c1bc088b852fa9c4bce904
https://doi.org/10.5254/1.3539290
https://doi.org/10.5254/1.3539290
Publikováno v:
Nature. 206:184-186
POLYCYCLIC compounds containing the 4-pyrone nucleus occur in plants as the tannins and have been extensively studied, but their sulphur analogues have received much less attention. We are studying the chemistry of benzologues of 4-thiopyrone and rep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::512b67d9529a12d88babd43de38b2c62
https://doi.org/10.1038/206184b0
https://doi.org/10.1038/206184b0