Zobrazeno 1 - 10
of 64
pro vyhledávání: '"H-P. Hennig"'
Publikováno v:
Materials Science Forum. :863-868
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::068053da7978207e9e27b7591f345e0d
https://doi.org/10.4028/www.scientific.net/msf.79-82.863
https://doi.org/10.4028/www.scientific.net/msf.79-82.863
Publikováno v:
Crystal Research and Technology. 26:317-320
It could be shown that the preparation of sodium A zeolite is possible by the reaction of quartz and γ-Al2O3 with NaOH-solution. The zeolite formation is dependent on the mechanical preliminary treatment of quartz. Only the partially crystalline par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72b61ca5aa1dba59cd63bc9edd8fe78e
https://doi.org/10.1002/crat.2170260314
https://doi.org/10.1002/crat.2170260314
Publikováno v:
Crystal Research and Technology. 26:1019-1024
The formation of titanite (CaTiSiO5) out of the starting materials quartz and titanate (CaTiO3) is investigated in dependence on the mechanical activation. The formation temperature may be lowered by the use of mechanically disturbed quartz. There ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89ddf9751754ac8b10ff874f47b82967
https://doi.org/10.1002/crat.2170260810
https://doi.org/10.1002/crat.2170260810
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 590:213-221
Die mechanische Aktivierung von Hydrargillit in Abhangigkeit vom Beanspruchungsmechanismus (Druck- und Scherbeanspruchung in Schwingmuhlen, Prallbeanspruchung in Desintegratoren) wird untersucht. Der gestorte Hydrargillit zeigt ein verandertes thermi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23df428f441d146049491495da738b69
https://doi.org/10.1002/zaac.19905900121
https://doi.org/10.1002/zaac.19905900121
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:1321-1324
Mechanical treatment of hydrargillite Al(OH)3 in a vibrational grinder and in a ball-mill grinder increases the dispersion, the specific surface area, and the unit-cell constants. An x-ray amorphous phase forms. Differences in the nature and in the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cdc73235f0cef1014861ed24dba46797
https://doi.org/10.1007/bf00957829
https://doi.org/10.1007/bf00957829
Publikováno v:
Crystal Research and Technology. 17:1585-1590
The dissolution of polycrystalline quartz strained by compression and shear or by impact crushing in 1-N NaOH lead to different results. The defects of the impact crushed quartz grains, measured as crystallinity by X-ray methods, are not preferential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0c3edc0925417d99e9cd1691ac73bcc
https://doi.org/10.1002/crat.2170171223
https://doi.org/10.1002/crat.2170171223
Publikováno v:
Isotopenpraxis Isotopes in Environmental and Health Studies. 14:94-99
Zur Untersuchung von Isotopieeffekten bei mechanisch aktivierten Reaktionen wurde als Modellreaktion die Umsetzung von Graphit mit Wasserstoff zu Methan ausgewāhlt. Aus der gefundenen Isotopenfraktionierung werden Schlusfolgerungen bezūglich des mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d92527395e397d80996aae49c1d7ca2
https://doi.org/10.1080/10256017808622587
https://doi.org/10.1080/10256017808622587
Publikováno v:
Crystal Research and Technology. 17:1259-1266
Infrared investigations demonstrate a chemical interaction of quartz in hydrogen atmosphere during mechanical activation: By means of the SiH stretching band the number of formed SiH-groups is estimated as a function of the period of activation. of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f704437d68752d45ac5774ba38af09b0
https://doi.org/10.1002/crat.2170171015
https://doi.org/10.1002/crat.2170171015
Publikováno v:
Kristall und Technik. 13:1229-1233
Es wurden die Dicken rontgenamorpher Schichten nach verschiedenen Methoden abgeschatzt und mit Literaturwerten verglichen. Die mittlere Schichtdicke liegt zwischen 10 bis 30 nm und ist weitgehend unabhangig von der erreichten Amorphisierung und der s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::854881ead577bf5bfc1055aa56ae0cd0
https://doi.org/10.1002/crat.19780131016
https://doi.org/10.1002/crat.19780131016
Publikováno v:
Kristall und Technik. 16:949-955
MgO is treated up to 95 hours in a vibration mill by means of pressure and shear. The. type and distribution of the mechanically-induced disorder in the grains of the powder is investigated by X-ray diffraction and electronparamagnetic resonance (EPR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::220e7e9eddf89351f5fc80ab95329025
https://doi.org/10.1002/crat.19810160815
https://doi.org/10.1002/crat.19810160815