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METASTABLE [5 records]
Record 1 - internal organization data 2012-05-24
Record 1, English
Record 1, Subject field(s)
- Geochemistry
- Mineralogy
Record 1, Main entry term, English
- metastable
1, record 1, English, metastable
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Said of a phase that is stable with respect to small disturbances but that is capable of reaction with evolution of energy if sufficiently disturbed. 2, record 1, English, - metastable
Record number: 1, Textual support number: 1 CONT
The euhedral pitchblende ... is a metastable form of pitchblende ... 3, record 1, English, - metastable
Record number: 1, Textual support number: 2 CONT
At lower temperatures, diamond is indefinitely preserved in a metastable state. ... In general the more complex the structure, the greater the likelihood of metastable low-temperature modifications and hence of alternative behaviour. 4, record 1, English, - metastable
Record 1, French
Record 1, Domaine(s)
- Géochimie
- Minéralogie
Record 1, Main entry term, French
- métastable
1, record 1, French, m%C3%A9tastable
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Se dit d'une phase minérale placée en dehors de son domaine de stabilité et susceptible de réagir dans certaines conditions. 2, record 1, French, - m%C3%A9tastable
Record number: 1, Textual support number: 1 CONT
La pechblende euédrique [...] est une forme métastable de pechblende [...] 3, record 1, French, - m%C3%A9tastable
Record number: 1, Textual support number: 2 CONT
[La cristobalite] est instable au-dessous de 1470 ºC, mais peut persister comme forme métastable, et cela est évidemment l'explication de sa rareté dans la nature. 4, record 1, French, - m%C3%A9tastable
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Geoquímica
- Mineralogía
Record 1, Main entry term, Spanish
- metastable 1, record 1, Spanish, metastable
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- metaestable 1, record 1, Spanish, metaestable
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-03-15
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
- Mineralogy
Universal entry(ies) Record 2
Record 2, Main entry term, English
- cristobalite
1, record 2, English, cristobalite
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- crystalline-cristobalite silica 2, record 2, English, crystalline%2Dcristobalite%20silica
- crystalline silica, cristobalite 3, record 2, English, crystalline%20silica%2C%20cristobalite
- calcined diatomite 2, record 2, English, calcined%20diatomite
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
One of the three main forms of silica (the others being quartz and tridymite), formed at high temperatures as high-cristobalite and changing at lower temperatures to a structurally related metastable polymorph, low-cristobalite, which occurs both massive (e.g. in opal) and as small, usually octahedral, crystals. 4, record 2, English, - cristobalite
Record number: 2, Textual support number: 1 OBS
Chemical formulas: O2Si or SiO2 5, record 2, English, - cristobalite
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
- Minéralogie
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- cristobalite
1, record 2, French, cristobalite
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- silice cristalline, cristobalite 2, record 2, French, silice%20cristalline%2C%20cristobalite
feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Variété de silice formée à haute température, du système cristallin quadratique pseudo-cubique. 3, record 2, French, - cristobalite
Record number: 2, Textual support number: 1 OBS
La silice ou dioxyde de silicium (formule moléculaire : SiO2) peut exister sous forme de silice cristalline ou de silice amorphe. La silice cristalline, peut se présenter sous plusieurs formes (polymorphes : même formule chimique mais structure cristalline différente). Le quartz (CAS : 14808-60-7) [...] La cristobalite (CAS : 14464-46-1) [...] Le tripoli (CAS : 1317-95-9) [et la] tridymite (CAS : 15468-32-3) [...] 4, record 2, French, - cristobalite
Record number: 2, Textual support number: 2 OBS
Formules chimiques : O2Si ou SiO2 5, record 2, French, - cristobalite
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Elementos y compuestos químicos
- Mineralogía
Entrada(s) universal(es) Record 2
Record 2, Main entry term, Spanish
- cristobalita
1, record 2, Spanish, cristobalita
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Variedad de sílice cristalizada en el sistema tetragonal, que se encuentra en las cavidades internas de la andesita, la traquita y otras rocas volcánicas, especialmente en las mexicanas de San Cristóbal, a las cuales debe su nombre. 1, record 2, Spanish, - cristobalita
Record number: 2, Textual support number: 1 OBS
Entra también en la composición de ciertas variedades de ágata y de bentonita. Es el producto que resulta al calentarse el cuarzo a más de 1470º C. Normalmente no tendría que existir a la temperatura ambiente, pero constituye uno de los casos del estado metastable. 1, record 2, Spanish, - cristobalita
Record number: 2, Textual support number: 2 OBS
Fórmulas químicas: O2Si o SiO2 2, record 2, Spanish, - cristobalita
Record 3 - internal organization data 2008-02-25
Record 3, English
Record 3, Subject field(s)
- Lasers and Masers
Record 3, Main entry term, English
- metastable state 1, record 3, English, metastable%20state
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record 3, French
Record 3, Domaine(s)
- Masers et lasers
Record 3, Main entry term, French
- état métastable
1, record 3, French, %C3%A9tat%20m%C3%A9tastable
correct
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Etat excité à vie moyenne particulièrement longue. 1, record 3, French, - %C3%A9tat%20m%C3%A9tastable
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Láser y máser
Record 3, Main entry term, Spanish
- estado metastable
1, record 3, Spanish, estado%20metastable
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Estado de excitación extremada a partir del cual el átomo no puede volver a otro de menor energía, incluyendo el estado fundamental. 1, record 3, Spanish, - estado%20metastable
Record 4 - internal organization data 2005-04-12
Record 4, English
Record 4, Subject field(s)
- Chemistry
Record 4, Main entry term, English
- metastable
1, record 4, English, metastable
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
Possessing a state of pseudo-equilibrium that has a free energy higher than that of the true equilibrium state. 2, record 4, English, - metastable
Record 4, French
Record 4, Domaine(s)
- Chimie
Record 4, Main entry term, French
- métastable
1, record 4, French, m%C3%A9tastable
correct
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Se dit d'un système chimique dont la vitesse de transformation est très faible et qui a l'apparence de la stabilité. 2, record 4, French, - m%C3%A9tastable
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Química
Record 4, Main entry term, Spanish
- metastable 1, record 4, Spanish, metastable
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
- metaestable 1, record 4, Spanish, metaestable
Record 4, Textual support, Spanish
Record 5 - internal organization data 2003-01-16
Record 5, English
Record 5, Subject field(s)
- Psychology (General)
Record 5, Main entry term, English
- metastable
1, record 5, English, metastable
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, French
Record 5, Domaine(s)
- Psychologie (Généralités)
Record 5, Main entry term, French
- métastable
1, record 5, French, m%C3%A9tastable
correct
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Psicología (Generalidades)
Record 5, Main entry term, Spanish
- metastable 1, record 5, Spanish, metastable
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
- metaestable 1, record 5, Spanish, metaestable
Record 5, Textual support, Spanish
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