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HYDROLASES 206 HYLIFE CONVERTER<br />
HYDROLASES<br />
Code number 3.<br />
FR hydrolases<br />
HYDROLOGY<br />
FR hydrologie<br />
HYDROLYSIS<br />
1997-06-17<br />
FR hydrolyse<br />
HYDROMAGNETIC WAVES<br />
FR ondes magnetodynamiques<br />
HYDROMETALLURGY<br />
FR hydrometallurgie<br />
hydronium ions<br />
INIS: 2000-04-12; ETDE: 1977-08-24<br />
FR ions hydroniums<br />
HYDRONIUM RADICALS<br />
FR radicaux hydronium<br />
HYDROPEROXY RADICALS<br />
HO2.<br />
FR radicaux hydroperoxy<br />
HYDROPHYLIC POLYMERS<br />
2000-01-11<br />
FR polymeres hydrophiles<br />
HYDROPONIC CULTURE<br />
INIS: 1999-05-19; ETDE: 1976-05-13<br />
Growing of plants in a nutri<strong>en</strong>t solution with<br />
the mechanical support of an inert medium<br />
such as sand.<br />
FR cultures hydroponiques<br />
HYDRORETORTING ASSAY<br />
INIS: 2000-04-12; ETDE: 1984-10-10<br />
FR essai d'hydropyrog<strong>en</strong>ation<br />
HYDROSPHERE<br />
FR hydrosphere<br />
HYDROSTATIC BEARINGS<br />
INIS: 1978-08-14; ETDE: 1978-10-19<br />
FR paliers hydrostatiques<br />
HYDROSTATICS<br />
FR hydrostatique<br />
HYDROTHERMAL ALTERATION<br />
1994-10-13<br />
Alteration of rocks or minerals by the reaction<br />
of hydrothermal water with preexisting solid<br />
phases.<br />
(Until October1994 this concept was indexed<br />
to METAMORPHISM.)<br />
FR alteration hydrothermale<br />
hydrothermal convective systems<br />
INIS: 2000-04-12; ETDE: 1976-03-11<br />
FR systemes hydrothermaux convectifs<br />
HYDROTHERMAL STAGE<br />
That stage in the cooling of a magma<br />
containing volatiles during which the residual<br />
fluid is strongly <strong>en</strong>riched in water and other<br />
volatiles.<br />
FR etape hydrothermique<br />
HYDROTHERMAL SYNTHESIS<br />
INIS: 1999-03-09; ETDE: 1975-12-16<br />
Mineral synthesis in pres<strong>en</strong>ce of water at<br />
elevated temperatures.<br />
FR synthese hydrothermale<br />
HYDROTHERMAL SYSTEMS<br />
1992-04-08<br />
Geothermal system where most of the heat is<br />
transferred by the convective circulation of<br />
water or steam.<br />
FR systemes hydrothermaux<br />
HYDROTHORITE<br />
2000-04-12<br />
FR hydrothorite<br />
HYDROTORTING PROCESS<br />
2000-04-12<br />
Finely crushed oil shale is retorted under high<br />
pressure in pres<strong>en</strong>ce of hydrog<strong>en</strong>; process<br />
developed by Texaco.<br />
FR procede hydrotorting<br />
d'hydropyrog<strong>en</strong>ation de schistes<br />
bitumin<br />
HYDROXAMIC ACIDS<br />
FR acides hydroxamiques<br />
HYDROXIDE MODERATORS<br />
FR moderateurs hydroxydes<br />
HYDROXIDES<br />
1997-06-19<br />
FR hydroxydes<br />
HYDROXY ACIDS<br />
1996-10-23<br />
For carboxylic acids only; for other acids see<br />
HYDROXY COMPOUNDS coordinated with<br />
the descriptor for the particular acid group,<br />
e.g., SULFONIC ACIDS.<br />
FR acides hydroxy<br />
hydroxy-alpha-alanine-beta<br />
FR hydroxy-alpha-alanine-beta<br />
HYDROXY COMPOUNDS<br />
1996-10-23<br />
For organic compounds only and excluding<br />
saccharides, glycosides and hydroxy acids.<br />
FR composes hydroxy<br />
hydroxy-para-cym<strong>en</strong>e<br />
FR hydroxy-para-cym<strong>en</strong>e<br />
hydroxyacetic acid<br />
FR acide hydroxyacetique<br />
HYDROXYANDROSTENONE<br />
FR hydroxyandrost<strong>en</strong>one<br />
hydroxyb<strong>en</strong>z<strong>en</strong>e<br />
FR hydroxyb<strong>en</strong>z<strong>en</strong>e<br />
hydroxyb<strong>en</strong>zoic acid-ortho<br />
FR acide hydroxyb<strong>en</strong>zoique-ortho<br />
hydroxydiph<strong>en</strong>ylacetic acid<br />
FR acide hydroxydiph<strong>en</strong>ylacetique<br />
hydroxyethylethyl<strong>en</strong>ediaminetriacetic<br />
acid<br />
Hydroxyethylethyl<strong>en</strong>ediaminetriacetic acid.<br />
FR acide<br />
hydroxyethylethyl<strong>en</strong>ediaminetriacetiq<br />
ue<br />
hydroxyethyliminodiacetic acid<br />
FR acide hydroxyethyliminodiacetique<br />
hydroxyl ions<br />
FR ions hydroxyle<br />
HYDROXYL RADICALS<br />
FR radicaux oxhydryle<br />
HYDROXYLAMINE<br />
FR hydroxylamine<br />
hydroxylase<br />
2000-04-12<br />
(Prior to January 1981 this was a valid ETDE<br />
descriptor.)<br />
FR hydroxylase<br />
HYDROXYLASES<br />
INIS: 1982-02-10; ETDE: 1981-01-12<br />
(Prior to February 1982 HYDROXYLASE<br />
was a valid term, and older information is so<br />
indexed.)<br />
FR hydroxylases<br />
HYDROXYLATION<br />
INIS: 1977-07-05; ETDE: 1976-12-16<br />
FR hydroxylation<br />
hydroxynaphthal<strong>en</strong>es<br />
FR hydroxynaphtal<strong>en</strong>es<br />
HYDROXYPREGNENONE<br />
FR hydroxypregn<strong>en</strong>one<br />
HYDROXYPROLINE<br />
FR hydroxyproline<br />
hydroxypropionic acid-alpha<br />
FR acide hydroxypropionique-alpha<br />
HYDROXYPROPIOPHENONE<br />
ETDE: 2005-02-01<br />
(Prior to January 2005 POP was used for this<br />
concept.)<br />
FR hydroxypropioph<strong>en</strong>one<br />
hydroxysuccinic acid<br />
FR acide hydroxysuccinique<br />
hydroxytolu<strong>en</strong>es<br />
FR hydroxytolu<strong>en</strong>es<br />
HYDROXYTRYPTOPHAN<br />
FR hydroxytryptophane<br />
HYDROXYUREA<br />
INIS: 2000-04-12; ETDE: 1976-03-11<br />
FR hydroxyuree<br />
hydroxyxyl<strong>en</strong>es<br />
2000-04-12<br />
FR xyl<strong>en</strong>ols<br />
hyflex process<br />
INIS: 2000-04-12; ETDE: 1981-07-06<br />
In the HYFLEX process carbonaceous raw<br />
materials are concurr<strong>en</strong>tly heated with<br />
hydrog<strong>en</strong> or another gas in an <strong>en</strong>trained-flow<br />
reactor to pyrolysis temperatures, which<br />
produces a slate of products that can be<br />
varied by choosing differ<strong>en</strong>t operating<br />
pressures and cracking severities.<br />
(Prior to July 1993, this was a valid ETDE<br />
descriptor.)<br />
FR procede hyflex<br />
HYGAS PROCESS<br />
2000-04-12<br />
Institute of Gas Technology hydrogasification<br />
process for producing high-btu gas by<br />
slurrying the coal with light oil and using a<br />
three-stage gasifier.<br />
FR procede hygas<br />
HYGROMETRY<br />
(From November 1981 till March 1997<br />
PSYCHROMETRY was a valid ETDE<br />
descriptor.)<br />
FR hygrometrie<br />
HYGROSCOPICITY<br />
FR hygroscopicite<br />
HYLEMYA ANTIQUA<br />
FR hylemya antiqua
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