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SIDE KINETIC [2 records]
Record 1 - internal organization data 2011-08-09
Record 1, English
Record 1, Subject field(s)
- Chemistry
Record 1, Main entry term, English
- acylation
1, record 1, English, acylation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Any process whereby the acyl group, a radical formed from an organic acid by removal of a hydroxyl group, is incorporated into a molecule by treatment with a carboxylic acid, its anhydride or its chloride. 2, record 1, English, - acylation
Record number: 1, Textual support number: 1 CONT
The acylation or alkylation of the enzymes with reactive monomers is governed to a large extent by the nucleophilicity of the amino acid side radicals and hence by the pH of the reaction solution and the reactivity of the acylating or alkylating monomers used.... Compared with immobilization through activated matrices, the products obtained by the above-described process have a neutral matrix; do not adsorb substrate or reaction product; retain kinetic properties substantially unchanged; and show statistical distribution of the protein in the polymer. 3, record 1, English, - acylation
Record 1, French
Record 1, Domaine(s)
- Chimie
Record 1, Main entry term, French
- acylation
1, record 1, French, acylation
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Substitution, dans une molécule, d'un atome d'hydrogène par un radical acyle R-CO-. [...] C'est une des réactions les plus importantes de la synthèse organique. C'est en général une substitution électrophile, où le réactif peut être un ester, un chlorure ou un anhydride d'acide, et dont l'intervention est bien étudiée en biochimie. 1, record 1, French, - acylation
Record number: 1, Textual support number: 1 CONT
La chymotrypsine est une enzyme qui hydrolyse les protéines en coupant la liaison peptidique entre le carboxyle d'un amino-acide aromatique et l'amide de n'importe quel autre résidu. Dans le mécanisme d'action de la chymotrypsine [...], la désacylation de la protéine est l'étape déterminante de la vitesse de réaction : une étape intermédiaire essentielle est donc l'acylation de la sérine en cours de réaction par le carboxyle du peptide. L'hydrolyse de substrats modèles par la chymotrypsine suggère une catalyse acide-base par un imidazole. 2, record 1, French, - acylation
Record number: 1, Textual support number: 1 OBS
Ne pas confondre avec «alkylation». 3, record 1, French, - acylation
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
Record 1, Main entry term, Spanish
- acilación
1, record 1, Spanish, acilaci%C3%B3n
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2003-03-06
Record 2, English
Record 2, Subject field(s)
- Orbital Stations
Record 2, Main entry term, English
- debris shield
1, record 2, English, debris%20shield
correct, officially approved
Record 2, Abbreviations, English
Record 2, Synonyms, English
- Whipple shield 2, record 2, English, Whipple%20shield
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Kibo's Debris Shield. The International Space Station(ISS) wall is designed to protect the ISS and its crew from space debris. A debris shield is adopted for this particular purpose. A famous astronomer, Fred Whipple, devised this shield, so it is called a Whipple Shield. The idea is to attach a layer of thin aluminum plate outside the wall. When a space debris impacts this outer plate, the kinetic energy of the space debris is converted to heat. This heat creates a hole in the outer plate. However, the debris will evaporate or disintegrate to small particles consisting of gas, liquid and solids and will no longer be able to significantly damage the wall.... a stuffed-shield is adopted on the wall of the front side of Kibo, covering an area of 150 degrees. A stuffed shield binds several kinds of textile layers similar to a bulletproof vest between itself and the wall. This is a reinforced Whipple shield. 2, record 2, English, - debris%20shield
Record number: 2, Textual support number: 1 OBS
The International Space Station will be covered by 200 different types of protection. 3, record 2, English, - debris%20shield
Record number: 2, Textual support number: 2 OBS
debris shield: term officially approved by the International Space Station official approval Group (ISSOAG). 3, record 2, English, - debris%20shield
Record 2, French
Record 2, Domaine(s)
- Stations orbitales
Record 2, Main entry term, French
- bouclier de protection
1, record 2, French, bouclier%20de%20protection
correct, masculine noun, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] tous les modules de la Station spatiale internationale [seront équipés] de boucliers de protection, avec une exception logique pour certaines zones non critiques, comme les panneaux solaires. Deux cents types de protections différentes barderont l'ISS, mais en général elles se composeront d'un bouclier fait de plusieurs couches d'aluminium et de céramique renforcée au kevlar [...] capable d'arrêter une particule de 1 cm de diamètre dont la vitesse ne dépasse pas 7 km/seconde. [...] Dans le cas des modules d'habitation, le bouclier multi-couches [...] est maintenu à plusieurs centimètres de la surface de la paroi [pour une protection accrue]. 2, record 2, French, - bouclier%20de%20protection
Record number: 2, Textual support number: 1 OBS
bouclier de protection : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI). 3, record 2, French, - bouclier%20de%20protection
Record 2, Spanish
Record 2, Textual support, Spanish
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