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6 thoradh

  1. INDUSTRY|chemistry

    #564960

    IATE #1684575
    isiméir Tagairt Rialachán (CE) Uimh. 1272/2008 maidir le haicmiú, lipéadú agus pacáistiú substaintí agus meascán, agus lena leasaítear agus lena n-aisghairtear Treoir 67/548/CEE agus Treoir 1999/45/CE, agus lena leasaítear Rialachán (CE) Uimh. 1907/2006, CELEX:32008R1272/GA Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Comhthéacs 'I gcás ina bhfuil substaint ghníomhach táirge íocshláinte tréidliachta cineálaigh comhdhéanta de shalainn, eistir, éitir agus isiméir agus de mheascáin d’isiméir, de choimpléisc nó de dhíorthaigh atá éagsúil ón tsubstaint ghníomhach a úsáidtear sa táirge íocshláinte tréidliachta tagartha, measfar gurb í an tsubstaint ghníomhach chéanna í agus a úsáidtear sa táirge íocshláinte tréidliachta tagartha, mura bhfuil difríocht shuntasach eatarthu i ndáil le hairíonna i dtaca le sábháilteacht nó éifeachtúlacht.' Tagairt Rialachán (AE) 2019/6 maidir le táirgí íocshláinte tréidliachta agus lena n-aisghairtear Treoir 2001/82/CE, CELEX:32019R0006/GA
    Isomer
    de
    Sainmhíniú Zwei oder mehr Verbindungen mit gleicher Summenformel, aber mit unterschiedlichem Molekülbau (Struktur, Konstitution) und unterschiedlichen physikal. und (…) auch chem. Eigenschaften. Tagairt Der Brockhaus, Naturwissenschaft und Technik, Bibliographisches Institut & F. A. Brockhaus AG, Mannheim, Spektrum Akademischer Verlag GmbH, Heidelberg, 2003
    isomer
    en
    Sainmhíniú one of several species (or molecular entities) that have the same atomic composition (molecular formula) but different line formulae or different stereochemical formulae and hence different physical and/or chemical properties Tagairt 'isomer' (4.12.2019), IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook (4.12.2019)
    Nóta For the classification of isomers, please see the graphic.
    isomère
    fr
    Sainmhíniú Composés possédant la même formule brute (leurs molécules sont donc formées des mêmes atomes, en nombre égal), mais non de la même formule développée Tagairt Règlement (CE) n° 1272/2008 du Parlement européen et du Conseil du 16 décembre 2008, CELEX:32008R1272/FR
  2. INDUSTRY|chemistry

    #564961

    IATE #1684578
    eanantaiméir Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    optisches Isomer | Enantiomer
    de
    enantiomer | optical isomer
    en
    Sainmhíniú one of a pair of molecular entities which are mirror images of each other and non-superposable Tagairt IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. http://goldbook.iupac.org/E02069.html [4.9.2009]
    Nóta An enantiomer can be named by the direction in which it rotates the plane of polarized light. If it rotates the light clockwise (as seen by a viewer towards whom the light is traveling), that enantiomer is labeled (+). Its mirror-image is labeled (−). The (+) and (−) isomers have also been termed d- and l-, respectively (for dextrorotatory and levorotatory). This labeling is easy to confuse with D- and L-.An optical isomer can be named by the spatial configuration of its atoms. The D/L system does this by relating the molecule to glyceraldehyde. Glyceraldehyde is chiral itself, and its two isomers are labeled D and L (typically typeset in small caps in published work).The D/L labeling is unrelated to (+)/(−); it does not indicate which enantiomer is dextrorotatory and which is levorotatory. Rather, it says that the compound's stereochemistry is related to that of the dextrorotatory or levorotatory enantiomer of glyceraldehyde—the dextrorotatory isomer of glyceraldehyde is, in fact, the D isomer.The D/L system remains in common use in certain areas of biochemistry, such as amino acid and carbohydrate chemistry, because it is convenient to have the same chiral label for all of the commonly occurring structures of a given type of structure in higher organisms. In the D/L system, they are nearly all consistent - naturally occurring amino acids are nearly all L, while naturally occurring carbohydrates are nearly all D.
    isomère optique
    fr
    Sainmhíniú molécule différant par son activité optique Tagairt Lalanne Marcel,Gloss.de biochimie,Département de biochimie,Faculté de médecine,Université Laval,Québec,1998
  3. INDUSTRY|chemistry

    #564962

    IATE #1684579
    steiré-isiméir Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Stereoisomer
    de
    stereoisomers
    en
    Sainmhíniú isomers which possess identical constitution, but which differ in the arrangement of their atoms in space Tagairt IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8 http://goldbook.iupac.org/S05984.html [7.9.2009]
    Nóta They comprise enantiomers, diastereoisomers, cis-isomers and trans-isomers.
    stéréoisomère | isomère stérique
    fr
    Sainmhíniú molécule différant par leur configuration, tel le glucose et le galactose, deux hexoses, ou le D-lactate et le L-lactate, d'un isomère optique Tagairt ---
  4. INDUSTRY|chemistry

    #547838

    IATE #1140571
    tras-isiméir Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    trans-isomer
    en
    Sainmhíniú stereoisomeric olefins or cycloalkanes (or hetero-analogues) which differ in the positions of atoms (or groups) relative to a reference plane: in the cis-isomer the atoms are on the same side, in the trans-isomer they are on opposite sides. Tagairt IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8 [4.9.2009]
    Nóta See graphic
    isomère trans
    fr
  5. AGRI-FOODSTUFFS|processed agricultural produce|fats · INDUSTRY|chemistry · SOCIAL QUESTIONS|health|nutrition

    #568380

    IATE #1898697
    aigéad tras-sailleach Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Transfettsäure | transisomere Fettsäure | trans-Fettsäure
    de
    Sainmhíniú ungesättigte Fettsäuren mit einer oder mehreren Doppelbindungen in trans-Konfiguration, die sowohl durch natürliche als auch durch lebensmitteltechnologische Prozesse entstehen Tagairt Deutsche Gesellschaft f. Ernährung https://www.dge.de/wissenschaft/weitere-publikationen/fachinformationen/trans-fettsaeuren/ (21.6.2018)
    Nóta Hauptquelle für trans-Fettsäuren in der menschlichen Ernährung sind Lebensmittel, bei deren Herstellung hydrierte Fette verwendet werden.
    transfat | transfats | TFA | trans fatty acid | trans fat
    en
    Sainmhíniú unsaturated fatty acid with a trans arrangement of the carbon atoms adjacent to its double bonds Tagairt "trans-fatty acid" noun > The Oxford Dictionary of English (revised edition) > Ed. Catherine Soanes & Angus Stevenson > Oxford University Press, 2005 > Oxford Reference Online > DGT, http://www.oxfordreference.com/views/ENTRY.html?subview=Main&entry=t140.e81408 (30.4.2009)
    Nóta Such acids occur especially in margarines and cooking oils as a result of the hydrogenation process.
    AGT | isomère trans d'acides gras | AG trans | acide gras trans | graisse trans
    fr
    Nóta molécule incurvée au départ et redressée par hydrogénation
  6. INDUSTRY|chemistry

    #573763

    IATE #3508593
    cis-isiméir Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    cis-isomer
    en
    Sainmhíniú stereoisomeric olefins or cycloalkanes (or hetero-analogues) which differ in the positions of atoms (or groups) relative to a reference plane: in the cis-isomer the atoms are on the same side, in the trans-isomer they are on opposite sides Tagairt IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org/C01093.html (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8 [4.9.2009]
    Nóta See graphic
    isomère-cis
    fr