catena. (Eds.). Inflections of 'catena' (n noun: Refers to person, place, thing, quality, etc. Diese Ringe können nicht voneinander getrennt werden, ohne mindestens eine kovalente Ringbindung eines macrocyclischen Ringes zu brechen. Diese nicht-kovalenten Wechselwirkungen kompensieren die entropischen Nachteile des Assoziation und lenken die Edukte an günstige Plätze für die Bildung der gewünschten Catenane beim letzten Ringschluss. Catenate definition is - to connect in a series : link. Translations in context of "catena" in Italian-English from Reverso Context: catena alimentare, catena di approvvigionamento, reazione a catena, catena di comando, catena di produzione A catena can form on various underlying or parent materials and in different climates. Allerdings ist diese Methode sehr ineffizient. catena. Pyro, meaning fire in Greek, is a prefix for something that has to do with being burnt in some way. a molecule containing two or more intertwined rings. [5] Toeslope soils are not only higher in moisture content, but are also known to be richer in clay and organic matter. 1972. In addition, the top facets lose materials such as mineral salts when these are washed out by rain (eluviation), while the bottom facets gain materials when these are washed in (illuviation).[10][11]. "The soil catena: a systematic approach". Nettleton, W.D., Flach, K.W., Borst, G., 1968. https://en.wikipedia.org/w/index.php?title=Catena_(soil)&oldid=993080474, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 December 2020, at 18:03. Sometimes it happens that another name has the same meaning. chain noun. ): npl plural noun: Noun always used in plural form--for example, "jeans," "scissors. Chemistry A molecule which consists of two or more connected rings like links in a chain. Meaning: The meaning of the name Catena is: Retrained. David B. Amabilino, Peter R. Ashton, Anatoli S. Reder, Neil Spencer, J. Fraser Stoddart: 10.1002/1521-3897(200006)342:5<437::AID-PRAC437>3.0.CO;2-7, https://de.wikipedia.org/w/index.php?title=Catenane&oldid=188888531, „Creative Commons Attribution/Share Alike“. In: Birkle, P., Torres-Alvarado, I.S. Bern, C.R., Chadwick, O.A., 2010. Allenfalls bei hoher Verdünnung der Reaktionspartner bei der mechanischen Verknüpfung und einem großen Überschuss des zuvor gebildeten ersten makrocyclischen Rings, funktioniert dieses Verfahren leidlich. [1] Each soil type or "facet" differs somewhat from its neighbours, but all occur in the same climate and on the same underlying parent material. The interlocked rings cannot be separated without breaking the covalent bonds of the macrocycles. The term soil catena is used to describe the lateral variation in soils over a hillslope. 3 Brown, David J., Murray K. Clayton, and Kevin McSweeney, 2004. How to use catenate in a sentence. Catena definition is - a connected series of related things. The DNA is catenated. Catenation, chemical linkage into chains of atoms of the same element, occurring only among the atoms of an element that has a valence of at least two and that forms relatively strong bonds with itself. Sauvage erhielt unter anderem dafür 2016 den Nobelpreis für Chemie. Die Bezeichnung catena- wird in der anorganischen Nomenklatur genutzt, um lineare, kettenförmige Polymere aus identischen mehratomigen Einheiten zu beschreiben. The example of this approach consists first in a structural component, the recurring pattern of certain soils in a landscape transects in which every chain element has its place in the chain, a soil has it in a landscape. Catena-compound meaning Filters (0) (chemistry) Any compound having two or more rings interconnected like the links of a chain , without a covalent bond. Er führte auch den Begriff Catenane ein. More meanings for catena. Catenane is derived from the Latin catena meaning "chain". Definition of catena compound in the Definitions.net dictionary. Ab Anfang der 1990er Jahre synthetisierte er n-Catenane (mit n=2 bis 7 Ringen). Neben den Catenanen zählen Rotaxane und molekulare Knoten zur Gruppe der mechanisch verknüpften molekularen Architekturen. "Potential terrain controls on soil color, texture contrast and grain-size deposition for the original catena landscape in Uganda". They are conceptually related to other mechanically interlocked molecular … Potremo risolvere tutto quello che è ancora rimasto in sospeso in materia di verificabilità della produzione alimentare, dell’approccio alla catena completa, o in altri termini dell’approccio . catena translation in Latin-English dictionary. Thus, compound (a) in Figure 9 is a [2]catenane. Find more Latin words at wordhippo.com! Ein Beispiel hierfür sind die Catenatriphosphazene. Meaning of catena compound. Die zweite Methode beruht auf supramolekularer Präorganisation der makrocyclischen Vorläufer unter Ausnutzung von Wasserstoffbrückenbindungen, der Koordination von Metallen, hydrophoben Kräften oder Coulomb-Wechselwirkungen. Understanding the soils that make up a catena could facilitate the mapping of soils across a given region. Die Synthese von Catenanen gelang aber lange nur in geringen Ausbeuten und komplizierten Syntheseschritten, bis die Templatmethode mit Metallkomplexen von Jean-Pierre Sauvage von 1983[5] das Gebiet revolutionierte. Die Bezeichnung Catenane geht zurück auf das lateinische Wort catena mit der Bedeutung Kette. Neben den Catenanen zählen Rotaxane und molekulare Knoten zur Gruppe der mechanisch verknüpften molekularen Architekt… Catena name meaning, Australian baby Girl name Catena meaning,etymology, history, presonality details. Conacher, A.J., Dalrymple, J.B., 1977. ‘Since then catenas have been recognized in a variety of areas and under a variety of climatic conditions, an indication of the strength of the relationship between soil and topography.’. [10] A catena is thus an open system which has continuous input and output processes. "Chemical transfers along slowly eroding catenas developed on granitic cratons in southern Africa". The example of this approach consists first in a … The concept of a catena was developed in order to analyze the regular variation of soils across a slope. Bodenprofile, geomorphologische Formen) beschreibt.Ursprünglich in der Bodenkunde entwickelt, stellt das Catena-Prinzip z.B. chain. Dies ist der so genannte „statistische Ansatz“ der zur ersten Synthese eines Catenans führte. There is nothing surprising in this: both names have the same origin or the same numbers of numerology. [3][4] A slope can be broken into sections known as a ridge, crest, midslope, and toeslope. What does catena mean? Julien Frey, Tomá Kraus, Valérie Heitz und Jean-Pierre Sauvage: Diese Seite wurde zuletzt am 24. ‘In general, these two closed chains are linked catenanes, and the type of linkage reflects a topological property of the original substrate.’ "The nine unit landsurface model and pedogeomorphic research". Sommer, M., Halm, D., Weller, U., Zarei, M., Stahr, K., 2000. More example sentences. "Lateral podzolization in a granite landscape". English Translation. Catena Rhyming, similar names and popularity. [10][11] On a permeable basic rock such as chalk, the catena may consist of thick brown earths on the flatter facets, with thin rendzinas on the steeper slopes, while the valley bottom may include alkaline fen peat or river alluvium. concatenamento. Hence, pyrophosphates were initially prepared by heating hydrogen phosphates to red glow. How to use catena in a sentence. What does catena mean in Italian? [4] Eine andere Methode geht auch auf Wasserman (und unabhängig dem Chemiker bei DuPont Norman M. van Gulick Ende der 1950er Jahre) zurück, die Möbiusband-Synthese, realisiert in den 1980er Jahren durch David M. Walba. (from Latin catena, chain) an arrangement of two or more circular DNA molecules interlocked like links on a chain. Am. Catenane definition, any of the class of chemical compounds containing two or more rings that are interlocked without being bonded chemically. Steeper slope or crest sections tend to be freely drained, while at the bottom of slopes or toeslopes there is usually higher in moisture content due to poor drainage. What does catena compound mean? noun catenae, catenas. Guzmán Gil‐Ramírez, David A. Leigh, Alexander J. Stephen: Catenane, fünfzig Jahre molekulare Verschlingungen, Angewandte Chemie, Band 127, 2015, S. 6208–6249, E. Wasserman, J. Catenane sind in der Chemie Stoffe, die aus zwei oder mehr mechanisch (wie Glieder einer Kette) verknüpften Ringen – meist Makrocyclen – bestehen. It aims to disseminate new knowledge and foster better understanding of the physical environment, of evolutionary sequences that have resulted in past and current landscapes, … Soc., Band 82, 1960, S. 4433–4434, Edel Wasserman: Chemical Topology, Scientific American, November 1962, Lüttringhaus, Schill, Gezielte Synthese von Catena‐Verbindungen (1), Angewandte Chemie, Band 76, 1964, S. 567–568. Catena publishes papers describing original field and laboratory investigations and reviews on geoecology and landscape evolution with emphasis on interdisciplinary aspects of soil science, hydrology and geomorphology. Catenas are found to be a great location for the study of soil science, given that the catena concept focuses on past history of the land surface, on hydrology, erosion, sediment transport, and pedogenic processes. A catenane is a mechanically-interlocked molecular architecture consisting of two or more interlocked macrocycles, i.e. Catenae definition: a connected series, esp of patristic comments on the Bible | Meaning, pronunciation, translations and examples Martin to describe a hill slope sequence at the Bukalasa research station. [1] Ernsthafte Versuche der Synthese setzten in den 1950er Jahren ein (unter anderem Arthur Lüttringhaus und Friedrich Cramer, zunächst erfolglos). Catena, v.a. Im Jahre 1994 gelang den Forschern James Fraser Stoddart und David Amabilino und ihren Forschungsgruppen die Synthese eines [5]-Catenans, dass sie Olympiadane (deutsch Olympiadan) nannten, in Anlehnung an die fünf olympischen Ringe. Information and translations of catena compound in the most comprehensive dictionary definitions resource on the web. range noun. catena - translate into English with the Italian-English Dictionary - Cambridge Dictionary On a steeper slope in the middle of a catena, erosion, such as by runoff, is faster, so facets are typically thinner and drier. "Quantifying colloid mass redistribution in soils and other physical mass transfers". nae | , | , | [1] ''Grundbedeutung'' die Fessel, die Kette | [2] ''metaphorisch'' das Band, die Fessel | [1] | [1, 2] , Seite 79, Eintrag „catena“ | [1, 2] | cadenas, c [..] Quelle: de.wiktionary.org: 2: 0 0. catena. A catena in soil science (pedology) is a series of distinct but co-evolving soils arrayed down a slope. ": catenae in der Bodenkunde, Bodengeographie und Geomorphologie gebrauchter Begriff, der, in Abhängigkeit von sich ändernden Reliefbedingungen, die kausale Verkettung der Entwicklung von einzelnen Catena-Elementen (z.B. In. Das Olympiadan hat keinen expliziten Zweck, sondern ist lediglich ein Beitrag zur Grundlagenforschung, die Synthese sollte die Machbarkeit solcher Synthesen untersuchen.[6]. Mai 2019 um 01:22 Uhr bearbeitet. Definition of catena in the Definitions.net dictionary. Lesogo Khomo, Carleton R. Bern, Anthony S. Hartshorn, Kevin H. Rogers, Oliver A. Chadwick, 2013. The ridge or hilltop tends to accumulate organic matter that allows formation of an adequate thickness of soil. [10] On impermeable acid rocks such as metamorphic schists in a high rainfall climate like that of Western Scotland, the catena consists of thick acidic peat forming wet bog on the flatter facets, and thinner, drier, somewhat less acidic peaty podsols on the steeper facets. Martin[2] to describe a hill slope sequence at the Bukalasa research station. Interpretation Translation  catena. Catenanes, from the Latin word catena, meaning chain, are molecules containing two or more interlocked rings that are inseparable unless a covalent bond is broken. Die Idee der Synthese verzahnter Moleküle wird meist Richard Willstätter in einem Seminar in Zürich zwischen 1906 und 1912 zugeschrieben. Bei der Durchführung einer Cyclisierungsreaktion kann man darauf hoffen, dass sich die Ringe vor dem zweiten und bei weiteren Cyclisierungen so anordnen, dass sich das gewünschte Catenan bildet. The catena concept originated in Central Uganda, by chemist W.S. [7], Catenas can also develop on low relief hillslopes, but because less potential energy is available the redistribution of mass can be dominated by subsurface flow of plasma, a combination of dissolved and suspended solids in soil water. Verwandte Verbindungen in der organischen Chemie sind die Catenane. Young, A. A mature catena is in equilibrium as the processes of deposition and erosion are in balance. 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Chadwick, O.A.,.. Be broken into sections known as a slope can be broken into sections known as a slope Halm! R. Bern, Anthony S. Hartshorn, Kevin H. Rogers, Oliver A. Chadwick O.A.... Dafür 2016 den Nobelpreis für Chemie 2 ] catenane given region involved in brackets... Of deposition and erosion are in balance down a slope ridge, crest, midslope, Kevin! Mcsweeney, 2004 die aus zwei oder mehr mechanisch ( wie Glieder einer )... Landsurface model and pedogeomorphic research '' sauvage erhielt unter anderem dafür 2016 den Nobelpreis für.! Please feel free to read what others say about this name and to share your if!, M., Halm, D., Weller, U., Zarei, M., Halm, D. Weller! To the name of the name of the class of chemical compounds containing two or more rings that are without. Catena was developed in order to analyze the regular variation of soils across a.... Zur ersten Synthese eines Catenans führte sections known as a ridge, crest, midslope, and Kevin McSweeney 2004. Open system which has continuous input and output processes used in plural form -- example! S. I. Khan y. Liu, S. A. Vignon, X. Zhang, A.... Restored him to liberty soil facets K., 2000 in: Birkle, P., Torres-Alvarado,.! Heitz und Jean-Pierre sauvage: diese Seite wurde zuletzt am 24 ohne mindestens eine kovalente Ringbindung eines Ringes. Bonded chemically Ringen meist Makrocyclen bestehen, 2004 that are interlocked without being bonded chemically and to your...