Please feel free to read what others say about this name and to share your comments if you have more information.. N.B. The term soil catena is used to describe the lateral variation in soils over a hillslope. The catena concept originated in Central Uganda, by chemist W.S. Dieser „templatgesteuerte“ Ansatz, kann mit der simultanen Anwendung hohen Drucks, in Ausbeuten von über 90 % zu Catenanen führen. Catena-compound meaning Filters (0) (chemistry) Any compound having two or more rings interconnected like the links of a chain , without a covalent bond. chain noun. Information and translations of catena in the most comprehensive … Meaning: The meaning of the name Catena is: Retrained. The importance of a catena is the variation of soils across a small area such as a slope. Lesogo Khomo, Carleton R. Bern, Anthony S. Hartshorn, Kevin H. Rogers, Oliver A. Chadwick, 2013. en The altered times soon restored him to liberty. Die Glieder der Catena spiegeln die landschaftstypische, vorwiegend vom Relief bestimmte genetische und funktionale Verknüpfung der … Die Bezeichnung Catenane geht zurück auf das lateinische Wort catena mit der Bedeutung „Kette“. Para is not used in inorganic chemistry to the best of my knowledge. Definition of catena in the Definitions.net dictionary. catena compound ( plural catena compounds ) ( chemistry) Any compound having two or more rings interconnected like the links of a chain, without a covalent bond. The ridge or hilltop tends to accumulate organic matter that allows formation of an adequate thickness of soil. Ein Beispiel hierfür sind die Catenatriphosphazene. Allenfalls bei hoher Verdünnung der Reaktionspartner bei der mechanischen Verknüpfung und einem großen Überschuss des zuvor gebildeten ersten makrocyclischen Rings, funktioniert dieses Verfahren leidlich. (Eds.). Martin[2] to describe a hill slope sequence at the Bukalasa research station. catena. Meaning of catena compound. (Chemistry) a type of chemical compound in which the molecules have two or more rings that are interlocked like the links of a chain Thus the soil depth, acidity (pH) and soil moisture vary continuously along the slope. Collins Dictionary of Biology, 3rd ed. [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. We will be able to tie up all the loose ends with regard to the issue of the verifiability of food production, the integral chain approach, or in other words the stable-to-table approach. Die Bezeichnung catena- wird in der anorganischen Nomenklatur genutzt, um lineare, kettenförmige Polymere aus identischen mehratomigen Einheiten zu beschreiben. noun catenae, catenas. Definition of catena compound in the Definitions.net dictionary. Many fields of study are taken into consideration when studying catenas, studying catenas could help to understand the influence of soil hydrology on soil formation. catena translation in Latin-English dictionary. Catena, im engeren Sinne Bodencatena; idealisierter Schnitt durch eine Bodenlandschaft zur Beschreibung der Raumstruktur einer Bodengesellschaft; Untersuchung an natürlichen Aufschlüssen, wie Gräben oder Böschungen oder in Sequenzen aus Bodenprofilen. ‘In general, these two closed chains are linked catenanes, and the type of linkage reflects a topological property of the original substrate.’ Martin to describe a hill slope sequence at the Bukalasa research station. Catenane is derived from the Latin catena meaning "chain". range noun. © … "The nine unit landsurface model and pedogeomorphic research". The example of this approach consists first in a … A catena in soil science (pedology) is a series of distinct but co-evolving soils arrayed down a slope. Catenane definition, any of the class of chemical compounds containing two or more rings that are interlocked without being bonded chemically. 1972. More example sentences. Dieses Syntheseprinzip besitzt vorwiegend historische Bedeutung. [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. ): npl plural noun: Noun always used in plural form--for example, "jeans," "scissors. [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. Verwandte Verbindungen in der organischen Chemie sind die Catenane. A catena can form on various underlying or parent materials and in different climates. Julien Frey, Tomá Kraus, Valérie Heitz und Jean-Pierre Sauvage: Diese Seite wurde zuletzt am 24. Sommer, M., Halm, D., Weller, U., Zarei, M., Stahr, K., 2000. Diese Ringe können nicht voneinander getrennt werden, ohne mindestens eine kovalente Ringbindung eines macrocyclischen Ringes zu brechen. Catena, v.a. The result is a predictable sequence of soil facets. Catenae definition: a connected series, esp of patristic comments on the Bible | Meaning, pronunciation, translations and examples Bern, C.R., Chadwick, O.A., 2010. The concept of a catena was developed in order to analyze the regular variation of soils across a slope. 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. nae [kuh-tee-nee],/kəˈti ni/, a chain or connected series, especially of extracts from the writings of the fathers of the Christian church. Am. "Chemical transfers along slowly eroding catenas developed on granitic cratons in southern Africa". Allerdings ist diese Methode sehr ineffizient. Chemistry A molecule which consists of two or more connected rings like links in a chain. [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. Diese Ringe können nicht voneinander getrennt werden, ohne mindestens eine kovalente Ringbindung eines macrocyclischen Ringes zu brechen. Chem. [1] Ernsthafte Versuche der Synthese setzten in den 1950er Jahren ein (unter anderem Arthur Lüttringhaus und Friedrich Cramer, zunächst erfolglos). [5] Toeslope soils are not only higher in moisture content, but are also known to be richer in clay and organic matter. The concept of a catena was developed in order to analyze the regular variation of soils across a slope. [8][9][7], A catena forms when the climate, including precipitation and evaporation, is the same for the whole slope, and when sufficient time has passed for equilibrium to be reached between the processes that bring materials in to a facet and the processes that take materials away. Für die Synthese von Catenanen gibt es zwei unterschiedliche Methoden. Young, A. Sometimes it happens that another name has the same meaning. The property is predominant among carbon atoms, significant among sulfur and silicon atoms, and catena - translate into English with the Italian-English Dictionary - Cambridge Dictionary 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. Die Bezeichnung Catenane geht zurück auf das lateinische Wort catena mit der Bedeutung Kette. Catena Rhyming, similar names and popularity. "Potential terrain controls on soil color, texture contrast and grain-size deposition for the original catena landscape in Uganda". 1 technical A connected series or chain. Die Synthese von Catenanen mittels gerichteter kovalenter Bindungen (nach einem grundsätzlichen Konzept von Wasserman und Harry L. Frisch) erfolgte 1964 durch Lüttringhaus und Gottfried Schill. "Lateral podzolization in a granite landscape". Ab Anfang der 1990er Jahre synthetisierte er n-Catenane (mit n=2 bis 7 Ringen). More meanings for catena. 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. The interlocked rings cannot be separated without breaking the covalent bonds of the macrocycles. Meaning of catena. ": catenae 3 Brown, David J., Murray K. Clayton, and Kevin McSweeney, 2004. 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, … Interpretation Translation  catena. Information and translations of catena compound in the most comprehensive dictionary definitions resource on the web. Catenane sind in der Chemie Stoffe, die aus zwei oder mehr mechanisch (wie Glieder einer Kette) verknüpften Ringen – meist Makrocyclen – bestehen. 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 . Pyro, meaning fire in Greek, is a prefix for something that has to do with being burnt in some way. What does catena mean? Er führte auch den Begriff Catenane ein. a molecule containing two or more intertwined rings. 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]. Das Olympiadan hat keinen expliziten Zweck, sondern ist lediglich ein Beitrag zur Grundlagenforschung, die Synthese sollte die Machbarkeit solcher Synthesen untersuchen.[6]. 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. Into sections known as a ridge, crest, midslope, and Kevin McSweeney, 2004:...: both names have the same numbers of numerology the interlocked rings can not be separated breaking! Deposition for the original catena landscape in Uganda '' mature catena is the variation soils. Martin to describe these soil-topography units Bodenkunde entwickelt, stellt das Catena-Prinzip z.B noun always used plural! 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