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Now showing items 4068-4072 of 6742

N- vs O-Coordination in cyclomanganation of 1,5-diaryl-3-(2-pyridyl)pentane-1,5-diones and 3-(2-pyridyl)chalcones; cyclomanganation at saturated carbon and the crystal structure of [1,5-diphenyl-κC2-3-(2-pyridyl- κN)pentan-2-yl-κC2-1,5-dione-κO1κO5]tetracarbonylmanganesetricarbonylmanganese

Tully, Warren; Main, Lyndsay; Nicholson, Brian K. (2005)

Reaction of 1,5-diphenyl-3-(2-pyridyl)pentane-1,5-dione (5a) with 2.5 moles of benzylpentacarbonylmanganese in petroleum spirit under reflux gives a small amount of the symmetric di-aryl-manganated product [1,5-diphenyl- ...
N-Heterocyclic carbene gold(I) and silver(I) adducts of [Pt₂(μ-S)₂(PPh₃)₄]

Henderson, William; Oliver, Allen G. (Elsevier, 2011)

Reaction of the metalloligand [Pt₂(μ-S)₂(PPh₃)₄] with the N-heterocyclic carbene (NHC) complexes IPrAuCl, IMesAuCl and IMesAgCl in methanol gave the first examples of metal adducts of [Pt₂(μ-S)₂(PPh₃)₄] that contain NHC ...
Nachhaltigkeits locken in der frohkindlichen erziehung: Paraoigma tischer uno padagogischer wandel in Aotearoa Neuseelano?

White, E. Jayne; Kelly, Janette (Goethe Institut., 2011)

Dieser Beitrag antwortet auf die von Julie Davis' geau berte critik an einer erheblichen forschungsl ocke im zusammenhang mit dem forschungsdiskurs zur nachhaltigkeit im bereich der frohkindlichen padagogik. Ihre Kritik ...
Naive Bayes for regression

Frank, Eibe; Trigg, Leonard E.; Holmes, Geoffrey; Witten, Ian H. (University of Waikato, Department of Computer Science., 1998)

Despite its simplicity, the naïve Bayes learning scheme performs well on most classification tasks, and is often significantly more accurate than more sophisticated methods. Although the probability estimates that it ...
Naïve Bayes for text classification with unbalanced classes

Frank, Eibe; Bouckaert, Remco R. (Springer, Berlin, 2006)

Multinomial naive Bayes (MNB) is a popular method for document classification due to its computational efficiency and relatively good predictive performance. It has recently been established that predictive performance can ...