Runge variant

Zur Herstellung aliphatischer Carbonsauren durch eine elektrochemische Variante der Koch-Carbonylie-rung (vgl. S.315) in supersauren Medien s.Lit.416. 

The Runge-Kutta-Fehlberg variant is usually slightly better than the other variants. 

BzzOdeRKS. Similar to the Fehlberg variant, fourth/fifth-order Runge-Kutta-Sarafyan method. 

Historical Indian term for the pigment known as Indian yellow q.v). There were numerous orthographic and other variants such as peori, purree, pioury, purrea Arabica, Hardwari peori, peri rung,peoli emd Monghyr purl (Baer et al., 1986). 

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