====== Crd-Grt: Perchuk, 1989 ====== === Details === This sensor from [[:about_tpf|TPF]] collection ^ Article | | ^ Collibration | | ^ Precision | | ^ Ranges | | ^ Renew sensors | | * заголовок * краткое описание * статья * ссылка * карточка * подробное описание * код * тест === Source === source("utilities_tpf.r"); sensors.t.crd_grt_perchuk_1989 <- function(Crd, Grt, P, ...){ Grt <- tpf.recalc_minaral("GRT",Grt); Crd <- tpf.recalc_minaral("CRD",Crd); X <- Crd$Mg_pfu / (Crd$Mg_pfu + Crd$Fe_p2_pfu + Crd$Fe_p3_pfu + Crd$Mn_pfu); Y <- Grt$Mg_pfu / (Grt$Mg_pfu + Grt$Fe_p2_pfu + Grt$Fe_p3_pfu + Grt$Mn_pfu); K <- - log(Y * (1 - X) / (1 - Y) / X); T <- (3125 + 0.0176 * (P * 1000 - 6000)) / (K + 1.135) - 273; warning(" CAN BE USED ONLY FOR 350 {{tag> tpf Crd Grt }}