====== Grt-Bt: Ferry, Spear, 1977 ======
 
=== Details ===

<WRAP center round info 60%>
This sensor from [[:about_tpf|TPF]] collection
</WRAP>

^ Article |  |
^ Collibration |  |
^ Precision |  |
^ Ranges |  |
^ Renew sensors |  |

<use:sensors.t.grt_bt_ferry_spear_1977>
<test:sensors.t.grt_bt_ferry_spear_1977>

<WRAP center round todo 60%>
  * <del>заголовок</del>
  * краткое описание
  * статья
  * ссылка
  * карточка
  * подробное описание
  * <del>код</del>
  * тест
</WRAP>

=== Source ===
<Code linenums lang-r>
source("utilities_tpf.r");

sensors.t.grt_bt_ferry_spear_1977 <- function(Grt, Bt, P, ...){
    Bt <- tpf.recalc_minaral("BT",Bt);
    Grt <- tpf.recalc_minaral("GRT",Grt);

    X <- Grt$Mg_pfu / (Grt$Fe_p2_pfu + Grt$Fe_p3_pfu);
    Y <- Bt$Mg_pfu / (Bt$Fe_p2_pfu + Bt$Fe_p3_pfu);
    T <- (13390 + 0.057 * P * 1000) / (5.723 - 3 * 1.9872 * log(X / Y)) - 273;
    return(data.frame(Name=paste0(Grt$Name,"-", Bt$Name),P=P,T_calc=T));
}

sensors.t.grt_bt_ferry_spear_1977.args <- function(){
    ars <- list();
    ars$minerals <- c("Grt", "Bt");
    ars$ranges <- c("P");
    return(ars);
}

#sensors.t.grt_bt_ferry_spear_1977.test <- function(){
#
#}
</Code>

{{tag> tpf Grt Bt }}