DataMuseum.dk

Presents historical artifacts from the history of:

RC4000/8000/9000

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⟦458f57eb4⟧ TextFile

    Length: 1536 (0x600)
    Types: TextFile
    Names: »han«

Derivation

└─⟦621cfb9a2⟧ Bits:30002817 RC8000 Dump tape fra HCØ.  Detaljer om "HC8000" projekt.
    └─⟦0364f57e3⟧ 
        └─⟦this⟧ »han« 

TextFile

opløselighed med ionstyrke
begin
  real L,s,s1,I,lnL,f;
  integer ip,in,lp,zn;
  L:=readr(<:opl.produkt:>);
OM:
  lp:=readi(<:positiv ions ladning:>);
  zn:=readi(<:negativ  -      -:>);
  if zn<0 then zn:=-zn;
  if lp<=0 or zn=0 then
  begin
    write1(out,<:illegal ladning:>);
    goto OM
  end;
  if zn mod lp=0 then
  begin
    in:=1; ip:=zn//lp 
  end
  else
  if lp mod zn=0 then
  begin
    ip:=1; in:=lp//zn
  end
  else
  begin
  ip:=zn; in:=lp; end;
  write1(out,<:sammensætning:  P:>,ip,<:  N:>,in,'nl',1);
  lnL:=ln(L/ip**ip/in**in)/(ip+in);
  f:=.509*ln10*(ip*lp*lp+in*zn*zn)/(ip+in);
  s:=0;
L1:
  I:=.5*(lp**2*ip+zn**2*in)*s;
  s1:=exp(lnL+f*sqrt(I)/(1+sqrt(I)));
  if abs(s-s1)>.001*s then
  begin
    s:=s1;
    goto L1
  end;
  write1(out,<:opløselighed:>,s,<: mol/l:>)
end
▶EOF◀