&
_
…
“.
_
"
't"!
,
N
.
*
€
€"
‘
_
,
.
°‘o‘û«,
t'
.
…
o
_
...…
"
……
…
_
.…
_
..
,
Ü
_
m
…o_—
»«
a
a
O . .
:._
‘
_.
%.
@
‘
î
’
. .
'
-
W‘ 0
0«"°
“'
-=
,
20 [J.
L_._I
FIGURE 20. Sequence of evaporation of ice crystals during freeze drying of ovalbumin showing crystal facets.
Photographs by Courtesy of Dr. Alan Mackenzie, American Foundation for Biological Research.
_
…
“.
_
"
't"!
,
N
.
*
€
€"
‘
_
,
.
°‘o‘û«,
t'
.
…
o
_
...…
"
……
…
_
.…
_
..
,
Ü
_
m
…o_—
»«
a
a
O . .
:._
‘
_.
%.
@
‘
î
’
. .
'
-
W‘ 0
0«"°
“'
-=
,
20 [J.
L_._I
FIGURE 20. Sequence of evaporation of ice crystals during freeze drying of ovalbumin showing crystal facets.
Photographs by Courtesy of Dr. Alan Mackenzie, American Foundation for Biological Research.