Title:
1 ?????? ??????? ??????? ???????? ????? ???????
??????? ????????????? ??????? ??????? ? ????????
???????? ???????? Food Processing by High
Pressure, Microwave Heating, Ohmic Heating, and
Continuous Thermal Processing ?.?/???? ????
??? Â ??? ??????? ???????? ????? ???? ??????? ?
??????? ?????? ????? ????
  Â
2?????
- ??? ?????? ??????? ??????? ???????? ?????
?????????????? ?????? (High Pressure Processing,
HPP) ? ??????? ????????????(Microwave Heating,
MH) ? ??????? ?????? (Ohmic Heating, OH) ??
?????? ??????? ??????? ??? ????????? ? ???????
??????. ??? ????? ???????? ???????? ????????
??????? (Continuous Thermal Processing) ???? ??
???????? ???????? ?? ??????? ??????? ?? ????
????? ??? ???? ?????? ????? ? ??????? ? ??????? ?
??????? ???????. - ? ??????? ??? ???????? ??? ??????? ??????? ????
???????? ???????? ????????? ??????.
3(1) ??????? ??????? ?????? ??????High Pressure
Processing (HPP)
- ??????? ?????? ?????? (?? ????? ???????????????
??????) ?? ????? ??? ?????? ????? ?????? ?????? ?
??? ??????? ?????? ?????? ?? ???? ????? ????
???????? ???????? ?????? ??????? ?????????
??????? ?????? ?? ???????? ?????? ??? ??????
?????? ? ???????? ? ?????? ???????? ????????
???????? ? ????? ???? ????????. - ?????? ??????? ????? ?????? (400 ??? 600 ????
?????? ?? 05800 ??? 87000 ??? ?????? ???????) ???
????? ????? ????? ?? ?????? ?? ?????? 6 ??? 45 ??
? ???? ?? ???? 2 ??? 10 ?????. - ??? ????? ??????? ??????? ?????? ?????? ??? ????
???????? ?? ?????? ??????? ??????? ??????? ????
?????? ?????? ???????.
4- ????? ????? ??????? ?????? ?????? ??????? ?????
??? ????? ???? ???? ?? ????? ???? ???? ??? ??????
?????? ? ?????? ??? ???? ????? ?????? ???? ??????
?? ???? ?????. - ??? ????? ????? ?????? ?????? ????? ???? ???????
???????? ???????? ??? ?????? ???? ??? ????? ????
?????? ???? ???? ??? ?? ???? ?????? ??? ?? ???
????? ????? ????? ?????? ????? ????? ???? ?????
?? ????? ?????? ???? ??? ??? ?????? ??? ?????
?????? ??????? ?????? ?????? ??????.? ???
???????? ??? ??? ????? ????? ????? ????? ?????
??? ????? ??????.
5- ????? ??????? ?????? ?????? ??? ??????? ???? ????
??????? ??????? ???? ????? ????? ????? ? ??? ????
??????? ???? ??????? ??????? ??????? ??????? ????
???? ??? ??????? ? ?????????? ? ????? ...???. - ??????? (1.1) ? (1.2) ? (1.3) ???? ????? ????
??????? ?????? ??????. - ??? (1.1). ??? ?????? ????? ???????????????
???????? ?? ????? ??????? ?????? ??????.
6- ??? (1.2).?????? ??????? ??????? ?????? ??????
?????? ??????-??????.
7- ??? (1.3).???? ?????? ?????? ??????? ??????
??????????????? ??????.
8- ??????? ???? ???? ??????? ?????? ???????????????
?????? ???? ?? ??? - (?) ??????? ?????? ? ??? ??? ?????? ??????? ?
??????? ??? ????? - 1- ?????? ?????? ?????? ??????? ?? ???????? 2-
??????? 3- ??????? ? ???????? ??????? ? ????????
??????? 4- ??????? ??????? ????? ?
???????????(???? ?????????) ? ????? ? ???????? ?
????? 5- ??????? ??????? ??????? ??????? ????? ?
???????? ? ????????? 6- ????????? - (?) ??????? ??????? ??????? ???????? ?? ?????
???? - 1- ?????? ??????? 2- ????? ??????? 3- ????????
???????? ?????? - ??????? ???? ?? ???? ???????? ?????? ?????
??????????????? ?????? - 1- ????? 2- ??????? ??????? ?? ????? ???? ???
??????? ???????? ????????? 3- ??????? ??? ???????
??????? ??????? ???? ??? ??????? ? ???????
???????.
9- ???? ??? (1.4) ????? ??? ??????? ??????? ??????
????? ??????????????? ??????. - ??? (1.4). ??? ??????? ??????? ?????? ?????
??????????????? ??????.
10- ???? ??????? ??????? ?????? ????? ???????????????
?????? ????????? ?????? ??? ?????? ? ?????? ?
????? ??????? ? ??????? ? ???????? ??? ????????
???????? ? ????? ???? ???????? ? ??????? ??
????????? ?????? ???????? ????????. - ????? ???? ???????? ???????? ??????? ? ???????
?????? - ?? ??????? ????? ????? ??????????????? ?????? ??
????? ??????? ??????? ??????? ? ????? ???????
??????? ???? ?? ?????? ?? ???? ????? ???? ???
????? ??????? ???? ?????? ?????? ?????? ???????
(HACCP) ??????? ?? ??? ????? ?????? ? ??????
????????? (FDA) ? ???? ????? ????? ?????????
???????? ???????? ????? 5log . ????? (5log????)
? ???? ?? ????? ?? ??? ????? ?????? ? ??????
????????? ? ???? ??? ???? ? ?????? ?????????
????? ??? ??? ?????? ????? ????? ???????????????
?????? ?????? ?????? ???????? ?? ??????? ???????
? ??????? ????? ??? ?????? ??????? ????? ?
???????? ??????? ? ??????? ??????? ?????? .
11- ???? (1.1). ????? ???? ???????? ??????? ?? ????
?????? ??????.
12- ??? (1.5). ????? ????? ?????????????? ?????? ?
??? ?????? ??? ???? ?????? ??????? ????? ???????
?????????????
13- ??? (1.6). ????? ????? ?????????????? ?????? ???
????? ???? ???????? ??????? ?? ??????? ?????
????? ????? ???? ?????? ???????? ? ?????
14- ???????? ??? ???????? ???????? ? ????? ????
???????? ???????? ???????? ??????? ??????
??????????????? ?????? - ????? ????? ??????? ?????? ???????????????
??????? ??? ?????? ?? ???????? ?????? ?????????
??????? ????? ?? ????? ???? ???????? ????? ??????
??? ?? ???? ??? ???? ?????? ?? ??????? (1.7)
??? (1.10) ?????. - ??? (1.7). ????? ????? ?????????????? ?????? ???
??????? ? ? ??? ??????? ? ???????? ?? ????
???????? ???????.
15- ??? (1.8). ???? ???????? ??????? ?????? ? ???????
?????? ?????????????? ?????? ???? ??? 85 ??
??????? ? ??? ?????? ??? ???? ????? 4 ?? ???? 20
????? ?????? ???????? ??? 40 ?? ????????? ???
?????? ???????.
16- ??? (1.9). ???? ???????? ????? ????? ????????
????? ?????? ? ??? ?????? ?????? ?????
??????????????? ??????.
17- ??? (1.10).????? ???? ???????? ? ???? ??????
(?????????????? ??????? ???????) ????? ???????
????? ???????? ?????? ????? ???????????????
??????.
18- ?????? ? ????? ??????? ????? ?????
??????????????? ?????? ?????? ??????? - ????? ? ?????? ???????? ??????? ? ??????? ????
???? ?????? ????????? ? ???? ????? ? ???????????
????? ???????? ???????? ??????? ????? ???????.?
???? ??? ??? ???? ??????? ???????? ?????? ? ?????
????? ?????? ????????. - ???? ??????? ????? ????? ??????????????? ??????
???? ?????? ?????? ?? ???? ??????.? ??? ????
?????? ??? ???? ?????? ? ?????? ???????? ? ???
?????? ??????? ???? ??? ???? ???????? ??????
?????? ?????. - ???? ?? ??????? ??? ??????? ?????? ??? ??????
???? ?????? ????? ?? ?????? ??????? ? ????????
??????? ? ??? ????? ????? ?? ???? ???????? ??
???????? ?????? ??? ?????? ?????? ???? ???? ?????
? ?????? ? ??????? ?????? ? ?????? ??? ??????
???????? ?????????? .
19(2) ??????? ???????????? ?? ?????? ???????
???????Microwave Heating in Food Processing
- ??????????? (??????? ???????) ?? ????? ?? ?????
????????????? ??? ???? ??????? ? ????(Frequency)
?? ????? ?? 300 ????????? (MHZ) ??? 300 ????
????? (GHZ).??? ??? ??????? ??????? ?????????
(ITU) ???????? ??????? ???????? ???????? ???????
???????? ??????????? - 2450 ????????? ?? ????? ??????????? ???????? ???
???????. - 970 ????????? ? 915 ????????? ? 897 ?????????
????????? ???????? ?? ??? ?????. - 22125 ????????? ?????? ?????? ???????????
??????????.
20- ??? ????? ??????????? ??? ?????? ?? ????
????????? ???????? ? ??????? ??????. ??? ??????
??? ????? ??????????? ?????? ???? ?????????
?????? ???? ???? ??????????? (Magnetron) . ?????
?? ??????????? ???? ??????? ??? ?????? ?????
????? ??? ????? ????? ????? ?????? ???? ??
????????? ?????? ?????? ?? ???????.? ????
??????????? ???? ????? ????? ?? ??? ??? ????
????? ?????? ?? ??? ??? ??????? ???? ???? ?????.?
???? ??? (2.1) ??????? ??????? ??????? ???? ???
??????????? ? ?? ???? ??????????? (Magnitron) ?
???? ???????? ??????? (High Voltage Transformer)
? ???? (Capacitor) ? ???? ????? (??????) (Diode)
? ????? (Cavity Lamp) ?????? ????? ??????
(Blower) ? ???? ????? ????? (Timer and
Controller) .
21??? (2.1). ??????? ??????? ??????? ???? ???
???????????.
22- ??? ????? ? ?????????? ? ???????????? ???
???????? ??????? ???? ????? ?? ?????? ???????
??????????? .?????? ???????? ???? ?????? ?
??????? ?????? ?? ??????? ???? ???????? ????????
????? ???????. ??? ???? ??????? ???? ?? ????
???????? ???????? ????????? ???? ??????. - ???? ????? ??????????? ???? ?????? ?????????
?????????? ??????.??? ?????? ???????? ??? ?????
?????????? ???????? ????? ???? ????? ???????????.
? ?????? ???? ????? ??????????? ???????? ??
?????? ?? 600 ??? 1500 ??? ????? ??? ??
????????? ???????? ??? 50 ? ??? .
23??? ??????? ????????????
- ????? ??????? ??????????? ?? ?????? ????? ?????
?? ???? ???????? ? ?? ?????? ?????? ???????
??????? ??? ??????? ??? ????? ??????? ?? ????
??????? ???? ?? ???? ????? ?? ???????. ??? ??
????? ??????? ??? ??????? ???????????? ? ???????
??????? ??? ??????? ?? ?? ?????? ??? ??????? ???
?????? ?????? ??? ??? ????? ??????? ??????
??????? ??? ??? ??? ????? ??? ?????? ?? ????
??????? ??? ?? ????? ??????? ?? ??? ?????? ???
?????? ?? ???? ???????.??? ?? ???? ???????????
??? ?????? ???? ?? ???? ??? ?????? ? ?????
??????? ???? ??????? ??? ??? ?????? ??? ?????
????? ??????. ??? ?? ??????? ????? ???????????
??? ???? ???? ???? ??? ??? ??? ??? ?? ????????
??? ??????? ??????? ? ??? ????? ???????.
24- ???? ??????? ?????????? ??? ????? ?????? ??????
???????? ????? ???? ??????? ????? ?? ??????
??????????????? ???? ?? ????? ???? ??????????
(Photons) ?? ?????? (Quanta) ??? ????? ?? ?????
????? ??? ??? ???????. ? ??? ?????? ??? ?????????
??????? ??? ?? ????? ????? ????? ??? ?????? ???
??????? ??????? ?????? ?????? ???????????? ??
?????? ????????? ? ?? ???? ???? ??? ?? ??? ??????
?? ???? ? ???? ????? ????? ??????
???????????????.???? ????? ??? ?????? ????? ?????
??? ???? ????? ?? ????? ???? ?????? ??????
??????????? ????? ??? ??????? ????????
???????????? ?????.???? ????? ???? ?????? ?????
???? ????? ??? ???? ?? ??? ??????????? ? ????????
????? ????? ??? ??????? ?????? ??? ???? ?? ??
???? ?? ?????? ???? ???? ???????.
25- ????? ???? ??? ??? ????? ???????? (Cp) ?????? ??
???????? ????? ???? ??????? ???????. ???? ??????
?????? ??? ?????? ?? ???? ???? ??????????? ????
??????? ???? ?????? ??? ?????? ??? ????? ????????
??? ????? ?? ?????. ??? ??? ?????? ?? ?????
???????? ????? ??????? ??? ???? ??????? ????.???
???? ????? ???? ??? ????? ??? ????? ????? ??
?????? ?? ??? ??????????? ??? ???? ????? ???? ??
?????? ?????? ????? ? ????? ????? ? ? ??? ???
????? ?????? ?????? ??????? ??????? ?? ??????.
26- ??? ?? ????? ??????? ???????????? ????? ????????
?????? ??? ?????? ???????? ????? ??? ?????? ?????
???. ?? ?????? ??????? (???? ?????) ???? ??????
????? ??????? ? ???? ??????? ????? ?? ??????
?????? ? ?????? ????????? ? ?????????? ?????? ???
?????? ????? ?????? ???????????. ??? ?? ??????
??????? ????? ??????? ??????????? ??? ????????
?????? ????? ?????? ? ????? ?????? ?? ?????????
??? ???? ????? ????? ???????????? ???? ??
???????.??? ????? ?? ?????? ?????? (?????) ??????
????? ???????? ? ???? ???????? ????? ??? ?????
???????? ??? ???? ????? ??? ???? ???????????. ?
??? ??? ??????? ?? ??????? ???? ??? ?? ?????
????? ??????? ??????? ???????? ???????????. - ?? ??????? ????????? ??? ??? ??????? ????????????
??????? ????????? ?? ??????? ???????? ??? ?? ????
?? ??? (2.2). ???? ??????? ???????????? ????
?????? ?? ????? ???????? ? ???? ?? ??? ?????
???????? ???????? ?? ????? ??????? ?????? ? ?????
?? ??????.
27??? (2.2).?????? ??????? ??????? ??????????
(??????? ??????) ???????? ???????? (???????
?????).
28??? (2.3).?????? ??????? ?????? ???????
???????????? ?????? ?????? ??????? ??????
29- ?????? ???????? ????? ????? ????? ?????? ??? ??
???? ?? ??? (2.3) ?????.?????? ?????? ???? ?????
?????? ???????? ??????? ????? ??????? ??? ???????
?????? ??????? ??? ??? ????? ??? ??????? ???
?????? ????? ??? ???? ???? ????? ?????? ????????
??? ??? ??????.??? ??? ?? ????? ???? ??????? ????
??? ?????? ?? ?????? ?????? ?????? ?????? ? ???
????? ???? ????? ?? ??? ????? ??? ??????? ???????
?? ???????. ???? ???? ?????? ??? ???????? ???????
??? ????? ??????? ? ?? ?????? ???? ??????? ???
????? ?????? ?????? ????? ?????? ????? ??? ????
????? ?????? ?????? ??????? ????? ?????? ?? ????
?????? ??????? ????? ????? ???? ???????? ??
???????? ??????? ???? ??? ?????.
30??? (2.4).?????? ???? ?????? ?????? ?????? ????
??????? ????? ?????? ???? ?????
31???? ????? ??????? Dielectric Properties of Food
- ???? ?????? (Dielectric Constant) ?? ??? ??????
??????? ?????????????????? ??????? ??? ??????? ??
?????? ? ??????? ?? ????? ???? ???????.??? ????
????? ?????? ??? ????? ?????? ??????????. ??????
?????? ???? ???? ???? ????? ??????? ????????????
?? ????? ??? ?????? (Dielectric loss factor)
.???? ?????? ????? ?????????? ???? ?????? ???
???? ??? ?????? ??? ??? ??????? ???? ???? ??
?????? ???????????????.??? ????? ?? ????
??????????? ???? ????? ????? ??? ???? ??? ????
?????? ? ?? ?????. ????? ????? ??????? ???
??????? ????? ??????? ???? ????. ?????? ?????
????? ??? ?????? ????? ??????? ? ??????? ???????
?????? ?????? ???????.
32?????? ???????? ? ???????? ??????? ? ???????
?????? ??????? ??? ????? ??????? ????????????
- ?????? ???????? ????????? ? ??????? ?????? ????
???? ??? ?????? ????? ??????????? ???? ?????? ?
?????? ????? ??????? ?? - 1- ??????? ???????
- ? ?? ??? ??? ?????? ???????? ??????? ? ?????
????? ????? ??? ??????? ?????? ?????? ??? ?????
??????? ? ??????? ????? ?????? ????? ???????
????????????. - 2- ????? ??????? ??????? (???????? ????????)
- 3- ?????
- ??? ?? ????? ??????????? ???? ???? ?????? ?? ??
?????? ??? ????? ?? ????? ???? ??? ??? ???????
????????????. ???? ????? ?????? ?? ????? ???????
??????? ???????????? ? ???? ???? ????? ?????????. - 4- ????? ?????
- ????? ???? ??????? ?????? ??????????? ???????
????? ??? ??????. ? ??????? ??? ?????? ????????
??? ?????? ??????? ?????? ????? ??? ????? ???
??????? ??????? ????.
33- 5- ???? ???????
- ??????? ???????????? ?? ????? ????? ??? ????? ?
???? ???????. ? ???? ???? ??????? ??? ???? ?????
? ???? ??????? ???????? ??????. ? ?? ????
???????? ?? ???? ??????? ???? ?????? ????? ????
????? ?????????. - 6- ???? ??????
- 7- ???????? ????????
- 8- ??????? ??????? ?????? ????????
- 9-?????? ?????? ????????
34??????? ??????? ????????????
- ????? ?????? ?? ??????? ??????? ???????????? ??
???? ???????? ???????? ??? ?? ???? ????? - (1) ????? ??????? ??????? (Tempering)
- ? ?? ????? ????? ???? ????? ??????? ??????? ??
???? ????? ??????? ?? ??????? ?????? ??? ????
????? ?? ?????? -4 ??? -2 ( ?). - (2) ????? ??????? (Food Drying)
- ???? ??? ??????? ???????????? ???? ???????
???????????? ???????? ????????.??? ????? ???????
???? ??? ??????? ??? ????? ????? ????????????
???????? ? ????? ??????? ??????? ????? ??????? ?
????? ? ?????? ? ????? ? ???????? ??????? ?
???????. - (3) ????? (Cooking)
- (4) ????? ???? ????????? (Enzyme Inactivation)
- ?????? ????? ??????? ??????.
35- (5) ????? ????? (Baking)
- (6) ??????? ???????? (Pasturization and
Sterilization) - ? ???? ????? (2.5) ????? ??? ??? ??????????
????????? ??? ????? ????? ?? ???? ????????
????????.
36??? (2.5).????? ????? ?????? ????????????
37(No Transcript)
38(No Transcript)
39(No Transcript)
40(3) ??????? ??????Ohmic Heating
Â
- ??????? ?????? ???????? ???????? ?? ????? ??????
????? ???? ??????? ??????? ????? ????? ????
??????? ????? ???? ???? ????? ???? ???????
??????. ??? ???? ???? ??? ??????? ?????? ????
????? ???????? ?? ??????? ??????? ????????.? ????
????? ????? ????? ???????? ?????? ??????? ??????.
41??? (3.1). ?????? ????? ??????? ?????? 1-????
???? ??????? ????? (AC power supply) 2- ???????
(???) (Electrode) 3- ????? ???? (Insulator tube)
4- ?????? ???????? (Food)
42- ???? ????? ??????? ?????? ??? ????? ?????? ????
????? ??????? ??? ?????? ??? ?????? ??????
??????.???? ??????? ?????? ?????? ?? ???? ???
????? ?????????? ???????? ????????? ???? ??????
?????? ??????.? ???? ?????? ?? ??? ?????
????????? ???? ???? ????? ?? ???????? ???????. ?
??? ????? ?? ??????? ?????? ???? ????????
???????? ?????? ???????? ???????? ????? ?? ????
????? ?????? ????????. - ????? ????? ????? ????? ????? ??????? ??????
?????? ?????? ???????.? ???? ???? ????? ?????
??????? ??????? ??????? ????? ??????? (pHlt4.5)
?????? ????? ??? ??? 90-95 ( ? ?) ????? 30 ??? 90
????? ?????? ???? ????????? ? ???????? ????????
??????? ?????? ( ????????? ????????? ????????
????? ? ?????? ??????????????).??? ???????
?????? ???????? (pHgt4.5) ????? ?? ???? ???
?????? ????????????? ?????????? ????????? ??? ???
???? ??????????? ?????? (pH) ? ?????? ??????
????? ????? ??????? ??? 121 ( ? ?) ????? 3 ?????
??? ???? ( ???????? Lethality F0 3 min ) ? ?????
????? ?? ??????? ????? 12 ??????? ?????? (12D
colony reduction) .
43- ???? ????? ??????? ?????? ???? ????? ??????
??????? ????? ???? ?? ???? ????? ????????
???????? ?????? ??????? ?????? ???????? ????
????? ??? ???? ???? ( ??? ???????? ???????? ???
??? ??? ????? ? ??????? ???????? ??? ??? ????) ?
??????? ????? ????? . ??? ???? ??????? ???? ?????
??? ??? ???? ?? ????? ???? ??? ???????? ???????
???????? ???? ??????? ??????? ?? ?????? ??? ???
????? ?????? ?? ???? ????? ??? ??? ????? ??????
??? ?????? ?? ???? ???????? ? ??????? ??? ?????
?????? ?????? ???? ???? ???? ???? ( ? ?? ?? ????
??????? ???????) ???? ??? ????? ???? ?? ??????
????? ?????? ???????. ? ?? ??????? ??? ???????
?????? ??? ??????? ?????? ??? ????? ??? ?????
??????? ?????? ? ????? ?????? ?? ??? ?????. ???
??? ??????? ?????? ?? ??? ??????? ????? ??????? ?
???? ? ????? (HTST)? ??? ?????? ????? ???? ?????
????? ??? 80 ???? ???? ?? ???? ????? ?????? ???
129 (?) ?? ????? 90 ?????? ??? ???? ??? ?????
??????? ??????? ?????? ??? ???? ?????? ???????
(?????? ?????? ? ????????). ???? ??? ???
?????????? ???????? ??? ????? ??????? ?????? ?
??????? ????????? ?? ?? ??????? ?????? ?????
????? ????? ?????? ????? ???? ?? ?????? ?????
?????? ?????? ????? ?????? ???? ???? ?????? ???
????? ??????? (Heating Inversion) ? ? ?? ?????
??? ????? ?? ???? ??????? ???????? ????????.
44????? ??????? ??????
- ??????? ?????? ???? ????? ? ????? ?????? ??? ??
?? ?? ??? ??????? ?????? ??? ?????? ????????
??????? ???????? ???? ??? ??????? ?? ??????. ?
???? ????? ??? ??????? ? ??????? ???? ??? - (1) ??????? ????? ???????? ???????? ???????
?????? ?? ???? ??????? ??????? ??????? ?? ?????
?????? ???????? ??????? ???????? ? ?? ???
?????????? ???????? ??????? ???????????? ?????
??????? ??????? ?????? ?????????. - (2) ???? ?????? ??? ????? ????? ????? ??????
?????? ?? ???? ?? ????? ????? ????? ?????? ? ?
??? ??? ??? ?????? ?? ???? ???????? ???????
????????. - (3) ????? ????? ??????? ??? ???? ??????? ???????
? ??? ?????? ??????? ? ??? ???? ??? ????? ???? ??
????? ?????????? ? ?????? ???? ??? ????????
???????? ? ???????????. - (4) ?????? ??? ????? ????? ?????? ????? ??????
90 ?? ?????? ?????????? ??? ?????. - (5) ?????? ??? ??????? ???? ???? ????? ???????? ?
????? ???????? ????? ????? ??????? ??????? ??????
??????. - (6) ????? ?????? ?? ??????? ?? ???? ??????? ??
??????? ??????.
45??? (3.2). ????? ?????? ??????? ?????? ???????.
46(4) ???????? ???????? ????????Continuous-Flow
Heat Processing
- ??? ???????? ???????? ????????
- ?? ????? ???????? ???????? ???????? ????? ??????
???????? ?????? ????? ??????? ?? ????? ???????
??????? ? ????? ?????? ? ????? ??????? (Thermal
Heat-Hold-Cool Process) . ???? ?? ??????
???????? ????? ?? ???? ????? (???) ????? ???? ???
????????? ???????? (??????? ?????????? ????
???????? ???????? ??????? ???? ????? ??????? ?
??????? ??????? ??????? (????? ??????)) ??? ???
??????? ????? ??????? ???????? ? ?? ?? ?????????
??? ??? ?????? ???? ???? ??????? ? ?? ?? ???????
?????? ???? ????? ??????. ? ???? ????????
???????? ????? ?????? ?????? ????? ??????. ???
??????? ????????? ????? ?? ?????? ???????? ????
??????? ??? ?????? ??????? ? ???????? ??????? ???
??? ????? ?????? ???????? ? ??? ?????? ? ?? ??
???????? ???????.
47- ??? ?????? ??????? ???????? ?? ??? ??????
???????? ???????? ???????. ??? ?????? ????? ????
???? ??????? ??????? ? ????? ?????? (HTST) ???
????? ??????? ????? ???? ???? ??????? ??? ???????
(UHT) ?? ??????? ??????? ??? ????? ???????. ? ??
????? ???????? ???????? ???????? ?????? ???????
??????? ? ???????? ??????? ???????? ???????
??????? ??????? ???? ???? ??????? ??????? ?????
????? ????? ?????? ?? ???? 140 ??? 150 ( ? ?)
?????? ????? ??????? 125 ( ? ?) ? ?? ??????
?????? ???? ???? ?????? ????? ??? ??????? ??????
??????? ? ???????? ???????. ????? ???? ???
???????? ??????? ??????? ???????? ???? ??????
??????? ? ???????? ????????? ???? ??? ?????
?????? ??? ?????? ? ??????? ???????? ????? ???
?????? ?????? ? ????????, ? ???? ????? (4.1)
?????? ??????? ???? ???? ??????? ?? ????? ???????
???????? ???????? ???????? (??????? ???????? ???
???????) ? ??????? ??????? ??????? ?????????
?????????.
48- ? ?? ????? ?????? ???????? ???????? ????????
?????? ??????? ????? ??????? ??????? ?????????
????????? ???? ??? ????? ????? ???? ????? ?????
????????? ??????.??? ????? ?????? ????????
???????? ???????? ???? ??????? ????? ??????? ?
??? ??????? ??? ????? ?????? ????? ????????? ????
?????? ????? ?????? ??????? ????????. ??? ????
?????? ?? ???????? ???????? ???? ????? ??? ???
???? ????? ? ???? ??????? ???????? ????????
???????? ???????? ?? ???????? ?????? ??? ???????
?????? ????????? ?? ???????? ??????? ???? ????
????? ????? ??? ??????? ???????.
49??? (4.1). ??????? ???? ???? ??????? ?? ?????
??????? ???????? ???????? ???????? (???????
???????? ??? ???????) ? ??????? ??????? ???????
????????? ?????????.
50????? ??????? ???????
- ?? ?????? ?? ??? ?????? ??????? ???????? ????????
? ??????? ??????? ???????? ????????????? ?? ????
???????? ???????? ?????? ????? ?????????
?????????? ?? ?????? ??????.???? ???? ???? ????
??????? ?????? ????? ??????? ????? ????????? ??
?????? ?????? ???????? ???????? ? ????????
????????????? ??? ??? -
(4.1) -
-
(4.2) - ???
- N ??? ???????? ???????? ? C ????? ??????
???????????? ? t ????? ? - k ???? ???? ???????
51- ?? ????? ??????? ??????? ???? ?????????? (4.1) ?
(4.2) ????? ??????? ??????? -
(4.3) -
-
(4.4) - ???
- N ??? ???????? ???????? ??? ????? t ? C ?????
?????? ???????????? ??? ????? t - ? N0 ??? ???????? ???????? ????????? ??? ?????
t0 ? C0 ????? ?????? ???????????? ?????????
??? ????? t0? D ??? ??????? ??????
52- ??? ??????? ?????? D ?? ????? ?????? ?????? ???
???????? ???????? ?? ????? ???????? ?????????????
?????? ????? 10 ( ?? ????? ?????? ?? ??????
??????????). ??? ??????? ?????? ????? ????? ????
???? ????? D ????? ????? ??????? ??? ??????. - ??? ?? ???? ????? ????? ???? ???? ??????? ?? ????
D ?????? ??????? ??????? ??? ?????????? ???
????? ??????? ???????? (???????) ?????? Z ?
????? ???????? (Arrhenius Model) .
53- ????? ?????? Z ???? ??????? ??? ????????? ?????
-
(4.5) -
- ???
- D1 ??? ??????? ?????? ??? ????? q1
- D2 ??? ??????? ?????? ??? ????? q2
- Z ???? Z ?? ?????? ??????? ?? ???? ???????
?????? ??? ??????? ?????? D ?????? ????? 10. - ??? ????? ?????? ????????
-
-
(4.6) - ???
- k ???? ???? ???????
- A ????
- Ea ???? ???????
- R ???? ????? ?????
54- ?? ?????? ?????? ????? ?????? Z ??????? ????????
???????? ???????? ???????? ? ????????? ?????
?????? ????? ???????? ??????? ??????? ??????? ???
???????? ?????? ? ???????? ?? ??????. ??????
?????? ?? ??????? ???????? ???? ????? ??? ?????
????? ???? D ? Z ?????? ?? ???????? ????????
?????????? ? ??? k ? Ea ? A ????? ?? ???????
???????? ?????????????.
55??? (4.2). ????? ????????? ???????? ????????? ??
?????? ????? ?????? ???????
56(No Transcript)