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Kamis
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0
Jumat
Pikiran Rakyat
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o
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0
Minggu
4
5
20
6
7
21
22
8
9
10
11
23
24
25
26
12
13
14
15
16
27
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29
30
31
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17
18
19
OJan
OPeb
o
Mar
eApr
OMei
engawetkan Makan
OJun
OJul
0
AgsOSep
OOkt
ONov
ODes,
dengan· Radiasi
RISIS
n u k l i r d i J e p a n g y a n g t e r j a d i a k i b a t g e m p a b u m i d a n t s u n a m i y a n g b a r n - b a r n i n i t e r j a d i m e n i m b u l k a n k e k h a w a t i r a n a d a n y a k o n t a m i n a s i r a d i o a k t i f p a d a p r o d u k m a k a n a n J e p a n g . B e r b a g a i n e g a r a m e m p e r k e t a t p e n g a w a s a n t e r h a d a p p r o d u k m a k a n a n i m p o r a s a l J e p a n g . N a r n u n , d i s i s i l a i n , r a d i a s i b i -s a d i m a n f a a t k a n u n t u k p e n g a -w e t a n m a k a n a n .P e n g a w e t a n m a k a n a n d e -n g a -n p e -n y i -n a r a -n r a d i a s i m e -n g i o -n d i s e b u t i r a d i a s i p a n g a n . T e k n o l o g i i n i j i k a d i t e r a p k a n s e b a g a i m a n a m e s t i n y a d a p a t m e n i n g k a t k a n k e a m a n a n
pa-n g a pa-n m e l a l u i r e d u k s im i k r o o r g a n i s m e p a t o g e n ( p e n y e b a b p e n y a k i t ) . I r a d i a s i j u g a d a p a t m e n g i n a k t i f a s i m i k r o o r g a n i s m e p e m b u s u k m a k a n a n d a n m e n u r u n k a n p e r u b a h a n - p e r u b a h a n b i o l o -g i s n o r m a l p a d a p r o d u k s a y u r d a n b u a h s e h i n g g a d a p a t m e m p e r p a n j a n g u m u r s i m -p a n -p r o d u k .
S e l a m a p r o s e s i r a d i a s i , m a k a n a n t e r p a p a r p a d a s u m -b e r e n e r g i m e n g i o n d a n m e -n y e r a p d o s i s y a n g t e p a t d a n k h u s u s . D o s i s y a n g d i g u n a k a n b e r v a r i a s i b e r g a n t u n g p a d a j e -n i s m a k a -n a -n d a n e f e k y a n g d i i n g i n k a n . S a t u a n y a n g d i g u n a k a n u n t u k m e n g u k u r j u m l a h r a d i a s i y a n g t e r s e r a p
a d a l a h g r a y ( G y ) .
D o s i s d i b a w a h 1k G y ( k i l o -g r a y ) d i -g u n a k a n u n t u k m e m - . p e r l a m b a t p r o s e s - p r o s e s f i s i o -l o g i s s e p e r t i p e m a t a n g a n a t a u p e r k e c a m b a h a n p a d a s a y u r d a n b u a h s e g a r , d i m u n t u k m e n g o n t r o l s e r a n g g a d a n p a -r a s i t p a d a m a k a n a n . D o s i s 1
-1 0k G y d i g u n a k a n u n t u k m e -n g u r a -n g i m i k r o o r g a n i s m e p a t o g e n d a n p e m b u s u k m e m -p e r b a i k i s i f a t - s i f a t t e k n i s m a k a n a n , d a n u n t u k m e m -p e r -p a n j a n g u m u r s i m p a n p r o
-d u k m a k a n a n . D o s i s d i a t a s 1 0
k G y d i g u n a k a n u n t u k m e n -s t e r i l k a n d a g i n g , p r o d u k u n g -g a s ,
seafood,
d a n u n t u k d e s i n -f e k s i b u m b u - b u m b u , D o s i s i n -i l a h y a n g d -i g u n a k a n u n t u k m e n s t e r i l i s a s i p r o d u k d a g i n g y a n g m e n j a d i b e k a l P a r a a s -t r o n o -t N A S A k e t i k a m e n -j a l a n k a n m i s i r u a n g a n g k a s a .S i n a r y a n g b a n y a k d i g u -n a k a -n u n t u k t u j u a n i r a d i a s i a d a l a h s i n a r g a m m a d e n g a n m e n g g u n a k a n s u m b e r s e n y a w a r a d i o i s o t o p C o b a l t -6 0 d a n C e s i u m - r g z .
. E n e r g i r a d i a s i y a n g d i g u -n a k a -n d a l a m i r a d i a s i p a n g a n a k a n m e n g a k i b a t k a n p e r u b a -h a n - p e r u b a -h a n k i m i a w i p a d a m a k a n a n , t e t a p i b u k a n p e r -u b a h a n n u k l i r s e h i n g g a m a -k a n a n t i d a k m e n j a d i r a d i o a k -t i f . J e n i s r a d i a s i m e n g i o n y a n g d i g u n a k a n u n t u k i r a d i a s i p a -n g a -n t e l a h s e c a r a k h u s u s d i p i -l i h u n t u k m e m a s t i k a n t i d a k a k a n t e r j a d i p e n i n g k a t a n r a -d i o a k t i v i t a s m e l e b i h i y a n g a d a s e c a r a a l a m i p a d a m a k a n a n . F a s i l i t a s i r a d i a s i p a n g a n n y a s e n d i r i j u g a t i d a k m e n j a d i r a -d i o a k t i f -d a n t i -d a k m e n g - ' h a s i l k a n l i m b a h r a d i o a k t i f .
I r a d i a s i p a n g a n t i d a k m e n y e b a b k a n p e r u b a h a n k o m p o s i s i m a k a n a n y a n g -d a r i s u -d u t p a n -d a n g t o k s i k o l o -. g i - m e r U -. m b u l k a n e f e k
m e r u g i k a n p a d a k e s e h a t a n m a n u s i a . P e r u b a h a n p a d a m a k a n a n y a n g d i s e b a b k a n o l e h i r a d i a s i b e g i t u m i n i m a l , b a h k a n s u l i t u n t u k m e m b e -d a k a n a p a k a h s u a t u p r o d u k t e l a h d i i r a d i a s i a t a u t i d a k .
I r a d i a s i p a n g a n t i d a k m e n y e b a b k a n k e h i l a n g a n z a t g i z i y a n g s a m p a i p a d a t i n g k a t m e r u g i k a n k e s e h a t a n k o n -s u m e n . P r o s e s i r a d i a s i t i d a k m e n g u b a h s e c a r a s i g n i f i k a n z a t - z a t g i z i m a k r o s e p e r t i p r o -t e i n , l e m a k , d a n k a r b o h i d r a -t . M e s k i p u n d e m i k i a n , p r o s e s i r a d i a s i b i s a m e n y e b a b k a n p e n u r u n a n k a n d u n g a n v i t a -m i n t e r t e n t u .