T e c h n o l o g y d e v e l o p m e n t i s a response o f sc ien t i f i c k n o w l e d g e to the c h a n g i n g needs o f c o n s u m e r s , f a r m e r s , c o m m u n i t y , c o u n t r y , a n d w o r l d t rade . I n the la te 1960s a n d e a r l y 1970s the re w a s a need to increase t o ta l p r o d u c t i o n by i n t e n s i v e a g r i c u l t u r e . H o w e v e r , i n t h...

polyacrylonitril (pan)-supported chitosan (cs) nanocomposite membranes were prepared by cross-linking the cs with 3-aminopropyl-triethoxysilane (apteos) via sol-gel method. pervaporative performances of the cs-sio2/pan membrane for dehydration of aqueous alcohol solutions were investigated. from sem cross-sectional images of the membrane, the spongy pores and the finger-like pores were found in...

1 C o r r e c t a n s w e r : b . T h e r i s k c a n n o t b e a b o l i s h e d b y a h e a l t h y l i f e s t y l e , b u t i t c a n b e g r e a t l y r e d u c e d . D i a b e t e s k i l l s m o r e p e o p l e t h a n T B , m a l a r i a , a n d H I V p u t t o g e t h e r . I f d i a b e t i c r e t i n o p a t h y i s d i a g n o s e d a n d t r e a...

1.0 INTRODUCTION The main goa l o f t h i s r e s e a r c h , f rom an AI v i e w p o i n t is the development o f a framework f o r Mo t ion Unders tand ing by Computer. Th is f rame­ work i s expected t o p r o v i d e : (a) A r e p r e s e n t a t i o n of knowledge f o r mot ion concep ts , based on frames [Minsky75] and semant ic networks [Brachman79] . (b) The d e s c r i p t i o n of bas...

1 C o r r e c t a n s w e r : b . T h e r i s k c a n n o t b e a b o l i s h e d b y a h e a l t h y l i f e s t y l e , b u t i t c a n b e g r e a t l y r e d u c e d . D i a b e t e s k i l l s m o r e p e o p l e t h a n T B , m a l a r i a , a n d H I V p u t t o g e t h e r . I f d i a b e t i c r e t i n o p a t h y i s d i a g n o s e d a n d t r e a...

R e a s o n i n g , P r o c e e d i n g s E C A I 9 8 , p p . 3 8 3 – 3 8 7 . [ J u n g , e t a l . , 1 9 9 6 ] C . G . J u n g , K . F i s c h e r a n d A . B u r t , M u l t i A g e n t P l a n n i n g U s i n g a n A b d u c t i v e E v e n t C a l c u l u s , D F K I R e p o r t R R 9 6 0 4 ( 1 9 9 6 ) , D F K I , G e r m a n y . [ K a k a s , e t a l . , 1 9 9 8 ] A . C . K a k a s , A . M...

I n o r d e r t o speed u p t h e s e g m e n t a t i o n o f image s e q u e n c e s c o n t a i n i n g m o v i n g o b j e c t s , a n a p p r o a c h i s p r o p o s e d w h i c h e m p l o y s k n o w l e d g e f r o m d i f f e r e n t s o u r c e s t o c o n t r o l t h e e x t r a c t i o n o f r e g i o n s . H e r e , r e g i o n s a r e c o n n e c t e d image c o m p o n e n t s w h...

R E S U M O — A v a n ç o s t e c n o l ó g i c o s r e c e n t e s b e n e f i c i a r a m o d i a g n ó s t i c o do ac iden te v a s c u l a r c e r e b r a l ( A V C ) , r e d u z i r a m os r i s cos e a u m e n t a r a m a f r e q ü ê n c i a d e e s t u d o s a c e r c a dos m e c a n i s m o s do A V C . P r o j e t o s b a s e a d o s e m b a n c o s de d a d o s c o m p u t a d o r i ...

The r e a c t i o n between c h l o r i t e i o n and c h l o r i n e and/or hypochlorous a c i d t o fo rm t h e h i g h l y r e a c t i v e C1202 in te rmed ia te i s v e r y r a p i d i n a c i d s o l u t i o n f o l l o w e d by t h e p r imary p roduc t i on o f c h l o r i n e d i o x i d e and under somewhat more d i l u t e c o n d i t i o n s reasonable concen t ra t i ons o f c h l o...

A b s t r a c t T h e p o s s i b l e t r a j e c t o r i e s o f t h e s t a t e v e c t o r v a l u e s ( i L(t) and vC (t) ) o f B u c k a n d B o o s t PWM converters under large transients are examined and evaluated . The forbidden trajector ies , detected b y e x a m i n i n g t h e s t a t e s p a c e t r a c e s , i m p o s e s e v e r l i m i t a t i o n o n t h e c o n t r o l d e s i...