R e s u l t s o f p r e l i m i n a r y t e s t s t o measure i c e g r o w t h on an a i r f o i l d u r i n g f l i g h t i c i n g c o n d i t i o n s a r e p resen ted . U l t r a s o n i c pu lse-echo measurements o f i c e t h i c k n e s s a r e o b t a i n e d f rom an a r r a y o f e i g h t u l t r a s o n i c t r a n s d u c e r s mounted f l u s h w i t h t h e l e a d i n g edge o ...

1. P o t e n t i a l o f f e r o r f o r c o n t r a c t u n d e r g r a n t i s i n t e r e s t e d . p a r t y t o c o m p l a i n o f s o l i c i t a t i o n d e f e c t s a n d a l l e g e d b i a s t o w a r d i t , e v e n t h o u g h i t d i d n o t s u b m i t a n o f f e r . I t is n o t a n i n t e r e s t e d p a r t y , h o w e v e r , t o c o m p l a i n o f u n r e l a t e d p r o...

1. I n t r o d u c t i o n ~ ]e concep t o f fuzzy s e t s d e f i n e d by Zadeh 1 ) g i v e s an i m p o r t a n t m a t h e m a t i c a l c l u e f o r an approach to s t u d i e s o f sys tems w i th no sha rp b o u n d a r i e s . L a t e l y , t h e fuzzy i n t e g r a l 2 ) b a s e d on t h e fuzzy s e t t h e o r y has been proposed and a p p l i e d t o t he measurement o f fuzzy o b j...

Metal ox ides suppor ted on z e o l i t e s have been demonstrated as e f f e c t i v e regenerable 4 e s u l f u r i z a t i o n a g e n t s f o r h i g h tempera ture removal of hydrogen s u l f i d e from f o s s i l f u e l s . D e s u l f u r i z a t i o n occur s by s u l f i d e format ion wi th Fe or Zn on t h e s u r f a c e of t h e z e o l i t e l a t t i c e w i t h t h e hydrogen s...

i i t h component n number o f components t t r a n s m i s s i o n 10 90 pe rcen t r e l i a b i l i t y S u p e r s c r i p t s : e We ibu l l s l ope p l o a d l i f e f a c t o r I n t r o d u c t i o n One i m p o r t a n t measure o f t h e per fo rmance o f t u rboprop t r a n s m i s s i o n s i s t h e s e r v i c e t ime between scheduled maintenance o v e r h a u l s . I n t h e des ...

I N T R O D U C T I O N I t is now well e s t a b l i s h e d t ha t act ive N a + K + t r a n s p o r t ( p u m p f lux) in lowp o t a s s i u m (LK) s h e e p r e d cells ( K e r r , 1937; Evans , 1954; T o s t e s o n a n d H o f f m a n , 1960) is s t i m u l a t e d s e v e r a l f o l d w h e n these cells a r e e x p o s e d to t he L a n t i s e r u m , wh ich r e c o g n i z e s spec i...

n I s i h t , k r o w a k r o w e m a r f r o f e h t o i t a m i t s e n f o e h t e u g i t a f e g a m a d n o i t a g a p o r p n i d e s o p o r p s i s e t i s o p m o c P R F C . o r c a M e l a c s a n e m o n e h p h c u s s a s s e n f f i t s d n a h t g n e r t s n o i t a d a r g e d e r a d e t c i d e r p y b g n i t c e n n o c o r c i m e l a c s d n a o r c a m e l a c s e ...

'User involvement' i n t h e developnent of information systems i s o f t e n assumed t o be key t o succes s fu l implementation. However, f e w empi r i ca l s t u d i e s have c l e a r l y demonstrated a r e l a t i o n s h i p between u s e r involvement and t w o key i n d i c a t o r s of system success : system usage and u s e r in format ion s a t i s f a c t i o n . The a u t h o r s ...

This paper describes damping capac i t y and mechanical p roper t ies o f Zn-8-20%A1 and Zn-8-20%Al-0.02-0.04XMg a l l o y cast ings. Zn-8-20%A1 a l l o y casti ngs show h igh damping when quenched from 573K. Small amount o f Mg a d d i t i o n t o these a l l o y cast ings lowers damping capaci ty considerably b u t e f f e c t i v e t o reduce decomposition through aging a t 423K f o r 48hrs ...