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تعداد نتایج: 3653848 فیلتر نتایج به سال:
T h e e x a c t M a x w e l l f B o l t z m a n n ( M B ) , B o s e f E i n s t e i n ( B E ) a n d F e r m i f D i r a c ( F D ) e n t r o p i e s a n d p r o b a b i l i s t i c d i s t r i b u t i o n s a r e d e r i v e d b y t h e c o m b i n a t o r i a l m e t h o d o f B o l t z m a n n , w i t h o u t S t i r l i n g ’ s a p p r o x i m a t i o n . T h e n e w e n t r o p y m e a s u r...
T h e m o l e c u l a r s t r u c t u r e o f t h e l e t h y l 3 m e t h y l l a l u m i n a i n d a n e d i m e r h a s b e e n d e t e r m i n e d f r o m s i n g l e c r y s t a l X r a y d a t a c o l l e c t e d b y c o u n t e r m e t h o d s . T h e c o m p o u n d c r y s t a l l i z e s i n t h e m o n o c l i n i c s p a c e g r o u p C | h P 2 i / c w i t h a = 1 4 . 6 2 1 ( 2 ) , b...
l a p i c n i r P t n e n o p m o C s i s y l a n A ) A C P ( s y a l p a t n a c i f i n g i s e l o r n i M H S d l e i f . e r e h T e r a y t n e l p f o s m h t i r o g l a t a h t e s u A C P r e h t i e y l t c e r i d r o y l t c e r i d n i o t t c e t e d s e g a m a d n i s e r u t c u r t s . h g u o h t l A A C P s w o h s a l u f s s e c c u s e l o r n i e g a m a d n o i t c e t...
1 . I n t r o d u c t i o n R e c e n t p r o g r e s s i n t h e s t u d y o f b o t h a b s o r p t i v e a n d d i s p e r s i v e b i s t a b i l i t y i n l a s e r d i o d e s (LDs) i s r e v i e w e d / I / . T h e m o s t d i s t i n c t i v e f e a t u r e o f b i s t a b l e LDs i s t h a t t h e y h a v e o p t i c a l g a i n . O p t i c a l g a i n r e s u l t s i n a d v a n t a g...
SAM r e a d s s t o r i e s l i k e t h i s by i n t r o d u c i n g a f r a m e l i k e d a t a s t r u c t u r e c a l l e d a S c r i p t [ 2 ] when the f i r s t sen tence i s a n a l y z e d , and b y f i n d i n g subsequent i n p u t s i n t h i s c o n t e x t v i a t he e x p e c t a t i o n s t h a t a r e p r o g r e s s i v e l y a r o u s e d . The r e c o g n i t i o n p rocess i ...
f o r m e d t h e o p e r a t i o n a l f o u n d a t i o n s o f s c i e n c e , t h a t w e r e l a r g e l y t h e h e r i t a g e f r o m t h e t i m e o f A r i s t o t l e , i n t o i t s m o d e r n f o r m . T h e s e n e w f o u n d a t i o n s c o n s i s t e d o f t h e u s e o f ( 1 ) P h y s i c a l E x p e r i m e n t s a n d t h e u s e o f ( 2 ) M a t h e m a t i c a l M o d e l...
The use o f l a s e r c o o l e d s t o r e d i o n s i n an a t o m i c f r e q u e n c y s t a n d a r d h a s t h e p o t e n t i a l o f v e r y h i g h a c c u r a c y b e c a u s e D o p p l e r e f f e c t s a r e g r e a t l y suppressed. A c l o c k b a s e d o n + t h e g r o u n d s t a t e h y p e r f i n e t r a n s i t i o n i n 201Hg has p o t e n t i a l...
1985; and t h e pH o f b u l k p r e c i p i t a t i o n and s t ream w a t e r f r om 1975 th rough 1984. We c a l c u l a t e d cha rge ba lances f o r p r e c i p i t a t i o n and s t ream w a t e r and used t h e mass ba lances between i n p u t s and o u t p u t s t o c o n s t r u c t an average annua l a c i d budget f o r t h e watershed and t o draw i n f e r e n c e s about t h e f a...
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. I n t r o d u c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 1.1 T h e o r y of U l t r a f i l t r a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 1.2 C o n c e n t r a t i o n P o l a r i z a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . 144 2. G e l P o l a r i z a t i o n Model . . . . . . . . . . . . . . . . . . . . ...
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