shiftwork that affects diverse aspects of human life is arranged in various schedules. the main purpose of this study was to compare psycho-social problems among employees working in different 12-hour shift schedules of iranian petrochemical industries. this cross-sectional study was carried out at eight petrochemical companies in asalooyeh area. the study population consisted of 549 shift work...

f a c t u r e d b y S e n s o r P r o d u c t I n c . ( E a s t H a n o v a , N J , U S A ) , i s o n e o f t h e e m e r g i n g m a t e r i a l s t h a t i s c o n v e n i e n t f o r m e a s u r e m e n t s o f t h e s t r e n g t h o f p r e s s u r e a n d p r e s s u r e d i s t r i b u t i o n p r o f i l e b e t w e e n t w o c o n t a c t i n g s u r f a c e s w i t h o u t a n y i n s...

A computer p rogram w h i c h s o l v e s p h y s i c s p r o b lems s t a t e d i n E n g l i s h i s d e s c r i b e d i n terms o f t h e knowledge w h i c h i s used t o t r a n s f o r m one t y p e o f r e p r e s e n t a t i o n i n t o a n o t h e r . The E n g l i s h s e n t e n c e s o f t h e p r o b l e m s t a t e m e n t a re p r o g r e s s i v e l y t r a n s f o r m e d i n t ...

two cu(ii) complexes, [cu(l1)2](no3)2 (1) and [cu(l2)2] (no3)2(2), which l1 and l2 schiff base ligands are 2-(thiophene-2-yl) -1h-imidazo [4,5-f] [1,10] phenanthroline and 2-(furane-2-yl)-1h-imidazo[4,5-f] [1,10] phenenthroline, respectively, were synthesized and characterized by physico - chemical and spectroscopic methods. corresponded cuo nanoparticles were prepared by calcination of the obt...

r , e p r e i e n t i r g " U r l r " i n a c o m p u t e r s y s t e m l o r u n d e r s t a n d i n g n a t u r a l l a n g u a g e . They a i d b o t h : n t h e f o r a u l a t i c n and e x p o s i t i o n o f t h e da*a s t r u c t u r e s t h e y r e s e m b l e . E x a m p l e s o f such g r a p h i c a l a i d s a r e f o u n d i n t h e work o f O u i l l i a n ( 1 9 6 8 , 1 9 6 9 ) ,...

S y n t a c t i c a n a l y s i s i n o u r t e r m s means t o c o n s t r u c t a d e s c r i p t i o n o f t h e s y n t a c t i c s t r u c t u r e s o f a g i v e n s e n t e n c e , s t a r t i n g f r o m a f o r m a l d e s c r i p t i o n o f t h e s y n t a c t i c f e a t u r e s o f . t h e w o r d f o ~ ( t h e r e s u l t o f a p r e c e d i n g w o r d f o r m a n e . l y s l s )...

L a n g u a g e i n t e r a c t i o n (L I ) a s a p a r t o f i n t e r p e r s o n a l c o m m u n i c a t i o n i s c o n s i d e r a b l y i n f l u e n c e d by p s y c h o l o g i c a l a n d s o c i a l r o l e s n f t h e p a r t n e r s a n d t h e i r p r a g m a t i c g o a l s . T h e s e a s p e c t s o f c o m m u n i c a t i o n s h o u l d be a c c o u n t e d f o r w h i l e e ...

738 M. Przybylski et al. • Field Desorption Mass Spectra of Oligopeptides 738 Table I . Fragment ions formed b y direct cleavage o f peptide bonds in the f .d . mass spectra of Trp-Met-Asp-PheN H 2 (I), Met -Asp -Phe -NH 2 (II) , A s p P h e N H 2 ( I I I ) and M e t A s p O H (IV) . m/e Partial sequence N, C-terminal sequence ion a ( % relative intensity )b I I I I I I I V 433 Trp-Met -Asp N 3...

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...