sizing of paperboard has a distinctive position in packaging grade paperboard material. optimization of sizing by alum-rosin at neutral ph in 4 layered paperboard (330 g/m2) wereevaluated in this study to find the optimum ratio of alum- rosin loading in the process. fixed amount of 1% cationic dispersed rosin together with alum as a fixing agent at 5 different levels of 1, 1.5, 2, 3, and 4% (ba...

activities of thirty bacterial strains obtained from plants rhizosphere in different areas against phytophthora drechsleri were assessed through in vitro and greenhouse experiments. dual culture and extracellular metabolites tests were used in in vitro assays. the bacterial strains inhibited growth of p. drechsleri, the highest inhibition zones was belonged to t17-4 strain with 61.904% in dual ...

The p r o b l e m o f p l a n n i n g s a f e t r a j e c t o r i e s f o r compute r c o n t r o l l e d m a n i p u l a t o r s w i t h two movab le l i n k s and m u l t i p l e deg rees o f f r eedom i s a n a l y z e d , and a s o l u t i o n t o t h e p r o b l e m p r o p o s e d . The key f e a t u r e s o f t h e s o l u t i o n a r e : 1 . t h e i d e n t i f i c a t i o n o f t r a j...

Q u a n t u m c o n d e n s a t i o n o f a n i n t e r a c t i n g f e r m i o n o r b o s o n g a s is f o r m u l a t e d w i t h t h e h e l p o f t h e m e t h o d o f t h e q u a s i e x p e c t a t i o n v a l u e 1 . A c o n v e n i e n t v e r s i o n o f th i s m e t h o d w a s , f o r t h e b o s o n g a s , g i v e n r e c e n t l y b y t h e a u t h o r 2> 3 . I t is a d a p t e d...

the district of miyān kūh in the ardal town,chahār mahāl bakhtiari province, because of its high mountains, deep valleys and the fields among small mounts, being placed in the path of the was dering tribes has been the focus of the attention. the rigion has two different viewpoint. one part featuring the mounts chēhēl cheshme and gereh with the altitude of more than 3500 m., has cold winter and...

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...

A l t h o u g h m e t h a n o l i s t h o u g h t t o b e a n e x c e l l e n t a u t o m o t i v e f u e l , i t h a s a smaller v o l u m e t r i c f u e l v a l u e t h a n g a s o l i n e . T h e c a t a l y t i c d e c o m p o s i t i o n o f m e t h a n o l i n t o s y n g a s , p r i o r t o i t s c o m b u s t i o n i n t h e e n g i n e , i m p r o v e s i t s f u e l v a l u e by a p ...

introduction precipitation is one of the most important meteorological variables in comparison with other climatic parameters. it varies extremely over time and space. the occurrence of this climate phenomenon requires specific circumstances in environment. its accurate measurement is important to a wide range of decision makers including hydrologists, agriculturalists, industrialists and etc. ...

detopping in some plants reduces vegetative growth and increases transporting of photosynthate materials to specific sinks such as seeds. to study the effects of detopping removal and plant density on yield and yield components of faba bean (vicia faba l.), an experiment was carried out as a factorial arrangement based on a randomized complete block design with three replications at farm resear...

this research is about analysis of relation between trust and organizational commitment of personnel. statistic social in this research is the personnel of social welfare organization of qom state and education organization of qom state and statical sample is consist of 35 employees from social welfare organization and 54 employees from education organization of qom state. in analysis of organi...