G a u g e i n v a r i a n c e i s t h e b a s i s o f t h e m o d e r n t h e o r y o f e l e c t r o w e a k a n d s t r o n g i n t e r a c t i o n s ( t h e s o c a l l e d S t a n d a r d M o d e l ) . T h e r o o t s o f g a u g e i n v a r i a n c e g o b a c k t o t h e y e a r 1 8 2 0 w h e n e l e c t r o m a g n e t i s m w a s d i s c o v e r e d a n d t h e f i r s t e l e c t r o d...

rainfall and flow rate are of the most important climatic and hydrologic parameters whose investigation and determination of their behavior are of great importance in water resources management. one of the most suitable methods available for assessment of hydro-climatological conditions in the watershed is trend analysis which is used to examine the changes of a variable during time. current st...

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

in the absence of herbicides, cover crops play an important role for weed management in organic than in conventional farming. therefore, in order to evaluate the effects of cover crop management and plant density of buckwheat (fagopyrum esculentum) as cover crop on weed suppression, a field experiment was conducted at the research farm of university of zanjan, during the growing season of 2011....

in order to determine the lipids and lipoproteins profiles in iranian khouzestanian arab horses, blood samples were collected from the jugular vein of 77 horses(47 female, 30 male) from different age groups(< 6, 7-12, 12-36, 37-60, 61- 69 and > 96 months). serum cholesterol and triglyceride were measured by enzymatic methods and lipoproteins by precipitation methods. the results were analyzed b...

I V C P , I Z F A , N e w m a n C l u b a n d S C A are p l a n n i n g v a r i o u s a c t i v i t i e s f o r t h i s w e e k e n d a n d t h e f o l l o w i n g w e e k . I V C P is h a v i n g , a s g u e s t s p e a k e r , S t e w a r t M e r r i a m f r o m U n i o n C o l lege w h o wil l s p e a k o n " F o r e i g n a n d F a m i l i a r S h o r e s . " M r . M e r r i a m wil l g ive...

1 . a . F a l s e . T y p e 1 d i a b e t e s i s c a u s e d b y a u t o i m m u n e d e s t r u c t i o n o f t h e i n s u l i n s e c r e t i n g c e l l s i n t h e p a n c r e a s a n d c a n n o t b e p r e v e n t e d . b . t r u e . c . t r u e . d . F a l s e . T h e r e i s n o e v i d e n c e t h a t a n y d r u g i s s u p e r i o r t o a n y ...

beta-2 adrenoceptors in blood vessels are one of the active factors that play a role in regulation of tissue blood flow. in diabetic angiopathy, responsiveness of these receptors is decreased, while that is increased in inflammation. according to these opposite effects, the aim of this study was to investigate the vasodilatory response of knee joint blood vessels to salbutamol (beta-2 adrenocep...

this research was aimed to investgate the effect of light quality on micropropagation of pear rootstock oh×f333. first, single nodes explants were cultured in modified ql medium containing ba at four levels (0, 0.5, 1, and 2 mg/l-1) and iaa at three levels (0, 0.1, and 1 mg/l-1) and were evaluated for shoot proliferation. then, plantlets subcultured in modified ql medium containing 1 mg/l-1 ba ...

s c h r i f t e n i n e i n e r D a t e n b a n k e r f a ß t u n d s o w e i t m ö g l i c h a u t o m a t i s c h e r s c h l o s s e n . G e k a u f t e e l e k t r o n i s c h e Z e i t s c h r i f t e n s i n d n u r i n s o w e i t e n t h a l t e n , a l s s i e m i t d e n P a p i e r a u s g a b e n b e r e i t s e i n g e k a u f t s i n d . F ü r d i e E r s c h l i e ß u n g e i n g...