in this study, a simple and low-cost method was developed for extraction and pre-concentration of brilliant blue(bb) and tropaeolin o(to) in food samples using cloud point extraction (cpe) prior to spectrophotometric determination. the effects of main factors such as ph, surfactant and salt concentrations, incubation time and temperature on the cloud point extraction of both dyes were investiga...

I N T R O D U C T I O N . . 137 P R E V A L E N C E O F O B E S I T Y . . . 138 H E A L T H H A Z A R D S OF OBESITY . . 138 BODY F A T D I S T R I B U T I O N , I N S U L I N R ESI S T A NCE, H Y P E R I N S U L I N A E M I A A N D D I A B E T E S . . 139 R E G I O N A L A D I P O S E T I S S U E D I S T R I B U T I O N A N D P L A S M A L I P O P R O T E I N L E V E L S . . 140 A D I P O S E ...

in a r etrospective s t udy on the c ancer o f the gal l bladder, done in iran, it s e ems tha t it compr ises 0 . 36% o f a ll the malignant tumors . 1 .7 5% of the patients were fema les and the maximum incidenc e wa s in t he s i x th decade of l i f e. it was interesting t o note that the age ratio bet ween t he males and f ema le s reverses with t he advance o f a ge, s o at the 7th and 8t...

T h e tr i t ium and d e u t e r i u m c o n t e n t o f 24 s a m p l e s of a t m o s p h e r i c h y d r o g e n c o l l e c t e d at g r o u n d level near B u f f a l o . N . Y . ( U . S . A . ) , H a m b u r g ( G e r m a n y ) , and N ü r n b e r g ( G e r m a n y ) d u r i n g 1954 to 1956 was m e a s u r e d . At the b e g i n n i n g o f 1954 the T / H r a t i o was f o u n d to have b...

. a . F a l s e . W h e r e p o s s i b l e , c h a r g e a s i n g l e f e e f o r a l l s e r v i c e s a n d p l a c e c a s h i e r s a n d d i s p e n s a r i e s n e a r t h e e x i t . T h i s w i l l p r e v e n t u n n e c e s s a r y b a c k a n d f o r t h m o v e m e n t s . B . t r u e . 1 . c . F a l s e . S e e t h e e x a m p l e s i n T a b ...

A n h y d r o u s c h r o m i u m ( I I I ) c h l o r i d e r e a c t s w i t h p u r e c a r b o x y l i c a c i d s ( R C O O H w h e r e R = C H 3 , C 2 H 5 , n C 3 H 7 , C H 2 C I , C H C I 2 a n d C C 1 3 ) t o g i v e b a s i c t r i n u c l e a r c h r o m i u m ( I I I ) c a r b o x y l a t e s o f t h e g e n e r a l f o r m u l a [ C r 3 0 ( 0 0 C R ) 6 ] + C l ~ . T h e r e a c t i o...

background: p e r io d ontal d i s e ase i s a c h ro ni c des t ructi v e d i s e a s e w h ich o ccurs in adults, young people, and children .   perio d ontal disease and periodontal pathoge n s ha v e been associ a ted with se v er a l syste m ic dise a ses and more recen t ly, se v e r a l stu d ies have sug g es te d the relat i o n ship bet w een p e rio d ontal d isease and cancer. stu d...

In t h i s paper we show how t h e p a t t e r n samples g e n e r a t e d f r o m t h e unknown asymmet r i c f i n i t e m i x t u r e d i s t r i b u t i o n a re d i c h o t o m i z e d b y t h e Karhunen-Loeve o r t h o g o n a l sys tem i n t h e o p t i m a l way. We i n t r o d u c e t h e concep t o f t h e d i f f e r e n c e o f f e a t u r e s o f two c a t e g o r i e s and p r o v...

b i n a t i o n a l s w i t c h i n g n e t w o r k s which c o n t a i n s u f f i c i e n t r e d u n d a n c y s o t h a t t h e p r e s e n c e o f any s i n g l e f a u l t can b e d e t e c t e d. I t i s w e l l known t h a t (w i t h i n b r o a d l i m i t s) any i s o l a t e d f a u l t i n a s i n g l e-o u t p u t n e t w o r k may b e d e t e c t e d w i t h a b o u t 2 : 1 r e d ...