نتایج جستجو برای: o r p

تعداد نتایج: 2030851  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم پایه 1391

3,4- ،ch3s(o)2nhp(o)cl2 ، 4 -ch3c6h4nhp(o)cl در این پژوهش ابتدا پیش ماده های 2 4- ) تهیه شده و در سنتز فسفر آمیدهای زیر به کار no2)c6h4c(o)nhp(o)cl و 2 (f2)c6h3c(o)nhp(o)cl2 [(4- ،[(c6h11)(ch3)n]p(o)[nhc6h4(4-ch3)]2 ، [(4-ch3)c6h4nh]p(o)[nc5h9(4-ch3)] گرفته شدند 2 [(3,4- ، ch3s(o)2nhp(o)(nc4h8o)2 ، ch3s(o)2nhp(o)(nhc6h11)2 ، ch3)c6h4nh]p(o)(nhch3)2 4- )]. همچنین فسفر no2)c6h4c(o)nh]p(o)[n(c...

Journal: :مهندسی صنایع و مدیریت 0
مهدی سیف برقی گروه مهندسی صنایع، دانشگاه الزهرا مصطفی ستاک دانشکده ی مهندسی صنایع، دانشگاه خواجه نصیرالدین طوسی عصمت تقی پور اناری گروه مهندسی صنایع، دانشگاه الزهرا(س)

o r g a n i z a t i o n s i n a s u p p l y c h a i n a r e i n d e p e n d e n t e n t i t i e s. a l t h o u g h a c o m p l e t e l y i n t e g r a t e d s o l u t i o n m a y r e s u l t i n o p t i m a l s y s t e m p e r f o r m a n c e, s u p p l y c h a i n m e m b e r s a r e i n t e r e s t e d i n o p t i m i z i n g t h e i r o w n o b j e c t i v e r a t h e r t h a n t h a t o f t...

Journal: :مهندسی صنایع و مدیریت 0
سیدحسین ایرانمنش دانشکده مهندسی صنایع-دانشگاه تهران حمید رستگار دانشکده مهندسی صنایع-دانشگاه تهران محمدحسین مختارانی دانشکده مهندسی صنایع-دانشگاه تهران

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

2004
Michael Gatto Riko Jacob Leon Peeters Birgitta Weber Peter Widmayer

Railway optimization problems have been studied from a mathematical programming perspective for decades. This approach is particularly well suited to model the multitude of constraints that typically arises in the context of a railway system. In recent years, these problems have attracted some attention in the algorithms community, with a focus on individual problem aspects, in an attempt to un...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

.@o@5@!/5854 >#n(ml54% #@2 - 5 ! r#.l< n(ml4q#4% ,p5 s@#.l< $f8 ,4 @4 % ! =#.l< +%#t # a.@o@5@!l+-,-/84% e>,<-- w4&#p#x5y2350 3# : =0$uv> 4,#s@b- wbz;4 , r:.@o@5@!/58n(ml4% #f 5 54% @2; i%#j3# t=#- [#.l<; i%#j3 w34.@o@5@!/58+ 54 >n(ml /854&# #5:\%:4@pp;8# #4@2sl]# ,p5 <o^ 5)! = #@2 .@o@5@!/58:n(ml4% #f >,_ 9 * rz [ .@o@5@!/5854 ...

Journal: :journal of midwifery and reproductive health 0
ashraf ghiasi msc of midwifery, department of midwifery and reproductive health, faculty of medical sciences, tarbiat modares university, tehran, iran saeideh ziaei professor, department of midwifery and reproductive health , school of medical sciences, tarbiat modares university, tehran, iran. soghrat faghihzadeh professor, department of biostatistics, school of medical science , tarbiat modarres university, tehran, iran

background & aim:  this study aimed to determine the relationship between lipid and apolipoprotein b-100 (apo b-100) levels in maternal and umbilical cord sera as well as the effects of these components on anthropometric measurements of newborn infants. methods:this correlational study was performed on 85 appropriate for gestational age (aga) newborns and their mothers. for analysis, 5 ml of ma...

Journal: :international journal of nano dimension 0
s. sadeghian motlagh department of chemistry, roudehen branch, islamic azad university, roudehen, iran. f. najafi department of chemistry, roudehen branch, islamic azad university, roudehen, iran.

aluminophosphate-5 (alpo4-5) nano-pore zeolite was synthesized. the effect of alteration in precursor gel preparation on the morphology of zeolite was studied. the effect of variety of synthesis conditions on the purity, crystal and pore size, and crystallinity of alpo4-5 zeolite been studied. a hydrothermal synthesis has been used to produce nano-pore aluminophosphate-5 crystals. the crystals ...

Journal: :iranian journal of cancer prevention 0
j ansari dept. of radiation oncology, aiatollah khoansari hospital, arak university of medical sciences, arak, iran a chehrei dept. of pathology, amiralmoamenin hospital, arak university of medical sciences, arak, iran m amini dept. of surgery, valiasr hospital, arak university of medical sciences, arak, iran sh alizade dept. of surgery, valiasr hospital, arak university of medical sciences, arak, iran mh sanei dept. of pathology, alzahra hospital, isfahan university of medical sciences, isfahan, iran

background: h e r2/ n eu i so n e o ftheepi de rmalg r owth f actor r e c e pt o rsfami l i e s andsee m stohaveprognosticsignificanceofsomesolid t umors.theo b jecti v eof thisstu d yistoevaluatet h epossi b ilityofher2ex p ressioningastricca n cersand the p o s si b le r e lat i o n ship o fh e r2withtumo r ’scli n icopat h o l o gicpara m e te r sa n d a l s oits pr o gno s tic r o l e .   m...

Journal: :مهندسی صنایع و مدیریت 0
عبدالحمید اشراق نیای جهرمی دانشکده مهندسی صنایع- دانشگاه صنعتی شریف

u n d o u b t e d l y, i n t h e l a s t d e c a d e s, t h e a s s e t p r i c i n g m o d e l i so n e o f m o s t i m p o r t a n t a n d, a t t h e s a m e t i m e, a t t r a c t i v e, f i n a n c e a r e a s. c a p m h a s b e e n t h e d o m i n a n t m o d e l i n t h i s s e c t i o n f o r m o r e t h a n 40 y e a r s. o n e r e a s o n i s i t s s t r o n g b a s e, w h i c h h a s b...

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