in order to study, the effect of pre-cooling treatment, osmotic potential and water stress on some population of two species of satureja bachtiarica and satureja sahendica was studied by a factorial experiment based on completely randomized design with three replications in laboratory and greenhouse conditions during one year in the gene bank of institute of forests and range lands by the years...

in this study, the effect of drought and different concentrations of silicon was examined on seed yield, essential oil percentage and physio-chemicals properties in fennel plant. the experimental design was a split plot with three irrigation regimes: irrigation at 100, 70 and 40 percent of fc comprising the main treatments, and five levels of silicon foliar sprays (0, 2.5, 5, 7.5 and 10 mm) as ...

this qualitative study was conducted to identify the factors and barriers of entrepreneurship development from the perspective of iranian entrepreneurs. in terms of purpose, this study is applied- developmental and it is performed via descriptive phenomenological method. qualitative content analysis was used to collect the data. the study population comprised of recorded interviews with the ent...

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

t i o n ) 4 7 : V a r i a b l e d i r e c t l y a f t e r \ i s b o u n d , a n y o c c u r r e n c e a f t e r i s b o u n d t o \ , e l s e f r e e 4 8 : e t a r e d u c t i o n : \ x . f ( x ) > f w h e r e f ( x ) i s a f u n c t i o n 4 9 : R e d u c i n g : r e n a m i n g a n d s u b s t i t u t i n g u n t i l i t i s p u t i n t o n o r m a l f o r m . 5 0 : E x t e n s i o n : s e t o...

a field experiment was conducted in research farm of isfahan university of technology, isfahan, iran in 2011 . various weeding periods were investigated on growth and yield of potato under drip tape and furrow irrigation systems. a split plot arrangement was used in a randomized complete block design with three replications. irrigation treatments were included in main plots and periods of weed ...

drought resistance is a very important characteristic needed for plant survival especially at germination stage, in arid and semi-arid lands. phosphatase enzymes are widely found in plants. these enzymes are responsible for dephosphorylation of organic phosphate and altering it to mineral phosphate. germination experiments were conducted in two bread wheat cultivars (sardari and alvand) under s...

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 ...

1 . I n t r o d u c t i o n . The i n f L u e n c e o f c a r b o n c o n t e n t and t i m e r e l a t e d par a m e t e r s on t h e i n t e r n a l f r i c t i o n b e h a v i o u r ( b e t w e e n room t e m p e r a t u r e and 77 K) o f Fe-Ni-C a l l o y s w i t h s u b z e r o M s t e m p c i a t u r e h a s a l r e a d y been s t u d i e d i n t h e 100 H z f r e q u e n c y r a n g e ( ...

introduction malachite green (mg) has been used as a food coloring agent, food additive, medical disinfectant as well as a dye in silk, wool, jute, leather, cotton, paper, and acrylic industries. it is also extensively used as a topical fungicide and ectoparasiticide in aquaculture industries throughout the world. the findings reveal that this dye has now become one of the most controversial co...