نتایج جستجو برای: five frequencies and five treatments as control full light

تعداد نتایج: 17601668  

Journal: :حفاظت گیاهان 0
مجید عباس پور علی اصغر چیت بند محمد رضا ملک آرا حسین توکلی

mixing herbicides is an essential for weed management strategy of reduce herbicide using and reducing the risk of side-effects and costs of herbicides. therefore, to study the effect of clopyralid and glyphosate and their mixtures on acroptylon repense control, a field trial was conducted as split plot based on a completely randomized block design with 35 treatments (as dose-response arrangemen...

Journal: :iranian journal of veterinary medicine 2015
hossein ali ghasemi kamran taherpour

background: nutritional strategies targeting improvement of poultry performance and disease prevention are currently being developed and in this respect the dietary intake of spiced essential oils and pre-biotics in raising broilers is receiving attention. objectives: this study was conducted to compare the effects of diet containing ginger essential oils (geo) and mannan-oligosaccharide (mos) ...

The aim of this study was to increase the production efficiency of reared Great sturgeon (Huso huso) in the larval stage (after hatching until absorption of the yolk sac) under the corresponding influence of photoperiod and light intensity. In this study, the larvae from the after hatching to the complete absorption of the yolk sac were exposed to four light intensities (0-10; 70-100; 200-170 a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات 1394

abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...

Journal: :Behavior Research Methods, Instruments, & Computers 2004

Journal: :The Journal of General Physiology 1941
A. D. Hershey J. Bronfenbrenner

Parker (1) has shown that the results of infectivity measurements with vaccinia virus may be interpreted as a Poisson distribution of single infective particles among aliquots of the virus obtained by dilution. Thus, if it may be assumed that there exists a quanti ty of virus invariably necessary and invariably sufficient to produce a lesion in the skin of the rabbit, the behavior on dilution r...

2010
Emrah Orhun

Turkey has initiated a number of projects to improve the quality of education and to provide students with knowledge and skills needed for the job market through the integration of information and communication technology (ICT) into education during the last twenty-five years. This paper is an overview of those initiatives of ICT in education in Turkey. It is argued that more attention is neede...

Journal: :journal of ornamental plants 2015
amir khasmakhi-sabet

this research had conducted to investigate light intensity effects on the lucky bamboo growth in islamic azad university, abhar branch. the experiment arranged as a complete randomized block design with five treatments (0.75, 1.14, 1.89, 2.29 and 4.09 mmol m-2 s-1) in ten replications. results showed that 1.89 mmol m-2 s-1 had significant differences than other treatments. the higher level of r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...

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