نتایج جستجو برای: 6 and 12 tonnages
تعداد نتایج: 17021959 فیلتر نتایج به سال:
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
to study the effects of priming on seed germination traits of sainfoin 'eski', a factorial in randomized complete block design with three replications was conducted at the laboratory of agricultural research center of sari in 2011. treatments consisted of polyethylene glycol (peg6000) at 5 and 10%, potassium nitrate (kno3) at 5 and 10% and potassium chloride (kcl) at 5 and 10% levels ...
Background: Anxiety is the commonest problems before surgery. Preoperative anxiety not only causes pain and many suffering for children, but also has a negative impact on the recovery after surgery and probably later than that. Selecting a low risk and cost-effective way to control children's anxiety before surgery seems necessary. Aim: Influence of the puppet Kolah Ghermezi on preoperative anx...
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