نتایج جستجو برای: biological effect
تعداد نتایج: 2048709 فیلتر نتایج به سال:
A series of angiotensin II (A II) receptor antagonist of some substituted 5-(biphenyl-4-ylmethyl) pyrazole were subjected to QSAR analysis using Hansch and Fujita-Ban model, by using combination of thermodynamic, electronic, spatial descriptor and presence or absence of substituent respectively. Several QSAR model were obtained using stepwise regression analysis. Two models from both the ...
Emodin, a secondary metabolite of many plants, has wide spectrum biological action on various groups organisms, but the mechanisms its plants are practically not studied. There is an assumption that emodin plays certain role in allelopathy, getting into soil with fallen leaves form glycosides, which break down aglycones and stored ecosystem. The aim study was to establish effects growth process...
This research set out to evaluate the effect of combined biological and chemical nitrogen fertilizers on some corn hybrids. To this end an experiment was conducted as split plot on the basis of randomized complete block design with four replications. Main plots were included: use of chemical and biological fertilizers in four levels: 100% chemical fertilizer, 75% chemical fertilizer + 100% bio-...
The effects of application different amount cattle manure on some of quality and quantity characteristics such as plant height, stem diameter, head diameter, biological yield, seed yield, oil in seed and protein in seed on hybrids sunflower hybrids was investigated in 2008. This experiment was conducted at Agricultural and Natural Resource Research Station of Uremia. The experimental design was...
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