نتایج جستجو برای: ethanol solution

تعداد نتایج: 566008  

Journal: :علوم باغبانی 0
شنو امینی مصطفی عرب مجید راحمی عبدالرحمان رحیمی

this research was carried out in order to evaluate the influence of different concentrations of ethanol and methanol (0, 4, 6 and 12%) and two pulse treatments (12 and 24 hour) on longevity of cut standard-carnation (sensi cultivar) in a factorial based on randomized completely design with three replications, at tehran university, aboreyhan pardis, horticulture department, during 2010. the resu...

Journal: Journal of Herbal Drugs 2011
Ali Mehrafarin Esmaeil Khosravi Hassanali Naghdibadi, Mohammad Taghi Khosravi Reza Hajiaghaee

Background & Aim: This experiment investigated the effect of foliar application of methanol and ethanol on the biomass yield of medicinal plant Echinacea purpurea. Purple coneflower is an herbaceous perennial in the Asteraceae family that is used in therapy of respiratory tract infection and bacterial otitis. Experimental: This experiment was conducted in randomized complete ...

Ali Rafizadeh Maryam Nasouri Gazani Mohammad Naghi SafarzadehVishekaei Shahab Shariati

Plants re-emit a substantial fraction of their assimilated carbon into the atmosphere as biogenic volatile organic compound. According to the presence of relatively high amount of methanol in herbal distillates, finding different concentrations of ethanol in such drinks is expectable, as several studies appeared that produced ethanol by plants emits into the atmosphere as do methanol. In this s...

Journal: Journal of Herbal Drugs 2011
Ali Mehrafarin Esmaeil Khosravi Hassanali Naghdibadi, Mohammad Taghi Khosravi Reza Hajiaghaee

Background & Aim: This experiment investigated the effect of foliar application of methanol and ethanol on the biomass yield of medicinal plant Echinacea purpurea. Purple coneflower is an herbaceous perennial in the Asteraceae family that is used in therapy of respiratory tract infection and bacterial otitis. Experimental: This experiment was conducted in randomized complete ...

Journal: :journal of physical & theoretical chemistry 2005
m. aghaie f. ghaemi amiri m. giahi

using the evaporating method, the solubility of potassium nitrate was determined in various mixtures containing water and ethanol at 25°c. the results show that the solubility of kno3 decreases with increasing the mass percent of ethanol in the mixtures. this trend is along with decreasing the dielectric constant of water+ethanol mixtures. moreover, it can be concluded that the totqal solubilit...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2011
mohammad taghi khosravi ali mehrafarin hassanali naghdibadi reza hajiaghaee esmaeil khosravi

background & aim: this experiment investigated the effect of foliar application of methanol and ethanol on the biomass yield of medicinal plant echinacea purpurea. purple coneflower is an herbaceous perennial in the asteraceae family that is used in therapy of respiratory tract infection and bacterial otitis. experimental: this experiment was conducted in randomized complete block designed...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :Microbiology Australia 2008

Karamian, Roya, Nasr Esfahani, Maryam, Shabanian, Soheila,

Gerbera is an important commercial cut flower that its vase life is usually short due to vascular occlusion. In this study, we assessed the effect of ethanol (2%) in prolonging the vase life, fresh weight, relative water uptake and some physiological and biochemical factors in the stem of two cultivars of gerbera cut flowers (‘Bayadère’ and ‘Sunway’). Ethanol extended the vase life of cut flowe...

Mahyar Janahmadi, Mehrdad Roghani, Tourandokht Baluchnejad Mojarad,

There is strong evidence demonstrating that nifedipine dissolved in ethanol selectively inhibits only L-type Ca2+ current. In addition, acute ethanol exposure reduces voltage-dependent calcium currents. In the present study, we investigated the antagonistic effect of fixed concentration of nifedipine dissolved in different concentration of ethanol on L-type Ca2+ current. In a Na+-K+ free soluti...

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