نتایج جستجو برای: y terpinene
تعداد نتایج: 494748 فیلتر نتایج به سال:
background: satureja sahandica is a perennial plant of the family lamiaceae and an aromatic plant of iran flora with its essential oil components used in culinary, medicinal, and perfume industries. objective: to identify components of s. sahandica planted in qazvin condition. methods: aerial parts of s. sahandica were collected from a research farm (qazvin agriculture and natural resources res...
conclusions according to antioxidant activity outcomes, the amount of ic50s of aqueous extracts of flower and stem and also butylated hydroxyl toluene (bht) as standard were 232.34, 63.25 and 45.59 ppm respectively. ultimately, it was highlighted that antioxidant activity of aqueous extract of flower was weaker than stem. results sixty one compounds were identified in the essential oil of the f...
در این پایان نامه به بررسی پایداری معادله تابعی غیر خطی جمعی - مربعی درجه دوم و درجه چهارم +(f(x+ 2y) + f(x - 2y) = 2f(x+y) + 2f(-x - y) + 2f(x - y (2f(y - x )- 4f(-x) – 2f(x) + f(2y) + f(-2y) – 4f(y)- 4f(-y پرداخته و با استفاده از روش نقطه ی ثابت پایداری معادله تابعی فوق را مورد بررسی قرار می دهیم ودر ادامه مجددا با استفاده از روش نقطه ی ثابت پایداری هایرز - اولام - راسیاس معادله...
background: thymus daenensis celak. is one of the medicinal plants which cultivated in iran. this plant involve high amount of polyphenols including thymol and carvacrol, which were reported to possess the high antioxidant activity. objective: antioxidative activity (aoa) and chemical constituents of thymus daenensis essential oil (tdeo) were examined. also, the effect of thermal treatments (80...
background & aim: staphylococcus aureus is one of the bacterial pathogens and the most important factor in hospitalized infections in human community. this bacterium is becoming resistance to chemical drugs quickly. lots of countries are trying to find new compositions as a suitable replacement for these antibiotics. the aim of this study was antibacterial activity and chemical composition ...
this study aims to investigate the essential oils content of thymbr spicata l. in two times before flowering and full flowering in shirpenah area in ilam province. both samples were dried out in shade and without humidity. then 50 grams of each sample were powdered after obtaining the essential oils by hydro distillation using a clevenger apparatus for 2 hours. resulted oils were dried by anhyd...
این پایان نامه شامل 5 فصل می باشد که در فصل اول به بررسی و بیان مفاهیم اولیه و پایداری معادله تابعی کوشی ، جهت استفاده در فصل های می پردازد. در فصل دوم ابتدا به پایداری هایرز-اولام چندجمله ای x^n+ax+b=0 وقتی x متعلق به [1,1-] باشد می پردازد و سپس به پایداری هایرز-اولام ،چندجمله ایهای از درجه n در دو حالت ،حقیقی و مختلط می پردازد . در فصل سوم ابتدا به بررسی حل و پایداری هایرز-اولام-راسیاس بر...
فرض کنیم x و y فضاهای کاملا منظم و e و f فضاهای برداری توپولوژی باشند. نگاشت خطی t? a(x,e) ?(?? ) a(y,f)بین زیر فضاهای a(x,e) و a(y,f) از c(x,e)و c(y,f)را حافظ صفر مشترک نامیم هرگاه برای هر تعداد متناهی تابع?f ?_1,...,f_n در a(x,e)که صفرهای مشترک دارند تصاویر آنها نیز تحتt صفر مشترک داشته باشند.در این پایان نامه که مرجع اصلی آن [14] و [15] می باشد نگاشتهای حافظ صفرهای مشترک را بین زیر فضاهای خا...
The peel which is the primary waste of citrus fruit processing usually discarded. But these peels are good source pectin, phenols, flavonoids, and limonene. can be used to extract essential oil that in food system. present study aimed extraction analyse chemical composition by hydrodistillation soxhlet methodThe optimum condition for method was standardized efficient at 95 °C. time 3 hours with...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید