abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

این پژوهش سعی بر آن داشت تا سه کتاب رایج آموزش زبان انگلیسی در موسسات اصفهان را مورد ارزیابی قرار دهد. به این منظور، ابتدا پیمایشی انجام شد که نشان داد سه کتاب four corners،top notchو interchange بیشتر از دیگرکتابهای موجود در بازار مورد استقبال و استفاده این موسسات قرار گرفته اند. پس از انتخاب کتابها برای ارزیابی، این پژوهش در دو مرحله انجام گرفت. در مرحله اول، برای تعیین ملاک های ارزیابی سه کت...

abstract: proverbs are of the language materials which of the food of any language depends on the quality and quantity of these same materials. in the present research, the researcher tried to present the ramsarian proverbs according to four variables of color, fruit, plantsand animals that selected from the book of the members of each of these four variables, put them into the spss system fo...