Melissa officinalisL. is a herbaceous and perennial plantof family Lamiaceae. It is an antioxidant plant that is found in northern Iran. Aluminum is a heavy metal that generates oxidative stresses in plants, among which antioxidant enzymes are among the most important herbal defensive measures in inhibition of reactive oxygen species.Iron is an essential, while low-consuming, element for plants...

in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...

vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...

the purpose of this study was to investigate the relationship between family functioning and marital adjustment humor couples are due to the nature and objectives of the research and application of methods for its implementation correlation was used. the study population consisted of all the couples in the city who uses random cluster sampling of 200 students were selected as sample. data from ...

In calcareous and alkaline soils, which include most of Iran soils, iron deficiency is prevalent. The main cause of iron deficiency chlorosis is high pH of soil. Among fruit trees, peach shows high sensitivity to iron deficiency. Chelated iron fertilizers with a great ability to make iron soluble and readily absorbed by the plant are used for iron deficiency. For this purpose, an experiment bas...