Extensive lack of data and information gaps for recreational fishing necessitate knowledge of the species caught to establish aquatic reserve management. Therefore, in the present study in 2021, by collecting lenght and weight information of major recreational fishes in the main recreational fishing area was done with hooks. The results showed that between the length and weight of common carp i...

in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...

Introduction Regarding the fact that economic activities, in particular, and resources and facilities, in general, are poorly concentrated in terms of spatial distribution, every area requires a particular program corresponding to its specific conditions. In this way, before doing everything we need to identify the past and present situation of different regions based on appropriate scientif...

Aims and Background: One of the issues that have a great contribution in achieving social comfort and welfare is security and analysis of its related components. The present study was conducted with the aim of social pathology and analyzing indicators related to social security in Iran by using the combined compromise solution, which is one of the new multi-attribute decision-making techniques....

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

Introduction: Today, quality of life as a powerful tool for monitoring community development planners and expresses the general social, economic and environmental characteristics in the regions. Due to the special place of quality of life in sustainable development and social and economic development planning, non-governmental organizations and the government at the national and local levels ar...

Introduction: The development process is multidimensional and includes various dimensions. The social dimensions of the development include different indicators such as educational, health indicators and migration, which have received less attention. The first step in solving the problems arising from inequality is to recognize and level the regions. Therefore, the present study was conducted w...