1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...

this study considers the level of increase in customer satisfaction by supplying the variant customer requirements with respect to organizational restrictions. in this regard, anp, qfd and bgp techniques are used in a fuzzy set and a model is proposed in order to help the organization optimize the multi-objective decision-making process. the prioritization of technical attributes is the result ...

In a wide range of fabrics attributed to Sasanian era, animal motifs are observable in the form of geometric designs, including medallions. The case study in the present paper concerned animal motifs of Sassanid textiles with a focus on natural and non-domesticated animals that were able to be depicted in the form of a Medallion design alone and without the presence of a hunter. According to th...

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

Sarbisheh County in the south Khorasan province has always been affected by the cultural and social behaviors of the immigrants and nomadic tribes, due to its special geographical location. The result of these immigration impacts is shown in the present paper to illustrate the relationship between the pottery motifs obtained from the four chapters of the archaeological excavation of the area of...

Japan and Guilan being located in similar climates have experienced same architectural and artistic characteristics such as Kumiko art and gereh-chini. Due to the fact that so far no research has been conducted on the similarities and differences between Kumiko and gereh-chini, the present research will try to investigate the components forming the two arts. With the aid of comparative studies,...

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

in this thesis protic and aprotic ammonium-based ionic liquids were synthesized and their surface tensions were measured in the range of 298-373k. the protics are alkyl ammonium-based ils with the carboxylate (formate, acetate, propionate) anion and aprotics are quaternary ammonium-based ils with bis(trifluoromethylsulfonyl)imide anion. capillary rise method was used for surface tension measure...

today, information technology and computers are indispensable tools of any profession and translation technologies have become an indispensable part of translator’s workstation. with the increasing demands for high productivity and speed as well as consistency and with the rise of new demands for translation and localization, it is necessary for translators to be familiar with market demands an...