terfezia, picoa and tirmania, so called desert truffles, are mycorrhizal fungi mostly endemic to arid and semi-arid areas of the mediterranean region, where they are associated with helianthemum and carexspecies. the aim of this work was to study the identification, molecular analysis, distribution and hosts of these pezizalean hypogeous fungi in iran. among the specimens, terfezia claveryi, ti...

i.p.s. hypergroups are canonical hypergroups such that$[forall(a,x),a+xni x]longrightarrow[a+x=x].$i.p.s. hypergroups were investigated in [1], [2], [3], [4] and it was proved thatif the order is less than 9, they are strongly canonical (see [13]). in this paperwe obtain the sequences of fuzzy sets and of join spaces determined (see [8])by all i.p.s. hypergroups of order seven. for the meaning ...

water is one of the most valuable natural resources in human societies which is demanded by different parts of the society, and as one of the main inputs of production in agriculture has a special role in the agricultural sustainable development. nowadays, the consumption of water is more than the supply, and its highest consumption is in agriculture. this study scrutinized the role of manageme...

We review the construction of field operators of the N=1 supersymmetric Liouville theory in terms of the components of a quantized free superfield.

a glance at the growth and development of vocabulary control in persian will make it clear that the process can be divided into three distinct stages: 1.  preparation of lists of persian terms selected by documentation centers during the indexing process. 2.  translation into persian of the thesauri available in english and french languages. 3.  compilation of thesauri in persian based on warra...