edaphic mesostigmata are important, because these feed on arthropods and other invertebrates which may affect on natural equilibrium position of oter living micro-organisms. in order to study the fauna of mesostigmatid mites, samples of soil, litter were collected from different parts of esfahan region. mites were extracted by means of berlese funnel, cleared in lactic acid and mounted with hoy...

soil-dwelling mites and especially gamasina (mesostigmata) are very important to soil ecosystems. they are one of the major groups rich in species and abundance. in order to study mesostigmatic mite fauna, soil samples were collected from different oak forests of lordegan region. the mites were extracted using berlese-tullgren funnels and then cleared in lactic acid and mounted in hoyer's mediu...

Some statistical properties of a network of two-Chinese-character compound words in Japanese language are reported. In this network, a node represents a Chinese character and an edge represents a two-Chinese-character compound word. It is found that this network has properties of “small-world” and “scale-free.” A network formed by only Chinese characters for common use (joyo-kanji in Japanese),...

We show that even in the absence of diminishing returns in production and technological spillovers, international trade leads to a stable world income distribution. This is because specialization and trade introduce de facto diminishing returns: countries that accumulate capital faster than average experience declining export prices, depressing the rate of return to capital and discouraging fur...

In this paper, the behavior characteristics that the specifical campus group users accessing world wide web has been studied, the dynamic group interest network has been constructed, which was a para-bipartite graph and the topological structure had been discussed. Although the users’ visiting time is random and the web pages they visited are different but the interests of a majority of the cam...

We present methods for drawing graphs that arise in various information networks. It has been noted that many realistic graphs have power law degree distribution and exhibit the small world phenomenon. Our algorithm is influenced by recent developments on modeling and analysis of such power law graphs.