نتایج جستجو برای: et al 2004
تعداد نتایج: 741038 فیلتر نتایج به سال:
In this paper we specify the conditions on the parameters of pairs of gOS’s under which the corresponding generalized order statistics are ordered according to usual stochastic ordering, hazard rate ordering, likelihood ratio ordering and dispersive ordering. We consider this problem in one-sample as well as two-sample problems. We show that some of the results obtained by Franco et al. ...
Secretion and membrane fusion are fundamental cellular processes regulating endoplasmic reticulum (ER)–Golgi transport, plasma membrane recycling, cell division, sexual reproduction, acid secretion, and the release of enzymes, hormones, and neurotransmitters, to name just a few. It is therefore no surprise that defects in secretion and membrane fusion give rise to diseases such as diabetes, Alz...
introduction: numerous studies have investigated the prevalence, incidence and clinical manifestations of gastrointestinal stromal tumors (gists). however, little is known about gists in iran. this pioneer study focuses on description of 36 patients with gists in iran. methods: a database was created for 36 patients suffering from gist who were treated in loghman medical center and tehran cance...
The variation in animal mating systems has received a great deal of attention from behaviorists and evolutionary biologists alike (Shuster & Wade 2003). Polyandry, the mating of a single female with multiple males, is evolutionarily derived (Hughes et al. 2008) and relatively rare in social insects (Strassmann 2001). Modest polyandry has evolved in Vespula wasps (Ross 1986; Foster & Ratnieks 20...
The radial basis function (RBF) network is a popular artificial neural network (ANN) architecture that has found wide-ranging applications in many diverse fields of engineering, see for example, (Chen et al., 1990; Leonard & Kramer, 1991; Chen et al., 1993; Caiti & Parisini, 1994; Gorinevsky et al., 1996; Cha & Kassam, 1996; Rosenblum & Davis, 1996; Refaee et al., 1999; Muraki et al., 2001; Muk...
بیشتر افراد کنه های خانواده ی اریوفیده از آفات مهم گیاهان هستند. از سویی، تعدادی از آنها به دلیل تک خواری و سایر ویژگی های زیستی و بوم شناختی دارای پتانسیل به کارگیری در کنترل زیستی علف های هرز هستند. به منظور شناسایی کنه های خانواده ی اریوفیده فعال روی علف های هرز بوم نظام های کشاورزی در فصول زراعی سال های 1389 و 1390 ضمن بازدید از مناطق مختلف استان خراسان رضوی اقدام به نمونه برداری از گونه ها...
Recently, titanium compounds with one-dimensional nanostructures, such as nanotubes and nanofibers, have recently attracted much attention. Among these 1-D compounds, nanotubes composed of titanium dioxide and titanate are now being studied actively. Titanium dioxide nanotubes can be synthesized using porous anodic alumina membranes (Imai et al., 1999; Yamanaka et al., 2004), organic molecules ...
Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) (OMIM #270550) was originally found among inhabitants of the Charlevoix-Saguenay region of Quebec (Bouchard et al., 1978). ARSACS patients in Quebec show uniform phenotypes characterized by early-onset spastic ataxia, peripheral neuropathy, retinal hypermyelination, hand or foot deformities, and normal mentality. In 2000, the SA...
Polybrominated diphenyl ethers (PBDEs) are flame retardant chemicals that are now considered a new class of persistent organic pollutants. Over the past thirty years, the levels of PBDEs have been increasing rapidly in a variety of environmental compartments and in human tissues (Hites 2004). Presently, two of the three commercial mixtures of PBDEs (pentaBDE and octaBDE) are either banned from ...
Automated negotiation provides an important mechanism to reach agreements among distributed decision makers (Beer et al., 1999; Kraus et al., 1998; Lai et al., 2004; Rosenschein & Zlotkin, 1994). It has been extensively studied from the perspective of e-commerce (Guttman et al., 1998; He et al., 2003; Lopez-Carmona et al., 2006; Sierra, 2004), though it can be seen from a more general perspecti...
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