نتایج جستجو برای: medium 2
تعداد نتایج: 2702650 فیلتر نتایج به سال:
Broadband and mobile communications are presently the two major drivers in the telecommunications industry. Asynchronous Transfer Mode (ATM) is considered the most suitable transport technique for the Broadband Integrated Services Digital Network (B-ISDN), due to its ability to flexibly support a wide range of services with Quality-of-Service (QoS) guarantees. These services are categorized in ...
2014 The propagation of a front (we use the model of a forest fire) in a bidimensional random lattice is studied for several different types of interactions. We obtain the corresponding critical concentrations and critical exponents calculated by means of the finite size scaling conjecture. These exponents are expressed in terms of the fractal dimension of the infinite cluster and of the spread...
We use far-UV absorption spectra obtained with FUSE towards three late B stars to study the formation and excitation of H2 in the diffuse ISM. The data interpretation relies on a model of the chemical and thermal balance in photon-illuminated gas. The data constrain well the n R product between gas density and H2 formation rate on dust grains: n R = 1 to 2.2 10s. For each line of sight the mean...
Experiments were carried out in order to micropropagate sugarcane cultivars through shoot tip and auxilliary bud culture. Rinsing of four cultivars of sugarcane, namely CP-48-103, CP-57-614, CP-69-1062, and NCO-310 in 75% alcohol for 60 seconds and their subsequent disinfection with sodium and calcium hypochloride (1.5% active material) for 15 minutes decreased a significant amount of infection...
Objective: Glioblastoma multiforme (GBM) is the deadliest type of primary brain tumors, and the survival of patients is estimated to be only about one year. This study, for the first time, investigated the cytotoxic effects of auraptene on U87 GBM cell line.<b...
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