نتایج جستجو برای: bbc فارسی
تعداد نتایج: 23011 فیلتر نتایج به سال:
To provide public service broadcasting on digital satellite, digital terrestrial and digital cable the BBC has been working in partnership with other UK broadcasters to develop widescreen digital television services ready for launch on DSAT and DTT in 1998 and subsequently on DCABLE. As the BBC is both a National and a regional broadcaster, the complexity and economics of distributing new servi...
Since previous BEAM’06 workshop a year ago, significant progress has been made in the field of beambeam compensation (BBC) – it has been experimentally demonstrated that both Tevatron Electron Lenses (TEL) significantly improve proton and luminosity lifetimes in high-luminosity stores. This article summarizes these results and discusses prospects of the BBC in Tevatron, RHIC and LHC.
Biobased carbon materials (BBC) obtained from Norway spruce (Picea abies Karst.) bark was produced by single-step chemical activation with ZnCl2 or KOH, and pyrolysis at 800 °C for one hour. The reagent had a significant impact on the properties of BBCs. KOH-biobased material (KOH-BBC) higher specific surface area (SBET), equal to 1067 m2 g?1, larger pore volume (0.558 cm3 g?1), more mesopores,...
This paper addresses power quality compensation with a constant DC-capacitor voltage-control (CDCVC)-based reactive control method for three-leg pulse-width modulated (PWM) rectifier in bidirectional battery charger (BBC) electric vehicles (EVs) commercial single-phase three-wire low-voltage feeders, considering two domestic consumers. The instantaneous flowing into the PWM demonstrates that ba...
Despite marked advances in breast cancer therapy, basal-like breast cancer (BBC), an aggressive subtype of breast cancer usually lacking estrogen and progesterone receptors, remains difficult to treat. In this study, we report the identification of MELK as a novel oncogenic kinase from an in vivo tumorigenesis screen using a kinome-wide open reading frames (ORFs) library. Analysis of clinical d...
We study the complexity of computing equilibria in two classes of network games based on flows fractional BGP (Border Gateway Protocol) games and fractional BBC (Bounded Budget Connection) games. BGP is the glue that holds the Internet together and hence its stability, i.e. the equilibria of fractional BGP games [15], is a matter of practical importance. BBC games [21] follow in the tradition o...
BACKGROUND The aim of this study was to investigate the current surgical management strategy for bilateral breast cancer (BBC) patients and to assess the changes in this strategy in China. METHODS This is a retrospective review of all patients with early-stage BBC who underwent surgical treatment at the Fudan University Shanghai Cancer Center between June 2007 and June 2014. RESULTS A total...
The CAMiLEON Project [1] was initiated in 1999 at the Universities of Leeds (JISC funded) and Michigan (NSF funded) to explore, develop and evaluate technical strategies [2] for use in digital preservation. In particular, CAMiLEON was tasked with getting to grips with a proposed strategy called Emulation. An emulator is a software program that mimics the function of another computer. In a digit...
In the late 1990’s, Back-to-Back Correlations (BBC) of boson-antiboson pairs were predict to exist if the particles masses were modified in the hot and dense medium[ 1], expected to be formed in high energy nucleus-nucleus collisions. The BBC are related to in-medium mass-modification and squeezing of the quanta involved. Not much longer after that, it was also shown that an analogous BBC exist...
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