نتایج جستجو برای: continuous beams

تعداد نتایج: 292897  

2008
MO D ERN A. Laganà

3 The universal CMB 4 3.1 The reactant beam generation . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1.1 The beam specificity . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1.2 Continuous and pulsed supersonic beams of transient species . . . . 6 3.1.3 Reagent state-selection . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.2 The product detection and characterization . . ...

Journal: :journal of rehabilitation in civil engineering 2014
azadeh alsadat asghari zahra tabrizian morteza hossein ali beigy gholamreza ghodrati amiri bahram navayineya

. this paper presents the results of an experimental investigation on shear strength enhancement of reinforced concrete deep beams externally reinforced with fiber reinforced polymer (frp) composites. a total of six deep beam specimens of two different classes, as-built (unstrengthened) and retrofitted were tested in the experimental evaluation program. two composite systems namely carbon/epoxy...

Journal: :iranian journal of radiation research 0
h. foroutan nuclear science research school, nuclear science and technology institute, tehran, iran m. hodabakhsh nuclear science research school, nuclear science and technology institute, tehran, iran m. rabbani nuclear science research school, nuclear science and technology institute, tehran, iran

background: a dressing often covers the wound to accelerate its healing. hydrocolloid-type dressing to give better conditions for healing has been developed consisting of gelatin, pectin, water and hydrophilic polymer which promote healing. in recent years, much attention has been focused on the research and development of polymer hydrogels as biomaterials, such as contact lenses, wound dressin...

Journal: :Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology 2010
Alireza Naseri Asghar Mesbahi

In radiation therapy with high-energy photon beams (E > 10 MeV) neutrons are generated mainly in linacs head thorough (γ,n) interactions of photons with nuclei of high atomic number materials that constitute the linac head and the beam collimation system. These neutrons affect the shielding requirements in radiation therapy rooms and also increase the out-of-field radiation dose of patients und...

2001
Y. Iwashita A. Morita

Large energy spread of muon beams can be reduced by so-called phase rotation. It requires rather low frequency or long slope in the RF waveform and rather high gradient field against the short muon lifetime. Because such a low frequency high gradient RF cavity is difficult to construct, a high frequency bunching system is proposed. The bunching system located after 100m from a production target...

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