نتایج جستجو برای: neutron moderation

تعداد نتایج: 51301  

2017

Resum Moderation in virtual communities should not be a private privilege. This paper proposes a method for participants in a social network to decide their own rules for accepting (or not) contents. With the norm argument map, participants are able to argue about norms and voice their opinions about other people?s arguments. This structure, equipped with a method to fuse all the data introduce...

2017

Resum Moderation in virtual communities should not be a private privilege. This paper proposes a method for participants in a social network to decide their own rules for accepting (or not) contents. With the norm argument map, participants are able to argue about norms and voice their opinions about other people?s arguments. This structure, equipped with a method to fuse all the data introduce...

2017

Resum Moderation in virtual communities should not be a private privilege. This paper proposes a method for participants in a social network to decide their own rules for accepting (or not) contents. With the norm argument map, participants are able to argue about norms and voice their opinions about other people?s arguments. This structure, equipped with a method to fuse all the data introduce...

Journal: :Epj Web of Conferences 2023

The NEAR Station is a new experimental area developed at the n_TOF Facility CERN. activation station of underwent characterization beam following installation Spallation Target. commissioning neutron comprises set simulations made with FLUKA code and verification. determination spectrum was using techniques three separate set-ups. Two set-ups were based on Multi-foil Activation technique (MAM-1...

2008
Yuqing Ren Robert E. Kraut

This article describes and validates an agent-based model that integrates social psychological theories on collective effort, group identity, and interpersonal bonds to understand trade-offs in designing online communities. The model is then used to examine when different types of moderation in online communities will be valuable: no moderation in which all members are exposed to all messages, ...

2002
Y. Kim R. N. Hill H. Khalil

To devise an optimal strategy for transmuting long-lived fission products (LLFPs) in fast systems, various design studies have been performed for a sodium-cooled Accelerator Transmutation of Waste system. For Tc and I target assemblies loaded with metallic Tc and CaI2 targets and ZrH2 moderator, assembly design studies were first performed, focused on the optimisation of neutron spectrum and th...

2018
Johnson Ching-Hong Li

In behavioral sciences, researchers often examine whether any linear moderations exist in their studies. That is, they evaluate the extent (i.e., magnitude, direction) to which a linear effect of a predictor X (e.g., cognitive ability) on a criterion Y (e.g., performance) may differ across the levels of a moderator M (e.g., gender). In that case, researchers often run a liner regression analysi...

2008
R. J. Donahue J. Kwan T. L. Phillips L. L. Reginato B. A. Ludewigt W. T. Chu

An accelerator-based BNCT facility is under development at the Lawrence Berkeley National Laboratory. Neutrons will be produced via the 7Li(p,n) reaction at proton energies of about 2.5 MeV with subsequent moderation and filtering for shaping epithermal neutron beams for BNCT. Moderator, filter, and shielding assemblies have been modeled using MCNP. Head-phantom dose distributions have been cal...

Journal: :iranian journal of radiation research 0
j.g. fantidis department of electrical engineering, kavala institute of technology, greece e. saitioti department of electrical engineering, kavala institute of technology, greece d.v. bandekas department of electrical engineering, kavala institute of technology, greece n. vordos department of electrical engineering, kavala institute of technology, greece

background: boron neutron capture therapy (bnct) is a very promising treatment for patients suffering gliobastoma multiforme, an aggressive type of brain cancer, where conventional radiation therapies fail. thermal neutrons are suitable for the direct treatment of cancers which are located at near-tissue-surface deep-seated tumors need harder, epithermal neutron energy spectra. materials and me...

2017
C. Paul Newhouse Pina Tarricone

Assessing the performance of a student involves some form of judgement, and where more than one assessor is involved this usually requires some form of moderation to ensure consistent and fair results. Often this involves meetings or communication between assessors, which is referred to as social moderation. This paper reports on a study that investigated the use of online technologies to suppo...

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