نتایج جستجو برای: neutron moderation
تعداد نتایج: 51301 فیلتر نتایج به سال:
Due to importance of combination therapies in cancer treatment, this study was performed to find the effects of hyperthermia and neutron irradiation and heir combination on the human lymphocytes. Blood samples were treated separately with 41.5 °C for 30 and 60 minutes, 43 °C for 15 and 30 minutes, as well as 10 cGy neutron irradiation. They also treated with hyperthermia followed by irradiation...
A common approach towards the role of the moderator in Internet discussions is to see him as a filter. In this article I want to show that the moderator in government-initiated Internet discussions about public issues can be seen as a democratic intermediary, and that this role has the potential to enhance the quality of those discussions as forms of deliberative democracy. I develop a conceptu...
Customer satisfaction is generally acknowledged as a key determinant of the value a customer contributes to a firm. Following the widespread recognition that the relationship is nonlinear and possibly even asymmetric, the authors develop a framework for understanding and predicting functional differences across consumers and situations. The resultant conceptualization proposes two general categ...
Moderators of health behavior initiation and maintenance in a randomized telephone counseling trial.
OBJECTIVE This study compares moderators of initiation and maintenance of health behavior changes. METHODS Data come from a cluster-randomized, 12-month telephone counseling intervention for physical activity and diet, targeting type 2 diabetes or hypertension patients (n=434, Australia,2005-2007). Demographic and health-related characteristics, theoretical constructs, and baseline behavioral...
The neutron collision cross-section is important in neutron use for a specific job, such as neutron therapy or even in nuclear reactors. In calculating computational codes such as MCNP, only information from the neutron-to-mass collision information contained in the computational code library is used, in the case of nanoscale particles in contrast to the mass of materials and / or particulate m...
Neutron diffraction analysis was employed to measure residual stresses near welds in used anhydrous ammonia nurse tanks. Tensile residual stresses contribute to stress corrosion cracking of nurse tanks, which can cause tanks to release toxic ammonia vapor. The analysis showed that tensile residual stresses were present in the tanks measured, and the magnitudes of these stresses approached the y...
Monte Carlo calculation of shielding parameters for fast neutrons in newly developed heavy concretes
Introduction: The role of radiotherapy as a part of cancer management increases every year around the world. Thus, Radiation protection in the design of radiotherapy rooms are of great importance. Materials and Methods: In present study using Monte Carlo method, MCNPX code, fourteen types of developed high density concretes with densities ranging from 2.45 ...
Studies on cyberbullying are replete with questions about whether certain risk or protective factors are likely to predict cyberbullying outcomes such as cybervictimization. Such questions can often be reframed in terms of moderation effects, or hypotheses about how the effect of a predictor variable on an outcome variable depends on the value of a moderator variable. Demonstrating how question...
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