Results 61 to 70 of about 446,431 (232)

An Airborne Gamma Ray Survey of Parts of SW Scotland in February 1993. Final Report [PDF]

open access: yes, 1993
An airborne gamma ray survey was conducted for the Scottish Office Environment Department of coastal and inland parts of SW Scotland to define existing background levels, to locate features worthy of further attention, and to demonstrate the emergency ...
Allyson, J.D.   +5 more
core  

Measurement of leakage neutron flux from reactor tank surface of AHWR-critical facility

open access: yesPhysics Open
AHWR - Critical Facility (AHWR - CF) is a “zero power” reactor designed to carry out various reactor physics experiments for validation of AHWR physics design. AHWR-CF is a vertical tank type reactor.
Kapil Deo   +4 more
doaj   +1 more source

Development of the laboratory anaerobic bioreactor for wet and dry digestion processes [PDF]

open access: yes, 2016
This article presents partial results of the laboratory development of an anaerobic bioreactor designed for the physical modelling of (semi)continuous dry or wet anaerobic digestion processes.
Chamrádová, Kateřina   +2 more
core  

A Three-Dimensional DSMC Simulation of Single-Stage Turbomolecular Pump Adopting Accurate Intermolecular Collisions Models

open access: yesJournal of Fluid Science and Technology, 2006
The single-stage TMP is investigated by the direct simulation Monte Carlo (DSMC) method with a three dimensional analysis in a rotating reference frame.
Sheng WANG, Hisashi NINOKATA
doaj   +1 more source

Pyrolytic graphite as a selective neutron filter [PDF]

open access: yesЯдерна фізика та енергетика, 2006
The transmission of neutrons through pyrolytic graphite (PG) crystals, set at different angles with respect to incident beam, were calculated using an additive formula. A computer program HOPG was developed to provide the required calculation.
M. Adib, N. Habib, B. Fathalla
doaj  

Radiogenic Lead with Dominant Content of 208Pb: New Coolant and Neutron Moderator for Innovative Nuclear Facilities

open access: yesScience and Technology of Nuclear Installations, 2011
As a rule materials of small atomic weight (light and heavy water, graphite, and so on) are used as neutron moderators and reflectors. A new very heavy atomic weight moderator is proposed—radiogenic lead consisting mainly of isotope 208Pb.
A. N. Shmelev   +4 more
doaj   +1 more source

Calculation of Control Rods Reactivity Worth of RSG-GAS First Core Using Deterministic and Monte Carlo Methods

open access: yesAtom Indonesia, 2019
The control rod worth is a key parameter for the research reactor operation and utilization. Control rod worth computation is a challenge for the fully-deterministic and Monte Carlo calculations, including the few-group cross section generation, and the ...
T. Surbakti   +4 more
doaj   +1 more source

Sonochemistry approach for a new process of biodiesel production from Jatropha Curcas Oil [PDF]

open access: yes, 2011
This thesis presents the sonochemistry approach to reduce required reaction time to convert the Jatropha Curcas oil into biodiesel using an the ultrasound clamp on tubular reactor. The effect of diameter clamp on tubular reactor to remove free fatty acid
Praptijanto, Achmad
core  

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