Considering the safety issues of traditional UO 2 -Zr fuel, a variety accident-tolerant fuel (ATF) candidates have been proposed in recent years. Among several ATFs, U 3 Si , and UN are two promising for materials owing to their high thermal conductivity uranium density. The FeCrAl alloy SiC/SiC composite material cladding oxidation resistance strength. In order quantitatively evaluate performa...

The nuclear fuel cycle is the series of stages that nuclear fuel materials go through in a cradle to grave framework. The Once Through Cycle (OTC) is the current fuel cycle implemented in the United States; in which an appropriate form of the fuel is irradiated through a nuclear reactor only once before it is disposed of as waste. The discharged fuel contains materials that can be suitable for ...

ECM protein enrichment and immunoblotting 100mg of frozen samples were homogenized using a polytron (Kinematica, Bohemia, NY) in 250μL of buffer C (HEPES pH7.9, MgCl2, KCl, EDTA, Sucrose, Glycerol, Sodium OrthoVanadate) of the CNMCS protein extraction kit. Lysates were then spun for 20 min. at 15,000 rpm at 4°C, the supernatant was saved (intermediate fraction 1, enriched for cytosolic proteins...

Abstract Iodine release modelling of nuclear fuel pellets has major uncertainties that restrict applications in current performance codes. The origin from both the chemical behaviour iodine pellet and different species. structure evolves due to neutron fission product irradiation, thermo-mechanical loads interactions. This causes extra challenges for modelling. After sufficient amount a new typ...

Bamboo is a potential major bio-energy resource. Tests were carried out to compare and evaluate the property of bamboo and rice straw pellets, rice straw being the other main source of biomass solid fuel in China. All physical properties of untreated bamboo pellets (UBP), untreated rice straw pellets (URP), carbonized bamboo pellets (CBP), and carbonized rice straw pellets (CRP) met the require...

As nuclear power expands, technical, economic, political, and environmental analyses of nuclear fuel cycles by simulators increase in importance. To date, however, current tools are often fleet-based rather than discrete and restrictively licensed rather than open source. Each of these choices presents a challenge to modeling fidelity, generality, efficiency, robustness, and scientific transpar...

The buoyant densities of the nuclear and mitochondrial DNA from the thoracic muscles of Schistocerca gregaria were found to be 1 702 and 1.689 g/cm(3), respectively, corresponding to guanine plus cytosine (G + C) content of 42.2 and 30% A preliminary treatment of the mitochondrial pellet with DNase (25 degrees C, 20 min) is necessary to eliminate the contaminating nuclear DNA. The mitochondrial...

2. Nuclear fuel consists of fuel pins that are stacks of uranium oxide or mixed uranium plutonium oxide (MOX) cylindrical ceramic pellets, with diameters of 8–15 mm, that are encapsulated in metallic tubes. The fuel pins are grouped together in fuel assemblies. Each fuel assembly can be handled as a single entity, thus simplifying the fuelling and defuelling of reactors and the subsequent handl...