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Spectral zone selection methodology for pebble bed reactors

methodology is developed for determining boundaries of spectral zones for pebble bed reactors. A spectral zone is defined as a region made up of a number of nodes whose characteristics are collectively similar and that are assigned the same few-group diffusion constants.

出版机构:Elsevier Science

刊物名称:Annals of Nuclear Energy

出版时间:2011

ISSN:0306-4549

数据源:报刊文摘

Temperature profiling during the extinction phase of laser keyhole welding using the Boubaker Polynomials Expansion Scheme (BPES)

The amount of heat energy delivered by the laser to the keyhole is analyzed using the Boubaker polynomial expansion scheme BPES.

出版机构:Elsevier Science

刊物名称:Optics & Laser Technology

出版时间:2011

ISSN:0030-3992

数据源:报刊文摘

An improved radial temperature model of a high-powered He–SrBr2 laser

When designing and modeling metal vapor and metal halide vapor lasers, the radial distribution of the gas temperature is found by solving the steady-state heat conduction equation for the internal tube at mixed boundary conditions.

出版机构:Elsevier Science

刊物名称:Optics & Laser Technology

出版时间:2011

ISSN:0030-3992

数据源:报刊文摘

Analysis on dependence of phase matching angle on temperature in KDP crystal

The dependence of the phase matching (PM) angle on temperature in type-I second harmonic generation (SHG) and type-II third harmonic generation (THG) of KDP is experimentally investigated. The experimental results show that as the crystal temperatures vary by 1?

出版机构:Elsevier Science

刊物名称:Optics & Laser Technology

出版时间:2011

ISSN:0030-3992

数据源:报刊文摘

Photophysics and dynamics of a β-carboline analogue in room temperature ionic liquids

Room temperature ionic liquid (RTIL) 1-butyl-3-methylimidazolium octyl sulfate ([BMIM][C8SO4]) aggregates in water to form micelles and behaves differently from the non micelle-forming RTILs like [BMIM][MeSO4] and [EMIM][MeSO4]..

出版机构:Elsevier Science

刊物名称:Journal of Colloid And Interface Science

出版时间:2011

ISSN:0021-9797

数据源:报刊文摘

Service life estimation of liquid silicone rubber seals in polymer electrolyte membrane fuel cell environment

Polymer electrolyte membrane fuel cell (PEMFC) is a promising power source for many applications such as automobiles. Sealing around the perimeter of the cell is required to prevent the gases/liquids inside the cell from leaking and polymers are usually used for the seal or gasket materials.

出版机构:Elsevier Science

刊物名称:Journal of Power Sources

出版时间:2011

ISSN:0378-7753

数据源:报刊文摘

Prediction of spontaneous heating susceptibility of Indian coals using fuzzy logic and artificial neural network models

� Prediction of spontaneous heating susceptibility of coal seams using fuzzy logic and ANN models could be a viable option than experimentation in the field. � If a sufficiently large database is available, it is easier to predict the spontaneous heating susceptibility of coal seams accurately.

出版机构:Elsevier Science

刊物名称:Expert Systems with Applications

出版时间:2011

ISSN:0957-4174

数据源:报刊文摘

Structural transformation and its effects on the electrochemical performances of a layered double hydroxide

When a layered double hydroxide (LDH), [Ni4Al(OH)10]NO3 is aged at 60?C in a concentrated KOH solution (around 7molL?1), it transforms into ?-Ni(OH)2; when it is cycled electrochemically, it can also transform into ?-Ni(OH)2 but finish much sooner.

出版机构:Elsevier Science

刊物名称:Journal of Power Sources

出版时间:2011

ISSN:0378-7753

数据源:报刊文摘

Thermal and gas flow characterization of a fluxless Si solder bonding oven

In this paper the technology of the ?Linn? type Si fluxless solder bonding oven and the thermal and gas flow characterization of the oven are discussed. This oven is used for fixing silicon chips on metal substrates with high temperature solder bonding process.

出版机构:Elsevier Science

刊物名称:Experimental Thermal and Fluid Science

出版时间:2011

ISSN:0894-1777

数据源:报刊文摘

Enhanced performance of dye-sensitized solar cell with thermally-treated TiN in its TiO2 film prepared at low temperature

Various weight percentages of titanium nitride (TiN) and thermally-treated titanium nitride (tt-TiN) are incorporated into the binder-free TiO2 films, prepared at low temperature (LT, 120?C), and the corresponding dye-sensitized solar cells (DSSCs) are made.

出版机构:Elsevier Science

刊物名称:Journal of Power Sources

出版时间:2011

ISSN:0378-7753

数据源:报刊文摘