Unimolecular fragmentation and radiative cooling of isolated PAH ions: A quantitative study
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We demonstrate the effect of rapid thermal annealing on heavily Si-doped AlN/GaN quantum wells. After 1000 degrees C annealing during 5, 10, and 20 min, the dominant effect was interdiffusion of Si rather than intermixing between the Al and Ga atoms. Both ...
The analysis of cooling of a binary HTS 20 kA current lead (CL) operating between 4.5 and 300 K has been carried out. Assuming that the HTS module is conduction-cooled, two cooling options for the copper heat exchanger (HEX) part of the CL have been consid ...
Structural fire endurance experiments were conducted on full-scale cellular glass fiber reinforced (GFRP) columns under axial compression and subjected to ISO 834 fire exposure from one side. Unprotected columns could resist fire for more than 30 min, whic ...
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Structural fire endurance experiments were conducted on full-scale cellular glass fiber-reinforced (GFRP) columns under axial compression and subjected to ISO834 fire exposure from one side. Unprotected columns can resist fire for more than 30 min, which i ...
3D stacked circuits reduce communication delay in multicore system-on-chips (SoCs) and enable heterogeneous integration of cores, memories, sensors, and RF devices. However, vertical integration of layers exacerbates the reliability and thermal problems, a ...
Gamma titanium aluminide (γ-TiAl) based alloys are very interesting materials for structural applications at elevated temperatures owing to the combination of high specific strength, good oxidation, creep and fatigue resistance. However, their relatively p ...
In jewelry manufacturing, joining dissimilar materials is usually achieved by brazing or soldering, in which the materials comprising the joint are heated to a suitable temperature in the presence of a filler metal having a liquidus below the solidus of th ...
A phenomenological modelling approach has been developed to describe the massive transformation and the formation of lamellar microstructures during cooling in binary gamma titanium aluminides. The modelling approach is based on a combination of nucleation ...
Current practice in building simulation is to use historic climate data which has been measured in rural locations. However, numerous measurement programs have demonstrated that the urbanrural temperature difference can be of several degrees Kelvin, with c ...
A review focuses on expts. describing the hydrodynamic behavior and the heat transfer properties of supercrit. CO2 and the application of supercrit. fluids in refrigeration and cooling. ...