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With the progress of modern industry, the miniaturization of devices has become an ongoing demand in the advanced manufacturing technology. And one of the core issues of electronic equipment integration is to improve the dielectric permittivity of capacitor materials. Here, the functional dielectrics BaTiO3−xBaSnO3(x=0∼0.2) (abbreviated as BT-xBS) were prepared by a conventional solid state reaction...
This paper integrated the technology of thermoelectric heat pump and phase-change thermal storage, developed an active phase-change thermal storage/release device, which can retrieve and utilize low-quality energy(cryogenic energy), and made experimental study on it. The experimental results show that: the device has obvious phase-change process and striking thermal storage effect. When storing heat,...
Thermomechanical fatigue (TMF) resulted from the mismatch in the coefficient of thermal expansion (CTE) between solder and substrate would degrade the mechanical properties of solder joints during service. In this research, nano-structured polyhedral oligomeric silsesquioxane (POSS) reinforcing particles were incorporated into a promising lead-free solder, eutectic Sn-3.5Ag solder, by mechanically...
Experimental and modeling studies concerning the etching of InP by chlorine plasma have been achieved. Chlorine plasma discharge has been analyzed using Langmuir probe. The latter allows to measure the electron density and temperature as a function of ICP reactor parameters such as RF power, chlorine flow rate and pressure. These two parameters play a crucial role in the modeling of plasma etch process...
The present research dealt with the toxicity of GCSC-BtA (Germany–China Scientific Cooperation-Bacillus thuringiensis-Abamectin), a new type biocide developed by conjugating a toxin from Bacillus thuringiensis (B.t.) with Abamectin from Streptomyces avermitilis, on arthropod pests under different temperature conditions. The results showed that GCSC-BtA possessed higher toxicity than B.t. crystal,...
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