نتایج جستجو برای: double coating
تعداد نتایج: 277176 فیلتر نتایج به سال:
The oxygen transmission rate of a PET coated film showed 37-fold decrease using dispersion LDH nanosheets in polyvinyl alcohol that was prior aged for 8 weeks compared to the with equivalent freshly prepared LDH/PVA dispersion.
Gadolinium zirconate (GZ) is an attractive material for thermal barrier coatings (TBCs). However, a single layer GZ coating has poor cycling life compared to Yttria Stabilized Zirconia (YSZ). In this study, Solution Precursor High Velocity Oxy-Fuel (SP-HVOF) spray was used produce double GZ/YSZ TBC and the performance with YSZ TBC. The temperature behaviour of solution precursor studied, splat ...
The main objective of this study was to prepare sustained release metformin hydrochloride microcapsules by the Wurster fluidized bed and to obtain the optimized coating process and formulation. Fine microcapsules without agglomeration were obtained in a continuous coating process with the atomization air pressure of 0.2Mpa and an appropriate coating speed temperature. With other design variable...
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