نتایج جستجو برای: crystal size

تعداد نتایج: 706717  

Journal: :Geochemistry, Geophysics, Geosystems 2015

Journal: :Arabian Journal of Chemistry 2021

Paracetamol crystals often exhibit poor compressibility properties, which results in capping issues. The Particle Size Distribution (PSD) of paracetamol was engineered to improve the crystals. This accomplished by growing presence additives. active pharmaceutical ingredient Phenacetin and impurity 4-chloroacetanalide were used modify crystal properties paracetamol. In solution, phenacetin or mo...

2010
Michael A. Mastro Byung-Jae Kim Younghun Jung Jennifer K. Hite Charles R. Eddy Jihyun Kim

Gallium nitride light emitting diodes were deposited on a sapphire substrate that was pre-patterned with an ordered two-dimensional structure. The size and arrangement of the substrate surface pattern was designed to increase the diffraction and extraction of light from the device as well as define the grain size and thus dislocation density of the GaN crystal. A close-packing of self-assembled...

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