نتایج جستجو برای: micrometric particles

تعداد نتایج: 156828  

Journal: :Investigative Opthalmology & Visual Science 2017

2017
Guy-Daniel Dutel Patrick Langlois David Tingaud Dominique Vrel Guy Dirras

Data regarding bulk polycrystalline nickel samples obtained by powder metallurgy using Spark Plasma Sintering (SPS) are presented, with a special emphasis on the influence of a cold isostatic pre-compaction on the resulting morphologies and subsequent mechanical properties. Three types of initial powders are used, nanometric powders, micrometric powders and a mixture of the formers. For each ty...

2009
M. Oujja S. Pérez E. Fadeeva J. Koch B. N. Chichkov M. Castillejo

A sequence of single femtosecond pulses is used to create a pattern of laser affected spots at increasing depths below the surface of transparent biopolymer samples. Materials with different water contents and mechanical strengths, gelatine, chitosan, synthetic polyvinyl pyrrolidone, and biopolymer-polymer blends, are irradiated near the edge of the sample with an amplified Titanium:Sapphire la...

Journal: :Physical review letters 2009
Jonathan B Boreyko Chuan-Hua Chen

In conventional dropwise condensation on a hydrophobic surface, the condensate drops must be removed by external forces for continuous operation. This Letter reports continuous dropwise condensation spontaneously occurring on a superhydrophobic surface without any external forces. The spontaneous drop removal results from the surface energy released upon drop coalescence, which leads to a surpr...

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