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  1. 2 ott 2023 · Surface-enhanced Raman scattering (SERS) is an ultrasensitive spectroscopic technique that can identify materials and chemicals based on their inelastic light-scattering properties. In general, SERS relies on sub-10 nm nanogaps to amplify the Raman signals and achieve ultralow-concentration identification of analytes. However, large-sized analytes, such as proteins and viruses, usually cannot ...

  2. Filmed in 1999, Universal Groove explores 90s rave culture through eight diverse characters seeking escape and self-discovery amidst drugs and dance, offering a nostalgic journey into the underground party scene of the era.

  3. The purpose of this paper is to study the effects of operating conditions including process coefficient, lubricant viscosity and cavitation pressure on the cavitation of spiral groove liquid-film seal (SG-LFS).,A mathematical model of SG-LFS is established based on the JFO boundary and a relative density is introduced.

  4. 1 dic 2007 · Universal Groove is a step into the underground party scene, through the eyes of a once party strong addict. A wonderful culmination of sights, sounds and narrative are used to tell the story of Jim, a director struggling to understand the human connections that exist in a crowd of strangers… Over the course of one night Jim meets and connects with people in different walks of life, all ...

  5. 1 mar 2022 · Fig. 5 shows a moving grain boundary attached to a groove. Here the film thickness is h, θ is the angle between the grain boundary and surface normal, r is the radius of curvature of the curved grain boundary and d g is the groove depth. Due to the formation of groove, the effective film thickness at groove root h e f f = h − 2 d g.

  6. Effects of operating conditions on cavitation induction of spiral groove liquid-film seal (SG-LFS) Industrial Lubrication and Tribology 10.1108/ilt-03-2020-0083