نتایج جستجو برای: directly suspended drop microextraction dsdme
تعداد نتایج: 346028 فیلتر نتایج به سال:
When a drop impacts a thin fiber, a critical impact speed can be defined, below which the drop is entirely captured by the fiber, and above which the drop pinches-off and fractures. We discuss here the capture dynamics of both inviscid and viscous drops on flexible fibers free to deform following impact. We characterize the impact-induced elongation of the drop thread for both high and low visc...
Rare earth element (REE) concentrations and neodymium isotopic composition (ɛNd) are tracers for ocean circulation and biogeochemistry. Although models suggest that REE release from lithogenic sediment in river discharge may dominate all other REE inputs to the oceans, the occurrence, mechanisms and magnitude of such a source are still debated. Here we present the first simultaneous observation...
A new application of the axisymmetric drop shape analysis (ADSA) has been developed, using the pendant-drop film balance technology for penetration studies of insoluble monolayers at the liquid–liquid interface. A monolayer is spread on the surface of a drop of a buffer solution suspended from a capillary, which is the outer one of an arrangement of two coaxial capillaries connected to the two ...
Freely suspended microchannels with diameters ranging from 4 to 100 lm were fabricated by utilizing directly written PMMA fibers as sacrificial structures. These precisely oriented fibers served as scaffolds around which thin cylinders of glass were deposited (via sputtering), followed by a conformal coating of Parylene to augment the mechanical integrity of the structures. After coating, the P...
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