نتایج جستجو برای: fixed film biological processes
تعداد نتایج: 1207571 فیلتر نتایج به سال:
The mean drift velocity induced by longitudinal dilational waves in an elastic film is studied theoretically on the basis of a Lagrangian description of motion. The film is horizontal and situated at the interface between two viscous fluids. For time-damped dilational waves we let the film ~i! move freely with the mean fluid velocity at the interface, and ~ii! be kept fixed, i.e., having no mea...
Photoembossing is a cost-effective technique for the production of complex surface relief structures in a photopolymer film, achieved via contact-mask exposure to UVlight. Here, photoembossing is explored using interference holography with a CWlaser and a nanosecond pulsed laser. It is shown that identical surface relief structures are produced if the photopolymer film is kept in a fixed positi...
Microorganisms, including bacteria, fungi, protozoa, and microalgae, are composed predominantly of water which prohibits direct observation in a traditional scanning electron microscope (SEM). Preparation for SEM requires that microorganisms be fixed, frozen or dehydrated, and coated with a conductive film before observation in a high vacuum environment. Sample preparation may mechanically dist...
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