darkfield

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• darkfield microscope — noun An ultramicroscope • • • Main Entry: ↑dark …   Useful english dictionary

• darkfield condenser — a condenser with a central stop, permitting production of a hollow cone of light having its apex in the plane of the specimen …   Medical dictionary

• darkfield illumination — dark ground illumination the throwing of peripheral rays of light upon a microscopical object from the side, the center rays being blocked out: the object appears bright upon a dark background. See under microscope, and see ultramicroscope …   Medical dictionary

• darkfield microscope — a microscope that has a central stop in the condenser, so that light rays are diverted to the side and the object is illuminated from the side, so that details appear light against a dark background. See also ultramicroscope …   Medical dictionary

• Dark field microscopy — (dark ground microscopy) describes microscopy methods, in both light and electron microscopy, which exclude the unscattered beam from the image. As a result, the field around the specimen (i.e. where there is no specimen to scatter the beam) is… …   Wikipedia

• Dispersion staining — Contents 1 Dispersion Staining 1.1 Becke Line Dispersion Staining 1.2 Oblique Illumination Dispersion Staining 1.3 Darkfield Illumination Dispersion Staining …   Wikipedia

• Diamond clarity — Part of a series on Diamonds Material Material properties Crystallographic defects Formatio …   Wikipedia

• Microscopy — is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye). There are three well known branches of microscopy, optical,… …   Wikipedia

• Wavelet — A wavelet is a mathematical function used to divide a given function or continuous time signal into different frequency components and study each component with a resolution that matches its scale. A wavelet transform is the representation of a… …   Wikipedia

• ultramicroscope — A microscope that utilizes refracted light for visualizing objects not visible with the ordinary microscope when direct light is used. * * * ul·tra·mi·cro·scope .əl trə mī krə .skōp n an apparatus for making visible by scattered light particles… …   Medical dictionary

• Bee sting — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICD9|989.5 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = A bee sting strictly means a sting from a bee (honey bee, bumblebee, sweat bee etc). In the… …   Wikipedia