Términos

The process of electronic conversion of handwritten or printed characters into machine-encoded text by means of an optical scanner, special software that identifies text images, and an output interface which reproduces them in electronic form.

Tomographic technique using lasers for imaging of subsurface tissue structure with sub-micrometer axial and lateral resolution.

Emission spectroscopy technique used to determine elemental content of materials. The material is heated to a high temperature causing the electrons in the sample to emit light which is converted into a spectral pattern. In the broader sense, optical emission spectroscopy includes ICP optical emission spectrometry, which uses an inductively coupled plasma as the excitation source.

Refers to the oldest form of microscopy, which employs visible light to view objects that are too small to be seen with the naked, unaided eye.

Nondestructive analytic technique used to monitor oxygen consumption. It is based on the dynamic quenching of the fluorescence or phosphoresence of luminescent dyes by molecular oxygen.

Aquellos que fabrican o venden anteojos y lentes de contacto de acuerdo con las prescripciones de los especialistasen visión tales como optometristas y oftalmólogos.

Dispositivo de sonido en el cual se utiliza una célula fotoeléctrica para escanear un texto, entonces produce señales eléctricas que se convierten en sonido audible. El instrumento hoy es generalmente utilizado para permitir a los ciegos a leer, aunque el dispositivo tuvo sus orígenes con los inventos del artista austríaco y dadaísta Raoul Hausmann en la década de 1920, que estaba preocupado por la unificación de los sentidos, y el cambio de la luz en sonido. Fue patentado en 1935 como un "dispositivo de cálculo".

Aquellos capacitados en la práctoca de optometría. Para médicos especializados en la rama de medicina llamada oftalmología, use "oftalmólogo".

Labor fina de aguja que usa hilos de oro y plata sobre bases de terciopelo o lino, para uso secular o eclesiástico, colgaduras, entre otros textiles de lujo.

Technique in ancient Roman construction, using hydraulic-setting brick-faced concrete; most used during the late Roman Republic and the Roman Imperial period.

An ancient Roman half-timber construction technique involving either wattle work or timber with a concrete or rubble filler, sometimes plastered over. This style of construction has been found at sites such as Pompeii and Herculaneum.

Técnica romana de revestimiento en que pequeños bloques o piedras de forma irregular son aplicadas sobre un muro de concreto.

Late Roman and Byzantine pierced metalwork technique performed upon a soft metal such as gold using a drill and chisel to produce arabesques and other lacey ornamental designs.

Ancient Roman construction technique in which fired clay bricks or tiles were laid upon a core of concrete: opus caementicium.

Método romano de los revestimientos de la albañilería en el cual las técnicas del reticulatum y opus testaceum se combinan para formar un patrón superficial híbrido.

A mosaic paving technique in which stone tesserae of different colors, all of the same size and rectangular shape, are placed to create the visual impression of a basket weave pattern.

Ancient Roman ashlar masonry technique adopted from Etruscan stone construction; squared, cut blocks laid in regular courses.

Técnica romana de revestimiento en que piedras piramidales con lados cuadrados son dispuestas en un patrón regular como una malla sobre un muro de concreto.

Facing technique producing a mixture of square and rectangular stones or bricks. The term is also sometimes used for any of several other patterns of laying flat masonry in what was considered the 'Roman manner.'