What color is this?

Article Abstract:

There are evidences to support that people see hue differences first, followed by chroma differences and lightness/darkness differences. Human tolerance for an acceptable color match is a three-dimensional mixture of hue, lightness/darkness and chroma. CIELAB, the first internationally acceptable color tolerancing method, was developed by the Commission International de l'Eclairage. CIELAB was later enhanced and led to the development of the CIELCH. CMC, on the other, is a new color tolerancing method which offers an improved mixture of preceived and measured color differences.

Methods, Measurement, Colorimetry, Color vision

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NDT market turning: market, technology, and application challenges shape the NDT industry for the future

Article Abstract:

Nondestructive testing (NDT) markets have suffered as a result of the declining US economy and smaller military budgets. The largest NDT market decreases have been felt by computer assisted tomography systems and ultrasonic scanning systems. Many niche markets such as those for low-cost portable equipment have not been as severely affected. Classical X-ray technology faces challenges from a number of directions. Real-time radiography replaces film with a variety of imaging systems and X-ray tubes are being replaced by radioactive isotopes for certain applications.

Measuring & controlling devices, not elsewhere classified, Marketing, Non-destructive testing, Nondestructive testing

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Lighting speed calibration

Article Abstract:

A growing number of manufacturers are using automated laser interferometry equipment for calibration purposes. In the past, businesses were skeptical about the benefits of using interferometric testing, mainly because of the costs involved and the amount of time this approach required. However, as technological advances were made in automated interferometric testing, manufacturers saw the many benefits these equipment offer. These include accurate and quick calibration and the ability to create tools which fit parameters specified by clients.

Instruments to measure electricity, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Optical Instrument and Lens Manufacturing, Optical instruments and lenses, Calibrators & Standards, Interferometers, Manufacturing industry, Manufacturing industries, Innovations, Equipment and supplies, Calibration, Laser interferometers

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