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2. (Chemistry) a compound additional to slow down the rate of a chemical alter, such as one included to cement to hold off its setting
Our polymer real zero-get 50 %-wave plates and quarter-wave plates use a birefringent polymer film cemented concerning two large-precision optical windows. These Possess a higher performance, broadband antireflection coatings for a better angular acceptance and fewer sensitivity to wavelength change.
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HR®-6L Cement Retarder A forty% Lively Remedy of a chemically modified lignosulfonate, may be used to retard the location of all classes of cement and Pozmix® cement, can be utilized at temperatures up to 210°F (ninety nine°C), being a secondary effect HR-6L retarder acts being a slight dispersant.
Dimensioning The piston retarders utilized are dimensioned on The idea of each keep track of's height and dimensioning is confirmed during humping simulation.
Also useful for pouring consolidation castings without the development of cold joints, also Employed in grouting oil wells.
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Achromatic waveplates function on the exact same essential theory. As an example, Achromatic Waveplates are produced from crystal quartz and magnesium fluoride to obtain almost regular retardation click here across a wide spectral band.
This tends to make me to Assume how babies appear out retarded and just what the leads to of retardation in babies are. Could it be not inside our hands?