retard

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retard

[ri′tärd]
(civil engineering)
A permeable bank-protection structure, situated at and parallel to the toe of a slope and projecting into a stream channel, designed to check stream velocity and induce silting or accretion.
References in periodicals archive ?
Examples of organic acid retarders include phthalic anhydride and benzoic and salicyclic acids.
Valeo would later acquire Labinal's Filtrauto filters and Telma driveline retarders businesses.
Retarders based on salicylic acid or phthalic anhydride were used but in general, they were not particularly effective at increasing the scorch delay of sulfenamides.
the largest parachute manufacturer in the world, is a designer and manufacturer of a range of parachutes, retarders, camouflage, safety and survival systems, which are used in more than 100 countries.
Anti-lock braking systems, air disc brakes and Telma retarders are all members of Rockwell's Stopping System(TM).
Tenders are invited for Purchase of works on the overhaul of mountain retarders NK-114-02
Paper vapor retarders are not too effective and are seldom installed correctly.
The warranty includes non-prorated assurance on wheel motors, generators, power inverters and brake retarders.
Very simple photonic filtering can be achieved by optical retarders, which modify the optical spectrum of semiconductor LED's and MMLD.
Lignin is a key raw material in conventional and mid-range water reducers, retarders, and other concrete admixtures.
Among the topics are propagation equations, reflection and transmission, the deposition of basic nanostructures, continuum methods, anisotropic scatter, fluid transport, metal films, linear polarizers, phase retarders, and coating architectures.
The LCVR Wildcard is a liquid crystal controller, compatible with all Liquid Crystal Variable Retarders (LCVRs) and appropriate for driving most other nematic liquid crystal devices.