selective replacement

selective replacement

[si′lek·tiv ri′plās·mənt]
(geology)
The replacement of one mineral by another, preferentially within an altered rock mass.
References in periodicals archive ?
The primary work elements include: selective replacement of deteriorating deck panels; partial or full depth concrete spall repairs; joint header, abutment headblock and joint riser bar replacement or repairs; armored joint modification; joint seal installation or replacement; parapet, safety walk, and curb surface repairs with provisions for temporary electrical lighting service; parapet and deck replacement including new electrical conduits and service; provisions for restoration of traffic loop detectors; and removal and replacement of existing asphalt wearing surface with a new membrane-asphalt system or with a high density, impermeable, cementitious overlay.
The contract is for expansion and selective replacement of existing optical transport network based on CWDM and OTN in the entire coverage area of CiCiSalzburg AG.
products, a design platform based in biomimicry that allows for selective replacement thanks to varying patterning and mergeable dye lots.
The newer techniques also allow selective replacement of the diseased portions of the cornea rather than the entire cornea.
DMEK allows for selective replacement of diseased tissue, leaving the healthy portions of the cornea intact.
Likewise, a service-grade AR-15 can readily be brought up to minute-of-angle performance by selective replacement of key modular elements with match-grade parts.
Through modifications, technology upgrades, and selective replacement, it intends to keep this fleet throughout the foreseeable future, perhaps 50 years.
The economically most attractive and technically most useful deoxygenation is the selective replacement of all secondary hydroxyl functions with hydrogen yielding the corresponding [alpha],[omega]-diols HOC[H.
It has, through selective replacement, helped to keep voids and abandonment to a minimum and prevented the spread of low demand.
Also included is re-pointing, cleaning, and repair of all limestone and brick masonry repair and selective replacement of gutters, flashing, slate, and copper on the distinctive mansard, dormers, and roof.
The modular design of the machines allows the selective replacement or worn components and updating to the current state of the art.
By allowing the various functions of a spacecraft to be developed and launched separately, this type of "fractionated" system provides benefits such as reduced overall risk, budgetary and planning flexibility, faster initial deployment, and ultimately greater survivability, including selective replacement of damaged or obsolete elements of a complex spacecraft.
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