Harden

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Related to hardener: concrete hardener

Harden

1. To secure a computer system to make it more likely to withstand an attack from a hacker.

2. See: Hard asset.
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References in periodicals archive ?
The design of AEH, with epoxy hosted inside acrylic particles only reacting when the epoxy migrates out to react with hardener during film formation, is expected to bring longer pot life.
5 %, and degree of vanadium recovery increases up to 92-95 %, whereby up to 50 % of vanadium-containing hardener of the following composition is produced from the ShVd-1 slag, %: 17-22 V; 4-7 Si; 2-6 Cr; 5-10 Mn; 2-3 Ti; 0.
Solder mask A and F became more brittle as the hardener component of the mixture increased, but the opposite effect was observed on solder mask B, C, and D.
The hardener stabilises the damaged area and makes it as hard as the sound timber around it.
The Global and Chinese Epoxy Hardener Industry Report 2014 is a professional and in-depth study on the current state of the global epoxy hardener industry with a focus on the Chinese situation.
Nickel-coated graphite (Novamet Company), epoxy resin (Araldite GZ471-X75, Huntsman Company), and its polyamine hardener (Aradur 283, Huntsman Company) were also used to evaluate the effect of conductive filler and resin type on the electrical resistivity of nanoclay conductive coatings.
After considering the parameters like the hardener, stabilizer, and matrix, another goal of this work was to find a correlation of TL results with established detection modes--for instance, discoloration and yellowing--to rank the various automotive systems.
Where there is substantial decay, use a wood hardener before applying the filler.
A hexamethylene diisocyanate (HDI) hardener ensures good crosslinking and resistance properties of the resultant coatings, while an isophorone diisocyanate (IPDI) hardener accelerates physical drying.