EXCA

AcronymDefinition
EXCAExchangeable Card Architecture
EXCAEuropean Expanded Clay Association (Brussels, Belgium)
References in periodicals archive ?
Concentrations available were 50, 75, 100, 125, 250, and 500 [micro]g/mL of ascorbic acid and ExCA was added to an aliquot of 0.5 mL of each sample and 0.5 mL of 20% trichloroacetic acid.
The concentration of gallic acid and ellagic acid was 2.83 [+ or -] 0.01 and 15.48 [+ or -] 0.50 [micro]g/mg of ExCA, respectively.
of depths (cm) PH 7 (standard + 0-15) EC 7 (standard + 0-15) [EC.sub.se] 7 (standard + 0-15) Sand 6 (standard) Clay 7 (standard + 0-15) Silt 7 (standard + 0-15) Organic 7 (standard + 0-15) carbon (OC) Coarse fraction 7 (standard + 0-15) (CF) Effective depth 1 (depth to) Available water 7 (standard + total content (AWC) profile) Bulk density (BD) 6 (standard) ExCa 1 (0-15) ExMg 1 (0-15) Drainage 1 (total profile) Depth to sodic layer 1 (depth to) Depth to duplex clay 1 (depth to) Total No.
Founded in 1980, Excalibur Technologies Corporation (NASDAQ: EXCA) is the pioneer of innovative Knowledge Retrieval software solutions that transform information into knowledge.
Sodium--calcium exchange on samples for different concentrations ratios (Na/Ca) for Balkuling soil and mining residue ExCa [SIGMA] r (Na/Ca) pH ExNa (mmol/kg) Exi (A) [K.sup.Na.sub.Ca] Balkuling soil 0.9 6.1 1.10 11.50 12.60 0.28 0.7 6.6 0.64 11.10 11.74 0.21 0.4 6.3 0.46 11.14 11.86 0.23 0.2 6.6 0.20 12.50 12.70 0.18 0.1 6.6 0.18 12.20 12.38 0.31 Mining residue 0.9 7.5 1.16 21.78 22.94 0.16 0.7 7.4 0.78 20.34 21.12 0.14 0.4 7.0 0.64 19.22 19.86 0.19 0.2 7.0 0.40 14.57 14.97 0.30 0.1 7.3 0.40 14.47 14.87 0.57 (A) Exi denotes concentration of adsorbed cations and [SIGMA] Exi total adsorbed cations.