دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A kind of organic acid root. Producing organic salt when mixing with diatomic metal cation.

diatomaceous earth filtration unit.

n: any of the algae of the class Bacillariophyceae, noted for symmetrical and sculptured siliceous cell walls. After death, the cell wall persists and forms diatomite. Diatoms first appeared in the Cretaceous period and still live today.

n: A kind of biochemic sedimentary rock consisted by siliceous cell wall of diatom. Usually used for block agent of porous leakage zone.

n: The mixture of diatonite and cement. The main defects are long thickening time and low intensity.

n: an earthy deposit made up of the siliceous cell walls of onecelled marine algae called diatoms. It is used as an admixture for cement to produce a lowdensity slurry.

silica particles from Diatom beds. Used as a filtering media and as an additive to cement.

n: a rock of biochemical origin, which is composed of the siliceous (glassy) shells of microscopic algae called diatoms.

n: See diatomaceons earth.