… by acid hydrolysis which breaks up the fibres, used as an excipient in the pharmaceutical industry or in the manufacture of dietetic low-calory preparations, as an adsorbant in column and thin layer chromatography, etc. …
… ribs on the outer surface; these "rings", are placed in a "cement slurry kiln" and mixed with the cement slurry in order to diffuse the heat and to facilitate …
… ribs on the outer surface; these "rings", are placed in a "cement slurry kiln" and mixed with the cement slurry in order to diffuse the heat and to facilitate …
… 1. One-time carbon-paper coating machine consisting essentially of several rollers and a stand, the ink from a trough being transferred by an ink-feed roller to a printing roller against which the paper is held by another …
