The mechanical and disintegration properties of paracetamol tablets formulated using Delonix regia seed gum (DRSG) as a binder have been studied in this work. Acacia BP (ACG) and tragacanth BP (TRG) were used as official gum standards. The mechanical properties, i.e. tensile strength (TS) and brittle fracture index (BFI), showed that with an increase in concentration of the gum binder, the tens...

Zonal disintegration have been discovered in many underground tunnels with the increasing of embedded depth. The formation mechanism of such phenomenon is difficult to explain under the framework of traditional rock mechanics, and the fractured shape and forming conditions are unclear. The numerical simulation was carried out to research the generating condition and forming process of zonal dis...

Civil war is commonly viewed as the result of a fracturing of society resulting in social disintegration. As such, post-conflict reconstruction programs often aim at social integration in order to rebuild the social fabric that existed prior to the conflict, including special programs to re-integrate ex-combatants following their disarmament and demobilisation. Yet this perception of civil war ...

E3d was )ess thermostable than E3c; E3d and E3c lost half of their original activities upon incubations for 30 min at 790C and 900C, respective]y. Heat treatment of E3d raised the fluorescence ;ntensities of Trp residue, intrinsic FAD, and extrinsic 8-anilinonaphthalene-1-sulfonate. E3d lost FAD, and inactive E3d polypeptides were aggregated. The sulfonate bound to the aggregate became notably ...

The purpose of this paper is to list and discuss briefly some of the causes of chemical and physico-chemical disintegration of concrete and to point out some methods that can be used to study these causes. In this paper a distinction is made between physico-chemical (or chemico-physical) and mechanical causes of failure. Processes involving changes in chemical composition (chemical reactions pr...