Article - 27 Dec 2010
Polymer electrolyte fuel cells (PEFCs) are at present attracting considerable interest as a primary power source for zero emission electric vehicles and residential co-generation systems due to their...
Article - 31 Aug 2009
Understanding powder behavior during preparation, transfer, and filling of dies is important in powder metallurgy as each step influences the quality of the final component.
Article - 30 Apr 2009
Seven commercial Si3N4 powders produced by different production processes, nitridation media and further acid treatments were analyzed by XPS technique. The XPS spectra of all as received powders show...
Article - 3 Dec 2007
This article examines the surface modification of polyethylene (PE), poly(vinylchloride) (PVC), and polystyrene (PS), by thermal ozone (O3) treatment to improve their properties. Comparisons show that...
Article - 23 Sep 2005
Li1-xNi1+xO2 powder was successfully prepared by the sol-gel method using oxalic acid as a chelating agent with the subsequent calcination at 650-800°C for 14-48 h. The formation mechanism of...
Article - 6 Jun 2005
Suspensions may be acceptably stable to sedimentation for two reasons. Either the bulk material has a yield stress high enough to hold the particles in suspension, or the material has a ‘zero shear...
Article - 28 Apr 2005
Lubricating products such as greases need to be workable in all environments that the application may be used. This can include extremely low temperatures as when cooled, the different fractions in...
Article - 12 May 2001
Polyamide 6 (PA 6) is a thermoplastic and was created as an alternative to the patented Nylon 6/6. It is a semi-crystalline polymer and has some similarities to Nylon 6/6 in terms of its properties.
Article - 11 May 2001
Relative advantages, disadvantages and applications are listed together with a table of typical properties for this thermoplastic.
Article - 27 Jul 2021
Learn more about the multiclass multiresidue method for analysis of veterinary drugs in chicken by UHPLC/MS/MS.