Αναζήτηση
Αποτελέσματα 21-30 από 340
Desalination by mechanical compression of humid air
(1999)
A novel desalination concept is described, combining the principles of humidification-dehumidification and mechanical vapor compression. Thermodynamic analysis indicates the effect of operating conditions on water production ...
Effect of novel paint removal processes on the fatigue behavior of aluminum alloy 2024
(1998)
Conventional paint removal processes, based on application of chemicals and abrasion, are becoming inadequate for modern aircraft structures. In addition they are associated with severe environmental problems, mainly due ...
Administration of moxidectin for treatment of sarcoptic mange in a flock of sheep
(1999)
The treatment of a large flock (1529 sheep) infested with Sarcoptes scabiei is reported. All sheep of the flock were treated twice, 12 days apart, with moxidectin 1% injectable solution, given subcutaneously at 0.2 mg ...
Conceptual reorganization and the construction of the chemical reaction concept during secondary education
(1998)
Aspects of 40 pupils' (aged 12-18) conceptual reorganization and change, related to the construction of the chemical reaction concept were studied. Data were collected with the Free Categorization Task and the Interview ...
Examining psychological factors during injury rehabilitation
(1997)
The aim of this study was to examine the effectiveness of goal setting on performance and on a number of psychological variables such as self-efficacy, pretesting anxiety, and self-satisfaction during an injury rehabilitation ...
Estimation of diffusion coefficients in acetone - Cellulose acetate solutions
(1999)
The mutual and the self-diffusion coefficients of the acetone-cellulose acetate system are determined by using established gravimetric measurements of the acetone evaporation rate. The process is studied as a one-dimensional ...
Gossypol-induced inhibition of plasminogen activator activity in human and ovine acrosomal extract
(1999)
The effect of gossypol-a polycyclic compound isolated from cotton seeds-on the plasminogen activator activity of man and ram acrosomal extracts was explored in vitro. The action of gossypol on the plasminogen activator ...