Ara
Toplam kayıt 13, listelenen: 11-13
Processing of urea-formaldehyde-based particleboard from hazelnut shell and improvement of its fire and water resistance
(Wiley Blackwell, 2009)
The purpose of this study was to manufacture urea-formaldehyde-based particleboard from hazelnut shell and eliminate its disadvantages such as flammability, water absorption, swelling thickness by using fly ash and ...
The effect of aluminum and ammonium perchlorate content on temperature sensitivity, mechanical properties and performance of HTPB propellants
(The Japan Society for Aeronautical and Space Sciences, 2007)
This paper describes the effect of aluminum content variation of HTPB (hydroxyl terminated polybutadiene) propellants on temperature sensitivity, mechanical properties and performance values. Aluminum (Al) content was ...
Determination of pKa values of some auxins in methanol-water mixtures by reversed phase liquid chromatography and potentiometric methods
(Sociedade Brasileira de Quimica, 2009)
Os hormônios das plantas são de vital importância para o seu funcionamento normal. As auxinas são uma classe de fito-hormônios envolvidas em muitos aspectos do crescimento. Os ácidos indol-3-acético (IAA), indol-3-pirúvico ...