Problems in instrumentation of zeta potential measurement for neutral papermaking method.

semi-analytical solution for static and forced vibration problems of laminated beams through smooth fundamental functions method

در این پایان نامه روش جدیدی مبتنی بر روش حل معادلات دیفرانسیل پارهای بر اساس روش توابع پایه برای حل مسایل ارتعاش اجباری واستاتیک تیرها و صفحات لایه ای ارایه شده است که می توان تفاوت این روش با روش های متداول توابع پایه را در استفاده از توابع هموار در ارضاء معادلات حاکم و شرایط مرزی دانست. در روش ارایه شده در این پایاننامه از معادله تعادل به عنوان معادله حاکم بر رفتار سیستم استفاده شده است که مو...

human serum lipoprotein zeta potential measurement by zetasizer instrument, a method development

Zeta Potential Measurement for Water Treatment Coagulation Control

Zeta potential was assessed as a tool to optimise pre chlorination and coagulation at Happy Valley WTP. Samples were obtained from jar tests using raw water spiked with green algal cells. Treatments including pre-chlorination, polyelectrolyte addition and alum dose were investigated. Results indicate that: pre chlorination of algal spiked raw water had a negative effect on zeta potential; alum ...

Total neutral 17-ketosteroids; clinical method for measurement.

ITH INCREASING DEMAND for the determination of urinary total 17-ketosteroids as a diagnostic tool, a need has developed for a , rapid method suitable for clinical use. Such a method was pubby Drekter et al. (1) and modified by Masuda and Thuline (2). We further modified the latter method to permit a larger number of s to be run at one time. We have substituted equipment which is akable and less...

A Study of Zeta Potential of Plasma Sprayed Hydroxyapatite Coating in Four Simulated Physiological Solutions

The zeta potential magnitude and the duration of its changes have been thought to be directly related to the surface reactivity, the governing of osteoconductivity and availability of valuable information in determining the anticipated in-vivo performance of implants. In this study the zeta potential of plasma sprayed hydroxyapatite (HA) was evaluated in various simulated physiological solution...