The strain sensitivity characteristic of long-periodfibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
It is free from cholesterol, fat but rich in collagen, fibre, protein and Vitamin E. If consumed over a period of time, will help improving metabolism and immune system.
The sand filtration is compared with fibre-ball filtration on the removal rate of turbidity, COD and SS, and on the head losses, filtration period and filtrate.