The present invention provides a fiber Bragg grating made of boron co-doped germanium fiber, a Bragg grating part wherein chemically etched and thermally regenerated. By using an optical fiber diameter of 125m, the grating is etched to core diameter…

The present invention provides a fretting load measuring device for rotating bending type fretting fatigue test machine, the fretting measuring device includes: a) a fretting ring; b) a loading means , wherein the loading means is a pair of biasing…

A method of producing a dye sensitised solar cell, characterised by heating and stirring a gelatinised starch solution containing an iodide salt to obtain a polymer mixture; adding ionic liquid into the polymer mixture to form a polymer electrolyte…

The present invention introduces a gel polymer electrolyte based dye sensitized solar cell (DSSC) utilizing polyacrylonitrile (PAN). The electrolyte have a composition of PAN:EC:PC:TBP:Pr4NI:LiI:BMII:I2. The photoelectrode comprises a glass…

The present invention relates to a solar water heat regulator that improves heat transfer rate and reduces overheating of water. The solar water heat regulator includes an evacuated tube, a heat pipe, a conduit, an enclosure, a first heat exchanger…

A method for producing an aqueous sugar solution from cellulosic materials comprising the steps of heating ground cellulosic materials with perchloric acid; neutralizing the heated materials with an alkali to yield a salt precipitate; and filtering…

The present invention provides a bottle replenishing tool for lifting, conveying, and invertably positioning a water bottle onto a water dispenser, the bottle replenishing tool includes: a) a supporting structure adapted for supporting, transporting…