工程學

材料新國界-介電陶瓷之電容器

本研究以高頻阻抗分析儀,針對自製的電容器,以不同比率的三氧化二鐵加二氧化矽混合後所製成的電容器,對頻率、電容直及正切損耗能量直從事研究。實驗結果發現,在低頻率直到60Hz以內,其 Cp及D值變化非常大...

The Free-D Elevator System

Miracles in life originate from daily life itself. What can be imagined can really be achieved. Hong...

The Sunflower Peeler

It is used by pigeon owners, farmers and squatters. The machine peels thesunflower seeds and leaves ...

SPAREWHEELALERT

It is used by practically everyone that has vehicle. The device checks your spare wheel and wams you...