Energy efficient high density photobioreactor for culture of microalgae. this technology has been proven to able to produce microalgae at high dendity than that of convebtional culture system. it has been successfully tested on at least 3 species of…

Often during the process of rolling a cable, the cable becomes entangled, making it difficult to roll the cable. In addition, the cable also tends to accumulate in one place on the cable roll (cable overrun), which makes it difficult to unroll the…