[translate] aFor electrical systems, use telecommunications cabling and electrical device wall plates that have a high percentage of recycled plastic. 为有被回收的塑料的高百分比的电气系统、用途电信缚住和电子设备承梁板。[translate]
More and more plastic waste is polluting the world's city, countryside and ocean. What problems will it cause? What measures should be taken to solve these problems? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 words...
The soils were wetted to 70% of their water holding capacity (WHC) and incubated in plastic bags at a constant temperature of 25 ± 1.5 °C for 15 days. The WHC was determined using a funnel closed off at the bottom with cotton to which 50 g of soil was added. The soil was ...