The quality of BSU is investigated. Protection conditions are optimized to ensure a product yield of more than 98.5%.
对BSU的质量进行了考察，并对保护反应条件进行了优化，使产品质量收率大于98.5%。
2
Tectonic stress result in increasing diameter and the stack height of basic structural unit(BSU), and decreasing the BSU lamellae spacing.
结果表明，构造应力作用提高了“煤晶核”BSU的延展度和堆砌度，使面网间距减小。
3
BSU is small HEPA filter and fan unit, which is used for many purposes by users plan such as simple clean bench, clean booth , clean passbox& clean garman stocker etc.