It fits for small batch testing minitype power transformer s primary no-load electric current,rated electric current and secondary no-load electric current,full-load voltage,load current,etc.
该电路设计简单、构思新颖 ,适合小批量测试小型电源变压器的空载电流、额定电流及次级空载电压、满载电压、负载电流等参
The results showed that value of TN、TP、potassium permanganate index, SD and Chla were different in each tributary.
通过对三峡库区15条次级河流TP、TN、Chla、高锰酸盐指数、SD和浮游植物的测定,分析了次级河流的营养状态及营养盐输出状况。
