This article has presented the process and equipment of powder detergent industry in our country, pointed out technical discrepancy with other nations, to table a preparatory proposal about how to catch up other nation's advanced technique.

Application of PLC in industrial washing machine;

With the control system transformation of a traditional industrial washing machine, the application of S7-200 PLC and VF-7F series frequency converter in industrial washing machine was introduced, including the power requirement, the schematic diagram of system, the setting of inverter’s parameter, and also some matters needing attention.

In order to realize the intelligent and networked industrial washing machine, the control system software is designed under μC/OS-II embeded operating system.

The article researches the structure of fuzzy control in industry washing machine.

To equip industry washing machine with intelligence and internet remote monitor functions, the function modules of industry washing machine control system were researched,such as man-machine interface, motor control, magnet valves control, washing state detection, temperature measure, cloth volume and cloth properties measure, turbidity measure, intelligent control, internet communication.

A BP neural network control model based on the washing machine has been builded in this paper.

To explor genetic toxicity of laundry detergents to Misgumus anguillicaudantus,we used three kinds of laundry detergent(NO.

To measure the moisture content in a laundry detergent by different methods will result in different numerical values,which are certainly dissimilar to the theoretical value.

To explore the difference of mutagenicity and acute toxicity between laundry detergents and ponceau 4R in Misgurnus angullicaudatus,actute toxicity tests and micronuclei tests were studied.