Water screen film is created by a film projector and water screen generator;The pictures projected onto a water screen which is produced by a special fountain water screen nozzles which can produce a thin,smooth,transparent film of water as the screen;The projector and film tapes are special
2YJ8x10 Tandem Static Road Rollers are most suitable for grading and final compaction of gravel, aggregates, asphalt and asphalt concrete pavement also can be used for roadbed compaction.
2Y8x10C, this roller is most suitable for grading and final compacting the gravel, aggregates, asphalt and asphalt concrete pavement, also can be used for roadbed compaction.
JMY622 series are 13.56MHz RFID reader/writer module with UART and IIC serial ports. The module would meet EMV2000, EMV2010 and PBOC 2.0 standards. And the module and antenna is linked by 50ohm coaxial line. The impedance between RF module and antenna was tuned by impedance analyzer; so the module
Melamine is white crystal powder, it can dissolve in glycerine, pyridine, heat ethylene glycol, acetic acid and formaldehyde. It is difficult soluble in the ether, benzene and tetrachloromethane. It will sublimate when heated, heated slongly it will decomposite.
Melamine is kind of important