Security surveillance video technology knowledge

There are more and more employees monitoring the security industry. For newcomers who have just joined the industry, they may start with the installation of the most basic equipment and gradually gain experience in practice before they can become project managers for independent projects. So

Introduction and comparison of millimeter wave and terahertz technology

In the current market of new human body security devices, in addition to the widespread concern of millimeter-wave human body instruments, there is also an emerging technology that has received widespread attention, namely terahertz imagers. In fact, there are coincidences between the teraher

Screw pump removal and assembly precautions

Screw pump removal steps:

1, screw pump and motor from the emptying medium (to prevent the motor, toxic media wounding);
2, remove the screw body discharge body;
3, remove the screw pump stator, if necessary, according to the axis of the pump shaft for auxiliary;
4,

[original] Cultural relic protection technology support plan acceptance

In recent years, the voice of China's instrument network research and development has become increasingly loud, many experts and scholars have joined the army of cultural heritage protection, and related laws and regulations are gradually improving. Among them, instrumentation, as an indisp

Research on Nanotechnology Coating of Chinese Tool Coating Materials

With the development of nanotechnology and advances in coating technology, nano-tool coating materials have also attracted the attention of researchers. There are two main types of nano-coatings: nano-multilayer structures and nano-composite structures. Nano-multilayer coating