Basic information Working surface:ɡōnɡ zuò miànWorking surface (being illuminated) (work-plane) (lighting major) Usually refers to the place where the work is completed, where the illuminance is set...
Experimental equipment used in chemical experiments to add powdered solids to test tubes that are not filled with liquid.Production method: Take a rectangular piece of paper with a width of about 1cm...
The light on the surface of the semiconductor will absorb it. Photon absorption produces a majority carrier and a minority carrier at the same time. In many photovoltaic applications, the number of p...
Cleaning method 1. Brush: Some people say it can be used, some people say it can’t. The reason is that the brush itself is easy to absorb dust. Even if it is kept well, it can not avoid the dust that...
Basic introduction The role of mechanical transmission: the role of mechanical transmission is to transmit movement and force. Common types of mechanical transmission systems include gear transmissi...
Definition Man-made fibers are chemical fibers made from natural polymers through chemical treatment and mechanical processing. Man-made fibers generally have properties similar to those of natural...
The working principle of the inverter box Each speaker has its own resonant frequency point. When this frequency appears in the electrical signal, it will cause the speaker to resonate, resulting in...
The active devices in thin film integrated circuits, namely transistors, have two material structures: one is a thin film field-effect cadmium sulfide or cadmium selenide transistor, and the other is...
All-in-one card reader Support USB1.0 and USB2.0 ports, plug and play, the market share and strong practicality, is the most product on the market. The main advantage is that it has to add SD configu...
Most mice use a scroll wheel design to define the third button, allowing users to scroll the page. It can also be used as a shortcut key, allowing people with poor eyesight to zoom in on anything on t...
Introduction Address Register (AR) is used to store the address of the memory unit currently accessed by the CPU. Since there is a difference in operating speed between memory and CPU, address regis...
What is GBIC GBIC is an interchangeable product that meets international standards. Gigabit switches designed with GBIC interfaces have a large market share due to flexible interchangeability. GBIC...
Development status Each hard disk manufacturer strives to increase the internal transmission rate of the hard disk. In addition to improving signal processing technology and increasing speed, the m...
The English spelling of hard disk data transfer rate is Data Transfer Rate, or DTR for short. The data transfer rate of the hard disk expresses the data transfer speed when the hard disk is working, a...