A semiconductor is a material that has certain peculiar properties about the way it reacts to electric currents. The material has considerably inferior resistance to the flow of current in one direction than the flow of current in the other. Semiconductors conduct electricity halfway between excellent conductors (such as copper) and insulators (such as rubber). …
Titanium alloy TC4 is composed of Ti-6Al-4V, which belongs to (α+β) type titanium alloy and has excellent comprehensive mechanical and mechanical properties. The specific strength is greater. The strength of TC4 sb=1.012GPa, density g=4.4*103, specific strength sb/g=23.5, while the specific strength of alloy steel sb/g is less than 18. Titanium alloys have low thermal conductivity. …
Mechanical properties of TC4 titanium alloy materials Read More »
The DC trunk line is the transmission line used for the photovoltaic module system to be connected to the inverter after the converging box. If the inverter is the heart of the whole phalanx system, then the DC trunk system is one aorta. Because the DC trunk system is not grounded, the grounding fault of …
The DC mains cable of the photovoltaic system is grounded Read More »
A happy couple’s life is all about progress. Under what circumstances and with what mentality should we choose to play mobile games is also a question for universities. Proper and selective mobile gaming can not only improve your happiness, but also your health. Play for babies Couples can pretend to be children and ask curious …
What are the couple sex games? Try baby games between couples Read More »
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I’ve been falling in love with baths lately, especially when I have nothing to do at home during the holidays. Taking a bath is certainly one of the most relaxing and effortless ways to relax. In the leisure holiday, travel to and fro to and fro, sports to have “the right time and place” the …
People’s lives are in the pursuit of material, because material can have spiritual happiness. This is the idea of most people. So we are busy all our lives, all in the money, letting themselves tired, but also stuck to our teeth. We will be rich or not to fate, some people in the rich, even …
Women are poor or rich life, very easy to detect Read More »
There are several methods used to shape metal parts in today’s manufacturing industry. Of all these technologies, metal stamping is arguably the most cost-effective and popular metal working method used by manufacturers. Components stamped with Metal Stamping China have multiple operations as they pass through various stations. These processes include punching, extrusion, blanking, bar pressing …
Serial port optical cat is a communication product that transmits serial port data through optical fiber medium. It adopts metal shell, supports industrial guide rail installation, wall-mounted installation and other installation modes, and provides RS-232/422/485 interface. So, what are the device structure and main characteristics of serial port optical cat? Let’s take a look! Serial …
Graphics card is an important part of the computer, mainly undertake the task of output display graphics, for people who like to play games and engage in professional graphics design, the purchase of a computer is the most concerned about this part. There are three types of graphics cards, which are independent graphics cards, integrated …
Computer independent graphics card and integrated graphics card difference Read More »