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What should we pay attention to in soldering PCB?

2019-03-27

The following points we should pay attention to in soldering PCB: 1)The soldering temperature and environment; 2)The soldering method, such as if the PCB has components in both sides( In order to avoid components falling, pads rub off and board brok

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Are infrared thermometers harmful to kids?

2019-03-27

Not really. In fact, an infrared thermometer is basically no radiation. In other words, it works via reflecting infrared wave length of heat dissipation from our human body.

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What is the best CPAP on the market?

2019-03-27

The best CPAP on the market: Respironics(USA), ResMed(Australia), etc.

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Which is better, analog or digital insulation tester?

2019-03-26

Apparently, digital insulation tester is better than analog one.

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Why is a capacitor current not measured by a multifunction meter?

2019-03-26

Because the multifunction meter can only measure current in a closed circuit. That’s to say, the return circuit should exist current, then the volmeter pointer is gonna deflect with the effect of electromagnetic induction;

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What should you choose: Cloud-Based vs VOIP Telephone System?

2019-03-26

Frankly speaking, I’d like to choose VoIP Telephone System; So why? The IP communication solution( VoIP) has proved in the market that it can help us solve these questions like simplify the business procedure and reduce cost. Over years, companies al

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What temperature do electronics stop working at?

2019-03-25

As for the temperature when the electronics stop working at, to be honest, we have to discuss it based on the detailed products. For instance, Civil-use Grade: -10~70℃; Technical Grade:-20~85℃; Military or Automobile Grade:-40~125℃.

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What is the difference between LED lights and energy-saving lights?

2019-03-25

The difference between LED lights and energy-saving lights: 1)Light souce; 2)Heat production.

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What is the external power source for aircraft?

2019-03-25

The external power source for aircraft: Ground electrical power source, which is the EPU(Electrical Power Unit) to generate power supply when the airplane is still on the ground;

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What is the safest and cheapest way to clean electronic devices?

2019-03-22

The safest and cheapest way to clean electronic devices: Based on the specific parts of the electronic equipment, you can use these stuffs like toothbrush, cotton bud, adhesive tape, ethanol, etc.

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