Phone: +8618330222305
Email: sales08@bdhuazheng.com
Phone: +8618330222305
Email: sales08@bdhuazheng.com
1. What is grounding?Grounding is a low resistance connection between a circuit or device and ground. Any electrical system requires proper wiring and grounding for safe operation of the equipment. Proper cabling requires that the system, all loads, and circuit components be properly grounded and co
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The contact angle is defined as the angle θ between the gas-liquid interface tangent and the solid-liquid interface at the intersection of gas, liquid and solid.If θ < 90°, it is really hydrophilic, that is, the liquid can wet the solid, and the smaller the angle, the better the wettability; i
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The high-voltage circuit breaker (or high-voltage switch) is the main power control equipment of the substation. When the system is in normal operation, it can cut off and connect the no-load and load current of the line and various electrical equipment; when the system fails, It cooperates with the
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Vacuum oil filter is a commonly used oil filter product, which can be used for on-site oil filtering and refilling of various oil-immersed transformers, oil-immersed current and voltage transformers and high-voltage oil-less circuit breakers. Today we mainly introduce the working principle and opera
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The gas chromatograph mainly uses the difference of the boiling point, polarity and adsorption properties of the substance to realize the separation of the mixture. After the sample to be analyzed is vaporized in the gasification chamber, the inert gas (ie carrier gas, also know
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+8618330222305
+8618330222305
sales08@bdhuazheng.com
0086-18330222305
Julia Jin-huazheng
