What is upgrading and transformationIn recent years, "standard improvement and transformation" has become a hot topic in environmental protection, municipal administration, industry and other fields. As the country's requirements for environmental protection continue to increase, upgrading and renov

What material is NAK80?NAK80 is a pre-hardened mirror mold steel that is widely used in plastic mold manufacturing due to its excellent polishing properties, high wear resistance and good processing properties. This article will introduce in detail the material properties, chemical composition, phys

What kind of mask can prevent smog? ——Analysis of hot topics on the Internet in the past 10 daysRecently, with the arrival of autumn and winter, haze weather has once again become the focus of public attention. How to choose an effective anti-smog mask has become an urgent need for many people.

What system is DCS?In the field of industrial automation, DCS (Distributed Control System) is a control system widely used in process industries. It realizes efficient monitoring and operation of complex production processes through the design concept of decentralized control and centralized managem

What is a flange bearingFlange bearings are a common mechanical component and are widely used in industrial equipment, automobiles, home appliances and other fields. It ensures smooth operation of mechanical equipment by reducing friction and supporting rotating parts. This article will introduce in

What gas is sulfur dioxide?Sulfur dioxide (chemical formula: SO₂) is a common inorganic compound. It is a colorless, toxic gas with a pungent odor at room temperature. It is one of the main components of air pollution and a common by-product of industrial production and natural activities. The fol

Why is the end of the heater not hot?With the advent of winter, the frequency of heating use increases, and many users report that the heating end is not hot. This article will combine the hot topics and hot content on the Internet in the past 10 days, analyze the reasons and solutions for the heate

How to use heating circulation pumpWith the arrival of winter, the use of heating circulation pumps has become the focus of attention for many families. Correct use of heating circulation pumps can not only improve heating efficiency, but also save energy. This article will introduce in detail how t

How to repair geothermal water leakageThe geothermal system is an important way of heating modern homes. Once water leakage occurs, it will not only affect the heating effect, but may also cause property damage. This article will combine the hot topics and hot content on the Internet in the past 10

How to use central air conditioningAs the high temperatures in summer continue, central air conditioning has become an essential appliance in homes and offices. Proper use of central air conditioning can not only improve comfort, but also save energy and extend the life of the equipment. The followi