Infrared camera performance analysis

Infrared cameras have outstanding advantages such as long-range night vision, strong concealment, and stable performance in surveillance cameras, thus occupying most of the market in CCTV night vision surveillance. How to identify the advantages and disadvantages of the in.......

Relationship between soil moisture meter and soil moisture

Farmland soil water is most closely related to crop growth, which directly affects the water, gas, heat and nutrients of crop growth. The surface water and groundwater can only be directly absorbed and utilized by the crop through a certain transformation rel.......

Exhibition Economy Promotes Upgrading of Home Shopping Malls

Recently, Red Star · Macalline Pazhou Shopping Center announced the launch of the "365-day unfinished" home exhibition on September 4. It aims to use exhibition opportunities to build nearly 300 furniture and building materials brands into a norma.......

Wall & Wood Paints Can't Hurt Severe Painters

Wall and wood furniture occupy a large area of ​​space, and construction will directly affect the “face” problem of the entire home. After complaining about its decoration, it is better to do "homework" before construction and take the first step to unde.......

Measurement and calculation of keyway symmetry error

Factory keyway symmetry error is commonly measured by the 180° reverse method recommended in GB1958-80. In this method, the V-shaped block is used to simulate the reference axis, and the center plane of the measuring block or the positioning block represents the actual center plane of the k.......

Who is responsible for the subway lift accident on Line 4?

Over the past few days, subway elevators across the country have experienced failures and accidents, blood-stained escalators, wrecks that have never been determined, and subway passengers who dare not take the elevators. Together, they form.......