Introduction to fingerprint recognition principle

Want to know the principle of the fingerprint access control system ? Let me tell you.
Professor Bo Taichai of the University of Paris, France, classifies the details of fingerprints into four categories: starting point, ending point, difference, and combinati.......

SH-08 eddy current sensor debugging rack

SH-08 eddy current Sensor debugging rack

The HN800 series eddy current sensor is a combination of a preamplifier and an eddy current probe. It is a non-contact linearized sensing system. The eddy current sensor is mainly used to measure the static and dynamic distance between the pro.......

Nine hot events in the first half of 2017


In July, the Chinese auto market officially ended its journey in the first half of 2017. Looking back at the large and small events that occurred in the domestic automobile market in the past half year, the most noticeable are.......

The Role of Plant Leaf Area Meter in Preventing Citrus Size Years

In the large citrus producing areas, citrus fruit size results are very common, which also caused a large fluctuation in citrus production, fruit quality, poor fruit uniformity, fruit small, taste acid, oily rough, thick skin, The increase in malformed fruits, etc., therefore, it.......

Zhangjiakou Gold Mine Carbon Pulp Plant (2)

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Komatsu Holds PC200 Series-8M0 Hydraulic Excavator Conference

On February 1, 2013, Komatsu (China) Investment Co., Ltd. held a new product launch at the Komatsu (China) Product Technology Development Center in Changzhou City, Jiangsu Province, and released 6 Komatsu upgraded 20-ton hydraulic excavators. More than 100 use.......