Concept: The representativeness of a sample refers to the extent to which the sample or sample taken represents the location or ore body unit (or population) being sampled. Its quantitative representation is analog error or representative error. The representativeness of the sample is divided into
Read moreIn the application of perimeter security, various security systems such as infrared radiation, electronic fence, and infrared grating can be used. Among them, the infrared radiation security system is widely used in the field of perimeter prevention, involving communities, villas, enterprises, gov
Read moreLicense plate recognition system failures and troubleshooting methods: The first case may be that when the card is near the license plate reader, it does not respond and the card number is not read on the software's detection control panel. The connection between the card reader and the comp
Read moreGreen analysis technology has become the frontier of international analytical chemistry. Its goal is to minimize or minimize the use of harmful chemical reagents. Current research focuses on environmentally friendly sample processing and enrichment techniques such as solid phase extraction
Read more[China Instrument Network Instrument R&D] On May 10, 2017, the preliminary acceptance of the project of "Development and Application of Large-scale Fiber-optic Hydrophone Array Underwater Acoustic Detector", a national major scientific instrument and equipment development, was held a
Read more16 meters aerial working vehicle technical parameters: 1 Working bucket maximum working height 16.3m 2 Work bucket size 7.4m 3 Work bucket rated load 200kg 4 Rotation angle ± 360 ° continuous 5 Working range at maximum working height 2.
Read moreFAW school buses have not officially put on the market since their debut. Jiang always said that China FAW is relatively considerate on the issue of school buses and has always been cautious about launching new products. Because school buses are children's special vehicles, children are the ne
Read moreWalk-in products are maintained for safe and trouble-free operation. Regular inspections and repairs not only solve problems in a timely manner, but also keep the system in top working condition. 1. The walk-in temperature and humidity test system must be operated and maintained by special personne
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