[Chinese instrument network meter patent] creative limit, instrumentation invention. Today we introduce a national patent for invention—a new smart water meter. The patent was applied for by Ningbo Weisi Electric Technology Co., Ltd. and was authorized to be announced on August 22, 2017. Con
AC withstand voltage test is the most effective and direct method to identify the insulation strength of electrical equipment. During the operation of power equipment, insulation will gradually deteriorate due to the effects of electric field, temperature and mechanical vibration. Including the o
Nowadays, automotive tires are not the same single style as before. They have a wide variety of shapes and performances, and they have been injected with various cutting-edge black technologies. Tyres are the most important parts of automobiles that are easily overlooked. Their impact on the acce
According to the mine production experience, the large-scale collapse of the stope and the cutting trough are closely related, the blasting effect of the cutting trough is good, the mining stop is smooth, the ore recovery rate is high, and the blasting block is uniform. The end of the stope is the
Magnetic separation is a beneficiation method for separating minerals based on the differences in magnetic properties of various minerals. Therefore, in order to determine whether the ore to be studied can be magnetically selected, it is necessary to first study the magnetic properties of the ore, t
Generally speaking, the sprinkler trucks used for cooling and dust removal at roads and roads are mostly used with sprinklers less than 8 tons; the number of sprinklers used for greening is usually 9-15 tons; the sprinklers with more than 15 tons are mostly
I once crossed the mountains and the sea, but also across the sea of ​​people; I used to have everything, and in the twinkling of an eye I felt like smoke; I once lost and disappointed to lose all directions, until I saw the ordinary is the only answer... Along with this &quo
Sb 2 S 3 [Chemical composition] The composition is relatively fixed, containing a small amount of As, Pb, Ag, Cu and Fe, and most of the elements are mechanically mixed. [crystal structure] orthorhombic system a 0 =1.120 nm, b 0 =1.128 nm, c 0 =0.383 nm; Z=4.  Figure L-12 Crystal structur
In the process of beautiful rural construction, rural sewage treatment is a key element. The United States experienced in rural sewage treatment, treatment technology is more mature, similar to the soil absorption system, sand filtration system and the choice of technology, management mechanism fo
[ China Agricultural Machinery Industry News ] After the anaerobic fermentation of the pig farm's manure, the biogas slurry produced by the intelligent irrigation pipe network provides energy crops with the nutrients needed for growth. The straw and waste oil slag generated during the growth of
Introduction: The functions and distinctions of centrifugal pumps and self-priming pumps are not very clear to a lot of friends. Then let's briefly introduce the working principle of centrifugal pumps and self-priming pumps. From the working principle, the centrifugal pump is generall
Slide wire collector advantages : 1. Safe and reliable, that is, no danger of electric shock by touching with your finger. It complies with the IP23 standard. 2. Energy-saving and consumption-reducing, using specially formulated aluminum alloy profiles as conductors; small resistance, can minimi