In the 1840s, British physicist James Joel discovered that iron-based magnetic materials change their shape when placed in a magnetic field, but the volume remains the same. This phenomenon is called "Joule Magnetostriction", and all magnets have shown this feature i
There are a lot of pottery brands on the market and people are dazzled by it, and many people who want to buy electric ceramic stoves are overwhelmed. So before you buy must first understand what a good brand of electric ceramic heaters, small series following a brief introduction of electric cera
The mobile mobile charging treasure uses the design idea of ​​the mobile power supply of the mobile phone and utilizes the existing electric vehicle to withdraw the exercise battery. After screening and reorganization, it is developed into a mob
Abstract 1, ring face material 2, grinding ring face of the diamond plate and the dough on the workbench 3, hand-grinded shape 1, ring face small material 2, the diamond face of the grinding ring and the ring material on the workbench 3, manually grinding out the shape 4, too fine sand 5
Abstract On the 4th, Qiqihar Huagong Machine Tool Co., Ltd. learned that the company recently delivered a large-scale ultra-precision mirror milling and milling machine to Shanghai Baosteel. The machine can add 230mm × 1900mm (mm) billet surface in 3 hours... On the 4th, it was learned f
[ Huaqiang Security Network News ] The society is too chaotic, too many thieves, even a bicycle will be stolen, want to know what the u-lock brand rankings. 2015 u-lock brand rankings released recently 1, Karma motorcycle lock "Zama" brand locks, with the leading
When farmers grow watermelon, it is easy to produce watermelon disease. Then, what are the characteristics and symptoms of watermelon disease? It is the key to recognize disease prevention and treatment after the disease is recognized. What are the symptoms and prevention methods of watermelon dis
Grinders should generally be equipped with special grinder rooms, and it is strictly forbidden to stack inflammable and explosive materials near the grinder room or grinder to avoid fire or explosion accidents, and other parts or articles should not be placed near the grinder. Introduction Grindi
Although the CVD process is strictly controlled, it ultimately determines the quality of the blade and the robustness of the tool. Most experienced manufacturers often use grinding wheels for the PCD industry, and in order to accommodate the hardness of CVD diamond materials, they extend the grind
Abstract The “Central Edition†real estate loosening policy, which has received much attention, has officially landed. On the 30th, the central bank [microblogging], the Ministry of Housing and Urban-Rural Development, the Ministry of Finance, the State Administration of Taxation