Mechanical seal, also known as the end seal, which has a pair of perpendicular to the torsion axis of the end surface, the end of the fluid pressure and compensation for the mechanical effect of external elastic.......
According to Battery.com.cn, recently, there are online rumors that potatoes can be used as batteries. Is this true? In this regard, the column group reporters conducted experiments in accordance with the methods provided by netizens.
ã€experiment】
At the scene, .......
The application of LED lamps is more and more extensive, but the life of traditional driving power sources is far lower than the life of LED light sources. The driving power source with short life may destroy the LED industry, and the advantages of LED lamps will not be realized. Mr. Zhu Y.......
1. When wearing a watch, the sweat on the hand is corrosive to the case and the case should often be wiped with a soft cloth. When you .......
PLC is a programmable controller , the scope of application is very extensive. When users use the PLC for PLC knowledge of how much it, PLC and relay advantages compared to what we all know, the following instrumentation World Network Xiaobian come to a detailed introduction abou.......
Nowadays, the entry of three major items from computers, mobile phones and cameras to automobiles, houses, and stocks, and the “opening economy†which is booming year after year, make businesses earn a smile and gradually reveal the extravagance of.......
All along, the processing trade is an important means of trade for the development of import and export. It has a very important role in expanding exports, increasing employment, using foreign capital, and absorbing the transfer of overseas machinery manufacturing. To this end, China attaches .......
In 2011, the cyber security community could be called to keep up with frequent incidents. One of the most eye-catching is the continuous data leakage incidents, phone privacy and security issues and many major APT (advanced continuous threat) attacks.
Website database information leaks ex.......
Website database information leaks ex.......
The 3rd China (Zhengzhou) International Sewing Equipment Exhibition organized by the Henan Province Garment Association and hosted by Zhengzhou Dalu Exhibition Co., Ltd. was held on May 27-29.
Increased scale of exhibitors
A.......
Increased scale of exhibitors
A.......
With the depletion of resources, energy conservation has become a problem that must be considered in the global economic development. At present, global lighting accounts for about 19% of electricity consumption, which translates into electricity consumption of up to 2651 TWh. If the exist.......
Fire fireplaces often represent high-end products. Actually, the fireplace is now gradually entering our ray. More and more people recognize the disease and use it. How to buy a fireplace?
1. How much heat output do you need? In a house with excellent heat insulation and insulated glass, w.......
1. How much heat output do you need? In a house with excellent heat insulation and insulated glass, w.......