On November 24, 2015, the main beam of the 1600-ton Longmen crane of Jiangnan Shipbuilding (Group) Changxing Shipbuilding Base was in place, marking the completion of the overall hoisting of the gantry crane. The completion of the node was completed on March 18, 2016. solid foundation. It is repor
The occurrence of insect pests is a group activity. Individual insect pests do not pose a great threat to crops. However, many pests have strong reproductive capacity, and sporadic pests may eventually evolve into mass events. Therefore, in the prevention and control of agricultural pest
In the event of a water inrush accident in the mine, the personnel at the accident site shall report to the dispatching room in time according to the provisions of the Mine Disaster Prevention and Treatment Plan, and notify and organize the personnel affected by the disaster to evacuate the disaster
Article 738 "coal mine safety," states: "Coal mining enterprises must strengthen the prevention and management of occupational hazards, occupational health and labor protection to do the work of the workplace, to take effective measures to control dust, toxic hazards -." There a
Mine engineering safety knowledge a) Minefield development 1. The coal field is divided into Ida The coal-bearing rock series with continuous development formed in the same geological development process, whose distribution is regularly ruled and basically connected into one piece, is called coal
After the battery of the electric vehicle is used for a period of time, the battery capacity will decrease. So, how can we make the battery of the electric car use a little longer? Let’s take a look at the small series to introduce how much electricity is needed to charge the battery car on
The trolley wires are mainly divided into single-pole aluminum trolley wire, single-pole copper trolley wire, steel body trolley wire, multi-pole tube type trolley wire, seamless wire, copper contact wire and other commonly used trolley wires. . Unipolar trolley line, multi-pole type trolley line,
The newly developed electronic skin allows the wearer to operate virtual objects without touching them, such as typing on a keyboard, or adjusting the dimmer by moving the wrist. Standard VR devices need to be able to see an object to track motio
In daily production, incorrect operation can cause a variety of problems, resulting in component wear and increased production costs. As a general-purpose first-class crushing equipment, what are the operational taboos of the jaw crusher ? Follow the small series to find out! 1 operation contraind
On January 18, 2018, the 3rd "Discover Trust - China Truck Users Survey and Selection" sponsored by China Truck Network held the award ceremony in Beijing. CNAC Lithium Power successfully won the "2018 Power Battery Promotion Award" award through the recommendation of the