After the window glass is damaged, it is necessary to change the glass with the same curvature as the original window glass, and at the same time check whether the glass guide groove and the sealing strip are damaged. Since the windows do not always return to their original shape after repair, it
A few days ago, the "Implementation Plan for the Accelerated Elimination of Yellow Label Vehicles in Ningbo City" and the "Implementation Measures for Ningbo City to Encourage Yellow Label Vehicles to Eliminate Government Reward Subsidies" were introduced. Ningbo City will basic
In addition to discussions and research on issues such as automobile sewage charges and parking fees during the Beijing 2014 two sessions, Li Kunsheng, director of the Vehicle Emissions Management Office of the Beijing Municipal Environmental Protection Bureau, said that this year Beijing will foc
The corrosion of the tooth surface is mainly caused by the corrosive additives added to the oil. If you simply pursue the extreme pressure of the oil and do not pay attention to the corrosion of the oil to the metal, the extreme pressure anti-wear agent with excessive activity will cause tooth surf
The official policy of subsidizing LED equipment in the mainland has caused the global annual increase of 1,000 MOCVD equipments to become the source of industrial collapse. Until now, it is still in the stage of capacity digestion. However, the new round of subsidy policy is good news. The widower
The track car was used to record the shape parameters of the track and the irregularity data of each direction, and these parameters were input into the vehicle dynamics model for calculation and solution. When solving, take full account of the vertical wheel-rail additional force due to vehic
Recently, it was learned from the Jiangsu Province Machinery Industry Association that Xichai's “4DX National 4 Series Diesel Engine Development†won the 2013 Jiangsu Machinery Industry Science and Technology Progress Award. The 4DX four-country diesel engine independently d
Polycarbonate has good heat resistance and can withstand high temperature steam and gamma radiation sterilization process. Recently, WHDentalwerkBrmoos of Germany introduced a new medical searchlight device. The device contains a pigmented PC (polycarbonate) filter, carefully crafted from Bayer Mat
Extruders are generally classified into single screw extruders, twin screw extruders, and multi-screw extruders according to the number of screws. The screw extruder consists of a plasticizing system, a heating and cooling system, a transmission system and an electrical
In the past year, what kind of voices in the LED industry have been: praise, criticism, good words, bad words, but the controversial 2013 has passed, and 2014 is the test of LED companies and bosses. In the year, 2014 will have more challenges waiting for the bosses to think and solve. First, the