Influence of the light source on exposure time: During the exposure of the screen, the photo-curing reaction of the emulsion is similar to the curing reaction of the UV ink or other ink on the substrate. The screen emulsion is sensitive to the wavelength of the mixed spectrum of UV light and blue-vi ......
In 2014, various localities and departments insisted on promoting reform and promoting development through opening up, accelerating the construction of a new open economic system, and solidly promoting various tasks and achieving positive results. The import and export of foreign trade grew steadil ......
On November 17, 2014, Dongfeng Yufeng's latest model, the bucket truck, was officially delivered to three units including the State Grid Gansu Electric Power Company and delivered a total of 14 vehicles. This is Dongfeng Yufeng's first batch of collective orders for construction vehicles. ......
The screw compressor is a high-speed rotating mechanical device. Metal will inevitably generate friction during high-speed rotation. If there is no oil separation in the friction part, the direct contact of the iron will cause them to wear each other. In severe cases, the equipment will be scrappe ......
The pre-examination meeting of the self-regulation standard for the technical specification of “Environmental-type tire reclaimed rubber†organized by the China Rubber Industry Association Waste Rubber Comprehensive Utilization Branch was held in Tianjin Haifu Xindu Hotel. The meeting ......
As a major engine manufacturer in the commercial vehicle industry, Weichai Power Co., Ltd. (hereinafter referred to as “Weichai Powerâ€) has been paying close attention to “the power rating of commercial vehicles that I trustâ€. In the fourth selection, Weichai brought ......
The global LED packaging industry market report pointed out that in 2014, the LED packaging market output value reached 14.6 billion US dollars, and in 2015 it grew slightly to 15 billion US dollars. The annual growth rate is only 3.2. LEDinside research associate manager Yu Chao said that the LED p ......
Recently, Kaveh Zahedi, director of the Asia-Pacific Regional Office of the United Nations Environment Program, said in an interview with reporters that the promotion of efficient lighting is of great significance to countries that rely on fuel imports for power generation, helping to reduce electri ......
Through years of use and practical experience, I have done some research on the faults that often occur in CNC wire-cutting machines and the elimination. Faults and exclusions caused by the main components of the machine tool The installation of CNC wire-cutting machine tools is higher than that of ......
[China Instrument Network Industry Focus] The emergence of a new type of smart meter measurement system has realized the collection of electricity consumption information, met the demand-side management of the electricity side and other technologies, and has become an indispensable tool for the deve ......