Many people think that planting crops is to manage water and fertilizers. As long as the water and fertilizers are managed properly, there will not be much problem with the growth of crops. Increasing production and income is just around the corner. There will be direct or indire…

Nowadays, environmental protection and …

With the increasing importance of coal mine safety management and the advent of the era of smart mining, more and more products and technologies with modern technology have been applied to coal mines, which has brought new models and opportunities for coal mine safety management. Its most imp…

Biden's low-key and briefness did not clearly elaborate on his philosophy of governance. The left felt that he had not solved the problem in the core political circle for 40 years. The right was worried that he would obey the ultra-leftists, and the choice of vice preside…

US Tire Industry Network reported recently that the world's 75 largest tire manufacturers' total sales of tires in 2011 increased by 22% from the previous year, most of which was stimulated by rising raw material costs, allowing higher wholes…

The Wiegand protocol is an internationally uniform standard and is a communication protocol developed by Motorola. It is suitable for many features of card readers and cards involving access control systems. It comes in many formats, and the standard 26-bit should be the most common format. I…

The core strength of FAW Jiefang Engine Division--- Xichai , which was founded in 1943, is the oldest diesel engine brand in China. In the 76 years of development, it has created many domestic firsts, such as the birth of China. The first "no steel …

Abstract: This paper mainly discusses theoretically some common token networks, Ethernet and FDDI in DCS communication networks, analyzes their advantages and disadvantages according to the requirements of industrial control, and finally publishes the author's personal opinions on the devel…

In May 2011, China's auto companies exported 72,100 vehicles, which accounted for 5.3% of the vehicle's output in the month, an increase of 6.79% from April, and a year-on-year growth of 53.03%. Export volume exceeded that of March 2008 and reached a record high.

Among th…