With the deepening of the bus reform, a few days ago, the Central Government Organs Government Procurement Center (hereinafter referred to as the "Procurement Center") issued the "Notice on the Relevant Matters Concerning the Fixed-Point Procurement of Vehicle Rentals …

Car purchase energy subsidies have been implemented in most of the city's car dealers Recently, the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Finance jointly issued a new round of "energy-saving products Huimin …

As the largest automobile production and processing area in Hubei, Wuhan Development Zone actively expands the automobile industry chain and brings together dozens of auto parts production giants in the region. Nearly half of the top 20 auto parts companies in the world gather in Wuh…

After having the basic understanding of the thermocouple thermometer, the most need to grasp is the installation of the thermocouple thermometer. Only after the correct installation, can we operate the thermocouple thermometer correctly, then we all know that the thermocouple thermometer What a…

This year, 20,000 old yellow-label vehicles were eliminated. The main pollutant emission reduction is a rigid indicator issued by the state. In response to the severe situation of pollution reduction in our province, the provincial government today held a special conference on the ma…

In the process of agricultural development, the use of water to improve the utilization of water resources has been studied and discussed in recent years. However, a large number of experimental data show that after the improvement of irrigation technology, new changes have taken pla…

Lighting products have shifted from the traditional to the emerging LEDs, which have been ups and downs and have been suspected. With the maturity of the technology and the stability of the market, LED products have long been the trend of the times, gradually occupying all areas of lighting. Ho…

Existing old machine tools and robots need to be modified. The machine tools and robots need components and CN systems. Each year, different systems need more than 270,000 sets.

In 20 years, the output of gold cutting machine tools is 177,000. Among them, the machine tool output is …

In the first half of the year, the LED industry achieved an average net profit growth of over 50%. According to the analysis, as the third light source revolution after incandescent lamps and fluorescent lamps, LED lighting has been supported by major countries and regions in the world. At pres…

1. Crystals and crystals In general, we call crystals and Oscillators both crystals. This is not an appropriate name.

The passive crystal is a non-polar element with two pins, as shown in Figure 1(a). In normal operation, an external circuit is required to generate an oscillating signa…

Analyze the flow and temperature of the heat sink surface. The plate-type heat sink is composed of independent and parallel oil flow channels, and each channel has three connected small channels. The overall length of the sheet is a simplified slice-type heat sink model. The simulated dat…