In order to improve construction safety, to prevent accidental revealed in the construction of the coal layer, cause accidents, especially the development of this measure. I. Overview of engineering design The main water tank is arranged at the +805 level of the auxiliary shaft yard, and the tail

The radial leakage model radial leakage model is also diverse, including the small hole leakage model in tangential leakage, the Fanno flow model and the pure gas two-dimensional NS equation model are also applicable to radial leakage, the principle and calculation method steps. They are all the

Model NO.: Investment Casting

In recent years, we have seen the rapid development of science and technology in our great motherland. This made me feel extremely proud for me as a Chinese. With the advancement of technology and the progress of people, we will join the Chinese cutting machine trading network to ma

A. The gear oil pump has a higher rotation speed than the Roots oil pump compared with the Roots oil pump speed. The theoretical rotation speed of the gear oil pump is 960 r/min--1450 r/min, and the theoretical rotation speed of the Roots oil pump is 50 r/min--500 r/min. B. The difference

The license plate recognition parking system is currently considered to be the most convenient set of equipment used in the parking lot, eliminating manual management and increasing the speed of vehicle traffic. However, many people may not have thought of the license plate recognition parking syst

When the velocity of the measured medium in the target flowmeter pipeline is zero, the instantaneous value of the flowmeter indication is not zero. The main reasons for this phenomenon are: a. Before and after the installation of the flowmeter, the horizontality is inconsistent. As a result, the

Iron ore body located in a marble and diorite contact zone, or within the vicinity of marble, metal contacts skarn deposit account, showing a large lens. The ore body is buried shallow, 58-162m, gradually thickening from northeast to southwest. The ore body is roughly horizontal along the lower sid

Immediately one year later "315", CCTV's party did not know that everyone's concern was not high, which car companies will be on the list to estimate consumers have a few hearts. In the past year, what issues such as "accelerator throttles", "airbag doors", &q

[Chinese instrument network meter patent] creative limit, instrumentation invention. Today we introduce a national patent for invention—a new type of intelligent water meter for automatic cleaning. The patent was applied for by Anhui Wingmai Technology Co., Ltd. and was authorized to be ann

What is the difference between SLR cameras and digital cameras? Single-lens reflex is single-lens reflex, or SLR (Single Lens Reflex), which is the most popular viewing system available today. Most 35mm cameras use this type of viewfinder. In this system, the unique design of mirrors and prisms a

Gold processing equipment of new technology to meet customers different requirements, with a variety of gold beneficiation process, development and success of the leaching of gold flotation desulfurization process has been very good application in practice, and effectively improve mineral grade and