The continuous improvement of new laser technologies, new applications, and existing technologies continues to change the pattern of the laser market. However, fiber laser marking technology still has rapid development in China and even the whole world. Fiber laser marking machines
Pressure system main performance index identification Core Tip: [Tags: SY_Introduction] The pressure control system consists of a pressure/vacuum sensor (inlet), a pressure control instrument, and an adjustable-diameter throttle valve in parallel with the main valve at the inlet of the vacuum pu
Ankerui Qingqing Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd. Jiangyin, Jiangsu 214405 Abstract: Based on the current rapid development of science and technology, people rely more and more on power resources. At this stage, the operating costs of domestic power systems are relative
Tests of locomotives that have experienced crankcase explosions and further expansion to all ND2 locomotives in the entire segment indicate that there is high pressure in the crankcase during normal engine operation. If the ND2157# locomotive is tested on-line, the oil pressure in the crankcase i
The growth of crops in arid and semi-arid areas is limited by water, and the effective use of water can increase the yield of crops. Therefore, reasonable water and fertilizer management measures must be taken to fully understand the dynamic changes of farmland soil moisture, and provide
As a search engine giant that has been doing driverless research since 2009 (cross-border enough), Google launched a new generation of driverless car prototypes this year, based on the intelligent transportation hub tool Pod Car. The traditional steering wheel, brake/gas pedal and assisted drivers
Measurement of magnetic field distribution in a high-vacuum absorption cell using sweep-frequency fluorescence Core Tip: [Tags: SY_Introduction] The magnetic field gradient measured by sweep-fluorescence method is about 40% larger than theoretical calculation, which is beyond the scope of experi
I. Overview The GDF-Series Microcomputer Excitation Controller only needs one button to start, and it can realize full automatic excitation control and unattended operation! The GDF-5 Excitation Controller is a new version of the 2014 high-voltage excitation controller that corrects older softwar
Overseas media reported that Audi will open a four-door concept coupe at the Los Angeles Auto Show in November to lay the foundation for the creation of the Audi A9 flagship car and showcase the design direction of all Audi models in the future. At present, Audi has not revealed the name
The spatial variability of soil nutrients, which is one of the important properties of soil, is known. This is a result of factors such as soil type, topography, parent material, land use patterns, and human-farming management. Taihu Lake Region is one of the major rice producing areas in
On September 17, 2014, Shell's unified new generation “Heeneng 678 Series†new product promotion conference was successfully held in Chengdu, Sichuan. With the full assistance of local distributors, this promotion will showcase the newly upgraded “ HeNeng 678 Series â