Spark direct reading spectrometer to solve the quality problems of precision castings Precision casting processing margin. Due to the lack of scientific design guidance, process designers can't control the deformation problem with experience, and the machining allowance for casting is usually 1-
On August 29, Weichai Power Co., Ltd. used the simultaneous release of video conferences in Hong Kong, Beijing and Shanghai to hold the first-half performance report. Data show that after the merger of the Hunan Torch, Weichai Power's performance has soared in the first half of this year, with
Recently, the TFT-LCD production line of Truly Semiconductor Co., Ltd. was completed and put into production, which means that China has the first TFT production line designed and independently controlled by the Chinese. At the same time, this is the first TFT-LCD production line i
Siemens A&D develops a new IEC low voltage motor with an aluminum housing. The new 1LE1 series of new motors offer EFF1 and EFF2 efficiency. The high-efficiency EFF1 motor is highly efficient by using a copper rotor and is therefore extremely compact, making it ideal for applic
1. Careless seed selection Because the current system of seed breeding is not yet perfect, unqualified corn seeds still occupy a large proportion. Some peasants are greedy for cheap, and purchase so-called fine varieties at low prices from small traders or informal seed management depart
EGR pain period has passed, restructured teeth, and MAN cooperation ... China's heavy truck has a huge room for improvement. Driven by the continuous growth of the macro economy and the drive of the residents' policies, the investment opportunities in the auto industry are clearly favorab
The use of acidity meter pH meter referred to as the pH meter consists of two parts: the electrode and the electricity meter. If the electrode can be properly maintained during use, the standard buffer can be prepared as required, and the correct operation of the electricity meter, the pH
Chinese auto parts suppliers face many difficulties and challenges. Many companies are simply part manufacturers rather than suppliers. Such as cultural, logistics, legal, quality certification systems, global political environment, and economic environment, etc., all need to be overcome and resol
Reporters from the end of Shenyang in the first session of the China Ground Source Heat Pump Technology Application and Development Forum, experts at the meeting pointed out that the application of ground source heat pump technology has become a hot topic of building energy conservation, will be vi