The evaluation of the role of the shield winding in the current transformer for generator protection during short-circuit fault (Shenyang Transformer Co., Ltd., Shenyang 110025, Liaoning). China Classification: TM452: A 1 Lulu Due to the large rated current of large generators, the phase-to-phas

With the gradual depletion of zinc concentrates, people are paying more and more attention to the development and utilization of low-grade zinc oxide ore. Yunnan LANPING been proven alkaline metal zinc zinc reserves 12898000 t, average grade of 5.74% zinc, low grade oxide ore wherein the ore and mi

In the magnificent 2013, lighting brand companies have to say that they have spent the wars of price wars, channel wars, and promotion wars. In the acceptance of the challenges of the lighting market, some lighting companies appear exhausted, and some companies are fortunate to find a way to develo

Model NO.: M6-M36 Name: Stainless Steel 304 Long Hex Coupling Nut Grand: A2-70,A4-80

“In the first half of the year, the sales of the internal combustion engine industry fell 4.68% year-on-year, and the overall decline in diesel engines was as high as 18.74%. Although the overall decline is stable, there are also many bright spots in the economic operation of the indus

March 5, 2017 Vocational and Technical Competition in Vocational Colleges in Anhui Province (Vocational) Internet of Things Technology Application Competition started in Hefei Vocational and Technical College. 63 players from all vocational colleges in the province will start their race in the sti

RFID Overview: RFID Radio Frequency Identification is a non-contact automatic identification technology that automatically identifies target objects and acquires relevant data through RF signals. Short-range radio frequency identification does not require manual intervention, and is not afraid