Research on Excitation Control Technology of Variable S…

With its pollution-free and renewable nature, wind power has been widely recognized by countries all over the world and has developed rapidly in recent years. The variable-speed constant-frequency wind power generation system with double-fed motor has significant advantages compared with the trad.....

How to rent a rental car

When RV trips have become the latest wave of travel , how can rental cars gradually become a problem for many people? Leasing company? Or a dedicated car rental website? Looked very professional, but reliable? Will the late fees and services keep up with it.....

Idle gear cold extrusion process and die design

The idle gear is a key component on the Yellow River-Kawasaki 250 motorcycle. Its material is 20CrMo. The shape and size are as follows. The part has three internal teeth evenly distributed on the inner wall. The tooth length is 20mm, the tooth thickness is 5mm, and the tooth width is 9.5mm. Conven.....

LED drive power "M&A cross-border wind up"…

In the first quarter of 2017, the company's performance was still in a slow growth state, in which the sales revenue of LED driver power in the first quarter was 141 million yuan, up only 2.17% year-on-year; other business income was 71.073 million yuan (mainly for housing leasing and related pr.....

Opportunity: The profound changes in the development en…

[ China Agricultural Machinery Industry News ] It is understood that there are currently 6 agricultural machinery production enterprises in Xi'an, employing 1,063 people, 6 agricultural machinery distribution companies, 221 agricultural machinery distribution points, and 558 related employees. .....

Eyes of self-driving cars: Bosch partners with partners…

When the sun is in a lower position, the driver often has a sudden and visually limited feeling. The glare from the sudden exit of the tunnel in sunny weather can lead to a brief blind drive. Flickering or poor lighting conditions not only affect the driver's vision, but also affect the v.....

Analysis of Common Failures of Optical Fiber Online Las…

Introduction: Nowadays, marking the products is an indispensable part in the packaging field. The effectiveness of the printing has become an effective basis for reflecting the quality of products and displaying corporate image. Laser inkjet printers have been widely used in domestic and f.....