4Extend the paternity powder time and increase the maternal density In order to prolong the pollination time of the male parents, seedlings of inconsistent size should be left on the male parent. It is also possible to adopt a two-stage male parenting method, that is, to broadcast the m

Relevant information shows that from January to October, Yangzhou City exported a total of 441 batches of diesel generators, with a value of 31.146 million US dollars. The batches and goods value increased by 50% year-on-year. The products are mainly exported to Russia and other European cou

Shao Qihui: Deep Thinking on the Financial Crisis This year's annual meeting was held in a very special environment. The auto industry is facing a severe test due to the impact of the global macro economy. This global financial crisis was the worst since 1929 and may even exceed the impact of

The reporter recently learned from Weichai Power Sales Company that due to the self-developed LanQingGuo three-engined high-pressure common-rail engine, which has powerful intelligent control functions, Weichai Power has built on this basis the United Nations internal and external partners and dev

In an instant, the State III emission standards have been officially implemented for more than two months. Although the debate in the commercial vehicle industry on how to deal with the country III should continue to be controversial, but the market is not waiting for people, customers are making

On November 12, 2008, the 2nd China International Auto Parts Expo (CIAPE) was grandly opened at the China International Exhibition Center (New Hall) in Beijing. It is understood that more than 1,000 exhibitors from 27 countries and regions around the world participated in the exhibition. On

In China's auto parts industry chain, especially high value-added and high-tech parts such as automotive electronics, China's domestic parts and components manufacturers are unable to compete with foreign companies because of their backward technology. Most of the import and export a

1 Introduction Non-circular CNC turning is an effective method for achieving high efficiency, high flexibility, and high precision machining of non-circular section parts. The core of non-circular CNC turning is the high-frequency response high-precision linear servo unit that drives

Screw pump is a positive displacement rotor pump, which is composed of the pump screw tooth shape and the formation of a plurality of sealed chamber displacement to suction and discharge liquid. There are no theoretical leakage channels between two adjacent sealed chambers in the screw pump, which

Coal tar contains a large number of aromatic compounds that can be used as intermediates in chemical, pharmaceutical, and material industries. Light oil, phenol oil, naphthalene oil, wash oil, and eucalyptus oil fractions can be formed through the initial distillation process. Tsinghua University h

Meitong Machinery Rubber Asphalt Equipment Construction Site On November 17th, 2008, the construction site of the Meitong Machinery Rubber Asphalt Equipment was very lively. There are experts who have been engaged in the Chinese highway industry for many years, and there are customers who come fro

According to statistics, there are currently more than 5,000 1-3 types of vehicle maintenance in Hangzhou area. With the development of automobile supply and social and economic changes, many vehicle maintenance companies are facing the severe challenges posed by the organizational economy.