How to use pesticides in greenhouse vegetables

Due to the special ecological environment in the vegetable shed, it is suitable for all kinds of pests and diseases throughout the year. To effectively control pests and diseases and cultivate high-quality and safe pollution-free green vegetables, it is necessary to use pestic ...more...

Antai Technology Co., Ltd. 2012 Annual Report Summary

Abstract Stock code: 000969 Securities abbreviation: Antai Technology Announcement No.: 2013-008 Aetna Technology Co., Ltd. 2012 Annual Report Summary 1. Important Tips This annual report summary comes from the full text of the annual report, investors want... Stock code: 000969 Stock abbrev ...more...

The difference between contactor and relay

The difference between contactor and relay The principle of the contactor is the same as that of the voltage relay, except that the load power controlled by the contactor is large, so the volume is also large. AC contactors are widely used as power breaking and control circuits. The relay is ...more...

Discussion on the Sustainable Development of Hardware Dies

With the precision of the hardware mold will be higher and higher. Ten years ago, the precision of precision molds was generally 5 micrometers, and it has now reached 2 to 3 micrometers. Soon, a mold with an accuracy of 1 micron will be on the market. This requires superfinishing. Metal pr ...more...

How to raise yellow thorn

Jin Hu, an alias of Huangshen Jinhu, is the most attractive type of prickly pear in the cactus family. There are also several major varieties in cultivation, such as white thorn Jinhu, mad thorn Jinhu, short thorn Jinhu, Jinhujin, Jinhuguan and so on. Jinhu origin and habits: Jinhu originated ...more...

Classification of porcelain pillows

Classification of porcelain pillows: Babe Pillow: The Song Ding kiln baby pillow that is now in the Palace Museum in Beijing is a valuable treasure. This pillow is a horizontal boy, surrounded by arms, lying on the wooden couch, with the head on the left arm, the right hand holding a hydrang ...more...