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Essential equipment for raising pigs

For pig farmers, many people are confused when buying equipment, and don't know which one is easy to use. Let's discuss the most common and necessary equipment for pig raising: feeding, drinking water and pens, heating and ventilation equipment, etc.

Roller conveyors Shot Blasting Machine Sent to USA

Clarifying how lithium ions ferry around in rechargeable batteries

Although most of our electronic devices, like mobile phones, laptops and electric vehicles use lithium rechargeable batteries, what is going on inside them is not fully understood

The Soil Stabilization System Tells You That The Silt Solidifies In Just 3 Hours

The Yellow River is the mother river of the Chinese nation. It has entered the sea from Dongying, Shandong Province since 1855. The Yellow River flows through the Loess Plateau, carrying sediment along the way to the sea, and deposits in the depression of the Bohai Sea to form an alluvial plain. The rate of silting out new land at the mouth of the Yellow River is about 30 square kilometers per year, and the annual land area is more than 1,000 hectares.

Classification of locks

In terms of door locks, they are divided into door locks, bedroom locks, channel locks, bathroom locks, etc; According to the shape, it is divided into ball lock, handle lock, plug-in lock, dead lock, etc.

The preparation process of hydroxyethyl cellulose

Alkali cellulose is a natural macromolecule. Each fiber-based ring contains three hydroxyl groups. The most active hydroxyl groups react to form hydroxyethyl cellulose. Soak raw cotton linters or refined pulp in 30% liquid caustic soda, take out and press after half an hour. Squeeze until the ratio of alkaline water reaches 1:2.8, and then pulverize.

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