Alloy steel pipe plant: P22 alloy pipe material properties c…

Alloy steel pipe plant: P22 alloy pipe material properties The chemical composition of the most commonly used alloy heat-resistant steel, durable plastic is good, when the elongation reaches 3% -5% only began to creep the third stage. Widely used in thermal power, nuclear power, petrochemic ...read more...

Prevent vegetable infections from viral diseases

Vegetables such as peppers, tomatoes, eggplants, and Chinese cabbage are very susceptible to viral diseases, causing the plants to be deformed, longer and smaller, and gradually die. The traditional method of prevention and control is to find that the diseased plants must be immediately removed, an ...read more...

How does mango overcome big and small years?

Control the tip of the flower with a blunt blade in the smooth part of the trunk (tender skin) ring cut about 1 ~ 2 mm wide, deep into the xylem, use the brush to draw the flower king 2 cream smear ring cutting, so that the agent fully enter Cut the gap. The second time is used in the same way at a ...read more...