Xiong Lei, He Rucai, Long Zuhong, Xing Xinting Abstract: The working principle of the centrifuge is introduced. The mathematical model of the centrifuge acceleration is given. The uncertainty of the centripetal acceleration generated by the precision centrifuge is analyzed.
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In order to increase the egg production of hens, some chicken farmers randomly increase the amount of vitamins they supply. As a result, hypertrophy occurs in laying hens, which in turn affects the growth and production of laying hens. Addition of vitamins to layer chicken diets must be st.......

The “four water” plants are water hyacinths, water peanuts, water lettuces, and oleasters. These aquatic plants are rich in nutrients and are a good feed for pigs. However, long-term feeding of aquatic feed, pigs susceptible to ginger flukes, aphids, etc., thus affecting the pi.......

Water control during fertilizer fermentation Some of the customers of the Golden Baby who did not meet the ideal situation when using the raw materials for the treatment of organic fertilizers with the Golden Dolphin starter, complained about the quality of the prec.......

First, sheep house construction sheep house should be selected in the high dry terrain, drainage, sunny place. The sheep house floor should be more than 20 cm above the ground. Building materials should be sourced locally. The general requirement is solid, warm and .......

A wide variety of green leafy vegetables are introduced. Several common leaf vegetable fertilization techniques are introduced.

Fertilizer technology for lettuce

There are two kinds of lettuce leaves and stems, the former should be eaten raw, so called lettuce. The latter, .......

In most parts of the spring maize planted in the north of the country, precipitation during the April-May crop period was higher than usual, soil moisture was better, and the emergence (number and uniformity of emergence) was better than usual, and the density was reasonably increased. How.......