According to crushing raw material
If it is a powder with oily and fibrous materials. For example, fried soybeans, dried peppers, peppers, natural, Chinese herbal medic…
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Summary
Ultrasonic-assisted Soxhlet extraction was used to optimize the extraction process of se…
Farmers in Shicheng County of Jiangxi Province began to plant tobacco leaves since the Qing Dynasty. However, traditional tobacco farming relies mainly on manpower. Although the benefits of tobacco farming are good, the physical …
When the agricultural motor is in normal operation, the sound is smooth, brisk and uniform; if there is a harsh noise such as screaming, dullness, friction, vibration, etc., the motor has a fault. First of all, it should be judge…