Dryers are widely used in building materials, metallurgy, chemical industry, cement industry to dry slag limestone, coal powder, slag, clay and other materials. The mine dryer has the advantages of excellent production, stable performance, advanced technology, high output, low energy consumption, sm
Read moreCommon instrument room centrifuge usage rules: In order to maintain the cleanliness of the centrifuge room (hereinafter referred to as the room) and ensure the efficiency and safety of the centrifuge, special rules must be established. When the centrifuge is pre-cooled, close the lid of the centri
Read moreFirst, Putian choice and the whole field: Lotus lotus stem is relatively weak, the resistance to wind and waves is poor, strong winds and waves easily break the stem, affecting the growth of lotus root, resulting in reduced production. Therefore, it is advisable to choose sheltered wind, gentle wat
Read moreThe drying of the heat pump dryer is an indispensable processing process in many industrial production and agricultural and sideline products processing. As people's quality of life progresses, awareness of environmental protection is growing and the reserves of non-renewable energy sources (suc
Read moreOne depends on soil fertilization: different types of trace elements contained in different soils are not the same, only to understand the lack of a certain element in the soil, the corresponding application of a certain element of fertilizer can be effective. At present, the soil content can be d
Read moreTo make good use of "three fats," Zhuang Zhuan Zeng Mian for the early generation of sesame seedlings, Zhujian Jianmao, the individual plant Mutants, must be applied "three fertilizers", namely the base fertilizer, top dressing and root spray fertilizer. Base fertilizer can be s
Read moreThe culture mode of Penaeus vannamei is still the traditional breeding mode. With the further development of breeding, its drawbacks are increasingly manifested. The traditional breeding mode has been difficult to significantly increase the yield per unit area, the comparative efficiency of breedi
Read moreDifferent types of vibrating fluidized bed dryers: (1) Single-layer fluidized bed dryer: The single-layer fluidized bed dryer has simple structure, convenient operation, large production capacity and wide application. It is generally used in the case where the bed particles are at a standstill heig
Read moreDo soil preparation to choose the leeward sunny, deep fertile soil, well-drained sandy soil land as a seedbed. Apply 2000-3000 kg of acre per acre, deep plowing, spraying general tree maintenance and disinfection, reduce the source of pathogens, after the site preparation to do, and 1 meter wide.
Read moreIsolation of human prostatic epithelial cells 1. A small piece of tissue from each specimen was removed and minced. 2. The tissue was digested with collagenase overnight. 3. To remove the collagenase and the majority of the stromal cells, the tissue was rinsed and centrifuged. 4. The tissue was
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