The electric heating sandwich pot uses heat-transfer oil as a heat source and has the advantages of large heating area, high thermal efficiency, fast heating of materials, uniform heating and easy control of heating temperature, .......
The hatching rate of ostrich eggs is a comprehensive indicator. There are many factors affecting it, but the most important is the quality of ostrich eggs and the management of hatching period. Grasping the following points, the .......
Recently, the "Quality Control Technology Research on Apple and Its Fruit Juice Safety Production" passed the acceptance of the expert group, which marked the important achievements of the Northwest A&F University i.......
Γ-polyglutamic acid (γ-PGA) is a bio-safe hydrophilic macromolecular polymer with emulsification, thickening, film formation, moisturizing, flocculation, adhesion, non-toxic properties, etc. In the fields of daily necessit.......
1 The clutch operating handle should be placed in the disengaged position before starting the diesel engine. The push-type clutch should pay attention to make the belt in the maximum relaxed state; the tapered atmospheric-pressur.......
The quality of production also has a great impact on process adjustment. Constant conditions can maintain process stability and product stability. PET bottle blow molding is generally preferred at room temperature and low humidit.......