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  • Is stearic acid harmful to the body?

    Is stearic acid harmful to the body?

    Stearic acid, namely octadecanoic acid, has a simple structural formula: CH3(CH2)16COOH, which is produced by the crystallization of fats and oils and is mainly used for the production of stearates. Each gram is dissolved in 21ml ethanol, 5m...
  • 28 What are the production processes of traditional shoes

    28 What are the production processes of traditional shoes

    What are the production processes of traditional shoes(1) Seam craftThis is the traditional processing technology of 5261 Chinese shoemakers and the 4102 manufacturing technology of high-end shoes. 16...
  • <b>Tuning the surface gives variations to metal foils</b>

    Tuning the surface gives variations to metal foils

    Meanwhile, very thin foils/films can grow into different types depending on surface structures. As such, applications can vary. Great efforts had been dedicated to the synthesis of single crystalline metal foils as they have many important...
  • Maintenance methods and procedures for bearing wear

    Maintenance methods and procedures for bearing wear

    Wear of the bearings can be repaired in this way. The solution is: need to re-study the use conditions or re-select the bearing, observe the clearance and check the machining precision between the s...
  • How are the bearings insulated

    How are the bearings insulated

    The shaft voltage generated during the operation of the motor is a serious equipment hazard, and the shaft current formed by the shaft voltage seriously threatens the safe operation of the equipment.S...
  • How to clean the bearings What are the precautions for cleaning

    How to clean the bearings What are the precautions for cleaning

    First, when the bearing is removed for inspection, first use photography and other methods to record the appearance. In addition, confirm the amount of remaining lubricant and sample the lubricant bef...
  • <b>Aerogel: the micro structural material of the future</b>

    Aerogel: the micro structural material of the future

    Stable, well-formed microstructures The Empa team led by Shanyu Zhao, Gilberto Siqueira, Wim Malfait and Matthias Koebel have now succeeded in producing stable, well-shaped microstructures from silica aerogel by using a 3D printer. The prin...
  • What are the common bearing faults

    What are the common bearing faults

    In the process of using bearings , failures may occur due to various reasons, resulting in the equipment cannot be used frequently. So what is the cause of the bearings problem? Here are six common failure situations encountered by bearings...