17.The paper introduced the synthetic process of the flame retardant and lubricant Melamine Cyanurate Acid(MCA),which was prepared by Melamine and Cyanurate Acid.
18.Afterward, he faces the orbital compartment solid lubrication material testing sample installment place to move slowly, the recaption sample, gives astronaut Liu Boming.
19.Taking power law index non-Newtonian fluid as an example, a method of solving non-Newtonian three dimensional thermohydrodynamic lubrication of journal bearing is introduced.
20.In China, research of this gas-film lubrication theory is not yet perfect, and the research of triturating detection device using the theory is yet in blank.