The paper presents the construction,main technical performance parameters and basic design principles of a new PKXF type adjustable energy-saving gap and vortex deoxygenization sprayer.
Taking the modern sea battle as background, the technical performance parameters and campaign process of underwater acoustic counter participator are studied.
in this Paper, the "micro-Pump" e//ect mechanism o/ expanded Sha/e ana its influence on the Structure formation and mechanica/ Properties of the Concrete Were discussed in detai/.The cpmp/ex absorption Phenomena exhibited by /ightweight aggregate in Various conditions Were Studied.The Classes of the opcn-Capi//flry pipes the Parameter- "Se// Vacuum" (or "absorptive Pressure" )and Hsmeasure deViceand measure method Were Suggested.
The author gives a brief account about the 108 ton electric wheel truck manufactured in China. The development, the major technical performance parameters, the strucutres of various parts, operation principles, and the test of the whole unit are described. An evaluation of the turck was also made in accordance with the test results herein.