A new chalcogenide glass system containing higher content of alkali metal ions was developed.开发了有高含量碱金属离子的新型硫化物玻璃.Using such methods a conductive layer can be formed on the doped chalcogenide layer in situ.利用这种方法,可在该掺杂后的...
型捣固机适用于铸件、混泥土 、 砖呸的捣固.The D type tampers machine is applicable to mix muds, brick and molding pieces.并基于莫尔 - 库仑理论探讨了捣固压实的机理.On the basis of the mohr - coulomb's theory, compacting mechanism of tamping is discussed.D...