三硝基三叠氮苯的摩擦感度和冲击感度比雷汞低.Trinitrotriazidobenzene is less sensitive to impact and friction than mercury fulminate.雷汞中可能含有微量的乙二酸汞.Mercury fulminate may contain trace of mercuric oxalate....
Independently, local transactions are executed under the control of the local DBMS.在多数据库中,全局事务是在MDBS的控制下执行, 局部事务在局部DBMS控制下独立执行.Microsoft Visual FoxPro 6.0 is an excellent small database management systems ( DBMS ).Micros...