水样中的无机物、常见的有机磷农药(乐果、甲基对硫磷、马拉硫磷等)对元素磷的测定都有一定的干扰。
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Which three statements are true when the listener handles connection requests to an Oracle 12cdatabase instance with multithreaded architecture enabled In UNIX?()
A. Thread creation must be routed through a dispatcher process
B. The local listener may spawn a now process and have that new process create a thread
C. Each Oracle process runs an SCMN thread.
D. Each multithreaded Oracle process has an SCMN thread.
E. The local listener may pass the request to an existing process which in turn will create a thread.
证券公司应当自每月结束之日起()个交易日内,向证监会、注册地证监会派出机构和证券交易所书面报告当月的融资融券业务客户的开户数量。
A. 3
B. 5
C. 7
D. 10
按照信息的()划分,市场信息可分为决策信息,控制信息和业务信息。
电潜泵装置主要有三大部分:()、保护器、潜油电动机和附属设备组成。
A. 电机
B. 电泵
C. 多级离心泵
D. 抽油泵