• 2022-06-27
    配位滴定中能够准确滴定的条件是配合物的稳定常数()
  • 举一反三

    内容

    • 0

      <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/f9d435b7e7604d1894a0359bb77eb2cc.png" >可写成以下正确的的表达式是() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/e68f9f4bb1b640068bd1c9e988b3feca.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/1b379e5c6cd74b5da61e39e4ca32ad22.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/44f6ba8e2d6448f4bec35063ad0f689f.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/e25be7e84d1e4f358bb44dacefafd393.png" >

    • 1

      假定<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/71458e4f29a24928a4ad4d36e72ec6b9.png" >,以下关于z变换的性质描述,正确的是:() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/545e8d644963417494a94eec7ae1bf50.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/04445d84fa3443968231a11a580079e2.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/5599b26833e546dfa3ab9c1c656c6581.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/fcc7d5135a714189b801863712e6b7f5.png" >

    • 2

      下列表达式正确的是() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/8c6704bb98b243b2a073149003ccd14d.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/538f492f0c844dfd95e11418fb2301fd.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/f03bb7b7f982489bb62780052c90f61c.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/0698ff5878ce447c801f7a69c87382b8.png" >

    • 3

      以下属于颤音记号的是()。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/f812833f27604d518ce38b4ba7107b18.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/8b8f5045cd4a446c954125f4a76b79c4.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/251a6c3875e34720891d24c1e2eb6b20.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/51de6694bff34044808b1c54cb2a655f.png" />

    • 4

      下列各表达式不正确的是:() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/3a28e3d5f36c4ef7819646bce49b8edf.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/1a6627e1deba4bd1a1b4b3b05a197bbc.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/98ab6999f98249bbbc3603d54db09a2d.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202002/dc1e9a6919a54bcaa28e1f8b876967de.png" >