对于管内湍流对流换热实验关联式，加热流体时n=0.3。（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/d5826dfad3cf445e898b6a385b35c9ac.png
举一反三
- 对于管内湍流对流换热实验关联式，加热流体时n=0.3。（）
- 对于管内湍流对流换热实验关联式[img=156x27]1786941ffc1f931.png[/img]，加热流体时n=0.3。（） A: 对 B: 错
- 以下哪些图片可表示马太效应？ A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/9f53557496f648f294946ddeee28f835.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/fd1d1c8153324ff58fec7e98aafa4765.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/998d04a09cb545d1aa9cd734208a020f.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/c67cb20670694e0ea0e3e63a3d083975.png" />
- 下列结论不正确的是 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/903dc792ad1c4b8ba36246edced45e2e.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/b0d73b80b2734bb6b37cd96300e46fa3.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/b71e248464754f2f9cf39c6c2bef2a49.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/dc30dde832db4b9294ee2e29292180dc.png" />
- 在有机合成中保护羰基的常用试剂是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/371d833b0e4f4b089b6d370f81115237.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/f4e3ab0a87704e6e835c94027c494801.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/7c7c482b43fe422c88bdd075b3a0b984.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201810/a3a58d1832fd4ebdb3be9bc2dd9a1d01.png">