对于有限空间自然对流，当竖直夹层内的，其热量传递形式为：https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/ed536d7114ac4b3aa97e8addf79e8684.png
举一反三
- 对于有限空间自然对流，当竖直夹层内的，其热量传递形式为：[img=87x23]17a410be64a68bb.png[/img]
- 在定温边界条件下，稳态、无内热源、导热系数为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/bf35cea9e03449f0b64673e21dbdde56.png" />、内外径分别为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3323de11627a4f51bc7b1fff540dcfef.png" />和<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/675dd37c97db44a7a723838858eab505.png" />、长度为l的单层圆筒壁的导热热阻为（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/892cb3300ea148d994377392a697acb0.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7003425fa14a44d5aadbb9040240edca.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/040ff55c3a244877a0b06faf6042f47a.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/b5d2a5ed4d644ae6b2dab35d2ed8f3e5.png" />
- 线性谐振子的第一激发态的波函数为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/aab7a58985f443ed91a9f4036d4b56dd.png" />,其位置几率分布最大处为 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/44c963c6379540a099bfd79da6501b42.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/dff9139c15174797b8b68ef230d1ee90.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/ad088197932f430db9416ebf9d5b47fa.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/17949074010c4d44ad48b416055aaa86.png" />
- 在体积V内理想气体的配分函数是（） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f06f3edbc1e2490db16ddf913dd8567e.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f3bd5d2ed5784896920511b072867fb2.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/daf559fcf21a48b584a41773e83704ef.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/50e30867ae3f46e2b36a482a15bc0c39.png" />
- 体系处于<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7bae90aad0f0442d9d6adf4ff4c69c2c.png" />状态,则体系的动量取值为 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/156065cb1de5431a9a2ea0b029f26f79.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/627120343f054317828addfe01200e5b.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/09f88938fc6f43a0819284117c0b14fa.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/2311487532fb45c789f7dce939291db1.png" />