["
Thread Content
选择题：N2的临界温度是124K，如果想要液化N2，就必须：（ ） A.在恒温下增加压力 B.在恒温下降低压力 C.在恒压下升高温度 D.在恒压下降低温度 答案：D 提示：答案回复可见 化工设计+VR
本帖最后由 飘过_WEWJ 于 2019-2-27 09:08 编辑 D,A应该也可以，只要压力足够大。
A.在恒温下增加压力
N2的临界温度是124K，如果想要液化N2，就必须：（ ） D.在恒压下降低温度
**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections
Submit Request — Free ConsultationThis is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.