existing vacuum

Results According to the CT findings of the 94 cases processus articularis arthropathy,CT signs and the syndrome of this disease were summarized five types:①zygapophyseal hypertrophy and osteophyte formation;②stricture or asymmetry of articular space ;③vacuum phenomenon of articular space ;④pachynsis or calcification of articular capsule ;⑤articular instabili.

结果　通过 94例关节突关节病的CT所见 ,总结出 5项主要征象 :①关节增生肥大及骨赘形成 ;②关节间隙狭窄或宽窄不等 ;③关节间隙内真空现象 ;④关节囊肥厚或钙化 ;⑤关节不稳。

By use of vacuum organic adsorption and infrared spectrometry, the authors studied the characters of vacuum organic adsorption of hexane, ether and pyridine (their dipole moments are very different: hexane is 0, ether is 1.

利用真空有机吸附和红外光谱分析法 ,研究了几种纤维矿物粉尘对不同偶极矩的正己烷 (偶极矩为 0 )、乙醚 (偶极矩为 1 。