sealed tubes

英 [siːld tjuːbz]

美 [siːld tubz]

【医】熔封管，封闭管

Samples of five sets of different mole ratios of the catalyst and caprolactam were sealed inseparate tubes and heated at 230 ± 1 ° in a specially designed tube furnace.
分别以五种不同量的6-氨基己酸为催化剂于230±1°在封管中进行己内醯胺的聚合。
Sealed Neutron Tubes for Well Logging
测井用系列密封中子管
The sealed drying furnace employed for manufacturing of hot galvanized steel tubes is described in details, covering such facets as the features, main technical data, configuration of the furnace proper, the heating control system and the walking beam conveyor, etc.
介绍了热镀锌钢管生产中封闭式干燥炉的特点，干燥炉主要技术参数及炉体的组成，加热控制系统和步进式输送机的应用。
First, various content of arsenic in the Ge-As-Se systems was made by sealed quarts tubes.
首先采用石英管熔封制得了不同砷、锗含量的Ge-As-Se块状玻璃，并测试了其相关性能；
The whole body internal system was sealed in mold made of silicone, and wires were wrapped with silicone tubes. Finally, animal experiments had been completed.
体内整体利用硅橡胶铸模密封，导线用硅胶管包裹。最后，本文完成了植入式活体动物试验。