The improvement of Multiple centrifugal pump sealing protectionring for ammonia production was introduced.
介绍了合成氨生产中多级离心式打水泵密封保护环的改造。
2
With function of protectionring and security kernel, a novel model for enhancing security of operating system is proposed.
利用保护环和安全内核的功能，提出了一种新的增强操作系统安全性的模型。
3
This paper studied the protection mechanism for virtual ring in mesh topology, and analyzed a construction algorithm for a virtual ring based on spanning tree.