Informix runs internal threads to accomplish, among other things, database I/ O, logging I/ O, page cleaning, and administration tasks. Informix运行内部线程以完成数据库I/O、日志I/O、页面清理和任务管理等任务。
And when this occurs, I think of it as internal house cleaning. 当这发生的时候,我会将之看成是内在房屋的清扫。
While taking advantage of the internal gas nozzle powerful "negative pressure" to achieve the gas nozzle cleaning, sand plug solve the problem. 同时利用气嘴内部强大的“负压差”来实现气嘴清洗,解决砂堵问题。
Research of Influence on Internal Flow Field of Structure of Fan-shaped Nozzles Used in Water Jet Cleaning 清洗用扇形喷嘴结构参数对其内部射流的影响
Many advanced and practical technologies are used in its design, for instance, rational furnace lining and cooling structure, new type high temperature internal combustion hot air stove, dry type bag filter for gas cleaning, practical automatic control mode, etc. 在设计中采用了许多先进实用的技术,如合理的炉衬和冷却结构、新型高温内燃热风炉、干法布袋煤气清洗方式、实用的自动控制方式等。
Gas water sand internal circulation fluidization cleaning for shell side water cooling equipment 壳程水冷设备气水沙内循环流态化清洗
[ Objective] To investigate the therapeutic effect of early anterior bone grafting and internal fixation after focal cleaning and vertebral canal decompression for the treatment of tuberculosis of thoracolumbar vertebrae. [目的]探讨早期前路病灶清除、减压、内固定及植骨融合对胸腰椎椎体骨结核的治疗效果。
Treating internal wall of drill pipe with blast cleaning is one of the key technology in production of coated drill pipe. 钻杆内壁的喷丸清理是涂层钻杆生产的关键工艺之一。
However, they require overhauls for internal cleaning and are a major noise source. 但它们需要大修进行内部清洁,而且还是噪声的主要来源。
Due to coking and dusk accumulation in the internal burning, heat medium heater needs regular cleaning and guarantee of heat transfer efficiency. 由于热媒炉内燃烧过程造成结焦、积尘,需要定期清扫以保证传热过程的换热效率。