periodical prognosis

Safety of LPG Gas Cylinder and its Regular Examination;

液化石油氣鋼瓶的安全與定期檢驗

Discussion on Several Problems of the Periodic Inspection Rules of Pressure Vessels;

對《壓力容器定期檢驗規則》中幾個問題的商榷

The periodic inspection of three long trailer seamless pressure vessels was performed by using conventional methods and acoustic mission testing.

采用多種常規檢測手段和聲發射方法對長管無縫壓力容器進行定期檢驗,檢驗結果證明了綜合運用多種檢測方法對長管無縫壓力容器進行定期檢驗的有效性,為此類容器的定期檢驗工作提供了借鑒。

The typical defects in the periodic inspection are introduced,the common problems for DL 647-2004"Inspection code for boiler and pressure vessel in thermal power plant"during executing are analyzed,including the bad pertinence for inspection projects,regarding internal inspection as importance and neglecting external inspection and so on.

介紹了鍋爐定期檢驗中發現的典型缺陷,對DL 647-2004《電站鍋爐壓力容器檢驗規程》執行中普遍存在的檢驗項目針對性差,重視內部檢驗、輕視外部檢驗等問題進行了分析,并對在役鍋爐定期檢驗時重點檢驗項目的確定進行了探討。

The contents and methods as well as matters needed attention about periodical inspection of hyperbaric oxygen chamber which is different from pressure vessel have been introduced.

本文較詳細地介紹了醫用氧艙定期檢驗中有別于普通壓力容器定期檢驗的內容及方法和應注意的問題。

Effects of plants arrangement and periodical reaping in aquatic plant filter bed on Pb in plants;

水生植物濾床的植物組合及定期收割對植物鉛蓄積的影響

Performing periodic inspection to improve the management level of hydropower stations in Xinjiang;

開展定期檢查 提高新疆水電站大壩管理水平

It introduces the constitution and function of TIG welding machine,relates the attention items about the equipment,preparation and operation of TIG welding machine,analyzes the relationship of welding current,diameter of nozzle and flow capacity of air current,and introduces the maintenance,periodic inspection and breakdown diagnosis method of TIG welding machine in detail.

簡要介紹TIG焊機裝置的構成及作用;講述TIG焊機在設備、準備和操作時的注意事項;分析了焊接電流與噴嘴直徑、氣體流量的關系;詳細介紹了TIG焊機設備的保養、定期檢查、故障診斷方法等。

And it carries out ABC inventory management by using rationing or periodic stock for different materials.

對不同物料采用定量、定期儲備等方法,實行ABC物料管理法。

By analyzing the importance of regular inspection of boilers, some measures to minimize blast / leakage of “four-piping” of boilers are proposed.

文章通過對鍋爐定期檢驗工作重要性的分析 ,提出了減少鍋爐“四管”爆漏的幾點措

The early stage hydration of PC is divided into five periods, the pre-induction, induction, acceleratory, deceleration and stabilization periods.

將硅酸鹽水泥早期水化過程分為預誘導期、誘導期、加速期、減速期和穩定期個階段加以描述。

Aiming at the short stabilization period of SIMU(strapdown inertial measurement unit),a new method combining the pretest information modeling with pre-launch calibration is presented to increase the stabilization period of SIMU based on the statistic analysis and ballistic simulation.

針對捷聯慣組(捷聯慣性測量組合)穩定期較短,測試頻繁的問題,在統計分析和彈道仿真的基礎上,提出通過驗前信息建模預測和射前標定技術相結合的方法來延長捷聯慣組的測試周期。