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- cementing of carbides 碳化物烧结
- Brazing of carbide cutting tool. 钎焊硬质合金刀具。
- The cementation of cement slurry is not good in alkali well of Anpeng area.Cement slurry leaking results in poor cementing quality and not enough cement height. 安棚区块碱井固井水泥浆胶结不好,水泥浆易漏失造成固井质量较差、水泥返高不够等问题。
- In casing cementing of Caogu 1 Qianshan reservior, lost circulation is encountered due to growing cracked holes. 胜利油田草古1潜山稠油油藏缝洞十分发育,导致固井过程中水泥浆严重漏失。
- According to the size of carbides and the amount of exposed matrix, the annealed structure can be divided into low and high grades. 认为可以根据碳化物颗粒大小,基体露出多少为主的原则,把其分为低级别组织和高级别组织进行参考评级。
- The morphologies of carbides and variation in T91 Steel were analyzed by electroextraction, energy spectrum, XRD, and TEM. 摘要通过破化物的电解萃取、X衍射分析、能谱分析和透封电镜分析等方法,时不同服役时间的T91钢中的碳化物状态及变化进行了研究。
- In consideration of the characteristics of high pressure salt bed cementing of oil and gas wells, high density salt slurry is often used for cementing. 针对高压盐层的油气井固井特点,注水泥时常采用高密度含盐水泥浆。
- In this paper,the influences of temperature and soakingtime of such treatmen t on spheroidization of carbides were studied. 本文研究了球化热处理的加热温度、保温时间对碳化物团球化的影响。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- Different morphologies of carbides and different matrixes have been obtained by heat treating the medium chromium cast iron in different ways. 通过对中铬铸铁进行不同的热处理,得到不同的碳化物形貌和基体。
- State structure and transformation of carbides in carburized layers are analized by use of telescope,X-ray diffraction and energy spectrum. 通过电镜、X射线衍射和能谱,分析了渗碳层中碳化物形态结构及转变。
- Well Cementing of Foam Cement Slurry Used in Tuha Oilfield 泡沫水泥浆固井技术在吐哈油田的研究与应用
- The front of the brick house was faced with cement. 这栋砖房的正面抹了一层水泥。
- Transformation mechanism of carbides and their effect on the stress rupture property were investigated in a Ni-base single crystal superalloy with microcontent of carbon. 研究了一种含微量(0.;015%25)碳的镍基单晶高温合金在热处理和持久过程中的碳化物演化机制以及各种碳化物对合金持久性能的影响。
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥,砂子石头和水混合做的。
- This study aims at the exploration of the observation of the morphological changes of bainite with M/A constituents and precipitation of carbides during the tempering treatment. 本研究从变韧肥粒铁、微量富含碳之M/A相形态改变之观察以及碳化物析出变化等三方面探讨随回火时间增长时其对应之变化。
- The sack of cement hit the ground with a thump. 水泥袋砰的一声落在地上。
- In order to improve properties and meet requirements, study and control of carbides in HSS and the manufacture process of HSS roll should be emphasized. 建议加强碳化物控制研究和优化制造工艺,以进一步提高高速钢轧辊的性能。
- The spheroidizing behaviors of carbides formed from deformation at high temperature in medium chromium cast semi steel had been studied during isothermal spheroidizing process. 对中铬半钢经高温形变后所获得的碳化物在等温球化过程中的球化行为进行了研究。
- You could break this unending cycle of repeated recall and reinforcement - which may be necessary for the normal strengthening and cementing of memories - by introducing other sequences. 你可以通过引入另外的次序来打破这个一遍又一遍回想并不断强化的没完没了的循环---这对正常记忆的强化和巩固是来说是必不可少的。