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cementing
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  固井
    JZR Ⅱ is a newly developed set retarder for oilwell cement slurries, the effect of synthetic condition on product properties was examined. The performance of JZR Ⅱ in grade G cement slurries are evaluated in laboratory . It is shown that JZR Ⅱhave good retarding ability to oilwell cement slurries ,is compatible with the dispersants, filtrate loss controller and relevant to grade G oilwell cement of various manufactures and can be used in cementing process in the range of 75 ℃ ̄180 ℃.
    介绍了一种新的油井水泥缓凝剂JZR-Ⅱ的合成,实验考察了合成条件对产物性能的影响,评价了加有JZR-Ⅱ的G级油井水泥浆的性能,室内实验结果表明:JZR-Ⅱ对G级油井水泥具有优良的缓凝性能,与分散剂、降滤失剂相容性好,对油井水泥的选择性小,适用于井温75℃~180℃的油气井固井作业。
短句来源
    Alkaline activator BES_1 with excellent performance can activate potential activity of BFS,powdered coal ash and float bead,make them become gelinite which can meet the need of cementing.
    以性能优良的碱性活化剂BES—1,活化高炉矿渣、粉煤灰和漂珠的潜在活性,使其形成满足固井质量要求的胶凝体。
短句来源
    One of the major problems for cementing operation at home and abroad is gas migration in cementing and poor bonding quality in sheath/formation and sheath/casing,which can be attributed to the higher shrinkage and the higher fluid-loss of oilwell slurry.
    油井水泥固有的高体积收缩和高失水特性是造成油气井气窜和固井质量差的主要原因,也是国内外固井界尚未很好解决的重要问题之一。
短句来源
  “cementing”译为未确定词的双语例句
    Study on the Cementing Material with Electric Furnace Slag
    电炉钢渣胶凝材料的研究
短句来源
    APPlication of water in chlorine magnesium cementing materials.
    水在氯氧镁胶凝材料中的应用
短句来源
    STUDY ON COMPOSITIONS AND CEMENTING PROPERTY OF STEEL SLAG
    钢渣组成与胶凝性能的研究
短句来源
    Titanium slag cementing materials could be reliably used in construction materials when TiO2 was below 20% and the amount of slag was between 30% and 50%.
    综合来讲,钛矿渣中TiO2含量在20%以下,掺量在30%~50%时,可以较好地应用于水泥中。
短句来源
    Study on the Properties and Structure of New Alkali-activated Slag Cementing Agent
    新型碱矿渣性能与结构研究
短句来源
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  cementing
In particular, the role of osmosis in well flushing and cementing processes was noted in study by N.
      
The described system not only allows cementing under vacuum, it also permits to optimise drainage during surgery.
      
HPCH is a composite system, which is composed of cementitious and auxiliary cementing materials, composite additives, abrasion resistance component (aggregate) and pigment.
      
The density of material structure, bonding capacity of cementitious material to the abrasion-resisting component and the corrosion resistance are greatly and effectively improved by adding the auxiliary cementing materials and compound additives.
      
Severe leakage is confirmed at the interface between hardened slurries and steel tube during the dynamically curing process, which induces the quick loss of cementing property of slurries.
      
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A prelimlnary investigation of cementing materials used in ancient China has beencarried out. Analysis of the samples collected showed that there were various kinds oforganic materials such as glutinous rice, tung oil and animal blood mixed with limewhich imparted to their cementition property. The types and ages of these cementing ma-terials are discussed.It is worth mentioning that the employment of composites of organicand inorganic materials for the building engineering had marked an important...

A prelimlnary investigation of cementing materials used in ancient China has beencarried out. Analysis of the samples collected showed that there were various kinds oforganic materials such as glutinous rice, tung oil and animal blood mixed with limewhich imparted to their cementition property. The types and ages of these cementing ma-terials are discussed.It is worth mentioning that the employment of composites of organicand inorganic materials for the building engineering had marked an important develop-ment of cementing materials in ancient China.

本文通过对作者采集到的我国古代建筑工程中所使用的胶凝材料样品进行分析,简要地介绍了中国古代使用胶凝材料的种类、性能以及它们产生的大致年代。初探表明:在石灰中掺加某些有机物质(诸如糯米、桐油、血料等)获得的一类有机-无机复合胶凝材料,是我国古代胶凝材料发展史上的一个重要特点。

Without cementing the glasses to form a bar, rounding glass elements with a chuck is an efficient method, that can get accurate and firm position, simplify process and raise working efficiency.

夹紧法磨外圆是一种有效的加工方法,这种方法不需要对玻璃粘接成条,而且定位准确又牢靠,简化了工序,提高了生产效率。

The relation between soundness and strength of cement and F-CaO pro-hydration has been studied, The results show that F-CaO pro-hydration will cause decrease of cement streength when it improves the soundness of cement,The reaction between a active Al2O3 or SiO2 and Free CaO,which promotes free CaO hydration and forms cementing hydrate at the same time,is considered to be a basic means for improving soundness of cement.

本文研究了F—CaO的预消解与水泥的安定性及其强度关系,结果表明:F—CaO的预消解在改善水泥的安定性的同时使水泥的强度大幅度下降,用活性的Al_2O_3和SiO_2与F—CaO消解后的Ca(OH)_2反应,促使F—CaO消解并生成具有胶凝性的水化产物既改善了水泥的安定性也有利于水泥强度的发展。

 
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