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complex formations
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  复杂地层
     The complex formations were drilled during the fourth spudding in Sha 84 Well, which resulted in long drilling cycle, multiple trips, and therefore casing abrasion.
     沙84井四开井段钻遇复杂地层,钻井周期长,多次起下钻,造成技术套管磨损。
短句来源
     From points of technology and economy,drilling holes in complex formations with the CJF 20 percussion drill rig with reverse circulation has gained many benefits In this paper,the determination of drilling parameters is discussed based on the impact theory,and combining some practical examples
     根据冲击碎岩理论和冲击反循环钻进中的工艺技术参数,结合工程施工实例对CJF-20冲击反循环钻机的钻进工艺技术进行了初步的分析探讨,实践表明,CJF-20冲击反循环钻机应用于复杂地层钻进成孔可取得了较好的技术经济效果。
短句来源
     The Grab is mainly suitable to be used in complex formations.
     该抓斗主要适用于复杂地层的施工。
短句来源
     Marc software with high nonlinear function,thus providing a simple,convenient and feasible method for studying the casing damage mechanism in complex formations.
     Marc软件的高度非线性功能对本文的复杂力学系统进行了一系列的计算机仿真模拟研究 ,为复杂地层套管破坏机理研究提供了简便、可行的方法。
短句来源
     The field application indicates that its effect obvious, satisfying the well cement requests in deep wells and complex formations and has a broad application prospect.
     有良好的抗温性、抗盐性,与降失水剂、缓凝剂等有很好的相容性,能满足深井等复杂地层的固井要求,具有广阔的应用前景。
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  “complex formations”译为未确定词的双语例句
     The mechanical behaviour of dam abutment rockmass in complex formations is affectcd by the lithological characters,diagenetic conditions, the characters and spatial distibution of structural surfaces as well as some decaying factors.
     复杂岩石中大坝基础的岩体力学性质受岩性、成岩条件、结构面特征及其空间展布,以及一些衰变因素的影响.
短句来源
     In view of the leakage of complex formations,in which the size and shape of leakage path change with the variation of borehole pressure,the concept of “Strong cohesiveness” is presented.
     针对漏失通道的尺寸、形状随井内压力变化的复杂井漏,提出了“强粘接性”概念。
短句来源
     Top cement pulsation (TCP) is a new cementing technology suitable for complex formations, and it can delay the static pressure loss of slurry, effectively prevent gas migration and improve cement bond logging quality, so the cementing quality is improved.
     介绍了复杂地质条件下固井新技术—顶部水泥脉冲振动技术 [1 ,2 ] ,能延缓水泥浆的静水压力损失 ,并能有效地预防复杂地质条件下固井时气窜 ,提高固井质量。
短句来源
     The numerical simulation method is suitable for complex formations, whereas the analytic method or semi-analytic method is superior in less computation and storage costs.
     数值模拟方法可用于计算比较复杂的地层。 借助解析或半解析方法,可使计算量和存储量降低。
短句来源
     Aerated drilling, a wholly new technology, is used in Sichuan and Chongqing area to deal with this kind of complex formations which are both water-producing and subject to serious lost circulations.
     利用空气充气钻井技术对付地层既出水又发生恶性井漏的井,在川渝地区的钻井作业中,尚属一种全新的工艺技术。
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  相似匹配句对
     Rapid Driving in Complex Soft Formations
     复杂松软岩层中的快速掘进
短句来源
     The Grab is mainly suitable to be used in complex formations.
     该抓斗主要适用于复杂地层的施工。
短句来源
     Complex Rheme
     复杂述位
短句来源
     Complex Reality
     复杂的实在
     On the formations of audit theory
     审计理论框架结构研究
短句来源
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  complex formations
The effect of electrical stimulation of vestibular-complex formations on systemic arterial pressure and regional blood flow
      
It was inferred that this microcrystalline cluster is associated with montmorillonite and ammonium polyphosphate-based complex formations.
      
The complex formations induced a fixation of a conformation of guest D-A molecules, and D-A distances were enlarged.
      
The complex formations induced a fixation of a conformation of guest D-A molecules, and D-A distances were enlarged.
      
Data analyses assuming 1:1 stoichiometry were successfully applied to both of the host-guest combinations employed, where 1:1 host-guest complex formations were observed at lower concentration of cyclodextrins (CDs).
      
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The mechanical behaviour of dam abutment rockmass in complex formations is affectcd by the lithological characters,diagenetic conditions, the characters and spatial distibution of structural surfaces as well as some decaying factors. In this paper, the mechanical behaviour of dam abutment rockmass in Longtan Hydropower Project was analysed by an approach which combines macroscopic observation with microscopic study and laboratory tests with field work. In the field work, fractures were emphatically studied...

The mechanical behaviour of dam abutment rockmass in complex formations is affectcd by the lithological characters,diagenetic conditions, the characters and spatial distibution of structural surfaces as well as some decaying factors. In this paper, the mechanical behaviour of dam abutment rockmass in Longtan Hydropower Project was analysed by an approach which combines macroscopic observation with microscopic study and laboratory tests with field work. In the field work, fractures were emphatically studied and in-situ tests were carried out at selected points on the basis of comprehensive survey of joints.By this way.the correspondence of deformation modulus and longitudinal wave velocity with the classification of rockmass intactness was establisbed.In laboratory study, much attention was paid to the relation between the mode of failure of tested specimens and their microscopic structure eManwhile, factors influential to the decay of rock strength were also investigated. Based upon the manner of load application for diffrent parts of the structure,relevant parameters for some key parts were explored in connection with the rockmass characters of those parts.

复杂岩石中大坝基础的岩体力学性质受岩性、成岩条件、结构面特征及其空间展布,以及一些衰变因素的影响.本文针对确定龙滩水电工程坝基板纳组砂页岩的岩体力学参数,主要是软弱页岩的岩体力学参数问题;重视断裂研究,在广泛调查统计节理的基础上进行选点试验;建立变形参数和纵波速与岩体完整性分类的对应关系;以及对岩样破坏形态与微观结构关系的研究等,文中还探讨了影响岩石强度衰减的各种因素.

he proton dissociation proccsses of nitrilotricthanolacctate acid (NTEA) and its complexes with La3+, Y3+, Lu3+ and Ca2+ had been studied by using NMR spectroscopy. The proton dissociation constants arc 8.8 and 3.0 for amino and carboxyls respectively. The suitable pH range for complex formations is PH > 3 for La3+, Y3+ and Lu3+, while is PH > 5 for Ca2+. The intermolccular ligand exchanges are in the range of slow to intermediate rates on 400MHzNMR time seale, which kinetic parameters are obtained by...

he proton dissociation proccsses of nitrilotricthanolacctate acid (NTEA) and its complexes with La3+, Y3+, Lu3+ and Ca2+ had been studied by using NMR spectroscopy. The proton dissociation constants arc 8.8 and 3.0 for amino and carboxyls respectively. The suitable pH range for complex formations is PH > 3 for La3+, Y3+ and Lu3+, while is PH > 5 for Ca2+. The intermolccular ligand exchanges are in the range of slow to intermediate rates on 400MHzNMR time seale, which kinetic parameters are obtained by the simulations of VT 1H NMR spectra

用NMR方法研究了氨三乙氧基乙酸(NTEA)的质子解离过程及其与La3+、Y3+、Lu3+和Ca2+的配合作用.NTEA的氮原子和羧基的质子解离常数分别为8.8和3.0.当pH>3.0时,La3+、Y3+和Lu3+配合物能稳定形成(>50%),而Ca2+配合物则需出>5.在pH3~6范围内,配合物与配体间的交换反应处于慢-中介交换速率区间,通过变温谱模拟得到了其交换反应的动力学参数.

The complex formations were drilled throughsuccessfuily by using drilling mud compounded by veg-etable glue and barite powder in confined water thick cov-er.It will be of some help to the explortation of selectingsite of hydropower station.

主要阐述在承压水厚覆盖层(非固结)钻进中植物胶加重晶石粉配制泥浆顺利钻穿复杂地层问题,对水电站选址勘查有参考意义。

 
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