查询词典 drilling

Methods A total of 140 cases ofbone CT guided were analyzed with drilling needle,QC biopsy gun and Chib needle.

对140例患者在CT引导下行骨穿刺活检，均经手术或病理证实，采用Akerman骨钻针、Qc弹道式活检枪和Chib针。

A tool used for drilling.A needle-shaped drill for boring holes in rock or masonry.

钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻

BP model in artificial nerve net model is adopted to predict stuck operating mode in drilling well and artificial nerve net software in predicting system is developed in the paper.

采用人工神经网络模型中BP模型对现场的钻井工况进行卡钻预测，并开发了人工神经网络实时卡钻预测系统软件。

The mathematical model is dispersed by finite-volume method and the dispersed equations are solved by SIMPLER algorithm. This is the first time to solve a problem of drilling fluid mechanics with the numerical method of Newtonian fluid mechanics.

5首次将牛顿流体力学经常采用的数值方法用于钻井流体力学的研究中：用有限体积法离散钻井液流动和传热的数学模型，用Simpler算法求解该数学模型的离散化方程。

Based on a comprehensive study of drilling and log data, sequences of short-term base-level cycle of turbidite fan in Yanchang Formation of Triassic in Longdong area are divided into three basic structure types: up - deepening non - symmetry, up -shallowing non ?symmetry and symmetry ones according to recognition sign of the interface of the short - term base - level cycle.

以高分辨率层序地层学理论和技术方法为指导，以钻井、测井资料的综合研究为基础，运用短期基准面旋回界面的识别标志将陇东地区三叠系延长组浊积扇短期基准面旋回层序划分为向上"变深"非对称型、向上"变浅"非对称型和对称型3种基本结构类型。

Especially in nonresistant strata,in order to keep borehole wall stability we usually raise the drilling fluid density,but it seriously impede the rate of penetration.

尤其是不稳定地层，常常靠提高钻井液密度来保证井壁稳定，严重的制约了钻速的提高。

Strip mining, noise pollution, offshore oil drilling, wastedisposal. Aerosol cans, and nonreturnable beverage containers.

露天采矿，噪音污染，深海钻油，废物排放，喷雾器罐及一次性饮料容器。

Strip mining, noise pollution, offshore oil drilling, waste disposal. Aerosol cans, and nonreturnable beverage containers.

露天采矿，噪音污染，深海钻油，废物排放，喷雾器罐及一次性饮料容器。

Today concern for the environment extends into such areas as chemical pollution of the air we breathe and the water we drink ,strip mining,dam and road building ,noise pollution ,offshore oil drilling ,nuclear energy ,waste disposal, the use of aerosol cans and nonreturnable beverage containers and a host of other issues.

今天对环境的关注已经延伸到这样一些领域，像是我们呼吸的空气和我们喝的水的化学污染，露天采矿，大坝和公路建设，噪音污染，近海石油钻探，核能源，废物处理，喷雾器皿和不能回收的饮料包装的使用和其他大量的问题。

Today concern for the environment extends into such areas as chemical pollution of the air we breathe and the water we drink, strip mining, dam and road building, noise pollution, offshore oil drilling, nuclear energy, waste disposal, the use of aerosol cans and nonreturnable beverage containers and a host of other issues.

今天，环境问题已扩大到了下列领域：人们呼吸的空气和饮用的水之化学污染、露天采矿、堤坝和道路之修建、噪声污染、近海石油钻探、核能、三废处理、溶胶罐和不回收饮料容器之利用和一系列其它问题。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。