查询词典 wells

All process for formation and development of water and gas coning/cresting in horizontal wells should be shown by he experiments.

在底水油藏参数基本不变的情况下，研究了水平井的几何参数和生产压差对采油量和采收率的影响。

The Paper focuses on form mechanism and control technologies of water cresting in the bottom water reservoir development with the horizontal well. A theoretical study and experimental study on coning/cresting mechanisms in horizontal wells are presented.

本论文较系统地对底水油藏水平井开采方面国内外石油工程界共同关注的水平井水脊形成机理与控制方法进行了实验和计算研究。

"Men belonging to Haplogroup R1b are direct descendants of the Cro-Magnon people who, beginning 30,000 years ago, dominated the human expansion into Europe and heralded the demise of the Neanderthal species," Wells said.

威尔斯说："单倍群R1b种族中的男性是克鲁马努人的直系后代。克鲁马努人于3万年前进入欧洲，并主宰了人类向欧洲迁徙的进程，他们的出现标志着尼安德特人种的消亡。"

"Men belonging to Haplogroup R1b are direct descendants of the Cro-Magnon people who, beginning 30,000 years ago, dominated the humanexpansion into Europe and heralded the demise of the Neanderthalspecies," Wells said.

威尔斯说："单倍群R1b种族中的男性是克鲁马努人的直系后代。克鲁马努人于3万年前进入欧洲，并主宰了人类向欧洲迁徙的进程，他们的出现标志着尼安德特人种的消亡。"

Between Hunstanton and Cromer is Wells-next-the-Sea.

亨斯坦顿与克罗默之间有个叫海畔韦尔斯的地方。

Oil and water wells were damaged cumulatively,and 80 hundred million Yuan were lost directly in Daqing oilfield.

大庆油田套损井数已超过8000口，直接经济损失80亿元。

Candidate Wells: George W. Bush is a deceiver. He's an actor. That's not even his real name!

候选人韦尔斯：乔治·W·布什是一个骗子，他是一个演员，甚至连名字都是假的！

The reduction in drilling and mobilization/demobilization time can result in one rig drilling multiple wells in the drilling season.

减少钻井和动员/复员时间后，一套钻机在一个钻井季节可以钻多口井眼。

The circumstances under oil wells have been much more complex than ever . Requests on resistance of erosion destructibility of sealing interfaces that related to sealing up and cementing exercises in petroleum engineering are more and more of rigidi ty .

目前国内许多油田已进入开发后期，开采强度不断增大，井下情况更加复杂，对于石油工程中的固井和挤堵作业涉及的封固界面的抗冲蚀破坏性能要求越来越高，迫切需要解决影响界面胶结质量的各种问题，特别是流体渗流条件下的界面胶结强度的建立和保持问题。

Also we use the time-dependent SU (2) gauge transformation to diagonalize the Hamilton operator, obtain the berry phase and analytically the time-evolution operator. The particle number difference of species A between the two wells is studied analytically.

此外我们还研究了在双阱玻色-爱因斯坦凝聚中纠缠态的演化，研究发现随着组分间相互作用和随穿率的比值的增加系统演化到Bell态的概率变大，而且组分自身内在的相互作用对形成Bell态的几率没有影响；并且用含时Su（2）规范变换对角化哈密顿量得到了系统的Berry位相和时间演化算符，并研究了量子随穿过程。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。