It points out the necessity of tubing anchor in pumping wells,especially in deep wells.
指出了在抽油机井,尤其是深井中进行油管锚定的必要性。
The improved separated zone water injection string is anchored and sustained by hydraulic anchor and hydraulic slips.
针对空心分层配水管柱工作寿命短 ,作业换封频繁的现象 ,通过对原分层注水管柱结构及井下工作状况的分析 ,对分层注水管柱的结构及配套工具进行了改进 ,经改进设计后的锚定支撑式分层注水管柱在现场实践中证明密封性能好、使用寿命明显提高 ,具有良好的经济效益和社会效
It introduces the calculation principle for the structures of three 50,000 dwtcontainer terminals of Yantian Port 2nd - phase Project, types of foundation piles and thestructural types, piling control standard, as well as the construction machinery and constructionmethod for embedded piles, anchor piles and embedded - anchor piles.
介绍盐田港二期3个5万吨级集装箱码头结构的计算原则，基桩类型及其结构型式，沉桩控制标准及嵌岩桩、锚定桩、锚定嵌桩的施工机具和施工方法，还介绍了采用高应变动力试验与静载试验相结合的方法验证工程桩实际承载力的情况。
It added the context to the logic form by using the situation theory including situation forming principle, related axioms and inference, and interpreted its referent and substitution meaning, respectively, by the principle of anchoring situation.
针对情景对话内容中含有指示代词“那”的语句及与其直接相关的情景 ,首先分析“那”的语义及语用 ,给出逻辑形式 ,并运用情景理论 ,包括情景形成原则及相关公理和推论等 ,在其逻辑形式中加入上下文关系 ,然后根据焦点移动及情景锚定原则 ,分别对情景对话中的“那”的指称和替代作用进行了有效的解
According to the star magnitude,using the anchoring method,the stars of the non-recognition map drop into ε-neighborhood region of the stars of navigation map.
针对现有的识别算法存在识别速度慢,识别成功率不高,提出了一种新的星图识别算法,该算法根据恒星星等,利用锚定的方法,使待识别星图中的星落于导航星图中的星的ε邻域,对于未落于ε邻域的星,建立有向赋权二部图,进行完美匹配,根据计算星对之间EMD距离,来确定星图的匹配是否成功;仿真结果表明,该方法提高了星图识别的速度,有很高的成功率;通过与利用Hous-dorff距离进行星图识别的方法比较,该方法对于星数目多时,速度有明显提高。
There are two main models accounting for anchoring effects: the anchoring and adjustment heuristic and selective accessibility model.
当前主要有两种理论解释锚定效应的发生机制:锚定调整启发模型和选择通达模型。
In view of this actuality,a new type anchor especially for screw pumps is designed,and its mechanical structure and working principle are discussed.
针对东辛油田采用Y221-115型封隔器总成在螺杆泵生产中存在坐封难度大,坐封不可靠、检泵周期短等现状,设计了一种新型的螺杆泵专用锚定器,简述了其结构及工作原理。
Influence of surface anchoring energy on characters of weak anchoring NLC cells;
界面锚定能对弱锚定向列液晶盒性质的影响
The influence of the surface elastic energy term K 13 on the properties of Fréedericksz transition of weak anchoring nematic liquid crystal cell under a magnetic field has been investigated in detail.
研究了表面弹性能K1 3项对磁场作用下的弱锚定向列液晶盒Fr啨ｅｄｅｒｉｃｋｓｚ转变性质的影响 。
Freedericksz transition at threshold point of a weak anchoring and parallel alignment NLC cells has been studied carefully by a rigid mathematical deduction and calculation.
在液晶总自由能中界面锚定能采用修正后的Rapini Papoular(RP)公式,用严格的数学推导和计算,详细研究了弱锚定条件下平行排列的向列液晶盒在阈值点的弗雷德里克兹(Freedericksz)转变问题。