查询词典 coring bit

Prior to casting, the coring tool is preheated to about

之前，铸造，取心工具是预热到约100 摄氏

These segments are heat-cast, with the central core formed by insertion of a coring tool during the casting operation.

这些部分是热铸态，与中央的核心所形成的插入一个取心工具在铸造的运作。

Roots were sampled by coring and the changes of root weight and length were determined in five development stages.

空间分布规律是：冬小麦根系随土层深度的分布，无论是根长还是根重都是由上到下逐渐减少，遵循指数递减模型。

This paper analyzes the necessity and introduces the structure and the work principle of Type CX-120 downhole hammer coring tool .

分析了研制 CX-1 2 0型气动潜孔锤取芯钻具的必要性；介绍了该钻具的结构、工作原理和野外应用试验情况。

Weak Hopf modules can be viewed as comodules over a coring and this implies that the gen...

最后，我们来看一下对偶的情形，弱Hopf代数是有限广群代数的对偶。

Mathematically statistical calibration for saturation analysis by coring and its application［J］.

取心分析饱和度数理统计校正方法及其应用［J］。

Due to high-quality requirements of scientific exploration well,long open-hole,long coring footage,and frequently changing lithology,the length of inner tube shoe was increased,the surface slippy degree between core catcher and inner tube sh...

针对科学探井对岩心质量要求高及该井裸眼井段长、取心进尺长、地层岩性变化频繁、取心施工难度较大等问题，采取加长刻刀座轴向长度，增加岩心爪与刻刀座表面光滑度，优选取心钻头，调整钻井液性能和选择配伍性好的钻头与刻刀座、合理的钻进参数等措施，保证了定向取心收获率，取心累计进尺103.66 m，收获率99.85%，为科学研究提供了可靠的岩心资料。

This paper analyzes the oil and water well testing and sealed coring examination well data statistics and studies the producing mechanism of " untabulated reservoir " in the water flooding development process.

作为喇萨杏油田稳产潜力的重要组成部分———表外储层，在注水开发中动用程度一直是人们普遍关心的问题。

In situ hydrate is unstable and dissociates easily during drilling or coring which may result in a series of drilling accidents.

由于原位天然气水合物极度不稳定，在钻探和取心过程中易发生分解，进而导致一系列意想不到的钻井事故。

Vertical residual oil distribution rules are presented by the contrastive data analysis from two obturated coring wells in Duanxi, which are for water flooding and polymer flooding respectively, and the explanation is combined with sedimentary micro-faces.

对比分析了断西水驱和聚驱后密闭取芯井的资料，结合沉积微相，确定出聚驱后剩余油在垂向上的分布规律。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。