Casing centralizers 套管扶正器
Bow-spring casing centralizers 弓形弹簧套管扶正器
local centralizers 局部中心化子
double centralizers 双中心子
The Centralizers of Nest Algebras 套代数的中心化子
Chapter 2 studies centralizers on J -subspace lattice algebras, and shows that such a centralizer is quasi-spatial implemented.
第二章研究J -子空间格代数的中心化子,证明它是拟空间实现的。
参考来源 - J·2,447,543篇论文数据，部分数据来源于NoteExpress
Hold centralizers cement baskets on any position of casing, which ensures the positions of centralizers cement basket to meet the design.
可将弹性套管扶正器或水泥伞置于套管本体上的任意部位，确保扶正器的安放位置满足设计要求。
For deviated wellbores, where gravitational force pulls casing to the low side of the hole, more robust solid-bladed centralizers are better if hole conditions allow their use.
对于斜井，由于重力迫使套管平躺于井壁的下侧，如果井眼条件允许，更为结实的固体刀翼式扶正器更为合适。
In the first section, namely 3.1, we obtained some description of the structure of some finite groups whose centralizers or normalizers of Abelian subgroups satisfy some conditions.
在第一部分3.1中，给出了若干由交换子群的中心化子或正规化子满足的条件所确定的有限群的结构描述。
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