1) gas channeling inhibitor for cement slurry
水泥膨胀剂
2) Expansive cement
膨胀水泥
1.
Enhancement mechanism of S-activator on high calcium PFA expansive cement;
S-激发剂对高钙粉煤灰膨胀水泥的增强机理
2.
The prelinminary study of using high calcium fly ash resource to produce expansive cement;
利用高钙粉煤灰生产膨胀水泥的初步研究
3.
The application of expansive cement in pipe joggles;
膨胀水泥在管道接口中的使用
3) expansion cement
膨胀水泥
1.
Anti-channeling cementing technology of expansion cement for well no.89105;
89105井膨胀水泥防水窜固井工艺
2.
The results show that being expansion agent, the expansion cement can be obtained by adjusting quantity of the cement of Q Phase- CA-C_ 12A_7 and SO_3.
研究表明 :Q相 CA C1 2 A7水泥能够作为膨胀组分 ,通过调节Q相 CA C1 2 A7水泥和SO3的量 ,得到所要求的膨胀水泥。
3.
The effect of ettringite structural transformation on expansive behavior of expansion cement was found.
100℃以下的湿热条件下,钙矾石可生成和稳定存在;(2)尽管100℃以下的干燥条件膨胀水泥混凝土的强度不降低,但膨胀会完全丧失,甚至产生负膨胀。
4) expansion cement slurry
膨胀水泥浆
1.
Based on our research on the mechanism of the prevention of the breakthrough of gas,an N2 expansion cement slurry was developed.
研制开发出了氮气膨胀水泥浆体系,在该水泥浆体系中,氮气膨胀剂由含氮有机物、稳定剂和惰性材料组成,注入井下后,在一定的温度和水泥浆的碱性条件下开始发气。
5) double-swelling cement
双膨胀水泥
1.
Experimental study on autogenous volume deformation of double-swelling cement concrete;
双膨胀水泥混凝土自生体积变形的试验研究
6) expansive cement
微膨胀水泥
1.
The experimental study on performance of expansive cement concrete;
中低热微膨胀水泥混凝土性能试验研究
2.
Using cement hydration mechanism and gradation composition principle,design methods of anti-cracks base were put forward with expansive cement and skeleton and dense structure gradation;technologies of continuous construction of two layers and saw cracks in advance were used.
针对我国水泥稳定半刚性基层存在裂缝的突出问题,研究水泥水化机理和级配组成原理,提出了微膨胀水泥+骨架密实级配的基层防裂设计方法,提出了双层连续施工+预锯缝的施工工艺。
补充资料：水泥膨胀剂
分子式：
CAS号：
性质：又称水泥膨胀剂。在注水泥过程中及注水泥后能防止气体运移并能提高固井质量的水泥外加剂。常用的水泥防气窜剂多为发气膨胀型防气窜剂，由钝化的金属铝粉加活性炭组成。有的产品还掺有纤维素类降失水剂及分散剂。另外还有一类不渗透型防气窜剂。
CAS号：
性质：又称水泥膨胀剂。在注水泥过程中及注水泥后能防止气体运移并能提高固井质量的水泥外加剂。常用的水泥防气窜剂多为发气膨胀型防气窜剂，由钝化的金属铝粉加活性炭组成。有的产品还掺有纤维素类降失水剂及分散剂。另外还有一类不渗透型防气窜剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条