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activated slag cement
相关语句
  矿渣水泥
     MECHANISM OF SOLIDIFIED Cs~+ IN SIMULATED HIGH LEVER RADIOACTIVE WASTE BY ALKALI ACTIVATED SLAG CEMENT
     碱矿渣水泥固化模拟高放射性废液中Cs~+的作用机理
短句来源
     Study on Immobilization of High Level Radioactive Waste Liquid with Alkali Activated Slag Cement
     碱矿渣水泥固化高放射性废液的研究
短句来源
     MECHANICALLY ACTIVATED SLAG CEMENT
     机械激活矿渣水泥
短句来源
     Status of study on immobilization of radioactive waste with alkali activated slag cement
     碱矿渣水泥固化核废物研究现状
短句来源
     Study on the Impact Resistance of Simulated High Level Radioactive Waste Forms Out of Alkali Activated Slag Cement Based Materials
     模拟高放废物碱矿渣水泥固化体抗冲击性能的研究
短句来源
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  “activated slag cement”译为未确定词的双语例句
     Based on studying leaching property by the modern analysis technologies of XRD,SEM-EDS, AAS, three kinds of retaining Cs+ action in zeolite added alkali activated slag cement radioactive waste form have been not only deduced, but also the physical model of Cs+ solidified be founded.
     采用XRD、SEM EDS、AAS等测试方法对固化体中Cs~+浸出性能进行研究,探讨核素的固化机理,推理出固化中Cs~+被持留的三种作用:(a)随矿渣水化进摘 要入D,’区七可 耻且 纠构合; (I〕) 被沙心顺*巨 附】_I.被水洲】刑V也决;
短句来源
     Expansion of neutral soldium-salt activated slag cement and anti-permeability of its concrete are studied in this article.
     研究了中性钠盐碱矿渣水泥的膨胀性及其混凝土的抗渗性。
短句来源
  相似匹配句对
     MECHANICALLY ACTIVATED SLAG CEMENT
     机械激活矿渣水泥
短句来源
     The Study and Development on Alkali-Activated Slag Cement
     碱矿渣胶凝材料的研究与发展
短句来源
     The Study and Development on Alkali-Activated Slag Cement
     碱矿渣水泥的研究与发展
短句来源
     The Theoretical Basis of Alkali-activated slag Cement
     碱矿渣水泥的理论基础
短句来源
     Research of Alkali-Activated Steel-Slag Cement
     碱激发钢渣水泥研究
短句来源
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  activated slag cement
Microstructure and properties of activated slag cement
      


In a study on the use of Alkali-Activated Slag Cement (AASC) as a matrix for the immobilization of simulated China's High-Level Radioactive Waste (HLW), the experimental results show that compressive strength, pore structure, leachability of Cs and resistance to the heat of AASC are better than those of Ordinary Portland Cement(OPC) and High Aluminate Cement (HAC). When simulated HLW loading is less than 25 wt% AASC based waste-forms containing suitable zeolite and condensed silica fume, processed...

In a study on the use of Alkali-Activated Slag Cement (AASC) as a matrix for the immobilization of simulated China's High-Level Radioactive Waste (HLW), the experimental results show that compressive strength, pore structure, leachability of Cs and resistance to the heat of AASC are better than those of Ordinary Portland Cement(OPC) and High Aluminate Cement (HAC). When simulated HLW loading is less than 25 wt% AASC based waste-forms containing suitable zeolite and condensed silica fume, processed by a special technology, exhibit higher compressive strength of 65-100MPa lower porosity of less than 10% and leachabilities of 10~(-5) and 10~(-6)g/cm~2·d for Cs and Sr respectively and these properties are comparable With those of glass. The mechanism of the immobilization of nuclides in AASC based waste-form is also studied.

研究了用碱矿渣水泥固化模拟高放废液。结果表明,碱矿渣水泥在抗压强度、孔结构、Cs离子浸出性能及热稳定性等方面均优于硅酸盐水泥和高铝水泥。以碱矿渣水泥为基体,掺入适量沸石和硅灰,采用特殊工艺,在废物包容量小于25%时。固化体抗压强度65-100MPa,孔隙率小于10%,核素Cs和Sr离子浸出率仅为10~(-5)和10~(-6)g·cm~(-2)·d~(-1)的水平,与现有玻璃固化体性能相近。另外还探讨了核素离子在碱矿渣水泥固化体中的固化机理。

A new solidification process using AASC (alkali-activated slag cement) to immobilize HLW (high level waste) is introduced in the article. The AASC incorporated with zeolite and condensed silica fume is used as the matrix of solidified product. High temperature and pressure are not necessary in this process. Under a confined volume the pressure caused by hydrolysis of still explosion to densify the matrix of cement. It has high compressive strength, high density, low teachability and high resistance...

A new solidification process using AASC (alkali-activated slag cement) to immobilize HLW (high level waste) is introduced in the article. The AASC incorporated with zeolite and condensed silica fume is used as the matrix of solidified product. High temperature and pressure are not necessary in this process. Under a confined volume the pressure caused by hydrolysis of still explosion to densify the matrix of cement. It has high compressive strength, high density, low teachability and high resistance to heat. When the salt loading of HLW in the product is equal to 25 wt% the compressive strength of waste product is 65-100 MPa, the porosity is less than 10%, the leachability for Cs is 10-5 g - cm-2 - d-1 and for Sr is 10-7 g - cm-2 - d-1. The performance of this kind cement is comparable with the vitrifying of HLW, but the process is simpler than vitrifying of waste method. The mechanism of the immobilization and the forms of nuclides in AASC waste product are also discussed.

介绍了用碱矿渣水泥固化高放废液新工艺。该工艺以碱矿渣水泥为基体,掺加适量沸石和硅灰,无需加温加压,利用静态爆破剂水化时产生的膨胀压,在限容下使水泥基体致密。其抗压强度、耐热性和浸出率等性能均优于其它水泥。当废物氧化物包容量为25%时,固化体抗压强度可达65~100MPa,孔隙率可小于10%,Cs和Sr的浸出率可分别达到10~(-5)g·cm~(-2)·d~(-1)与10~(-7)g·cm~(-2)·d~(-1)水平。高放废液碱矿渣水泥固化体与玻璃固化体性能相当;而固化工艺比玻璃法简单。此外,还探讨了固化机理,核素离子在碱矿渣水泥固化体中的形态。

Blast furnace slags were partially replaced by artificial and natural pozzolanic materials, such as pozzolan , fly ash and zeolite,to produce alkali activated slag cement(AASC). The effect of pozzolan on chemical resistances to acid,alkali and sulphate as welt as on the inhi- bition of efflorescence of AASC were tudied.Experimental results show that the replacement of slags by pozzolan can reduce the mechanical strength Of AASC,but it can be obviously favorable for the resistance to chemical corrosion...

Blast furnace slags were partially replaced by artificial and natural pozzolanic materials, such as pozzolan , fly ash and zeolite,to produce alkali activated slag cement(AASC). The effect of pozzolan on chemical resistances to acid,alkali and sulphate as welt as on the inhi- bition of efflorescence of AASC were tudied.Experimental results show that the replacement of slags by pozzolan can reduce the mechanical strength Of AASC,but it can be obviously favorable for the resistance to chemical corrosion and the inhibition of the efflorescence.The content of pozzolan should be limited within 30% and the suitable dosage of alkali activator should be 4~5%(by Na_2O).The main hydrate of the alkali-pozzolan-slag cement is CSH(B)as determined by XRD.

用人工和天然火山灰质材料(如火山灰、粉煤灰和沸石)替代部分高炉矿渣制造碱矿渣水泥。研究了这些材料对碱矿渣水泥的强度、抗化学侵蚀性能以及抑制泛碱的作用。实验结果表明它们能降低碱矿渣水泥的强度,但对提高抗化学侵蚀性能以及抑制泛碱有明显效果。火山灰质材料的含量应限制在30%以内,适宜的碱激发剂用量为4~5%(按 Na_2O 计)。XRD 分析表明其主要水化产物为 CSH(B)。

 
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