硅酸钙

粉煤灰中活性成分为SiO2和Al2O3，其水化产物为水化硅酸钙及水化铝酸钙。

The active compositions in flyash are SiO 2 and Al 2O 3 and the products of their hydration are hydrated calcium silicate and hydrated calcium aluminate .

此外，在碳化过程中红外吸收峰由表征水化硅酸钙的SiO键向硅胶的SiO键逐渐转变。

The gradual shift of the IR absorbing peak of samples in the course of carbonation from one characterizing the Si & O bond in calcium silicate hydrate to the one in SiO_2 gel has also been studied .

掺萘系高效减水剂水化硅酸钙的X射线光电子能谱研究

Study on calcium silicate hydrates contained naphthalene-type organic complex molecule by X-ray photo electron spectroscopy

C2S对硬硅钙石型硅酸钙保温材料质量影响

Quality Effect of Xonotlite-type Calcium Silicate Thermal Insulation Materials by C_2S

快速测定水化硅酸钙结晶度的XRD方法

Rapid Quantitative Determination of Hydrated Calcium Silicates Crystal by XRD

分解率大小的比较表明，水合硅酸钙在苛性碱溶液中的稳定性明显大于dηSiO2为水合在碳酸钠溶液中的稳定性。

The comparison on decomposition ratio in different solution indicate that calcium hydrate silicate is unstable in soda solution .

SiO2气凝胶-硅酸钙复合纳米孔超级绝热材料导热系数的测定及绝热机理分析

Tested of Thermal Conductivity Coefficient of Super Thermal Insulation Composite Material with Silica Aerogels and Calcium Silicate and Thermal Analysed of Insulation Mechanism

掺偏高岭土的水泥其水化产物主要为水化硅酸钙C-S-H、AFt和Ca（OH）2，与不掺偏高岭土硅酸盐水泥并无本质差异。

The cement with metakaolin whose hydration products are mostly C-S-H , AFt and Ca ( OH ) 2 has no significant difference from Portland cement .

水化硅酸钙对Cr（VI）的吸附作用论述了新型硅酸钙脱硫剂的成分筛选及其在沸腾炉内的变工况试验结果。

The results of the component screening of several new kinds of calcium silicate desulphurizers and the experiment of them in a fluidized bed combustor under different process conditions are described .

反应物中SiO2和CaO的比例需保持1：1，否则反应最终产物中可能出现其它硅酸钙矿物。

It is important to keep the mole ratio of CaO / SiO in reactants equal to 1 , otherwise , non-xonotlite phase will appear in the product .

在烧结法生产氧化铝过程中，Al2O3和Na2O的二次损失实际上是水合硅酸钙与铝酸钠溶液发生作用的结果。

In Sintering Process of alumina production , the secondary loss of alumina and soda is actually caused by the reactions between calcium silicate hydrate and aluminate solution in the operation of leaching sinter .

XRD结果表明除了转炉终渣部分以非晶态形式存在，其它三种熔渣以镁铝尖晶石、铝硅酸钙、钙镁橄榄石及其复杂的固溶体形式存在。

The XRD results show that converter slag was at amorphous state partly , and the others were at Mg-Al spinel , aluminum calcium silicate , calcium and magnesium olivine and complex solid solution form .

以氧化钙、硅灰为原料，在80℃水热条件下，能合成不同钙硅比的水化硅酸钙（CSH），用X射线粉晶衍射（XRD）鉴定表明产物都为凝胶相。

Calcium silicate hydrate ( CSH ) materials of varied calcium to silicon ( Ca / Si ) ratios were prepared by hydrothermal synthesis at 80 ℃, with calcium oxide and micro-silicon employed .

详细研究了反应温度及时间、pH值、CO2通气速度、分散剂等对脱硅液制备白炭黑的影响，并对碱浸脱硅液制备的白炭黑和活性硅酸钙进行了表征。

The impact of reaction temperature and time 、 pH 、 ventilation speed of CO2 、 dispersant on the preparation of silica was detailed studied , and the silica and activity calcium silicate prepared from the de-silication solution were characterized .

本章的结果表明硅酸钙复合磷酸钙大孔骨水泥支架与BMP-2之间存在着明显的协同作用，有望成为优异的骨修复治疗材料。

These results showed that calcium silicate incorporated macroporous scaffolds have synergistic enhancing effects with BMP-2 on bone regeneration , which could be potential therapy in future .

从微观角度分析，将TSA侵蚀过程分为四个阶段：离子迁移期，钙矾石生成期，石膏生成期和碳硫硅酸钙生成期.评价的形成性问题；

According to the microstructure development of mortar , TSA includes the following four procedures : diffusion of ions , ettringite formation , gypsum formation and thaumasite formation .

结果发现硅灰能和氢氧化钙立即反应，生成类似于C-S-H（Ⅱ）的水化硅酸钙。

It is found that silica fume reacts immediately with calcium hydroxide forming calcium silicate hydrates ( C-S-H ) similar to C-S-H (ⅱ) .

对形成的水化硅酸钙经三甲基硅烷化（TMs）反应，并用气相色谱（GLC）及凝胶渗透色谱（GPC）分离和测定TMS衍生物。

Trimethylsilyl derivatives of calcium silicate hydrates formed in the mixture are separated by gas-liquid chromatography ( OLC ) and gel permeation chromatography ( GPC ) .

微孔硅酸钙保温材料实测总传热系数小于1.0W／（m2·K），但局部缝隙处表面温度和散热损失都较高。

The measured total heat transfer coefficient of insulating material of microporosity calcium silicate is less than 1 . 0W / ( m2 · K ), but both the surface temperature in local cracks and the radiating heat loss are high .

研究表明：由于土样对Ca（OH）2的消耗，可能导致固化土孔隙液中Ca（OH）2不饱和，进而影响了水化硅酸钙的生成量；

The result shows that due to soil absorbing of Ca ( OH ) _2 , the concentration of Ca ( OH ) _2 in the pore solution may not reach to saturation , in turn the CSH gel generated by cement hydration may decrease ;

X射线衍射分析表明高掺量CLS促进硬化水泥中生成钙矾石，抑制水化硅酸钙（CSH）的早期生成，但对CSH的后期生成无影响。

X-ray diffraction analysis shows that CLS can promote the growth of ettringite and restrain the growth of CSH at early-age , while the long-term growth of CSH is not be affected .

保护渣中加入少量B2O3和Li2O，可以促进硅灰石析出并抑制枪晶石形成，也可以有效抑制高熔点稀土硅酸钙形成，防止渣膜形成过程中过早析出高熔点物相。

Both Li_2O and B_2O_3 may restrain the formation of cuspidine and RE_2O_3 · CaO · 2SiO_2 phase , accelerated the growth of wollastonite phase , which prevents the high melting point substance to separate out when the slag film being formed for the mold fluxes .

石膏基复合胶凝材料的水化产物主要为二水硫酸钙、水化硅酸钙凝胶和少量的钙矾石以及硬硅钙石（Ca6Si6O17（OH）2）。

The hydration products of the gypsum-based cementing composite include Calcium sulfate dehydrate , calcium silicate hydrate gel ( C-S-H ), smack ettringite ( AFt ) and Ca6Si6O17 ( OH ) 2 .

结果表明，在铝酸钠溶液中CaO·SiO2·H2O比2CaO·SiO2·1.17H2O更稳定，且水合硅酸钙的稳定性随反应温度的升高而增大；

The results show that CaO · SiO_2 · H_2O is more stable than 2CaO · SiO_2 · 1.17H_2O in aluminate solution and the stability of C-S-H increases with the elevation of temperature , which is consistent with thermodynamic results .

结果表明，研制的无石棉硅酸钙板具有密度较低、强度较高、高温线收缩率小的特性，设计、制造的新型耐火风管的耐火极限大于2.5h。

The results show that , the said board has excellent physical characteristics , and the fire duct has a fire endurance time of not less than 2.5 h.

结果表明：高性能矿渣胶凝材料的水化产物主要为CaO/SiO2质量比接近于1的铝硅酸钙凝胶，另外还含有少量的Na2O，MgO成分。

The results showed the hydration products include a lot of calcium aluminosilicate gels ( the mass ratio of CaO / SiO 2 is close to 1 ) and a little Na 2O , MgO compositions .

研究了以天然石灰和天然粉石英为基本原料，添加2CaO·SiO2对合成硬硅钙石型硅酸钙保温材料的影响。

The quality effect of xonotlite-type calcium silicate thermal insulation materials by adding small amount of dicalcium silicate was studied . The basic raw materials were natural powder quartz and nature lime .

结果表明：在实验条件下，Sr2+能取代水化硅酸钙凝胶中Ca2+而形成固溶体，并使CSH凝胶结构更趋无序；

The results showed that Sr ~ ( 2 + ) can replace Ca ~ ( 2 + ) in calcium silicate hydrate ( CSH ) gel to form solid solution and make the structure of CSH gel more disordered under the experimental conditions ;

实验结果表明，其料浆的矿物组成、微观形态和耐热性均优，以此料浆为基料，可制成容重低于170kg／m3的硅酸钙轻质制品。

The test results show that the mineral compositions , micromorphology and heat resistance are all excellent and lightweight calcium silicate products with a density of less than 170kg / m3 can he made by using this slurry as the base material .

B2O3在较低的温度下能和某些金属氧化物生成低熔点化合物（如：CaB6），从而加快烧结反应速度，促进铁酸钙的生成，减少正硅酸钙的生成量。

Some low melting compounds ( for example , CaB_6 ) were formed from the mixture of B_2O_3 and some metal oxides in lower temperature . Thereafter , the ratio of reaction and the amount of calcium ferrite were increased whereas ortho-silicate was decreased .