calcium hydrate

Advance of Studies on Calcium Hydrate Silicate in Alumina Production

氧化铝生产中水合硅酸钙的研究进展

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

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。

Exploration of reaction mechanism of calcium silicate hydrate in basic solution

水合硅酸钙与碱反应机理的探讨

Effect of C / S ratio on morphology and structure of calcium silicate hydrate

钙硅比对水化硅酸钙形貌和结构的影响

Phosphorus Removal in Constructed Wetland Using Calcium Silicate Hydrate as Substrate

以水化硅酸钙为基质的人工湿地系统除磷研究

The Application and Synthesis of Modified Calcium Aluminate Hydrate Flame Retardant

阻燃剂铝酸钙的应用及合成

The results indicate that the formation of calcium silicate hydrate is difficult at normal pressure .

结果表明，在常压下除硅，难以形成水合硅酸钙。

Preparation and Application of Nanometer Hexagonal Calcium Aluminate Hydrate of Deep Desilication

纳米六方水合铝酸钙的制备与应用

Property study of hexagonal calcium aluminate hydrate

六方水合铝酸钙的性质研究

Formation of Calcium Silicate Hydrate in Aluminate Solution Desilication

铝酸钠溶液中水合硅酸钙的形成条件

Study on Phosphorus Uptake from Sediment by Myriophyllum Spicatum Enhanced by Calcium Silicate Hydrate

水化硅酸钙强化穗状狐尾藻对底泥磷吸收能力的研究

Calcium silicate hydrate , ettringite and calcium hydroxide are formed at the early stage of hydration of two pastes .

2种水泥浆体水化反应初期有水化硅酸钙、钙矾石及氢氧化钙形成；

Comparing it with CaCO_3 , A1 ( OH ) _3 , Calcium aluminate hydrate has an excellent synthetical ability .

与CaCO3、Al（OH）3相比，铝酸钙有很好的综合性能，是一种很有发展前途的阻燃剂。

The study also shows that calcium silicate hydrate gel , analcite and hydrated calcium alumino-silicate are the major hydration products of the cement .

碱磷渣水泥的主要水化产物是水化硅酸钙、方沸石、水化硅铝酸钙。

Synthesis condition and method of hexagonal calcium aluminate hydrate are described . The synthetic hexagonal calcium aluminate hydrate is characterized through chemical , TG-DTA and XRD analysis .

叙述了六方水合铝酸钙的合成条件和方法，并通过化学分析、TG-DTA分析和XRD分析对所合成的六方水合铝酸钙进行了表征。

Through the relationship between sodium chloride and target crystal : calcium hypochlorite hydrate , the recycle of mother liquid , the principle of reactive crystallization of sodium-process bleaching power was analyzed .

从氯化钠与目标晶体水合次氢酸钙间的关系、母液循环等角度分析了钠法漂粉精工艺的反应结晶原理。

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 .

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。

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 .

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。

With the proceeding of hydration , the n ( Ca ) / n ( Si ) of calcium silicate hydrate increases gradually in pure cement paste , but reduce gradually in coal-gangue cement paste .

伴随水化反应的进行，纯水泥浆体中形成的水化硅酸钙的钙硅摩尔比逐渐增加，煤矸石水泥浆体生成的水化硅酸钙的钙硅摩尔比则逐渐降低；

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 .

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 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 ;

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 show that the reversible drying shrinkage is dependent on the quantity , surface area and chemical structure of calcium silicate hydrate ( C-S-H ), and increases linearly with small pore volume as measured by mercury intrusion porosimetry (≤ 30 nm pore diameter ) .

结果表明，可逆收缩取决于水化产物的数量与C-S-H凝胶的表面性能与化学结构，随压汞法测得的小于30nm的孔体积增加而线性增加；

Study on the Formation of Calcium - Silicate Hydrate

水化硅酸钙形成的研究

Calcium nitrate 4 hydrate and diammonium hydrogen orthophosphate are selected as initial materials ; needle like carbonate containing hydroxyapatite crystals are synthesized by homogeneous precipitation method with urea is used as additive .

选用可溶性的硝酸钙和磷酸氢二铵，在尿素用作添加剂的条件下用均相沉淀法合成了含部分碳酸根的针状羟基磷灰石晶体。

Results are much larger than 6 % which is stipulated by standard . ( 5 ) The electron microscope scanning shows that the increase of cement mixing ratio provides a large number of Calcium for generation of hydrate , thus improves the strength of cement soil .

水泥土的电镜扫描试验结果表明，水泥掺量的增加为促进水化物的生成提供了大量的钙离子，从而使水泥土的强度提高。

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 .

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 experimental condition for Ca 2 + activating porcin prothrombin was established . Research of Calcium Sulfite on Activating Slag Hydration under the Calcium Hydrate Alkali Condition

使Ca2+激活猪凝血酶原的实验条件得以确立。在Ca（OH）2碱性条件下亚硫酸钙对矿渣的激发作用研究