硅酸凝胶

将聚硅酸凝胶与正丁醇共蒸馏，干燥后得到了半径10～20nm的纳米白炭黑。

The nano-white carbon of 10 ~ 20nm was obtained by distillation of the silica gel and n-butanol together .

材料表面的硅酸凝胶层及其硅羟基团的形成对碳酸羟基磷灰石（HCA）微晶的成核有重要作用。

The silicic acid gelatin and the formation of Si hydroxy group on the materials ' surface had an important effect on nucleation and amount of HCA .

硅酸凝胶生成条件与机理的探讨

A Discussion on the Formation Condition and Mechanism of Silica Gal

延迟硅酸凝胶堵剂研究

Preparation of Delayed Gelating Silicic Acid Sol as Water Control Agent

碱性硅酸凝胶固砂剂的初步研究

Study on alkaline silicic acid gel used for sand control

岩心中硅酸凝胶堵剂突破压力的研究

Breakthrough Pressure of Silicic Gel in Artificial Cores

新型硅酸凝胶深部堵水剂的研究与应用

Study and Application of a New-type Silicic Acid Gel as Deep Water Shutoff Agent

文中对碱性硅酸凝胶作为固砂剂进行了研究，探讨了碱性硅酸凝胶作固砂剂的机理，并与酸性硅酸凝胶固砂剂对比。

The paper studies sand consolidation act of alkaline silicic acid gel and discusses the mechanism of alkaline silicic acid gel used for sand control and contrasts with acidity silicic acid gel .

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：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 .

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 ;

MgSiF6对铝硅酸溶胶凝胶化的影响及其机理

Study of effect of mgsif_6 on gelling of aluminosilicate sol

低碱度硫铝酸盐水泥水化产物主要为钙矾石、水化硅酸钙凝胶以及水化碳铝酸钙。

Hydration products of low alkalinity sulphate aluminium cement were Aft , hydration calcium silicate gel and hydration carbon calcium aluminates .

硅酸钙凝胶含量越高，材料的强度越高，耐水性能越好。

The more content of C-S-H ( gel ) in gypsum-based cementing composite , the higher strength , and the better water-resistant performance . 3 .

在制备材料的过程中，通过对室温下水相合成的硅酸钙凝胶进行有机溶剂交换处理，可保留材料的多孔结构。

During the synthesis process , CSH gel is obtained under room temperature in water , and then an organic solvent exchange treatment is performed to maintain the porous structure of CSH gel .

在碱溶液中，矿渣中离解出[SiO4]4-离子能与Ca2+离子形成水化硅酸钙凝胶，因此碱可作为矿渣胶凝材料的激发剂。

Whereas in alkali solutions [ SiO4 ] 4 - and Ca2 + ions released from slag fine were combined to form C-S-H gel . Thus alkalis are commonly employed in the manufacture of slag fine cementing material as activators .

制备贝利特硫铝酸盐水泥的锂渣掺加量可达16%，低品位铝矾土掺量为28%；贝利特硫铝酸盐水泥水化产物为钙矾石和水化硅酸钙凝胶。

The content of calcium and aluminum residue and low grade bauxite were up to16 % and28 % respectively in preparing belite sulphate aluminium cement . Hydration products of belite sulphate aluminium cement were Aft , hydration calcium silicate gel .

淀粉接枝/硅酸钠复合凝胶体系的制备及封堵性能评价

Preparation of the Starch-graft Sodium Silicate Composite Gel and Evaluation of Its Plugging Properties

采用正硅酸乙酯溶胶-凝胶法制备纳米SiO2，并与氯化铈溶液混合，用氨水沉淀法制备了SiO2-CeO2复合氧化物。

SiO2-CeO2 mixed oxides were prepared by precipitating cerium ion with ammonia from solution containing cerium chloride and nano-silica , which was prepared by means of sol-gel method using ethyl-orthosilicate as raw material .

正硅酸乙酯溶胶-凝胶过程中催化剂的作用

The effects of catalyst in the sol-gel process of tetraethoxysilane

催化方式和水硅比对正硅酸乙酯的溶胶凝胶过程的影响

Influences of the Catalyzing Mode and the Ratio of Water on TEOS Sol-Gel Processing

通过模型计算对硬硅钙石型硅酸钙、气凝胶及硬硅钙石-气凝胶复合绝热材料的导热系数进行了对比研究。

The effective thermal conductivities of xonotlite-type calcium silicate , aerogel and xonotlite-aerogel composite insulation material were compared by model calculation .

其实质上是水溶性硅酸钠与氟硅酸钠反应生成的二氧化硅溶胶转变为二氧化硅凝胶的过程，磷酸是提供H+使硅酸转变为硅酸凝胶，形成网状结构。

The essence of which is that the silicon dioxide sol produced through the reaction of water-solubility sodium silicate and sodium fluorosilicate is changed into silicon dioxide gel , and phosphoric acid supplies H + to turn silicic acid into silicic acid gel so as to form reticular structure .

其次，依据硅酸聚合经典理论，创造性地首次提出了弱碱三元复合驱中硅质垢的形成机理，概括为：单分子硅酸→多聚硅酸→硅酸凝胶→硅质垢。

Secondly , based on the classical theory of silicic acid polymerization , this paper creatively proposed the forming mechanism of silicon scaling the first time ever .