硅钙

IR喷吹硅钙粉脱硫试验研究

Experimental Research on Desulphurization by Injection of CaSi Powder in IR

对硅钙电炉炉底上涨原因进行了分析，并阐述了延长1MVA硅钙电炉生产周期的工艺操作方法及所取得的明显效果。

The reasons of CaSi furnace bottom rising are analysed , the operation procedure to prolong smelting CaSi period in1MVA electric furnace and the remarkable results achieved are expounded .

X射线荧光光谱法测定硅钙合金中的硅和钙

Determination of silicon and calcium in silicon-calcium alloy with fluorescent X-ray chromatography

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

碳硫硅钙石在高浓度CO2作用下容易发生分解。

Thaumasite is prone to decomposed easily in the high concentration of CO2 .

加入硅质材料可以降低钢渣的C／S比，使水化产物中的硬硅钙石含量增加，耐压强度提高；

Siliceous material added may decrease the C / S of steel slag , increase the content of xonotlite in hydrates and compressive strength ;

用ICP-AES内标法测定硅钙锰中钙含量的研究

Determination of Ca Content in Si-Ca-Mn by Internal Standard ICP-AES

EDTA容量法测定硅钙合金中钙量的改进

Improvement on Determining Calcium Amount in Silica-calcium Alloy by EDTA Capacity-calculating Process

将具有中空结构的硬硅钙石二次粒子和具有纳米孔结构的SiO2气凝胶用真空复合技术将其制备成具有良好绝热性能的绝热材料。

The super thermal insulating materials can be prepared by using xonotlite with hollow structure and SiO2 aerogel with nanometer pores structure through vacuum compounded method .

这是在我国发现的首例碳硫硅钙石型硫酸盐腐蚀。混凝土中Thaumasite硫酸盐侵蚀的形成与特征

This is the first discovery of thaumasite form of sulfate attack in China . Thaumasite form of sulfate attack on concrete

通过研究影响管材环刚度的主要因素和提高管材环刚度的方法，确定了制备高密度聚乙烯（HDPE）/硅钙镁（SCM）晶须复合材料双壁波纹管的最佳配方；

The optimal formula for manufacturing double-wall corrugated pipes of high density polyethylene ( HDPE ) / calcium-magnesium silicate whisker composites was determined by analyzing the main influencing factor of ring-stiffness of pipe and the way to improve ring-stiffness .

在原料中加入Mn（CH3COO）2·4H2O添加剂后，对于生成的硬硅钙石晶体有一定的帮助，可以看到比较明显的硬硅钙石纤维；

It is useful to compose xonotlite by adding Mn ( CH_3COO ) _2 · 4H_2O as an additive . The fibers of such xonotlite are obvious .

采用LCA技术对利用钾长石粉体水热合成雪硅钙石、制备碳酸钾的工艺进行环境影响评价。

LCA technique was used to evaluate the influence of the procedure developed in this research to the environment in the process of the decomposition of the potassium feldspar and the preparation of the tobermorite .

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 .

主要研究结论如下：1.吸附试验表明：牡蛎壳和硅钙矿对Cd的吸附效果较好；麦饭石、硅钙矿和牡蛎壳对Pb的吸附吸附效果较好。

The main results in this study showed as follows : 1 . The adsorption experiment results indicated that oyster shell , silicon and calcium minerals had good adsorption on Cd , and medical stone , silicon and calcium minerals , oyster shell displayed better adsorption effects of Pb .

结果表明，液相中K2O的溶出率为40%～87%，固相反应产物为结晶良好雪硅钙石晶体。

The experimental results indicate that the dissolving rate of K_2O from potassium feldspar is 40 % ~ 80 % and the solid product is well_crystallized fibrous tobermorite .

用ICP-AES光谱仪、选取钇作为内标，研究测定硅钙钡中钙、钡、铝、铜的方法，建立了最佳的工作条件，并进行回收试验、准确度试验、干扰试验。

To research the method determining Ca , Ba , Al , Cu in silicon-calcium-barium alloy using Y as internal standard by ICP-AES spectrometer . The optimum working conditions are founded . The recovery experiment , precision experiment , interference experiment are carried out .

KAlSi3O8-Ca（OH）2-H2O体系钾长石水热分解-雪硅钙石晶化反应；

Hydrothermal decomposition of K-feldspar and crystallizing reaction of tobermorite in the system of KAlSi_ ( 3 ) O_ ( 8 ) - Ca ( OH ) _ ( 2 ) - H_ ( 2 ) O ;

石膏基复合胶凝材料硬化体结构为二水石膏、钙矾石晶体和硬硅钙石交叉共生，C-S-H凝胶包围在其周围及接触点，未反应完全的矿渣颗粒填充孔隙。

The structure of hardening gypsum-based cementing composite body is Calcium sulfate dehydrate , Ettringite and Xonotlite crosswise symbiotic crystallization , C-S-H ( gel ) around them with unreacted slag particles fill the pore .

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 .

原料中加入Sr（NO3）2添加剂后有利于生成硬硅钙石晶体，硬硅钙石二次粒子球形明显，也可以看到明显的硬硅钙石纤维；

Sr ( NO_3 ) _2 additive is also beneficial to the preparation of the xonotlite . The globular secondary particles could be seen obviously and the fibers could also be seen clearly by using Sr ( NO_3 ) _2 as an additive .

淮南电厂粉煤灰加石灰石在1340-1400℃温度下烧结并自粉化后用Na2CO3溶出，可有效地提取氧化铝，残留的硅钙渣是生产水泥的优质原料。

After fly ash of the Huai-nan Powerplant is sintered with the addition of limestone at 1340 & 1400 ℃ and self-disintegrated . ( from the sinter reacted with the solution of sodium carbonate . ) alumina can be efficiently extracted .

介绍了一种新型无机高分子絮凝剂&硅钙复合型聚合氯化铝铁（SCPAFC）在制革废水处理中的应用。

Applicaton of a new inorganic high polymer coagulant-silicon-calcium Poly aluminum-ferric Chloride ( SCPAFC ) in treatment of tannery waste water was introduced .

通过SEM分析，得出BFS固化体高温条件下强度衰退主要原因是由于硅钙石和钙矾石两种水化产物结晶发育不一致，固化体后期处于高应力状态而产生的。

Through SEM analysis the main reason of strength regression of BFS solid state under high temperature is due to the uneven growth of crystallization of hydrates of silicon calcic rock and calcium alumna rock and finally occurs under the high stress condition at the later period of solid state .

在1800kVA电炉上进行了优选炭质还原剂，探索硅钙产品降铝节能的作用效果。

Abstract Study on energy-saving and alumina-decreasing in smelting Si Ca by optimizing carbon reductant in 1800 kVA electric furnace has been taken , the result is remarkable .

新疆永安坝混凝土的碳硫硅钙石型硫酸盐腐蚀

Thaumasite form of sulfate attack in the concrete of Yong'an dam

全焦混合法冶炼硅钙合金的实践

The practice of total metallurgical coke mixing method in CASI smelting

用铬天青S光度法直接测定硅铁及硅钙合金中铝

Photometric Determination of Aluminium In Ferrosilicon and Silicon-Calcium Alloy with CAS

碳硫硅钙石型硫酸盐腐蚀研究综述

A summary of the research on thaumasite form of sulfate attack

硅钙钡铝复合合金的生产实践

Practice of si - ca - ba - Al alloy smelting