氧化钙

GB/T6900.6-1986粘土、高铝质耐火材料化学分析方法EDTA容量法测定氧化钙量

Fireclay and high-alumina refractories Determination of calcium oxide content EDTA volumetric method

碱熔EDTA滴定法测定生料中氧化钙

Determination of calcium oxide in raw material by titration with EDTA after base melting

碳酸钙加热分解，生成氧化钙和二氧化碳。

The thermal decomposition of calcium carbonate produces calcium oxide and carbon dioxide .

含al2o3氧化钙的水化产物鉴定。

Determination on hydrated products in Cao clinker containing al_2o_3 .

碳酸钙和氧化钙脱除煤气中H2S和COS的研究

Removal of H_2S and COS in Coal-gas with CaCO_3 and CaO

石灰石和氧化钙脱除H2S和COS动力学研究

Kinetics on removal of H_2S and COS with CaCO_3 and CaO

铅盐沉淀分离EDTA滴定法测定钼酸钙中氧化钙量

Determination of CaO Content in CaMoO_4 by Precipitation Separation of Lead Salt-EDTA Titration

重点研究了以纳米碳酸钙为前驱物，采用溶胶凝胶法在其表面进行包覆SiO2改性，通过高温煅烧制备表面包硅改性的纳米氧化钙高温CO2吸附剂的样品。

Nano-scale CaCO_3 particles were surface-coated with SiO_2 using a sol-gel method and used as high temperature CO_2 adsorption premonitory material .

同时，氧化钙的加入增加了H2、CO以及脂肪烃类的产率，且明显地增加了气体的热值。

The addition of calcium oxide also increases the yields of H_2 , CO , aliphatic hydrocarbons and the thermal value of gas .

氧化钙对R2O-CaO-SiO2-F系统微晶玻璃析晶和性能的影响

Effect of CaO content on structure and crystallization of r_2o-cao-sio_2-f glass-ceramics

由丁酰氯和糠醇反应，以廉价的氧化钙和碳酸钠为复合束酸剂，合成了香料丁酸糠醇酯，并用IR、GC等进行了表征。

Using sodium carbonate and calcium oxide as cheap acid-capturer , perfume furfuryl butyrate was synthesized from furfuryl alcohol and butyryl chloride , and was characterized by GC and IR .

AAS法测定锌电解质中的氧化钙及氧化镁含量

The Use of the Atomic Absorption Spectrophotometric Method to Determine the Amount of Calcium Oxide and Magnesium Oxide in the Zinc Electrolyte

因此，乙二醇结合TG法可以测定钢渣中真实的游离氧化钙的含量，准确率在95%以上。

Results indicated that the real content of free calcium oxide in the steel slag can be measured by glycol-TG method and its precision was more than 95 % .

本文研究了水温与水泥中游离氧化钙（f－CaO）水化膨胀速度、水泥胶砂强度和混凝土强度的相互关系；

In this paper , the relationships between water temperature for managing specimens and hydration expansion rate of f-CaO in cement , cement mortar strength and concrete strength have been studied .

以氧化钙和CO2为主要原料，用超重力RPB反应器制备了立方型纳米碳酸钙粉末。

Nanometer calcium carbonate powders prepared by the carbonation reaction in HG reactor through Ca ( OH ) _2 and CO_2 was studied .

设计了18个熟料组成并分别在1350℃，1400℃，1450℃和1500℃下进行煅烧，对所得熟料作游离氧化钙及X射线衍射测试。

18 clinker compositions were designed and burned at 1350 ℃, 1400 ℃, 1450 ℃ and 1500 ℃ . The resultant clinker was analyzed of the content of free lime , and X-ray diffraction analysis was done .

低合金钢中主要有尺寸在100～1000μm左右的合金元素V、Cr、Ti的氧化物、硅酸铝、氧化铝、氧化钙、氧化钠夹杂。

There are in sizes of about 100 ~ 1000 μ m alloying elements V , Cr , Ti oxides , aluminum silicate , alumina , calcium oxide , sodium oxide inclusions in low-alloy steel .

日产C法和Norsk-Hydro流程磷矿溶解槽内不同氧化钙析出率对结晶体的影响

The influence of different precipitation rate of CaO on crystallization in phosphate rock digester by the both Nissan C and Norsk-Hydro processes

采用单一扫描速率法（2℃/min）对氧化钙粉末在CO2气氛中的碳酸化反应进行了热分析动力学研究。

Carbonation kinetics of CaO powder in CO_2 has been investigated by means of single scan rate of 2 ℃ / min for information valuable to the kinetics research of surface carbonation of MgO-CaO clinker .

介绍世界黄金工业中近年发展起来的以过氧化氢、过氧化钙等为氧化剂的过氧化物辅助浸出（PAL）法氰化提金新工艺。

This paper introduces the world advance in cyanide leaching reinforced by peroxide assistant leaching , in which the hydrogen peroxide or calcium peroxide is used as oxidant .

高KH熟料的特性及高游离氧化钙水泥的机械力化学改性研究

Study on the performance of clinker with high moduli and the mechano-chemical modification of cement with high content of free CaO

结果表明：在用氧化钙熔融法分解富锆尾矿过程中加入少量NaOH可以大大提高锆的浸出率。

It was found that the leaching percentage of Zr can be great increased by adding a little NaOH in the fusing process of concentrated Zr tails reacting with CaO .

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 .

借助化学分析测定了水泥熟料中游离氧化钙（f-CaO）的含量，用X射线衍射（XRD）分析了熟料矿物组成，采用差热分析（DSC）研究了矿物形成过程。

The f-CaO content , mineral composite and formation process of mineral in the clinker were analyzed respectively by chemical analysis , X-ray diffraction ( XRD ) and differential scanning calorimetry ( DSC ) .

同时，掺加CaF2能有效降低熟料中游离氧化钙的含量，促进阿利特在低温条件下形成。

The results also show that CaF2 can effectively reduce the content of f-CaO and accelerate the formation of Alite in the lower temperature .

炉渣组成位于2CaO·SiO2－液二相区内，可以保证合适的冶炼温度和最大的氧化钙活度；

The composition of slag lies in 2CaO · Sio_2-liquid biphase zone , and that can assure proper smelting temperature and maximum activity of Cao ;

氧化钙类和硫铝酸钙类（AFt）可补偿混凝土的早期收缩，但分别在28和60d后仍会出现后期收缩现象。

The early concrete shrinkage with CaO-type and AFt-type expansive agents may be compensated , but the later shrinkage after 28 and 60 d cannot be compensated .

用硝酸铋分离磷酸根离子，在滤液中用EGTA－EDTA分别测定氧化钙，氧化镁较之传统方法简便效果好。

Precipitated and separated phosphate radical with bismuth nitrate , CaO and MgO in filtrate are de-terminated by EGTA-EDTA titrimetry , The method is simpler and more accurate than the traditional one .

研究了灰中活性氧化钙的溶出动力学和灰水曝气动力学，在此基础上，提出并探讨了自然曝气法处理高pH值灰水和自然曝气-阻垢剂法绿色防垢技术的可行性。

The dissolving kinetics of free CaO in water and the aerating kinetics of ash-water were studied . And on the basis of that , the feasibility of treating high pH value ash water by being exposed to weather , and the feasibility of nature aerate-scale inhibitor technology were discussed .

采用形态分离法，研究了硫酸钙、氧化钙、铝土矿三种固体吸附剂在煤燃烧过程中对痕量重金属元素Cd，Pb，Co，Cu和Ni释放的化学控制。

Three solid sorbents ( Calcium sulfate , Calcium oxide and bauxite ) were used to control the emission of heavy metals ( Cd , Pb , Co , Cu , Ni ) in coal combustion . The speciation extraction method was applied to study the chemical control .