Calcium sulfide

Under the optimum conditions , the leaching results achieved match to those obtained in cyanide leaching after pre-eliminating of calcium sulfide .

在最佳浸出条件下，所得焙砂浸出结果，与焙砂预脱硫化钙后的氰化浸出效果相当。

The high combustion temperatures melt together the coal ash ( largely silica and alumna ) and calcium sulfide solids to form an inert slag that drains from the bottom of the boiler .

高温燃烧使得炭灰（富含硅和铝）和硫化钙熔为一体，从而产生固体残渣，从锅炉底部溢出。

Study on Catalytic Reduction of FGD Gypsum to Calcium Sulfide

烟气脱硫石膏催化还原为硫化钙的研究

The Production of Hydrogen Sulfide by Carbonation of Crude Calcium Sulfide

粗硫化钙碳化生产硫化氢气体小试

When refractory gold ore is roasted by addition of lime , the calcine will contain some of calcium sulfide .

难处理金矿石加石灰法焙烧时，所得焙砂含有一定量的硫化钙。

Rare-earth ion activate calcium sulfide has excellent luminescent property , it is important assistant agents of plastic film , which named light conversion agent ( LCA ) .

稀土离子激活的硫化钙发光材料具有优良的转光性能，是农膜中的重要助剂（简称转光剂）。

Bulk sample electrolysis results show that magnesium silicate , silicon oxide , calcium sulfide , sodium oxide inclusions in the main sizes of 100 ~ 400 μ m exist in high-carbon steel .

大样电解结果显示，高碳钢中主要有尺寸在100～400μm左右的硅酸铝镁、氧化硅、硫化钙、氧化钠夹杂。

With the quantitative analysis results of calcium sulfide and the amount of SO2 released , the phase composition of reaction product and the distribution of different kinds of sulfur in gas phase , solid phase were analyzed in detail .

结合亚甲基蓝分光光度法对最终产物中CaS的定量检测，系统研究了不同温度和O2浓度下最终反应产物的物相组成以及不同形态硫分在气固两相中的分布。

The catalytic reduction of flue gas desulfurization ( FGD ) gypsum to calcium sulfide over Ni Fe composite catalyst was investigated . An optimum conversion rate of more than 95 % was obtained at 650 ℃ .

采用Fe-Ni复合催化剂，在温度650℃条件下即可将烟气脱硫石膏催化还原为硫化钙，还原率达95%以上。

The mutual solution behavior and shape character of calcium manganese sulfide , both synthesized and formed in steel , have been investigated by using electrolysis extraction , X-ray diffraction , EPMA and SEM-EDAX .

应用电解抽取、X线衍射、电子探针、扫描电镜等分析技术，研究了合成物和钢中生成的钙锰硫化物的互溶特征与形态，明确了以下方面。

Basing on the measurements for contents of TOC , TN , TP , Calcium and sulfide and AMS dating of sediment from Honghu Lake , we discussed the response of human activities in the lake sediment . The variations of TOC , TN are agreed with each other .

对洪湖150cm长的沉积物样芯进行了TOC、TN、TP、Ca、硫化物测试和AMS定年，在此基础上对洪湖地区人类活动的湖泊沉积响应进行了讨论。

A Quantitative Study on the Relationship between calcium Content and Sulfide Morphology in Free Cutting Steel

易切削钢中Ca含量与硫化物形态的定量研究

The conductometry indicates sodium hydrogen tartrate , ethylenediaminetetraacetic acid disodium salt , calcium lactate and silver sulfide nanoparticles represent strong electrolyte behavior in dilute solution .

电导率测定表明酒石酸氢2扬州大学硕士论文钠、已二酸四乙酸二钠和乳酸钙纳米微粒在稀溶液中具有强电解质的行为。

In the presence of calcium , the sulfur reacts to form calcium sulfide ( CaS , a solid'non-gaseous'particle ) .

而氢不能吸收其它物质，仍然以氢气状态存在。