氧化镁的

Surface modified nano-sized mgnesium hydroxide was prepared by direct precipitation method with magnesium nitrate hexahydrate and sodium hydroxide as raw materials,and sodium fatty alcohol polyoxyethylene ether carboxylate as modifying agent.The optimum dosage of modifying agent was 0.2% of the mass of magnesium hydroxide,which was confirmed by sediment volume experiment.Modified and unmodified samples were characterized by fourier transform infrared spectroscopy,X-ray diffraction,transmission electron microscope,and tap density test.

以六水硝酸镁、氢氧化钠为原料，脂肪醇聚氧乙烯醚羧酸钠为改性剂，采用直接沉淀法一步合成改性纳米氢氧化镁，用沉降体积实验确定改性剂的最佳用量为氢氧化镁质量的0.2%，通过红外光谱、X射线衍射、透射电镜、表观密度对改性前后的样品进行表征。

Our company is a magnesia oxide, alumina production and sales of private enterprise, dedicated to a variety of magnesia oxide, alumina development and production.

13969308234我公司是氧化镁，氧化铝生产及销售为一体的民营企业，致力于各种氧化镁，氧化铝的开发和生产。

See from the nature and purpose, the productions which develop fasted currently at home and abroad are light magnesium carbonate, magnesium and magnesium hydroxide.

从性能和用途来看，当前国内外发展最快的是轻质碳酸镁、氧化镁和氢氧化镁等。

With the material of magnesium chloride and sodium hydroxide,Magnesium hygdroxide was produced by adding Magnesium hygdroxide seeds .

以氯化镁为原料，以氢氧化钠为沉淀剂，采用加入氢氧化镁晶种的方法制备氢氧化镁。

Just about the rare-earth which absorbed in top of the phaseβ, the growth of bacillary compounds is restrained. Thereby, the grain is refined and the impact flexibility is increased . In

另外，稀土元素在镁合金表面的聚集可以和氧化镁组成复合氧化膜，从而加大了镁合金氧化膜的致密度，由此起到了很好的阻燃作用。

The paper elaborateds the methods for the magnesium salt whisker synthesis which contains magnesium pyroborate whisker、basic magnesium sulfate whisker、magnesia whisker ect.

详细阐述了硼酸镁、碱式硫酸镁晶须和氧化镁晶须等镁盐晶须的合成方法，着重介绍了镁盐晶须作为增强材料在金属铸造、复合材料、塑料等行业的应用。

Experimental results revealed that triethanolamine has remarkable effect on arc restraining,which ...

实验结果表明：三乙醇胺可以有效抑制火花放电，增加膜层的厚度，使表面孔隙变小，提高表面光洁度；当三乙醇胺浓度为30g.dm-3时，膜层耐蚀性能最好；在阳极氧化过程中，三乙醇胺化学吸附于镁合金表面，从而改变微弧氧化过程中氧气气泡在镁合金表面的吸附强度和氧气气泡的大小，降低了微弧氧化陶瓷层孔隙率，提高了阳极氧化膜的致密性和耐蚀性。

The effect of the magnesium hydroxide/chlorinated paraffin/antimony trioxide flame retardant system on the properties of CM was investigated and compared to that of the magnesium hydroxide alone.

研究单独使用氢氧化镁及氢氧化镁/氯化石蜡/三氧化二锑并用阻燃体系对氯化聚乙烯橡胶性能的影响。

Re-sults:it was shown that Nano MgO had excellent germicidal efficacy to the Escherichia coli and Staphylococcus aureus.To such spore as Bacillus subtilis var.niger spore,Nano MgO also produced good germicidal effect.It was proposed that abrasiveness,alka-linity,electrostatic attraction,and oxidizing power of nano MgO all combined to promote these biocidal properties.

结果： ①纳米氧化镁能有效杀灭大肠杆菌，对枯草杆菌黑色变种芽孢也有显著的杀灭效果；②纳米氧化镁对金黄色葡萄球菌和枯草杆菌黑色变种芽孢有很好的抑菌作用；③纳米氧化物的磨蚀性、碱性、氧化性以及对微生物的静电吸附使它具有抑菌和杀菌作用。

The industrial magnesia and vitriol are used to produce magnesium sulfate in this paper, and the simulated wastewater is prepared using magnesium sulfate and kaolin. The flocculating effect of polyacrylamide, cationic polyacrylamide and anionic polyacrylamide is studied and compared through measurement of absorbency by spectrophotometer.

利用工业氧化镁和硫酸制备一定浓度的硫酸镁，结合高岭土配制氧化镁烟气脱硫的模拟废水，通过分光光度计吸光度测定了聚丙烯酰胺、阳离子型聚丙烯酰胺和阴离子型聚丙烯酰胺在模拟废水中的絮凝效果。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。