查询词典 magnesia

The phase constitution and structure of a partially stabilized Zirconia with yttria and magnesia have been investigated by means of electron diffraction, diffraction contrast image, X-ray diffraction and image simulation.

通过透射电子显微术、X射线衍射和电子计算机图像模拟等手段、对由Y〓O〓和MgO复合稳定的ZrO〓陶瓷—-PSZ的相组成和相结构进行了观察测定。在此基础上，对电子衍射谱中的漫散射现象进行了系统、细致的研究。

The feldspar in A-type granite is perthite, the dark alkali-minerals in which are arfvedsonite or manganese-bearing magnesia- arfvedsoniteand aegirine.

碱性花岗岩中的长石为条纹长石，暗色矿物为钠铁门石或含锰镁质钠铁门石及霓石。

Based on the discussion of the effect of the refractories on clean steel making, it is concluded that alkali refractories can reduce oxygen and sulfur contents, carbonless or low carbon refractories can suppress carbon pick up of steel; The antihydration property of magnesia calcium system can be improved by surface treatment.

通过耐火材料对纯净钢冶炼影响的讨论，得出发展碱性耐火材料可以脱硫和脱氧、无碳和低碳耐火材料可以抑制增碳、用表面处理的方法可以改善镁钙系耐火材料的抗水化性和合理使用耐火材料可以有效地减少钢中的氢含量的结论

Different molar ratios of magnesia cement raw materials were controllably prepared at the inlet temperature of 750℃ by changing the feeding rate of hydrate magnesium chloride.

探讨了影响流态化法热解水合氯化镁的主要因素，在进口温度750℃下，改变进料速度，可控地制备了不同摩尔比的镁水泥原料。

Producing metal Mg with magnesia supported by electrolytical chloride is a new method and also a good method to be propitious to environment.

利用氧化镁在氯化物电解质的支持下电解出金属镁是一种全新的生产方法，也是一种有利于环境保护的冶镁方法。

This is a development of a new generation of "heavy duty" magnesia brick based on HERCYNITE SPINEL and special burning technology.

该产品是基于铁铝尖晶石和特殊烧结技术而发展的新一代&重型&镁质砖。

The results from laboratory research indicated that the max rate of dry leaching is 4%;The rate of wet leaching of vitriol is higher than hydrochloric acid, when the concentration of vitriol is 40%, measuring Ratio of Solid to Liquid of serpentine and vitriol is 4:1.,and joined helper leaching agent: HF (The amount put in is 1.2%-1.5% of the 40% vitriol), the rate of leaching of magnesia could over 98%. After using ammonia to trash extraction, basic magnesium carbonate is acquired by ammonium hydrocarbonate.

经过实验室研究，干法氧化镁的浸出率未超过4％；湿法硫酸的浸出率高于盐酸，在硫酸浓度为40％，硫酸与蛇纹石的液固比为4：1时，加入助浸剂HF(加入量为40％硫酸质量的1.2％-1.5％)后氧化镁的浸出率为98％以上。

Presented a new method for producing hydrogen using formic acid as the new material,which has not been reported,investigated the feasibility of adopting nickel as the active component of the catalyst for formic acid reaction for hydrogen production,analyzed the effect of using magnesia and lanthana as co-catalyst on the resistance to carbon formation.

以甲酸为原料制取氢气，考察了镍作为甲酸制氢催化剂活性组分的可行性以及镁和镧作为助催化剂的抗析碳作用。

This invention relates to method of using boron magnesium fertilizer to produce fiber shape magnesium hydroxide fire retardant. First dissolve boron magnesium fertilizer, then add magnesia and oxydol to solution to carry out sulfuric acid neutralization and ferrous ion oxidation, remove iron ion, then add ammonium bicarbonate to carry out metathetical reaction.

利用硼镁肥生产纤维状氢氧化镁阻燃剂的方法，涉及一种制取纤维状氢氧化镁的方法，首先将硼镁肥溶解，然后向溶液中加入氧化镁和双氧水进行硫酸中和与亚铁离子氧化并除去铁离子，然后对余液加入碳酸氢铵进行复分解反应。

The phase constitutions of Magnesia-based dry vibratable materials is designed by the analysis of phase equilibrium digrams, in which the periclase is host crystalline phase, the Spinel, Forsterite and Monticellite et al are the bonding phase in matrix.

本文通过相图分析设计了镁质干式振动料的物相组成，其主晶相为方镁石，基质为镁橄榄石、尖晶石及少量的钙镁橄榄石等。

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。