例如,一个新发现的称为黑曾石的矿物,是以黑曾的名字命名的,它仅仅由于一种生活在加利福尼亚州莫诺湖酸性水域的微生物产生的磷酸盐而形成。
For example, a newly discovered mineral called hazenite, named for Hazen, forms only because of phosphate produced by a microorganism that lives in the acidic waters of Mono Lake in California.
许多山区的湖泊冬天全部结冰,为掷石,骑马和塞狗提供场所,特别是圣莫里茨地区(St. Moritz)比较流行。
Many mountain lakes freeze over during winter and are used for curling, horse and dog racing, particularly around St. Moritz.
介绍了多晶莫来石纤维在加热炉上的使用效果。
Introduced the Mullite More fiber in the use of furnace effect.
这主要是由于蓝晶石细粉向莫来石转化时发生的体积膨胀效应所致。
This is mainly because of the effect of volumetric expansion which occurs when kyanite powder is transformed into mullite.
本文通过对材料的选用、施工以及使用效果进行分析,论述了多晶莫来石纤维可以在燃用重油的轧钢加热炉上使用。
This paper proves that polycrystalline mullite fibre can be used in rolling heating furnace which burns heavy oil by analyzing the selection, construction and effects of material.
由莫来石颗粒引入的基体拉应力使裂纹倾向于向晶内扩展。
The tensile stress in matrix introduced by mullite particles made the cracks incline to extend into the matrix.
莫来石凝胶是制备超细莫来石的优良先驱物,主要分为单相和双相凝胶。
Mullite gels are excellent precursors for preparing fine mullite. Mullite gels consist of monophasic gel and diphasic gel.
首先,研究了红柱石的粒度和加入量对莫来石-刚玉材料性能的影响。
At first, the effect of particle size and additions of andalusite on mullite-corundum materials were studied.
介绍了济钢热连轧加热炉上存在的问题及多晶莫来石耐火纤维在济钢热连轧加热炉上的应用效果。
Introduces some problems in Jigang hot continuous rolling heating furnace and the application effect of multicrystal mullite refractory fiber in the walking-beam furnace.
与块体莫来石陶瓷相比,在保证材料强度降低较小的情况下断裂韧性提高了62%。
The fracture toughness of the composite was increased 62% with little decrease of flexure strength when compared with mullite monolithic ceramics.
用透射电镜和扫描电镜研究了莫来石陶瓷的亚结构特征和断裂过程。
The substructure and the fracture process of mullite ceramics were studied by TEM and SEM.
其次,研究了蓝晶石的粒度和加入量对莫来石-刚玉材料性能的影响。
Secondly, the effect of particle size and additions of kyanite on properties of mullite-corundum was studied.
本文对国内外制备莫来石晶须的合成方法作了简要的综述。
Some methods about preparation of mullite whisker at home and abroad are reviewed in this paper.
这种多孔莫来石纤维陶瓷具有较均匀的孔分布,并且孔隙率高达96·22 %。
The porous mullite ceramics showed a uniform pore size distribution and a porosity of 96.22%.
结果表明:在N2气氛中,直接混磨法更易获得碳化硅与锆莫来石基质的匹配和较高的力学性能。
The results showed the high mechanic properties and the good match could be reached by direct-milled method under N2 atmosphere.
由热压和液相烧结方法制得了具有各种莫来石含量和显微结构的莫来石—堇青石复合体。
Mullite - cordierite composites with various mullite contents and microstructures were prepared by liquid phase sintering and by hot pressing.
达到烧结后,试样的常温强度随基质中莫来石含量的减少逐渐降低,高温荷重软化温度逐渐升高。
After the specimens were sintered, with the decrease of the content of mullite in matrix the bend strength decreased, but the refractoriness under load increased.
以正硅酸乙酯和硝酸铝为原料,采用溶胶-凝胶法制备出了超细的纳米莫来石。
Fine mullite powder was synthesized by sol-gel process with tetraethoxysilane (TEOS) and aluminium nitrate as raw material.
产品特点:低气孔率粘土砖是采用低氯莫来石为主要原料,经高压成型、高温烧结而成,主要矿物组成为莫来石相。
Properties of Products: low porosity bricks USES low mullite stones as main raw material, main mineral compositions are mullite phases after pressing sintering.
通过引入烧结莫来石颗粒料,浇注成型生产的莫来石质反射炉炉门砖,使用寿命明显高于进口砖。
The casted door brick for reverberatory furnace which introduced mullite grains has an obvious longer service life than the imported brick .
氧化锆增韧莫来石(ztm)是优良的高温结构陶瓷材料。
Zirconia Toughened Mullite (ZTM) ceramics is one of finest Performance high temperature structure ceramics.
采用环缝磨制备了莫来石微粉。
并采用合成的钛酸铝—莫来石复相材料进行了钛酸铝—莫来石窑具的制备研究。
The preparation of the aluminum titanate-mullite kiln furniture using aluminum titanate-mullite composite was studied.
介绍了多晶莫来石纤维在梁、底组合步进式加热炉上的使用效果。
This paper introduces the application effect of multicrystal mullite refractory fiber in walking furnace with unity of beam and bottom.
研究了烧结温度和莫来石含量对复合材料的介电性能和抗弯强度的影响。
The effect of the sintering temperature and the mullite content on the dielectric properties and the bending strength has been studied.
最后,研究了硅线石的粒度和加入量对莫来石-刚玉材料性能的影响。
At last, this paper studied the effect of particle size and additions of sillimanite on properties of mullite-corundum materials.
煅烧处理过的高岭土经水热反应后得到纳米级莫来石复合晶体,TEM观测到其晶粒发育良好。
The composite nanocrystalline of mullite was prepared via hydrothermal reaction of calcined kaoline. It was observed that growth of the nanocrystalline grain was good in TEM.
通过试验给出了莫莱石-堇石(莫-堇)滤池总水头损失计算公式,探付出了一系列设计计算多数。
This paper introduces formula total water headloss of MC media filter anddiscusses the parameters of design calculation of MC media filter through the experiment.
通过试验给出了莫莱石-堇石(莫-堇)滤池总水头损失计算公式,探付出了一系列设计计算多数。
This paper introduces formula total water headloss of MC media filter anddiscusses the parameters of design calculation of MC media filter through the experiment.
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