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长石
相关语句
  feldspar
    Thermodynamic Analysis of Thermal Decomposition of Potash Feldspar and Calculation of ΔGT
    钾长石热分解热力学分析和ΔG°_T计算
短句来源
    Based on the raw materials of clay,calcined Kaolin,feldspar,spodumene and claimed alumina,molded by semidry molding and fired in the temperature range from 1210℃ to 1220℃,the new ceramic tile with higher bulk density,compressive strength and thermal conductivity has been manufactured.
    以粘土、煅烧高岭土、长石、锂辉石和煅烧氧化铝等为原料,采用半干压法压制成型,在1210~1220℃温度范围内烧成,研制了具有较高体积密度、抗压强度和导热系数的新型陶瓷墙地砖。
短句来源
    on the basis of feldspar ceramics, adding more albite, firing temperature of domestic fine pottery are depressed to 1230℃ and firing time are depressed to 2 hours. Product Quality accords with national standard GB/T3532-1995(domestic fine pottery).
    作者在长石瓷的基础上,引入多量的钠长石,将日用细瓷的烧成温度降低到1230℃烧成周期缩短为2小时,产品质量符合GB/T3532-1995《日用瓷器》国家标准。
    DEVELOPMENT OF PROCESS TO EXTRACT RbCl FROM RUBIDIUM BEARING FELDSPAR
    从含铷的长石中提取RbCl的工艺研究
短句来源
    Effect of Feldspar's Particle Size Distribution on Flat Glass Melting
    长石粒度对平板玻璃熔制的影响
短句来源
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  felspar
    Development of Fire-Proof Felspar Powder Calcium Silicate Board
    长石粉防火硅酸钙板的研制
短句来源
    To produce the calcium silicate board by using felspar powder instead ofquarth powder can lower the product cost, turns the waste material into a benefit and is beneficial to theenvirorunental protection.
    使用长石粉替代石英粉制造硅酸钙板,可降低产品成本,且变废为宝,有利于环境保护。
短句来源
    SiC powder as the backbone together with the ceramic binder comsposed of felspar mixed with clay and pore-forming carbon were chosen, several firing temperatures were experimented, and some porosities and strengthes of the porous SiC ceramics were analysed.
    选用 SiC作为骨料,长石和粘土组成的陶瓷结合剂和活性C作为成孔剂,对不同的烧成温度下SiC多孔陶瓷的气孔率和强度进行了研究。
短句来源
  “长石”译为未确定词的双语例句
    EFFECT OF DIOPSIDE ON MICROSTRUCTURE OF QUARTZ-CLAY-FELDSPAR TERCOMPONENT CERAMICS
    透辉石对石英-粘土-长石三组分陶瓷显微结构的影响
短句来源
    EFFECT OF DIOPSIDE ON PERFORMANCE OF QUARTZ-CLAY-FELDSPAR TERCOMPONENT CERAMICS
    透辉石对石英-粘土-长石三组分陶瓷性能的影响
短句来源
    PREPARATION OF β-WOLLASTONITE GLASS-CERAMICS FROM POTASH FELDSPAT TAILINGS
    利用钾长石尾矿制备β-硅灰石微晶玻璃的研究
短句来源
    EFFECT OF ANDALUSITE ON PHYSICAL PROPERTIES OF QUARTZ-CLAY-FELDSPAR TERNARY CERAMICS
    红柱石对石英-粘土-长石三组分陶瓷性能的影响
短句来源
    The body belonged to clay-quartz-feldspar system, its Al2O3 content was lower than that of Yaozhou and Hunyuan wares.
    胎质属粘土—石英—长石系,其Al2O3含量比耀州和浑源低。
短句来源
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  feldspar
The rocks are classified into greywackes or feldspar sandstones, grains of which are the mixtures of mafic rocks, felsic rocks, and quartz+calcite.
      
In conjunction with high abundances of Ba and Sr, as well as low abundances of Y and HREE, these patterns suggest a feldspar-poor, garnet±amohibole-rich fractionation mineral assemblage.
      
Empirical relationships describing the composition dependences of the chemical durability of glasses in the diopside-albite, diopside-anorthite, diopside-orthoclase, diopside-quartz, and diopside-feldspar systems are derived.
      
Two glasses of the same chemical composition manufactured while using two different sources of aluminosilicates: (1) sodium feldspar and (2) volcanic tuffs have been compared [1].
      
The influence of bacterial activity on glauconite formation is supported by the study of dissolution zones on quartz and feldspar grains, which revealed biomorphic structures akin to fossilized bacteria.
      
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  feldspars
It is shown that, in the composition range with an iron content of lower than 3.3 wt %, cenospheres involve nanosized crystalline phases, such as feldspars, ferrispinels, and pyroxenes.
      
The presence of rocks on Mercury's surface, such as anorthosites (consisting mainly of calcium plagioclase) and feldspars, was reliably established in the course of such investigations.
      
Thermal infrared spectra are also indicative of the presence of feldspars, pyroxenes, and igneous nepheline-bearing alkali syenites.
      
The fine silt fraction consists of quartz, kaolinite, chlorite, hydromica, smectite, and feldspars.
      
The medium silt fraction consists of quartz, kaolinite, mica, and feldspars.
      
更多          
  felspar
The quartz, felspar, chlorite and calcite are the main non-clay minerals in the planting material.
      
The adhesion of cells of Salmonella typhimurium to albite, biotite, felspar, magnetite and quartz was correlated to the presence of fimbriae and degree of hydrophobicity and charge of the bacterial surface.
      
The Lewisian rocks in the area studied show a gradation from hornblende-felspar schists to striped and banded schists and gneisses to hornblendic and felsic lenses and pods.
      
Petrographic data show that during pressure solution the breakdown of felspar and epidote results in the crystallisation of clay mineral, quartz and siderite.
      
Thus the basicity of the plagioclase felspar phenocrysts should not be considered as an important character for a basaltic rock, but the relative proportions of the femic and salic constituents are to be considered.
      
更多          


During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded. This can be ascribed to the action of very fluid fluoride-containing slags.Moreover, the products of corrosion reactions also have low viscosity which easily flow away from the working face, and leave a new surface fresh for further attack.The stack lining with the same 45%-Al_2O_3 blast furnace brick was, however, in fairly good condition. The chemical analyses of the...

During the smelting of an iron ore containing high fluoride content in a small blast furnace, the hearth refractories were severely corroded. This can be ascribed to the action of very fluid fluoride-containing slags.Moreover, the products of corrosion reactions also have low viscosity which easily flow away from the working face, and leave a new surface fresh for further attack.The stack lining with the same 45%-Al_2O_3 blast furnace brick was, however, in fairly good condition. The chemical analyses of the inner surface of the brick samples show a high percentage of alkali-,alkaline earth-and fluoride-ion contents. But as the amount of melt formed at the temperatures on these zones is comparatively little, that corrosion is not severe.Minerals identified at the stack lining surface consist of: fluorite, fluoro-biotite, kaliophilitenephelite, leucite, cuspidine and spinels etc. This is the first time that mica minerals have ever been identified in blast furnace linings. It is thought that the formation of fluoro-biotite has fixed a part of the F~-, K~+ or Ca~(2+)-ions, which would otherwise go into the melt. Thus its formation actually exerts some protective action against the corrosion of the stack lining.The higher temperatures prevailing in the bosh region in contrast to the stack caused the formation of a much larger amount of fluoride-containing melt, which is probably responsible for the remarkable degree of Corrosion on the bosh refractories.High temperature experiments carried out in the laboratory on the reactions betwccn CaF_2 and 45%-Al_2O_3 brick powder in closed graphite crucibles throw light to explain the process of corrosion of the furnace lining. Hexagonal anorthite was identified in all of these experimtnts, which has identical optical properties and X-ray diffraction patterns with those of hexagonal anorthite synthesized in our laboratory. It is also interesting to note that these hexagonal anorthites change over to normal triclinic modification under heat treatment at 1000℃ for a period of 24 hours.As a result of this and other previous studies in this laboratory, the appropriate selection of refractory materials for the lining of blast furnaces, smelting iron (?)e containing high fluoride content, is recommended.

在某地高氟含量铁矿石的冶炼过程中,炉缸粘土质高炉砖砖视遭到了极其严重的破坏作用。主要侵蚀介质是含氟炉渣,侵蚀产物容易从砖面流失,因而加速了耐火材料的溶解。在炉身部位发现的矿物是:氟化钙、含氟黑云母、钾和钠的铝矽酸盐、枪晶石及尖晶石等。虽然在砖面附着物中包含着相当数量的氟、硷金属及硷土金属的化合物,但是由于温度较低,只有少量熔体出现,砖衬的损毁情况,并不严重。在高炉砖衬中发现云母矿物,还是第一次。在炉身部位的温度条件下,含氟黑云母具有固定F~-,K~+成Ca~(+2)的能力,对砖机起了保护作用。由于炉腹部位的温度较高,较大量含氟熔体出现,侵蚀就相当显著了。 CaF_2—45%Al_2O_3高炉砖的化学反应实验,可以帮助了解高炉砖视的损毁过程。反应产物中发现有六方钙长石,与实验室合成的六方钙长石具有一致的光学性质和X—射线粉末衍射图型。经过1000℃,24小时热处理后,这种六方钙长石会转变成为三斜晶系变体。 根据两个高炉砖衬的化学-矿物学研究及实验室中辅助研究的结果,对于冶炼高氟含量矿石的高炉砖衬的选择提出了建议。

CaO-Al_2O_3-CaO·SiO_2-CaF_2,1,5 1,8~~

我们研究了用不同品位的含氟铁矿石和不同配料所得高炉炉渣的矿物粗成。组成炉渣的结晶物相主要是黄长石固溶体、枪晶石、螢石、乙型正矽酸钙、矽钙石、褐硫钙石及含稀土矿物,另外还有玻璃质。这种炉渣是一种新的类型,它和任何别处研究过的高炉渣的岩石性质都不相同。这种炉渣的结晶过程基本上可以在CaO-Al_2O_3-CaO·SiO_2·CaF_2四元系中来研究,无须牵涉到更为复杂的多元系。 含氟炉渣对于高炉炉衬耐火材料的腐蚀性能是在生产上极关重要的一个问题。从工艺岩石研究结果得到炉渣碱度有一临界值。碱度在此值之上时,炉渣不易腐蚀炉衬,而在此值之下时炉渣严重地腐蚀炉衬。此临界值为一稍高于1.5的数值。冶炼试验结果此数值为1.8。理论数值与经验数值相当好地吻合。 通过炉渣的工艺岩石学研究,我们提出来关于炉渣综合利用的初步意见。

11SiO_2 Al_2O_3, K_2O Na_2O (K_2O) SiO_2 Al_2O_3.

某钢铁公司以11立方公尺小高炉进行含氟矿石的炼铁试验时结了炉瘤。应用各种岩石学方法监定出来组成炉瘤的物相有螢石、云母、钾霞石、白榴石、枪晶石、斜长石、焦碳、硫化铁、金属铁、金属铅、含稀土元素矿物,氟矽钾石及玻璃质。又监定了组成炉缸渣皮和铁口渣皮的物相有黄长石、枪晶石、刚玉、焦炭、石墨和玻璃等。参照炉瘤的化学分析,推论了炉瘤中各种主要物相形成的物理化学反应。 比较组成炉瘤的物相和组成渣皮的物相的晶体化学特征可以推论出来,炉瘤和渣皮的组成成分在融熔状态下的物理性是确区别的。这对于了解炉瘤的成因是有帮助的。用图表方法比较各种炉瘤的化学成分与相应的末渣的化学成分可以看出,炉瘤中含SiO_2及Al_2O_3都比炉渣中高,特别是炉瘤中含K_2O和Na_2O更显著地多。 在炉身中部富集了碱金属,加上由于高炉操作不正常,温度突终升高时形成了非正常的初渣,它粘着于炉壁并将炉料粘给起来,逐渐形成炉瘤。 氧化矽和氧化铝的富集对于炉瘤的生长也有关系。 根据以上研究提出了减少结瘤机会的方向。

 
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