1) cordierite porcelain
堇青石瓷
2) Cordierite ceramics
堇青石陶瓷
1.
Cordierite ceramics were prepared using clay,talc and alumina powders as main starting materials and firing green bodies at 1370 ℃～1400 ℃.
以粘土、滑石、氧化铝等为原料 ,压制成型后于 1 3 70～ 1 40 0℃烧成 ,合成了堇青石陶瓷。
2.
In the present work,the cordierite ceramics were prepared with powder sintering method.
采用X射线衍射仪、差热分析仪和热膨胀仪等手段研究了由氧化物粉末 (MgO、Al2 O3 和SiO2 )制备堇青石陶瓷时 ,添加Bi2 O3 对堇青石陶瓷相变和性能的影响 ,分析了Bi2 O3 在烧结过程中的作用机理是低温产生液相促进烧结。
3.
The effects of high-energy ball milling and subsequent heat-treatment on the phase components and the transformation process of cordierite ceramics prepared with oxide powder were studied using XRD and SEM .
采用X射线衍射 (XRD)和扫描电镜 (SEM )研究了由氧化物粉末制备堇青石陶瓷时 ,高能球磨及其后续热处理对堇青石陶瓷相组成和相变过程的影响 ,分析了高能球磨的作用机理 ;探明了经高能球磨的样品在低温烧成 (90 0℃ )时 ,首先出现了新的中间相镁铝尖晶石 (MgAl2 O4) ,110 0℃中间相消失。
3) cordierite honeycomb
堇青石蜂窝陶瓷
1.
Selective catalytic reduction(SCR) of NO over CuO/cordierite honeycomb catalyst;
堇青石蜂窝陶瓷载CuO选择催化还原NO的研究
2.
A novel TiO 2/Al 2O 3/ceramic cordierite honeycomb(CC)-supported V 2O 5-MoO 3-WO 3 monolithic catalyst was studied for the selective reduction of NO with NH 3.
以TiO2 /Al2 O3 /堇青石蜂窝陶瓷为载体 ,以V2 O5 MoO3 WO3 为活性组分 ,用于氨法选择性催化还原烟气中NO的新型催化剂 ,并对该催化剂的活性性能和微观结构进行了评价和表征 。
4) ceramic cordierite honeycomb
堇青石蜂窝陶瓷
1.
A selective catalytic reduction(SCR) catalyst was prepared using ceramic cordierite honeycomb modified by silica gel as the carrier and Cu-O,Cu-Ce-O and Cu-Ce-Mn-O as the active components.
以硅胶改性堇青石蜂窝陶瓷为载体,分别制备了以Cu-O、Cu-Ce-O和Cu-Ce-Mn-O为活性组分的催化剂。
2.
With ceramic cordierite honeycomb as a carrier and Cu,Cu-NiO,Cu-NiO-La_(2)O_(3) or Cu-NiO-Ce_(2)O_(3) as active components,several catalysts were synthesized for the selective catalytic reduction of nitrogen oxide with urea as reductive agent.
制备以堇青石蜂窝陶瓷为载体,以Cu、Cu-N iO、Cu-N iO-La2O3、Cu-N iO-Ce2O3为活性组分,以尿素为还原剂,选择催化还原氮氧化物的催化剂,并对催化剂的活性在423~623 K范围内进行了评价和比较,筛选出活性较高、较有研究前景的催化剂。
5) cordierite ceramica material
堇青石陶瓷材料
6) Cordierite ceramic substrate
堇青石陶瓷载体
补充资料：堇青石
| 堇青石 cordierite 环状结构硅酸盐矿物，成分为(Mg，Fe)2Al3[AlSi5O18]。成分中铁和镁可以完全类质同象代替，富铁的端员称为铁堇青石，自然界产出的多是富镁的成员。常可有一定数量的水和钾、钠离子存在于由硅氧四面体环组成的结构孔道中。晶体属正交（斜方）晶系，常成假六方的短柱状晶体，双晶常见。集合体常呈块状和粒状。无色，常带有不同色调的浅蓝及浅紫色。玻璃光泽，断口油脂光泽。3组相互垂直的解理中等或不完全，贝壳状断口。莫氏硬度7～7.5，比重2.53～2.78。典型的变质矿物，产于角岩、片麻岩、结晶片岩及蚀变火成岩中。色泽美丽的可作宝石，以斯里兰卡和澳大利亚的质量最优。 |
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参考词条