The Bloch-Ogus-Gabber theorem

The Bloch-Ogus-Gabber theorem
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布洛赫-奥古斯-加伯定理

DOI:
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发表时间:
1996
期刊:
影响因子:
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通讯作者:
B. Kahn
B. Kahn
中科院分区:
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文献类型:
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作者:
J. Colliot;R. Hoobler;B. Kahn

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包含结晶TiO 2片晶的珠光颜料,其负载在相应的片状硫酸钙硬石膏颗粒上或自负载。通过在板状石膏基质颗粒上沉积无定形TiO 2涂层,煅烧所得产物以将石膏转化为硬石膏并使TiO 2结晶,以及当要制备无载体颜料时,溶解出硬石膏基质来制备颜料。晶体TiO2以金红石或金红石的形式产生。
Nacreous pigments comprising crystalline TiO2 platelets, either supported on corresponding plate-like calcium sulfate anhydrite particles or self-supporting. The pigments are prepared by depositing amorphous TiO2 coatings on plate-like gypsum substrate particles, calcining the resulting product to convert the gypsum to the anhydrite and crystallize the TiO2 and, when an unsupported pigment is to be produced, dissolving out the anhydrite substrate. The crystalline TiO2 is produced in the form of either rutile or anatase.