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1)  brown red spots
棕红色印迹
1.
Formation analysis of brown red spots on the surface of sulfuric acid anodic oxide film on aluminium alloy
铝合金硫酸阳极氧化膜棕红色印迹成因分析
2)  reddish brown
红棕色
1.
Study on stability of reddish brown hair dye after dyeing hair;
红棕色染发剂染发后稳定性的研究
3)  red-brown pigment
红棕色素
4)  red brown
棕红色
1.
Synthesization of red brown ceramic pigment doped with ianthanumoxide by a hydrothermal process under low temperature;
水热合成掺杂稀土氧化镧的棕红色陶瓷颜料
5)  brown-red
棕红色
1.
A process to produce brown-red spinel pigment from zinc oxide,chromic oxide,ferric oxide,alumina and manganese dioxide is introduced in this paper.
本文以ZnO、Cr2O3、Fe2O3、MnO2为原料合成了棕红色的尖晶石型颜料,并用XRD、DAT等手段对合成产物进行了表征。
6)  reddish-brown purple soil
红棕紫色土
1.
There are many serious problems that water and soil loss, soil degradation and so on exist in Huangling area of Sichuan basin pan, So analysis of soil nutrient in different landscape of reddish-brown purple soil in the middle part of the Sichuan basin indicated, the content of paddy soil in the rushing gully was higher than the content of hill.
针对四川盆地中皇陵地区水土流失和土壤退化等现象相当严重的问题,对川中丘陵区红棕紫色土不同地形部位的土壤养分进行了分析。
补充资料:红棕色固体
分子式:Fe(OH)3 
CAS号:

性质:又称水合氧化铁  Fe2O3·nH2O  红棕色固体。两性化合物。密度3.4~3.9g/cm3。难溶于水、乙醇和乙醚。易溶于酸。微溶于强碱。用氨水和烧碱与氧化铁或硝酸铁作用可得胶状沉淀。再经分离去水,可得固体物质。胶状沉淀的水合氧化铁(III)有较强的吸附性能,可用作吸附剂及亚砷酸的解毒剂。固化水合氧化铁可用作颜料和催化剂等。

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