Book pages artificially yellowed (by leaving them in the sun, or very carefully baking them in an oven at a low temperature) make terrific faux-antique wall decoration.
书也可以人工变黄(通过放在太阳下晒，放入烤箱低温非常小心地烘烤)来做成极好的仿古董墙装饰。
The pieces were created by adding various metals oxide and baking at a low temperature.
该片由各种金属氧化物添加低温烘烤了。
At the same time, we studied the influences of the preparation condition, baking temperature, baking time, adding amount of magnetic materials, consistency of impregnating solution on it.
同时，我们还考察了合成条件、焙烧温度、焙烧时间、磁性基质加入量、浸渍液浓度对磁性固体超强酸催化剂性质的影响。
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