与此相似,当管道通过与干亚粘土接壤的湿粘土区时,湿粘土区钢表面相对于干土区钢表面为阳极。
Similarly, when a pipeline transverses moist clay areas adjacent to dry loam, steel surfaces in the wet area become anodic to steel surfaces in the dry area.
目前粘土在铸造生产中获得了广泛应用,为此,分析了两种主要粘土矿物结构特点,提出了粘土矿物的几种现代测试方法。
Clay mineral is widely applied in foundry now. This paper gives some testing methods for clay mineral through analyzing the characteristics of the structure of two clay minerals.
PTA粘土稳定剂是通过其表面的正电荷和大分子之间的分子间力强烈地吸附在粘土颗粒表面,防止粘土水化膨胀而起作用的。
The PTA may be by means of actions of its surficial positive charges and intermolecular forces among macromolecules to absorb on the surface of clay grains to prevent clay from hydrating swelling.
In the normal course of events, clay dissolves and disappears, and any message on it is erased.
因为在一般的情况下,粘土会分崩离析,所有的信息将灰飞烟灭
Not at the same time, but the reason we have any written evidence at all is that there was some kind of conflagration that produced a fire that baked clay into pottery.
虽然不是在同一时间,不过我们能发现这些可读记录,全靠这些意外的火灾,将那些粘土烧制成了陶器
For example, one thing that could happen is that you build it up with wood and clay, you pick the wrong material for a bridge, and it will not stand up to the forces of nature.
例如,其中的一个问题是,选择了木头和粘土作为造桥的材料,你就选错了材料,这座桥难以与自然力相抗衡
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