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The chemical stability of magadrate was investigated and the result showed that the chemical property of magaldrate was not changed under the high temperature and high relative humidity.

对合成镁加铝进行了稳定性考察,结湿条件下,各项化学指标未发生显变化.

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传说之境

And at 5000 degrees we reach the temperature inside the initial blast of a conventional chemical bomb.

在 5000 度高温下,我们达到了常规化学炸弹初始爆炸时温度。

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VOA 常速 20163合集

His design uses ceramics that can also withstand high temperatures, do not corrode and do not react with tin.

设计还将陶瓷加入,这种材料能够耐高温, 易腐蚀, 而且锡发生化学反应。

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VOA Special 20183合集

By using a few chemicals, heat and pressure, they have made wood three times denser and 10 times stronger.

通过利用一些化学物质、高温压,他们使木材密度提高了3倍,度也提高了10倍。

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TED演讲(视频版) 20176合集

After 27 years of excessive heat and harsh chemicals, my hair was beginning to show extreme signs of wear and tear.

经过 27 高温和刺激性化学品,我头发开始出现极度磨损迹象。

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Scishow 精选系列

Basically, the heat causes the lipids in the oil to break down and produce some volatile compounds, which are chemicals that can easily become gases.

基本上,高温使得油中脂类分解,并生成更易挥发合成物,而这些合成物是易变成气体化学物质。

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We still don't know how the ancient Egyptians originally figured this recipe out, but the chemical reaction would have required careful control of this super hot temperature and the flow of oxygen into a furnace.

我们仍知道古埃及人最初是如何得到这个配方,但化学反应对这种特高温以及火炉中氧流量有着谨慎要求。

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VOA常速英语_娱乐

The heat and the chemicals used to separate metal from dirt or hazardous can make workers sick but for many who pan the streets for gold, a steady source of income is often more important than their health.

高温和用于将金属污垢或有害物质分离化学物质让工人生病,但对许多在大街上淘金人来说,稳定收入来源往往比他们健康更重要。

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