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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.

对合成镁加铝进定性考察,结果表明品在高温、高湿条件化学指标未发生明显变化.

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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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华尔街日报

CVD gives scientists more specific control than high pressure high temperature reactors, but the growth rates are much slower.

高温高压法相比,化学气相沉积法让科学家能进行更精确控制,但生长速度要慢得多。

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VOA 常速 2016年3

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, 不易腐蚀, 而且不会与锡发生化学反应。

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VOA Special 2018年3

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

通过利用一些化学质、高温和强压,他们使木材密度高了3倍,强度也高了10倍。

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雅思听力最新机试真题

There are a number of methods of preserving food which involve both high and low temperatures, chemicals, irradiation, and drying.

保存食法有很多,包括高温和低温处理、化学法、辐照以及干燥等。

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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,高温会使得油中脂类分解,并生成更易挥发,而这些是易变成气体化学质。

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TED演讲(视频版) 2017年6

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

经过 27 年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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VOA慢速英语_科技

Miller said, " Heat is one of the greatest risks that we have in this work, even though we deal with high radiation, hazardous chemicals and heavy metals."

“尽管我们处理是高辐射、危险化学品和重金属,但高温是我们在这项工作中面临最大风险之一。”

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All Ears English

And they use these technological processes, high pressure, high temperature processes that result in diamonds with identical chemical, physical, and optical characteristics as natural diamonds.

他们使用这些技术工艺,即高压高温过程,生产出钻石在化学理和光学特性上都与天然钻石完全相同。

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Scishow 精选系列

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.

我们仍不知道古埃及人最初是如何得到这个配,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.

高温和用于将金属与污垢或有害质分离化学质会让工人生病,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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周日奥秘揭晓

Scientific evidence suggests that the majority of stars within these globular clusters were formed through a process involving the mixing of gas with hot hydrogen and other chemical elements expelled by the explosive deaths of short-lived older stars.

科学证据表明,这些球状星团中大多数恒星是通过一个过程形成,该过程中气体与高温氢及其他化学元素混,而这些元素是由短寿老年恒星爆炸性死亡时释放出来

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The Science Show - Separate stories podcast

Making electricity or probably more advanced, like what we might see more of in the future as well, is making high temperature heat for chemical processes for making hydrogen or making plastics and chemicals, that kind of thing.

生产电力或者更进一步,比如我们未来可能会看到更多是,利用高温热能进行化学过程,如制造氢气或塑料和化学品等。

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