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Aerogel is a kind of low density porotic material which has many special physical and chemical properties.

是一类具有许多独物理、化学性质的轻质多孔材料,在众多的领域中具有应用或潜在的应用价值。

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The composition was determined and its physical and chemical properties,processability,curing reaction exothermicity and heat resistance were examined.

实验确定了灌封的配比,并考核了的理化性能、工艺性能、热反应性能、耐高温性能等。

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Thestabilized powders have obvious better oxidation resistance than unstabilized Pow-ders.And the other physical and chemical properties remain constant.

经钝化处理后的粉末,其抗氧化性显著提高,其他物理性能及化学组成基本保持不变。

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The formula and preparation of the paint remover were described, physical and chemical properties and depainting results were tested.

介绍了脱漆剂的配方,并对其理化性能及脱漆效果进行了测试。

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The sulfhydryl (thiol) group (SH) of cysteine is responsible for the chemical properties of the whole GSH molecule (L-gamma-glutamyl-Lcysteinylglycine).

半胱氨酸所带有的硫氢基(硫醇)决定了整个谷胱甘肽分子的化学性质。

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A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.

介绍了新型杀剂──除脲的发现、理化性质、杀机理、杀及合成方法。

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A white powder,coarse particles and mealiness ,hardly souble in acidic or alkaline solutions,with stable chemical property and good sintering performance.

外观呈白色粗颗粒或微粉状两种,难溶于酸或碱液中,化学性能稳定,具有良好的烧结性能。

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Scaning electron microscopy and cyclic voltammetry are applied to characterize both the physical and chemical properties of the Ag ring ultramicroelectrode.

用扫描电子显微镜和循环伏安法对制备的环电极进行了物理和化学性能表征。

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Scaning electron microscopy and cyclic voltammetry are applied to characterize both the physical and chemical properties of the Au ring ultramicroelectrode.

用扫描电子显微镜和循环伏安法对制备的电极进行了物理和化学性能表征。

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This paper discussed study on the development physi cal and chemical properties,crop safety,and application prospect of fosamine amm onium in China.

评述了调节膦的开发、性、安全性及其在中国的应用前景。

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The effects of undecomposable organic materials mixed with biopreparate on the physical and chemical properties of continuous cropping greenhouse soil were studied.

研究了有机物料配合生物菌剂施入塑料大棚连作土壤后,对土壤理化性质的影响。

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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.

对合成的镁加铝进行了稳定性考察,结果表明本品在高温、高湿条件下,各项化学指标未发生明显变化.

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美国国家公园

Some of the early names referred to their chemical properties.

早期一些名字提到了它们

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经济人-科技

The unusual chemical properties of water make it vital for life on Earth.

水不寻常使它对地生命至关重要。

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VOA常速英语(视频版)- 2022年合集

They've a little bit different chemical properties with moisture and nutrients and things like that.

它们在水分和营养等方面有些不同。

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双语版 TED-Ed 演讲精选

Unfortunately, researchers eventually found that cyclopamine causes negative side effects, and its chemical properties make it difficult to work with.

不幸是,研究者最终发现,环杷明会导致负面副作用,并且它让人们难以把握。

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60秒-科美国人 2021年11月合集

But that discordant nightmare was an audible soundscape that represents the chemical properties of 2-hydroxybenzaldehyde.

但那个不和谐噩梦是一种可听见音景,它代表了 2-羟基苯甲醛

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NASA微课堂

To understand how this mystery was discovered, it helps to know how scientists started studying the chemical properties of materials on Earth.

要了解这个谜团是如何被发现,就需要了解科家是如何开始研究地

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PBS趣味科普

The chemical properties of soap lower the surface tension of water, so anything relying on surface tension to stay afloat will sink.

肥皂降低了水表面张力,因此任何依靠表面张力保持漂浮东西都会下沉。

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The Early Sessions

Mental enzymes belong to the mind rather than the brain, although they function through both and use chemical properties of the physical body in their operation.

精神酵素属于心智而不是头脑,尽管它们通过两者发挥作用,并利用肉身形体进行操作。

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Scishow 精选系列

Aerating also exposes the wine to oxygen, and oxygen causes oxidation: a rearrangement of electrons that can shift a chemical's properties and help break down molecules.

透气还会使葡萄酒暴露在氧气中,而氧气会导致氧化:电子重新排列可以改变化并帮助分解分子。

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VOA Special 2020年4月合集

In the past, manufacturers only bought as much alcohol as they needed because of its chemical properties. Now, there is not enough to meet the increased demand.

过去,由于其化,制造商采购酒精量仅满足所需。如今,没有足够酒精来满足日益增长需求。

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SciSHow 快问快答小科普

Aerating also exposes the wine to oxygen, and oxygen causes oxidation: a rearrangement of electrons that can shift a chemical’s properties and help break down molecules.

充气也会使葡萄酒暴露在氧气中,而氧气会导致氧化:电子重新排列可以改变化并帮助分解分子。

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TED-Ed(视频版)

They dissolve gathered evidence in a gas, and can monitor and analyze the ingredients as they separate and move at varying speeds due to their unique chemical properties.

他们将收集到证据溶解在气体中,并且可以监测和分析成分,因为它们由于其独特而分离并以不同速度移动。

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杂志:化

But we've already seen in a couple of cases, a few elements that deviate a little bit, both chemically and physically, their chemical and physical properties from what they should be.

但我们已经在几个案例中看到,一些元素在化和物理都与它们应有和物理有一点偏差。

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3G, 401(K), a,
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