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In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.

1895年,威廉·伦琴偶然发现阴极射线管能使有层氰亚铂酸盐的薄相纸发光,甚至当阴极射线管和相纸分别放在不同的房间时也能发光。

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We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

们发现沥青铀矿物中至少含有两种放射性物质:与铋伴生的命名为钋,与伴生的命名为镭。

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The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied, and the ones of the powders calcined at different temperatures for different time were also studied.

氧体的水凝胶、醇凝胶以及气凝胶的红外光谱进行了初步的观察,同时不同焙烧温度及时间所得粉末的红外吸收光谱进行了考察。

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Results indicate that both of barium thioglycolate and barium-natrium thioglycolate can increase the thermal stability of PVC system, and the thermal stability of barium thioglycolate is better.

巯基乙酸和巯基乙酸-钠都能提高PVC的热稳定性,但巯基乙酸的稳定性要好于巯基乙酸-钠。

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博兹曼科学——物理

Atomic mass units of the neutrons, the barium and the krypton.

中子、钡和氪的原子质量单。

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化学实验:Periodic Videos

I have there we go that's the end of our road of barium so what we can do and it's been is quite soft so we should be able to file a

我已经到了, 这就是我们关于钡的讨论的终点,所以我们可以做的是, 为它比较软, 我们应该能够把它锉平。

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经济学人 Science and technology

Earth's magnetic field would cause the resulting barium ions to spiral, generating an electric current that could, in turn, produce electron-precipitating radio waves.

地球磁场会导致产生的钡离子状,从而产生电流,进而产生电子沉淀无线电波。

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Civilization Cycle

So why are they and then the chemical mixture, which we know is made of aluminum, barium and strontium?

那么,为什么它们会使用这种化学混合物呢?我们知道它是由铝、钡和锶制成的。

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博兹曼科学——物理

And so 92 has to equal the charge of the barium and the krypton together.

此 92 必须等于钡和氪的电荷总和。

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博兹曼科学——物理

We are going from barium 137 that is charged to barium 137 that is not charged.

我们从带电的钡 137 走向不带电的钡 137。

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