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Compensatory hypertrophy is a different, temporary growth response in which residual tissue increases in mass and cell number: cells undergo mitosis but do not dedifferentiate.

肥大是一个不同的,暂时的生长应答过程,残余织在体积和细胞数量上增加:细胞经历了减数没有去化过程。

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iodide, iodiformalbumin, iodimetric, iodimetry, iodin, iodinate, iodination, iodine, iodipin, iodise,

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3G, 401(K), a,

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VOA慢速英语_单词故事

In human history, the spread of infectious diseases to mass numbers of people is not uncommon.

在人类历史上,传染病向大量人群传播情况并不罕见。

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学 Crash Course

And different isotopes have different mass numbers.

。 不同同位素有不同质量数。

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Crash Course Physics 速成课物理

The mass number, meanwhile, is how many protons and neutrons combined make up a nucleus.

质量数是指总共有多少质与中组成这

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学 Crash Course

The mass number is just the total number of nucleons in the nucleus, which is different from atomic mass.

质量数只是总数, 它不同于质量。

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Crash Course 综合篇

We can describe how many protons and neutrons are in an atom’s nucleus using its atomic and mass numbers.

我们可以使用数和质量数来描述中有多少质和中

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Crash Course 综合篇

In alpha decays, the sum of the atomic and mass numbers are always equal on either side of the equation.

在 alpha 衰变中,等式两边数和质量数之和始终相等。

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Crash Course 综合篇

This is a graph of the binding energies of various elements compared to their mass numbers.

这是各种元素结合能与其质量数相比图表。

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Crash Course 综合篇

Today we learned the very basics of nuclear physics, including atomic number, mass number, and how to use them in nuclear notation.

今天我们学习了物理学基础知识, 包括序数、质量数,以及如何在符号中使用它们。

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Crash Course 综合篇

Finally, we write the mass number on the top left, to signify how many protons and neutrons there are in the nucleus.

最后,我们在左上角写下质量数,表示中有多少质和中

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Crash Course 综合篇

And if there were 6 protons and 8 neutrons, then it would still be a carbon nucleus, but with a mass number of 14.

如果有 6 和 8 ,那么它仍然是碳,但质量数为 14。

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Crash Course 综合篇

Instead we write it in nuclear notation form, with the mass number at top and the atomic number at the bottom.

相反,我们将其写成符号形式, 质量数在顶部, 序数在底部。

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学 Crash Course

So silver has two stable isotopes, one with a mass number of 107, which we'd call silver-107, and one with a mass number of 109, silver-109.

所以银有两种稳定同位素, 一种质量数为 107, 我们称之为 silver-107,另一种质量数为 109, silver-109。

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TED演讲(视频版)双语精选

Most of the world's poor are farmers, and so when farmers become more productive, then they earn more income, and mass numbers of people move out of poverty.

世界上大多数穷人都是农民,所以当农民变得更有生产力时候,他们可以赚更多钱,很多人从此脱离贫困。

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Crash Course 综合篇

Note that the atomic number of radon is just two units less than that of radium, and the mass number is four less than radium’s.

请注意,氡序数仅比镭少两单位,而质量数比镭少四

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世界史 Crash Course

The Romans also invented the plantation, using mass numbers of slaves to work the land on giant farms called latifundia, so called because they were not fun.

罗马人还发明了种植园,使用大量奴隶在称为 latifundia 巨大农场上耕种土地, 之所以这样称呼是因为它们并不有趣。

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可汗学院:生物

I mean, you might notice that when people care about the mass, when they care about the atomic mass number of an atom, they ignore the electrons.

意思是,您可能会注意到,当人们关心质量时,当他们关心质量数时,他们会忽略电

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Crash Course 综合篇

Any two nuclei that have the same atomic number but different mass numbers are known as isotopes, with most elements having one isotope that is more common than the others.

具有相同序数但质量数不同任何两称为同位素,大多数元素具有比其他同位素更常见一种同位素。

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Crash Course 综合篇

So for our carbon atom with six neutrons, we’d take the Carbon chemical symbol, a capital C, and write the atomic number, 6, in the bottom left and the mass number, 12, in the top left.

因此,对于具有六, 我们采用碳学符号, 大写 C,并在左下角写下序数 6, 在左上角写下质量数 12。

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iodochlorhydroxy-quinoline, iodochlorohydroxyquinoline, iodochlorol, iodocyanin, iododecane, iododeoxycytidine, iododerma, iodoethane, iodoethanol, iodoethylene,

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3G, 401(K), a,
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