Chen Yuan figured it out, his identity, origin, age and status are here, no matter how low his voice and humble posture are, it is difficult to convince these old guys. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 ｉｎｆｏ

So why not do the opposite and choose a way to make yourself more refreshing?

Anyway, there are two bigwigs covering themselves, and these people will fight with themselves at most.

However, when it comes to fighting, Chen Yuan really hasn't been afraid of anyone.

It's just that Chen Yuan still overestimated their combat effectiveness a little.

I saw those old men, with red faces and red ears, panting and pointing at Chen Yuan, "You, you...... I, I", and I couldn't say a complete sentence.

This situation made Chen Yuan a little worried: Is he a little too much, these people should not be scolded by themselves and angry.

"Presumptuous," at this time, Yan Daoli, who was sitting firmly on the high platform, suddenly snorted angrily, and said with a displeased face, "All the elders can be regarded as Chen Yuan's elders, and you are talking to the elders like this?"

It's just a smile from the corner of Yan Dao's eyes, but it reveals his true thoughts in his heart.

Regarding Yan Daoli's reprimand, Chen Yuan understood in his heart, he criticized Chen Yuan's attitude towards speaking, but he didn't say anything wrong with the content of Chen Yuan's words.

In fact, during this period of time, Yan Daoli was also annoyed by these elders in the sect.

A few days ago, Chen Yuan's proposal was discussed at the meeting, and a group of people knew that there was no future for using uranium stone to cultivate spirit beasts, but they still clung to the ancestral rules and traditions of the sect, so that Yan Daoli, who advocated this matter, did not know how many soft nails he had eaten.

At this time, seeing that Chen Yuan made these old guys deflated with just one sentence, Yan Dao was secretly refreshed: Indeed, you people keep saying that you do not deviate from the ancestral tradition, but Master Zu has never taught you to use uranium to build a pigsty.

I remembered that when I first took office, I was dissatisfied with the lack of progress in the application of uranium for so many years, and I also proposed that the secret land in the back mountain needs to reform the system and introduce talents to expand ideas.

As a result, the old guys who were in charge of the affairs of the back mountain thought that they wanted to take away the power in their hands, so this proposal was rejected by either soft or hard.

Until now, someone finally scolded him heartily for his inconvenient words.

It's just that no matter how cool my heart is, I still have to do this work.

Yan Daoli had been strained for a long time with the unhappy expression on his face, and at this time he urged, "Why don't you apologize to the elders soon?"

"Yes, yes," Chen Yuan bowed slightly, turned around and made a circle, and said very sincerely: "The kid was reckless for a while, and said what he shouldn't have said in his heart, and asked the seniors to forgive him." ”

Hmph, even if you apologize, we won't forgive you easily, an elder thought proudly, but then pondered carefully, Nima, where is this apology!

"Say what you shouldn't say in your heart", which means that even if you don't say it, you're still scolding us in your heart?

This kid...... Yan Daoli saw that the situation was wrong, and hurriedly came out and made a difference: "The young man is inevitably a little reckless, but since he has sincerely apologized, all the elders are generous people, so let's laugh at this matter." ”

Where are we laughing, how can this matter be so hasty?

Several elders were still muttering in their hearts, but Yan Daoli had already quickly changed the conversation: "Okay, Chen Yuan, don't waste time, hurry up and talk about how to make this uranium stone into a weapon." ”

Chen Yuan nodded, vented his sullenness in his heart, and then accepted it when he saw it.

Although he has not yet figured out how to use uranium, this does not prevent him from making preparations first.

"Whether it's used to craft weapons or to promote the evolution of spirit beasts," Chen Yuan said slowly, "I think you have all encountered such a puzzle - how to further improve the purity of uranium. ”

"That's true," Elder Chai on the side echoed, "In hundreds of years of research, we have also discovered that this uranium stone is not as powerful as imagined, perhaps because it contains impurities. ”

"It's just that we use acid filtration, and even if we deal with it repeatedly, the improvement we can get is already very small. ”

"That's right," Chen Yuan nodded and continued, "As far as I saw that day, uranium octaoxide, that is, that kind of yellow cake, is actually quite pure in itself. ”

"But this impurity comes from itself. ”

"Since the purity is very high, why is there still impurities in itself?" Yan Daoli asked suspiciously.

Chen Yuan smiled at the Chengtian Sect Master and explained calmly, "This is the reason why isotopes are at work in it. ”

In fact, there are two isotopes in this yellowcake, the majority of which can be numbered 238 and the other called 235, and only a small fraction of 235 is what we really need. ”

"Isotopes?!"

This word in Chen Yuan's mouth immediately attracted the attention of everyone present.

Even those who had a grudge before put all their minds on Chen Yuan.

Because all these people have read the emperor's records, and they all clearly remember the words of the ancestor that made them puzzled: separation isotopes.

"What exactly is an isotope?" Chai Lao asked the question they were most concerned about on behalf of everyone's voice.

This problem is complicated to explain, Chen Yuan silently thought, I am afraid that we have to start from the origin of chemistry, then to the discovery of elements, and then enter the microscopic field to talk about the atomic structure, and finally to explain that the difference in the number of neutrons is the cause of isotopes.

This lecture will not last a few days and nights, and even if Chen Yuan is not too troublesome, for these monks who have no scientific outlook and no chemical foundation, it is more likely to listen to heavenly books.

So in the face of the curious baby-like eyes of these elders, Chen Yuan changed his way of thinking to explain: "This isotope is like siblings who look exactly the same and even have the same breath. ”

"As we all know, we mainly distinguish others by their appearance, but it is difficult to distinguish between such two siblings in the crowd. ”

"Well, I see. ”

The elders let out a sudden exclamation of appreciation.

"But if it's so hard to tell, how on earth are we going to separate these two brothers, oh no, the two isotopes?" someone asked the most crucial question.

"The so-called Heaven and Earth Infinite Road," Chen Yuan smiled indifferently, as if everything was under his control, "Although these two isotopes are almost identical in nature, there is an extremely small difference, and this is the only place we can grasp." ”

"What's the difference?" the anxious elder asked impatiently.

The difference is just three neutrons...... Chen Yuan sighed in his heart, and then slowly spoke: "Their weights are different!"