"Why is the expression so serious," the nightingale suddenly laughed, "Actually, whatever you say, I will believe it." But you'll have to give the others a little time to accept it, or you say that a bigger palm can turn thousands of demons into ashes, and no one can immediately imagine it, especially after seeing the real thing Lucia separated. ”

"Is there one?" Roland touched his cheek, probably considering that humanity was facing a life-and-death race for time, which made him unconsciously feel a sense of crisis, "But what you said is also true, after all, before I saw it with my own eyes, even I didn't believe it." ”

He turned around and clutched the inconspicuous "stone shard" in his hand.

This was the beginning of the road to fire – purified uranium metal.

Relying on a few words alone, it is indeed difficult for people to associate it with "things that compete for brilliance", the silvery-white surface has become dull due to oxidation, and the cold touch has nothing to do with light and heat, but Roland knows that as long as it is under the right conditions, it will naturally show its magical scene.

In order to collect it, Lucia and Speer spent nearly a week in the North Slope Mine, breaking down the broken granite around the cave. The countess complained that it was hurtful to let her tumble through the rubble, and used this as a reason to take five more apprentices from the town hall.

The result is such a small piece.

Compared to the uranium block originally used as a sample, this thumb-sized piece of uranium metal is more than 90% pure, and is divided into two layers under Lucia's adjustment, with uranium-235 on one side and uranium-238 on the remainder, with a composition ratio of 1:99, which is also the natural proportion of the two in nature.

In other words, the uranium element on the surface of the stone flakes is less than the thickness of a human hair, which can already be called "weapon grade".

As a stable nuclide, both 238, which accounts for the vast majority but is useless, and 235, which can be used to make the ultimate weapon, has a half-life of one billion years. Such a long decay period, coupled with the fact that α particles are mainly released during decay, have a range of only a few tens of microns in human tissues, and even the epidermis cannot penetrate, so even if it is held in the hand, it will not be fatally injured by external rays.

Of course, this does not mean that direct contact with highly enriched uranium is absolutely safe.

After all, some α nuclides produced by decay may be highly toxic, and it will be troublesome to stick to your hands and eat them in your stomach.

Therefore, Roland had Soroya wrap a transparent film in the "stone chips", not only to prevent it from further oxidation, but also to avoid the accident of chemical poisoning.

You know, most people in this world don't get into the habit of washing their hands frequently.

He looked at the object in his palm, and he couldn't help but feel some emotion in his heart. This piece of metallic uranium, which contains great energy, lies so quietly in the palm of his hand, and before it reaches the threshold, it looks so peaceful and harmless, almost indistinguishable from mortal iron, it is no wonder that Pasha and the others are in disbelief.

Now that this step has been taken, the first task is to gather all the raw materials needed for Qi Brilliant Radiation.

Azima was able to find samples of much lower purity with high concentrations of uranium, at least proving that it was feasible to use it for prospecting. Although Lucia can decompose and polymerize in the mine day after day, she can get a sufficient amount of uranium-235, but that would defeat the original purpose of multiple projects in parallel.

In the field of high-end metal smelting, she still has an irreplaceable role.

Moreover, weapons-grade uranium alone could not make a truly functional live ammunition - to keep it from becoming a dirty bomb, Roland needed a truly rare element. It is usually associated with uranium ore and contains only 1 part per million of the former, and even with the help of Lucia, it would require a large amount of raw ore to solve.

In short, it's up to Azima next.

Roland put the small piece of uranium metal back in the box, locked it back in the drawer, and pulled out an unfinished design of the internal combustion engine from the file next to him and spread it out on the table.

Although most Winterless people go to bed early on snowy nights when the wind is howling, there is still a lot of work to be done for him.

"Are you going to sleep late today?" said the nightingale with a tilt of her head.

He moved his neck and lifted the quill pen, "Everyone finally saw hope, and I can't give up because I'm lazy." For the sake of fame, it is nothing to sleep less. ”

"Really...... But I don't think it's right at least half of it. ”

"Ahem—didn't you believe everything I said? ”

"But using the power to confirm your true heart is also your own requirement. The nightingale stuck out her tongue.

"Okay, okay, I want to do it myself, okay?" he said helplessly, "I don't want to lose to the devil and the so-called divine will." ”

"Well, this time it's true. Then I'll help you make a cup of hot tea, and get some supper by the way," Nightingale smiled slightly, "How about a spiced barbecue, honey-glazed mushrooms, salt-and-pepper fried shrimp, and a refreshing chaotic drink?"

Hey, you want to eat it yourself!

Roland shook his head with a smile, "Whatever you like." ”

"Yes, my majesty," she said slyly.

......

The next day, Azima took the high-purity uranium flakes and embarked on a journey to find the source, and Roland received another piece of good news from the city hall.

The petroleum fractionation tower project jointly participated by the Ministry of Construction and the Ministry of Chemical Industry completed the construction of the No. 1 tower.

As a sign of his attention, Roland personally attended the launch ceremony.

Located on the banks of the Chishui River and in the Wudong Industrial Zone, the tower is close to 25 meters, and it is a masterpiece of new technology and new ideas - there is nothing special about the tower itself, except that it is separated by multiple layers in the middle, using the different boiling points of oil vapor to separate different products. Specific temperature determination and evaporation control are carried out in the laboratory, which, together with Anna's welding technology, fully meets the requirements of simple fractionation.

In fact...... The quality of the fraction product has little to do with the column itself, so small that in some places, even a boiler with bricks can be used to fractionate oil. This reminded him of the geography book when he was a child, which said that the motherland was vast and had everything, but when he grew up, he knew that there was a ...... However, the quality is generally not very good, which adds countless problems to the refiner.

He found that resources are just like looks, there is a natural difference, and the gap between high-grade minerals and low-grade minerals is like an abyss, which can only be made up by acquired efforts. The same goes for oil. Crude oil rich in wax, sulfur and inorganic salts is as viscous as mud, which is not burned when ignited and cannot be used without deep processing, while some light oils, such as the oil fields in Borneo, can be directly used as oil as fuel oil when they are pulled out.

The Black River, which spreads over the small half of the extreme south, belongs to the latter.

After learning that there was a self-spraying phenomenon, Roland became interested in this desert land, and it was actually proved that the oil collected from the endless cape was indeed not bad, and after fractionation, it could basically meet the current use requirements. Although it is far inferior to the refined products of later generations, he does not have to pursue it in one step.

Where the project is truly advanced,

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