"Thank you. Richard thanked him, took the list handed over by Inokova, glanced at it a few times, and soon saw several materials that had not yet been collected, all marked with crosses.

What was not found, to be exact, two.

The first type, the name on the list is rhinestone, which is actually rhenium.

It is a silvery-white metal that is hard, wear-resistant, corrosion-resistant, and insoluble in hydrochloric and hydrofluoric acid. This metal has an excellent characteristic, that is, heat resistance, a melting point of 3180 °C, ranking third among metals, and a boiling point of 5627 °C, the highest among all metals.

This metal also has a kind of "rhenium effect", when manufactured into alloys, it can greatly improve the strength and plasticity of tungsten, molybdenum and chromium, and add a small amount of rhenium (3%-5%), which can increase the initial temperature of tungsten recrystallization by 300 °C - 500 °C. It is precisely in this way that after the implosion nuclear weapon ignites the high explosive, the rhenium-tungsten alloy can be unaffected under high temperature and high pressure conditions, and the nuclear raw materials can be extruded.

Second, the name on the list is sweet greenstone, which is actually beryllium.

It's a gray metal that's brittle at room temperature, has a modulus of elasticity that's about 50% higher than steel, but it's less dense, so the speed of sound is very high. At standard temperatures and pressures, sound travels at a speed of about 12.9 km/s – just over 300 meters per second under the same conditions.

Of course, none of this is important, but the important thing is that natural beryllium is almost entirely composed of an isotope of beryllium-9 with a nuclear spin of 3/2, except for trace amounts of radioactive isotopes caused by cosmic rays. This leads to its relatively large cross-section for high-energy neutrons, and can reach 6 target enrons for neutron cross-sections with energies higher than 10keV, which can quickly reduce neutron thermal energy to below 0.03eV, and is an excellent neutron reflector and neutron moderator.

To put it simply, if it is used as a reflective layer, it can limit the activity of neutrons in a certain range, allowing the continuous nuclear chain reaction to continue, and helping to increase the power of the atomic bomb.

At the same time, beryllium will release neutrons under the impact of deuterium nuclei and protons, so it can become a neutron source under certain conditions to stimulate the nuclear explosion of an atomic bomb.

In short, both of these materials are important for the manufacture of implosion atomic bombs.

Rhenium can't be found, he can still understand.

After all, this metal is relatively rare, and it was discovered very late on Earth, and if he really can't find it, he can try to replace it with other materials.

However, it is a little difficult to accept that beryllium cannot be found.

Beryllium is much more common than rhenium, and if nothing else, it is found in some specific species of emeralds alone.

Putting down the list and looking up at Inogova, Richard asked in confirmation, "Wizard Inovova, did you really not find any of the two materials missing from the list?"

"What about this......" Inuokova hesitated for a moment and thought for a moment, "you wait a minute. ”

After the words fell, I looked up the piles of materials on the table, and this time I searched for a full few minutes, and finally found a new document. After reading the above content carefully, he said loudly: "Wizard Richard, according to the report handed in, some sweet greenstone has actually been found, and another kind of rhinestone has also found clues to some extent, all of which are concentrated in a mineral city called Les in the Soma Alliance." However, it may take a month or two to collect the materials to the amount you require and ship them back, so the status of these two materials is still vacant on the current list. ”

Richard listened, frowned slightly, and asked, "Could it be that the city of Rice of the Soma Alliance is far away from Pompey?"

"It's not very far, Rice City is in the Soma League, it is relatively close to the southern border, if you rush with all your might, it may only take two days to get there. Inuokova said.

Sounds like it's about the same distance as going to St. Louis...... Richard moved his eyebrows and asked, "In that case, why does it take a month or two?"

"The main reason is that the Soma Alliance has been a bit turbulent lately, and our presence in the Soma Alliance is very weak. I can't directly control people's affairs, and when I encounter this situation, I can only wait patiently for the situation to improve and then deal with it, so there is a waste of time. Inuokova spread her hands.

Glancing at Richard's frowning brows, he thought about it and proposed: "Of course, if you are really in a hurry, Wizard Richard can also leave Pompey and go to Les to deal with it in person, which will naturally be much faster." Just be careful not to stay out for more than a year – really, you have to register with me and get your place of residence in order. ”

"That's it. Richard nodded.

......

A short time later, Richard returned to the Garden of Eden.

Sitting at the circular laboratory table in the main laboratory, Richard tapped his fingers lightly on the tabletop, making a rhythmic "click" sound, thinking about the proposal that Inokova had just made at the transaction point.

He agrees with Inokova's proposal. After all, the research and manufacturing plan for nuclear weapons has now reached this point, and almost everything is ready, and it is absolutely impossible to postpone it for a month or two because of a small problem with the lack of materials.

He has not forgotten all the aspects he considered when he first came to Pompey: his true identity may be exposed at any time, and Pompey is equivalent to an enemy-occupied area, so he must use Pompey's resources to complete the nuclear weapons research and manufacturing plan as soon as possible, and then walk away to get rid of this danger.

In that case, he had to go to Rice once, and the sooner the better.

Thinking of this, without hesitation, Richard stepped out of the laboratory.

Soon, he found Pandora in the open space in front of the main laboratory, and after briefly telling him about his departure, he handed a crystal ball into the other party's hands.

"I'm leaving, at most a few days, and I'll get things done as soon as possible. "And until I come back, the Garden of Eden will continue to absorb energy, produce and store as much nuclear material as possible, so it can't be moved casually." In the process, you need to keep an eye on your home, especially the tree in your room. Although I think that the probability of him causing trouble is already very low, after all, it is also a hidden danger and cannot be underestimated.

Once he really causes trouble, don't be polite, just teach him a lesson. If the situation is critical, contact me through this crystal ball, and I will leave everything behind and rush back. I've already taught you how to use crystal balls before, remember?"

"Of course. Pandora put away the crystal ball and nodded vigorously, and replied with a blazing eye, "Don't worry, everything will be fine." Actually, if that tree really causes trouble, I haven't been in a fight for a long time, and I'm trying to make a move. ”

"Huh. Richard couldn't help but smile, thought of something, and asked out loud, "Anyway, you won't wait until I'm gone, you deliberately let that tree cause trouble, and then teach a lesson, right?"

"Is that okay?" Pandora's voice was slightly high, a little surprised, and her eyes lit up.

。 The fastest website for mobile version update: m.