Chapter 375

The aircraft stayed by the river, and Han Yuan came down with the four little ones. The ground was wet, and the rushing water had a faint yellow color. It looked like it had just rained for a while.

Han Yuan looked around for a while, and walked towards the rare earth mine discovered by the metal mine scanner with his gun locator and other things on his back.

Judging from the positioning on the information panel, this rare earth mine has to climb over a not-so-high mountain. It is in the canyon opposite the mountain, and a part of the vein extends into the mountain.

This is a weathered crust elution-type rare earth mine, which contains heavy rare metals such as strontium, ytterbium, and yttrium, and is a kind of ion-adsorbed rare earth.

The rare earth elements in this type of rare earth ore are adsorbed on clay minerals with hydrated ions or hydroxyl hydrated ions. It is a rare earth ore unique to Huaguo, and it is rarely seen or hardly seen in other countries in the world. kind of mine.

Compared with other rare earth ores or rare metal ores, this ion-adsorption type rare earth ore contains a wide variety of rare metals, and the purity and enrichment are higher. Natural ones belong to concentrates and do not need to be artificially selected. .

There are some, but there are also many disadvantages. First of all, its exploration is more difficult, because some ion-adsorbed rare earths are no different from ordinary clays, and their appearance looks almost the same.

Secondly, it is difficult to extract and separate the rare metals contained in them. Conventional flotation, gravity beneficiation and other means have no effect on this kind of adsorptive ore.

That is to say, it cannot use conventional separation methods to separate the rare metals in it, so how to smelt this ion-type adsorbed rare earth ore is a difficult problem.

Although it is difficult to smelt ion-adsorbed rare earth ores, it is not a problem at all for South Korean won.

There are enough simple refining methods in the primary material smelting information in my mind.

such as 'ion exchange'

The ion exchange method is a way to smelt ion-adsorbed rare earth ores, which is simple but consumes a lot of energy.

Rare earth cations adsorbed on clay minerals are insoluble in water or ethanol, but can undergo ion exchange in strong electrolytes, such as sodium chloride, ammonium sulfate, chloride, etc., enter the solution and have a reversible reaction.

It is easy to extract rare metals in ion-type adsorption rare earth ores in this way, and the rare metals obtained have higher purity.

The only downside is the high power consumption.

But this is nothing to him and Hua Guo.

Korean won only needs to extract a little rare metal, and the rest can be exchanged through technology points.

And Huaguo, let me tell you a joke, is Huaguo short of electricity?

Even without the technology of lanthanum gallium silicon thin film solar power generation panels, Huaguo has never been short of electricity.

360 hours a day, 24 days a year without power outages, which seems almost impossible in other countries, even in the United States, is a basic requirement in China.

With the technology of lanthanum gallium silicon thin-film solar power generation panels, the power supply in the northwest province is no longer a problem.

As the price of electricity decreases, the cost of rare earth smelting will naturally decrease, and more money can be earned.

Of course, the premise of these is that the rare earths should not be sold as soil, otherwise the gods will not be able to save them.

Carrying electromagnetic weapons and digging tools, Han Yuan led the four little ones into the jungle.

Not long after it rained, the ground was wet, and the branches and leaves were also covered with water droplets. His clothes and shoes were soaked within a short distance.

Although it is difficult to walk through mountains and rivers, the distance is not very far, and the time spent on a journey of more than one kilometer is not too long.

Han Yuan has long been used to walking in the virgin forest, and the only thing that made him uncomfortable was the wet clothes and the mist in the mountains.

I have heard about the foggy mountains and forests in places like Chuandu and Shennongjia, but I didn't expect it to be so serious.

In the mountains and forests where it has not been raining for a long time, there is a thin layer of mist on the ground, just like the dry ice vaporized on the stage. The white mist is so vast that the ground cannot be seen clearly at all.

When he walks, he will take the mist with him, just like in a fairyland.

Fortunately, when entering the fog barrier, Han Yuan confirmed that these fog barriers are just ordinary water vapor, not some poisonous miasma.

Moreover, he sniffed it outside, and waited for a few minutes to confirm that there was nothing wrong with his body before entering.

Along the way, Han Yuan looked around, picking off a few leaves from time to time to chew.

All things generate and restrain each other, just like where there are poisonous snakes, there must be detoxifying herbs. The leaves he picked off, chewed and ate are some herbal medicines, which are specially used to detoxify miasma.

Miasma was very famous in ancient times, but with the development of science and technology in modern times, it has gradually disappeared from the public's field of vision.

Because after scientific analysis, everyone found that miasma is not a weird thing, nor does it refer to a certain gas, but a comprehensive term that includes malaria, harmful gases, methane, mosquito bites and other diseases.

This kind of thing is often found in hot and humid mountain forests. After the death of animals and vegetation, they can easily be fermented into methane, methane, hydrogen sulfide and other harmful gases.

However, there is no wind in the mountains, the climate is humid, and the trees cover the sky to block the sun, so these poisonous gases will accumulate, and it is normal to be poisoned by mistake.

Regarding miasma, Won is not worried, because it is winter, and the possibility of miasma appearing in winter is low.

And even if it happened and he was poisoned by accidental inhalation, he still had a way to deal with it, whether it was various detoxifying herbs or a strong physique, he could get over it.

What Han Yuan hated was that the mist covered the ground and the distance, making it difficult for him to see what was under his feet.

In addition, it just happened to be raining again, and sometimes I couldn't see the ground when I stepped down, and I stepped directly into the puddle.

"Ow~"

As he was walking, one treasure and two treasures who were following Han Yuan suddenly roared in a low voice at the same time.

When Han Yuan heard the roar, he stopped in his tracks. He knew that there must be something going on around the two children who made noise at the same time.

Although his hearing, vision, perception and other abilities are not inferior to those of the two boys, his attention is not on alerting the surrounding situation. As long as the two boys travel with him, they will always be responsible for this kind of matter.

Looking in the direction of the two little growls, several black and white animals came into his eyes.

"It's a giant panda!"

"Black and white dumpling!"

Two pleasantly surprised voices came from Han Yuan and Xiaoba Xiaojiu respectively.

Apparently, Xiao Jiu, who was nestled on Han Yuan's shoulder, also saw the giant pandas gathered not far away, and they all knew each other.

With the exclamation of the Korean won and the automatic tracking of the camera, the giant panda not far away also entered the live broadcast room and was watched by everyone.

【Giant Panda! 】

[Tuanzi! 】

【Iron Eater! 】

[It's a panda!Wild pandas! 】

[Anchor come on, come closer. 】

[One, two, three, four, five, six, seven, there are seven of them! 】

[Ham, isn’t it just a panda? I’m from Sichuan. In our place, every family only raises one panda, but not long ago my family gave birth to another panda, and now I can’t afford it anymore. 】

[Upstairs is real punishment! 】

[my country is still a developing country, the number of pandas per capita is low, and there is still a long way to go||ヽ(* ̄▽ ̄*)ノミ|Ю】

[It seems to be raising one!When will we be able to have a panda in our hands! ! ! 】

[Give up the one upstairs, you can't afford it, in fact 90.00% of the people in the world who are above [-] can't afford it. 】

When the giant panda appeared, the live broadcast room erupted instantly.

As a national treasure that can never be photographed in color, no Chinese, no, it should be said that no human being would dislike it.

After Han Yuan stared at the giant panda not far away for a few moments, he told the first treasure and the second treasure to stay where they were, and walked over by himself.

Although wild giant pandas are more aggressive than domesticated ones, they can't beat him now, not to mention one, even if there are seven in this group, it's useless.

And although this product has the word bear in front, it is only more aggressive when breastfeeding.

Han Yuan has observed that there are no giant panda cubs in this small group, as long as he does not show hostility or malice when he approaches.

After all, they are wild animals, so they are still very sensitive to things like hostility and malice.

Just as he expected, it was also possible that the group of giant pandas were stupid and bold. Anyway, when he walked past, the group of giant pandas didn't make much movement, they just looked at him warily one by one.

Han Yuan stopped after walking for a while, not getting too close, not because he was worried that he would be attacked by giant pandas, but because he was worried that if he got closer, he would scare them away.

This distance is less than 15 meters from this group of giant pandas. With the eyesight of Korean won, you can even see the hair on their bodies clearly.

Those big black eyes rolled around, as if they were curious about the origin of the two-legged beast in front of them.

Stopping and moving forward, Han Yuan took off the backpack from behind, and then took out several fruits from it, including apples, pears, and a tropical Sakyamuni fruit.

This is his food reserve. He has a lot of food and drink in his backpack. Anyway, this kind of load is nothing to him, and he can fill his stomach with it at any time.

Breaking apart the apple in his hand, Han Yuan threw a piece out first, which landed right in front of a giant panda.

Almost hit by a sudden object, the giant panda trembled in fright, got up and ran straight away, making the audience in the live broadcast room laugh for being so timid.

This one ran away, and there were others. The other giant panda, which was closer to the apple on the ground, moved its dark nose, as if smelling the aroma of the apple, and crawled over, licking the small petal on the ground. Apple picked it up.

Holding the apple in its broad bear paws, the giant panda sniffed it closely, and then stuffed it into its mouth decisively.

After a few bites, the small petal of apple went into its stomach.

After eating, the giant panda was not satisfied, and kept staring at Won with its big round eyes. To be precise, it was looking at the remaining apple in Won's hand.

It knew that what it ate just now was thrown by this two-legged beast.

[Ahhh, so cute! 】

[Forget the Cub Apple! 】

[Quick, quick, give it to Apple! 】

【That look seems to be saying: What are you waiting for, Two-legged beast?Hurry up to offer the tribute in your hand. 】

[I was bought by half of the apple, and this is the product (laughing and crying)]

There was a frenzy in the live broadcast room, and Han Yuan threw another apple in the past.

This time the giant panda didn't dodge, and the apple fell directly on him.

After receiving the apple, it couldn't wait to stuff it into its mouth. While pursing its mouth, it continued to look at the Korean won, as if saying more.

"Really a foodie."

Han Yuan could not help but look at the giant panda not far away, smiled and shook his head.

This is a cute race, even if it is wild, it gives people a feeling that humans and animals are harmless.

After the giant panda finished eating the apple in its mouth, Han Yuan shook a piece of apple towards it.

"Come on, come on, Hal."

Han Yuan dangled the apple, tempting the greedy giant panda.

The national treasure not far away saw that the apple in Han Yuan's hand was about to bleed all over the ground, but after hearing his voice, he forcibly held back, crouched on the spot and hesitated to come over.

Seeing this, Han Yuan knew that trust had not yet been established. After thinking for a while, he threw the apple in his hand and landed on the ground at a distance between him and the giant panda, which was not far or close.

He is very familiar with how to tame wild animals.

During the first novice mission, he obtained information on animal domestication, and the two cubs, North American bison and chimpanzee were all tamed in this way.

Sure enough, seeing that he recognized the apple in his hand, the giant panda who was still sitting on the ground immediately got up, picked up the apple in the open space and stuffed it into its mouth.

As for the distance between the two, who cares?

Anyway, this giant panda who was tempted by Apple doesn't care.

Seeing this, Han Yuan continued to use the apple to narrow the distance between the two step by step. After feeding the broken apple in his hand, the giant panda was at his feet and within reach.

Han Yuan smiled, holding the last piece of apple in his left hand, slowly bent down and handed it over, while his right hand had already touched the wild giant panda's head.

With food in hand, the giant panda didn't care about anything else, not even KRW rubbing its head.

The audience in the live broadcast room was in an uproar when they saw this scene.

[This is too easy to deceive, right?An apple was lured over. 】

[True forget-me-not apple! 】

[Good guy, I'll call him good guy right away. 】

[Stand up, stand up, you are a national treasure, why did you buy an apple?At least I have to add a pot of milk——]

[Precious video of humans taming wild giant pandas early! 】

【so cute.If it weren't for the law, I could bald it. 】

【Chi You: Did I really ride this thing into the battlefield back then? 】

[Iron-eating Beast: No way, the old man Huang Di gave too much. He said that my descendants have no worries about food and clothing, apples and pots of milk, so I naturally followed. 】

【Dear Achi: I miss you on the nth day after I left you.Through my unremitting efforts (show cute every day), I have successfully penetrated into the enemy's interior, and I have been waiting for the day when you return, we can still fight side by side to calm the world.This time I will not run after the bamboo and leave you behind.Believe me!Believe me!Sincerely, your comrade-in-arms, Iron Eater! 】

[Chi You: I believed you, you bastard!Whenever I rode a horse back then, I would never lose. 】

(End of this chapter)

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