Otaku Engineer in Great Tang Dynasty

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The reason why Zheng Yinhong is willing to fully assist Li Zexuan to build a tea garden is not only driven by interests, but also because he feels Li Zexuan's sincerity.

He had contact with many officials in Jiangnan Road and Chang'an City, but Li Zexuan was the first official to talk to him about business as an equal. This moved Zheng Yinhong, and at the same time, he also had a lot of goodwill towards Li Zexuan!

Looking at the attitude of Cao Wendong and others towards Li Zexuan, it is not difficult to understand that he finally made the oath of allegiance and never betrayal!

If you treat me with a state scholar, I will repay it! A scholar-officer can die for his confidant, and Zheng Yinhong, who has always kept his promises, can also swear allegiance to Li Zexuan, who treats him as a state scholar!

It is true that businessmen value profits, but businessmen of this era are also very eager to agree! Li Zexuan's sincerity and Li Zexuan's equal treatment are the most crucial factors to impress Zheng Yinhong!

To be loyal to such a superior, Zheng Yinhong feels that as long as Li Zexuan does not fall for a day, the Zheng family will be prosperous forever!

At the same time, the news that Li Zexuan had a magical tea and a magical tea-brewing method spread silently. After all, there is no airtight wall in the world!

Some civil servants and military generals who are close to Li Zexuan have taken time out of their busy schedules to go to Yunshan to find Li Zexuan for tea!

Fang Xuanling, Changsun Wuji, Qin Qiong, Cheng Yaojin, Li Jing, Li Ji, Yuchi Jingde, etc., are basically three or five companions, euphemistically called visiting Yanhuang Academy, but the real purpose is to drink tea. In the end, Mr. Li Gang saw that his tea was getting less and less, and finally couldn't help scolding this group of "no shame and no shame" old guys, the wave of civil servants and military generals visiting Yunshan was curbed a little. .

However, Li Zexuan was "heavy bleeding". After tasting the deliciousness of Dao Shenxian tea, the old guys came to him for tea, but he didn't have much stock himself, but these old officials treated him well on weekdays. No, in the end he could only deliver a small box of tea from house to house!

Well, it's just a small box, a small wooden box specially customized by Li Zexuan. A box can be drunk about a dozen times. Although he is a little arrogant, this is the limit of what he can do. If you want to blame it, you can only blame the taste of fairy tea. Great!

Just imagine, even the old drinkers like Wang Ji and Cheng Yaojin like to drink tea, can it taste bad?

Pity Wei Zhengyuan is in Henan Road, otherwise this old troll will definitely come to ask for tea!

Li Zexuan, who had not much stock in stock, only hoped that Zheng Yinhong could quickly deliver a batch of fried fairy tea to Chang'an!

That's right, he also taught Zheng Yinhong the method of frying Shenxian tea. Jiangnan Road is nearly a thousand miles away from Chang'an. If fresh tea leaves are transported to Chang'an for processing, the transportation cost will be too high, so Li Zexuan asked Zheng Yinhong to Picking, frying, and processing on the spot, and then the finished product will be directly transported to Chang'an City!

…………………………

This morning, Li Zexuan had just finished his sword practice and was about to go out. He went to Yanhuang Academy, but he met someone he could never have imagined at the gate of the courtyard!

"Three treasures?"

Li Zexuan looked at the unkempt and ragged "beggar" in front of him. Seeing that his face was very familiar, he thought about it seriously, and he suddenly exclaimed!

"Master! Sanbao is back! Sanbao is finally back! Woohoo~!"

Sanbao stared at Li Zexuan in a daze, seeing that Li Zexuan recognized him, he immediately knelt on his knees, hugged Li Zexuan's thigh, crying and shouting authentically.

The sergeants who followed him quickly knelt down. These people were all sent by Li Zexuan to follow Sanbao to search for mines.

"Get up! Get up quickly! What's the matter with you? Didn't you ask you to go to the land of Shu to look for mines? Why are you so embarrassed?"

Sanbao's "miserable" cries alarmed the people in the other courtyard. Han Yuxi and Lan'er came out one after another, and the guards outside the courtyard, such as Pang Feiji, Liu Feng, Liu Yun, and others, also turned their attention. Li Zexuan quickly pulled Sanbao from the ground and asked.

It’s okay not to ask, but when he asked Sanbao, he cried even more. He snotted and burst into tears: “Master, Sanbao is back, and Sanbao almost never came back, but Sanbao found vanadium for the young master!”

Li Zexuan could feel the sadness on the way from Sanbao's words, so he quickly asked: "Why can't you come back? Could it be that someone in Shu is embarrassing you?"

Speaking of this, Li Zexuan's tone became very bad. The people he sent out even dared to bully him. Isn't this a slap in the face?

Sanbao controlled his emotions a little and replied: "Master, we found the vanadium mine you mentioned, Master, on a mountain in Zhangzhou, but it was caught by a group of Qiang people, who said we offended their sacred mountain. , to kill us. Later, we showed our identity and met the leader of the Qiang people. He asked us why we were digging stones on the sacred mountain. I told the truth and said that I was helping you find vanadium mines, but he I don't believe it, he said he had never heard of vanadium mines on that mountain, and he wanted people to kill us.

Later, the local magistrate brought people here in time, which saved our lives, but the Qiang people would not allow us to take the ore from the mountain. It was discovered by the Qiang people, and they sent people to chase them all the way. We didn't get rid of them completely until we left Yuezhang County. However, at that time, all the entanglements and fish charms on our body were lost, so we could only beg along the way. Relying on the help of a few good-hearted people on the way, I finally came back~! "

After listening to Li Zexuan, he was silent for a while. He had expected that this trip might have some twists and turns.

Although the Bashu region was incorporated into the political system of the Central Plains dynasty for a long time, due to geographical barriers and far away from the political center, in addition, there have been a large number of Di, Qiang, Barbarian, Liao and other ethnic groups in Bashu and the surrounding areas of the basin. In fact, the land of Bashu has become the "edge" area of ​​the dynasty. There are many noble families and tribes, and the forces of all parties are also intricate!

So he had explained to Sanbao before, telling him to try his best not to conflict with the local forces, but he didn't expect that Sanbao would be so miserable, and he almost starved to death on the road!

After a moment of silence, Li Zexuan patted Sanbao on the shoulder and said, "Sanbao, you have suffered! Don't worry, I will help you get back the grievances you suffered from the Qiang people, young master!"

"Uh-huh!"

Sanbao nodded sharply, then he scratched his head again and said, "Young Master, do you have anything to eat? Sanbao is hungry..."

The sergeants behind him also rubbed their stomachs and looked at Li Zexuan with embarrassed expressions.

Li Zexuan hurriedly ordered: "Xiao He, hurry up! Hurry up and get Sanbao and the others some food and drink!"

"Yes! Young master~!"

Xiao He hurriedly ran into the house.

Li Zexuan said to Sanbao: "Sanbao, and a few of you, come in, sit and eat slowly, drink slowly! You have all worked hard this way!"

"Yes! Young master!"

"Yes! Lord Hou!"

……………………

After a while, Xiao He and Xiao Xi brought a pot of freshly placed noodles and a large pot of chopped green onion and egg soup, which is commonly known as shaozi noodles!

One person filled a bowl of noodles and poured a little sangzi on top, and the three treasures devoured them on the stone table in the yard!

"Yeah! Sanbao, eat slowly, and no one is robbing you? Don't choke!"

It was the first time Laner saw someone gobble up their food so much, she was startled, and quickly persuaded her from the side.

"Oh! Miss Xie cares, Sanbao won't choke!"

While eating, Sanbao replied to Lan'er's words, and he was thinking that choking to death is better than starving to death. Such delicious noodles have not been eaten for a long time!

"Laner, don't disturb them to eat!"

Li Zexuan touched Laner's little head and said softly.

Although he has a lot of questions to ask the Three Treasures, he knows that now is not the time to ask questions.

"Oh!"

Laner nodded, then stood for a while, and then went out to play, little girl is not the kind of idle temperament!

After more than a quarter of an hour, the three treasures finally put down the bowls and chopsticks, and they actually ate a pot of noodles and a pot of sangzi, just like the reincarnation of a starving ghost!

"Hiccup~!"

Sanbao and the others burped, stood up from the stone bench, bowed to Li Zexuan and said:

"Thank you sir!"

"Thank you Hou Ye!"

Li Zexuan waved his hand and said, "Well, you all go back, take a shower, and have a good rest. I will reward you later! The Three Treasures stay!"

The sergeants quickly bowed and said, "Yes! Lord Hou!"

After all, they left.

Li Zexuan looked at Sanbao and asked, "Sanbao, you just said that the local Qiang people regard that mine as a sacred mountain. Why is this?"

Sanbao thought for a while and replied, "Young master, I seem to have heard a farmer say this. That mountain is called Lanjia Volcano. It is said that this mountain can attract soldiers from all over the world. As long as someone passes by with a sword, they will feel it. It seems that the sword has some kind of traction, and people behind it feel that this mountain has the power of immortals, and people are not allowed to go up the mountain at will!"

"Lanjia Volcano?"

Li Zexuan frowned, and suddenly felt that the name was familiar. He quickly searched for relevant information in his mind. After a while, he widened his eyes and said incredulously, "You mean that mountain is called Lanjia Volcano? There is another mountain called Jianshan?"

Sanbao was stunned for a moment, looked at Li Zexuan like a fairy and said: "Master, how do you know there is a sharp mountain next to you? You are so amazing! There is indeed a sharp mountain next to the Lanjia volcano, but Sanbao has not been there yet!"

Li Zexuan was immediately excited and said, "That's great! That's great!"

He can now basically conclude that the place where Sanbao and the others went is the modern Sichuan Panzhihua, while the Lanjia Volcano and Jianshan are the largest natural vanadium-titanium-magnetite mines in modern China! In the 21st century, except for the United States, which extracted vanadium from potassium vanadium uranium ore, other major vanadium-producing countries all extracted vanadium from vanadium-titanium magnetite!

Sanbao and the others really found a treasure this time!

The local Qiang people mistakenly believed that this mountain was a sacred mountain, which seemed ridiculous to Li Zexuan, because the magnetite in vanadium-titanium magnetite is strong magnetic, and it is normal to attract iron swords. Nothing matters!

"Oh, that's right! Young master, this is the ore we stole from there. A lot of them were lost when we were running for our lives, and there are only two pieces left!"

At this time, Sanbao took out two fist-sized black-gray stones from his clothes, handed them to Li Zexuan, and said.

Li Zexuan took the stone. From the appearance alone, it was similar to iron ore, but if you look carefully, you can find that the color of the stone is slightly lighter than that of iron ore, and it is slightly lighter than iron ore.

After observing for a long time, Li Zexuan looked at Sanbao and said, "If I let you lead the way and take me there again, Master, do you still know the way?"

Sanbao nodded and said, "I know! I know! Young master, don't worry, Sanbao will definitely know the way!"

Li Zexuan nodded and said: "Well! Then you go down and rest first! This time things went well, I will definitely reward you, young master!"

At this time, Sanbao exposed his "dog-licking nature" and flattered: "Hehe! It is Sanbao's honor to be able to help the young master with errands, and Sanbao dare not ask for a reward~!"

Li Zexuan said with a smile: "Oh? If that's the case, then I will fulfill your wish, young master, and I won't give you a reward!"

"Gah?"

The smile on Sanbao's face stopped abruptly, and changed to a sad face, he said pitifully: "Master... Sanbao just..."

"Haha! It's alright, alright! Go back to rest, boy! The reward that should be given to you, young master, I will definitely not give you a penny less!"

Li Zexuan laughed.

Han Yuxi and the others also smiled.

Sanbao scratched his head, and only then did he know that Li Zexuan was teasing him. He was not angry, but bowed with a smile: "Thank you, Master Sanbao!"

Li Zexuan nodded, told his wife, and went out with vanadium-titanium magnetite.

……………………

"Mr. Wang, come out with me~!"

When he came to the academy, Li Zexuan came to the office of the Chemistry Department, found Wang Ji, and said in a low voice.

"Oh! Mountain Chief! The old man is here!"

Wang Ji was reciting the "Yanhuang Academy Confidentiality Regulations" at the moment. Hearing that, he quickly put down the booklet and followed Li Zexuan out of the office.

It is said that now whether students or teachers in the academy, whenever they have time, they will take out the "Confidentiality Regulations" issued by the academy and start to memorize them. After all, this week's confidentiality exam is of great importance to everyone, and no one will Take it to heart.

"Captain, what are you looking for with Wang?"

Wang Ji followed Li Zexuan into the conference room and asked impatiently.

He is in a hurry!

Li Zexuan took out the vanadium-titanium-magnetite ore and smiled slightly: "Mr. Wang, the people I sent out seem to have found the vanadium ore. The top priority is that we must hurry up to verify whether there is any vanadium in it~!"

"What? Found the vanadium mine? What are we waiting for, then the chief? Go directly to the workshop!"

When Wang Ji heard the words, his face was full of surprise. Li Zexuan had told him that vanadium pentoxide was an important catalyst in the process of sulfuric acid production. Now that there is vanadium ore, it means that the workshop finally has the conditions to be able to manufacture large-scale sulfuric acid. Sulfuric acid is produced!

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