PS: Garlic's computer may really have a problem, and the blue screen was four or five times in the afternoon, and I was confused, and finally came to my mother's house, and wrote it on this computer!

Today's big fat man really opened Jiang Xingchen's eyes. It is said that the same rice raises a hundred kinds of people, and it is true. Who would have thought that a big lord in the imperial capital would dare to steal corn in order to eat.

The old man has stolen it before, but it's a good villain, so of course I'm not afraid. But Li Da Fat Man has neither too high cultivation nor too hard background, and what he stole is still the things that Megatron Leads the world, if he hadn't seen this big fat man scared into snot and tears, Jiang Xingchen thought that he was not afraid of heaven and earth.

In his last life, he read an article that said that a foodie bought two hairy crabs, and in order to enjoy them alone, he specially sent his daughter-in-law and children to his parents' house. I went home and turned on the lamp, and ate for more than three hours, and then I was satisfied with bringing my daughter-in-law and children back...... Originally, he never believed that there was such a thing, but when he saw today's big fat man, he believed it.

After such a while, the patrol team that heard the noise arrived, Jiang Xingchen roughly told them, asked them to clean up here, and then returned quickly with the private soldiers, the mortar was stuck in the first test, and he had to hurry up to study what the problem was.

The cannonball he designed was made of Yuanshi, which was far from the explosives used on the earth in the previous life, otherwise he would not be so nervous, because he was afraid that the shell would jam and explode.

"Sir, I guess it was because the cannonball didn't make full contact with the firing pin when it fell, so the Yuan Stone in charge of propulsion didn't completely shatter all at once!" said a craftsman solemnly.

"Hmm!" Jiang Xingchen nodded and said, "Go back to the research institute." Dismantle all the mortars, let's study them carefully!"

Jiang Xingchen hurried to design the mortar. The big fat man of the Li family was also sent back to his place of residence by private soldiers, and he just entered the house. He couldn't help but laugh.

In the old village, Jiang Xingchen said that he would give him more than a dozen corns, but he didn't react yet. It wasn't until just now, when he was walking on the road, that he understood, and couldn't help but be ecstatic, if it weren't for the private soldiers around him, I'm afraid he couldn't help but laugh out loud at that time.

"Not only is it not unlucky, but it can be regarded as a blessing in disguise!" the big fat man laughed so hard that his fat body trembled, and he couldn't stop at all......

Time flies, and another five days have passed in the blink of an eye. The big fat man of the Li family visited the injured thin man, and when he saw that he was fine, he went back happily with a dozen big corn cobs. Of course, before leaving, he quietly handed him the money he had promised to the thin man.

The thin man was not lightly injured, and although he had recuperated for five days, he was still a little sluggish, and he was refreshed when the fat man gave money.

"It's a dressing change!" the door was pushed open, and Xin'er walked in with a girl holding a medicine tray.

"Ah!" the thin man saw Xin'er, and his facial expression changed instantly, becoming similar to a bitter gourd. When I think of the black, green, black, and green that my heart took out. Looking at the medicine that disgusted Barra, he was so disgusted that he wanted to vomit.

"Lie down!" Xin'er put on her mask and made a dull sound, then picked up a porcelain vase from the plate that the girl was holding.

"What's this expression. Do you think this medicine doesn't look good?" asked Xin'er as she unwrapped the cloth for him.

"Huh...... Beautiful, beautiful!" the thin man hurriedly responded. Said behind his conscience, how disgusting is that medicine.

"I can't help it!" Xin'er shook her head and said, "Actually, don't look at this medicine ugly. But the effect is very good! Your wounds have never become infected and heal so quickly. That's the effect of this medicine!"

As Xin'er was talking, Jiang Xingchen pushed the door and walked in. The improvement of the mortar was almost complete, and he also took the time to come over and see the thin man.

From the mouth of the private soldier, he already knew that this thin man was from the surrounding villages, and although he came to steal corn this time, it was too heavy to blow people up like this.

"Sir, you're here!" Xin'er and the girl turned around at the same time.

"How's his injury?" Jiang Xingchen nodded and asked in a low voice.

"The recovery is good, the wound has healed. It's just that broken bones need to be recuperated for a long time!" Xin'er replied.

Then Jiang Xingchen asked about the thin man's situation, and the thin man was so excited that he couldn't speak. What is the identity of Lord Jiang, he actually came to see me, if he said this, he would envy a bunch of people.

Originally, Jiang Xingchen was going to take a look at it and say a few words of comfort before leaving. But at a glance, he saw the porcelain vase in Xin'er's hand.

"What is this?" Jiang Xingchen frowned, the thing in Xin'er's hand looked really disgusting, it was like being fished out of a septic tank.

"It's medicine for him!" replied Xin'er.

"What ...... this?" Jiang Xingchen was skeptical, and asked again, "What kind of plant is used to refine it?"

"No!" Xin'er shook her head and said, "It's made of green hair growing on the paste!"

"What?" For a moment, a flash of lightning seemed to flash in Jiang Xingchen's mind, and the whole person froze, as if cement had been poured on. The green hair that grows on the paste seems to be ...... Penicillium bar.

In the last life of the earth, the ancient working people of China used this method to prevent wound inflammation. This was an early application of penicillin, and if that were the case, it would be an amazing discovery.

"Sir, sir, what's wrong with you? Is there anything wrong with this medicine? I have tested it, and the treatment effect on wound infection is very good!" Xin'er was stared at by Jiang Xingchen, and her heart was pounding.

Jiang Xingchen took a deep breath, finally spoke, and asked, "Xin'er, how did you find out about this drug?"

"I also discovered it by accident......" Xin'er recounted in a low voice the discovery that this thing could prevent wound infection, and Jiang Xingchen couldn't help but sigh, many great inventions were discovered inadvertently.

This is the case with Xin'er's discovery of Penicillium. A bowl of green-haired paste, a sloppy coachman. The thing is very simple, that is, the coachman lives alone, he is sloppy, and he has not cleaned up the used paste, so he naturally grows green hair. As a result, he drank too much and accidentally got injured, and when he came home, he knocked over the paste bowl again. The green-haired paste was caught in the groom's wound, and the groom slept in a daze for a day. When Xin'er was about to prepare the car to go out, the coachman realized that he was injured, and Xin'er discovered the role of green hair.

After listening to Xin'er's narration, Jiang Xingchen fell into contemplation again, now he is only using penicillium, not to mention the small efficacy, and there are many impurities, it is okay to prevent and reduce inflammation externally in wounds, but it cannot be promoted on a large scale.

After a moment, Jiang Xingchen raised his head and said solemnly: "Xin'er! You can't find this! But the effect of using this medicine like this can't even reach one percent, you have to continue to study deeply!"

"Dig deeper?"

"Have you used the microscope invented by the research institute?" Jiang Xingchen asked.

Xin'er shook her head: "No, I don't know how to use that thing, and I see people every day, I'm too busy!"

Jiang Xingchen said: "In the future, you will come to study this medicine, and if you don't go to the clinic, you will come by yourself no matter who is sick...... How to use the microscope, I'll let Zhou Lin teach you!"

"Remember when I told you about bacteria, a microscope should be able to see how the bacteria in your drug get rid of the fungus that causes wound infection......

Jiang Xingchen didn't finish speaking, seeing that Xin'er and the girl were both ignorant, they also realized that this thing was not easy to understand, and said: "That's it, the old man will come back in a few days, and then you master and apprentice will study together!"

"Sir, I want to study it right away, I can understand some of what you say!" said Xin'er.

"That's good!" Jiang Xingchen nodded and said, "Our ultimate goal is to refine the penicillium that expells fungi......

Jiang Xingchen was a little excited at the moment, and even forgot that Xin'er didn't know what Penicillium was at all! The appearance of penicillin on the earth was also one of the greatest inventions, and Xin'er's discovery was really important. Once the development is successful and the new city is built, he will build the world's first large hospital.

Until he returned to the Lord's Mansion from Xin'er, Jiang Xingchen's mood had not calmed down. He was recalling how penicillin was extracted. He didn't study medicine, and of course he didn't know the manufacturer's production methods, and those processes of removing impurities may not be enough in the current industry.

However, he remembered that in his previous life, he had watched a stick TV series, called Benevolent Doctor, and he vaguely remembered that there was a home-made extraction method of penicillin in it.

That night, he had been trying to recall the steps of extracting penicillin as described in the TV series.

"The first step, of course, is to grow penicillium, like a paste with green hairs! I have a lot of corn now, and corn juice should be able to make a culture solution!"

"What about the second step, what should I do next...... I can't remember!" Jiang Xingchen hammered his head hard.

"Brother, what are you doing, what are you doing on the head?" Mei'er came back just in time to see this scene, and hurriedly came over and grabbed his hand.

"Mei'er, it's okay! Brother wants something, but he can't think of it, he's a little anxious!" Jiang Xingchen saw the little girl's anxious appearance, and hurriedly smiled.

"If you can't remember, just think slowly, it's useless to be anxious!" Mei'er held Jiang Xingchen's head in her arms in distress.

Jiang Xingchen hugged Mei'er's waist, then exhaled a long breath and said softly: "Yes, the more anxious you are, the more you can't remember!"

Mei'er gently pushed Jiang Xingchen away and said, "Okay! don't think about it yet, rest your brain, I'll cook!"

"Don't be mine!" Jiang Xingchen stood up and said, "I have to go to the research institute, the improved mortar has been made, and I have to do the experiment quickly while it is not dark." ”

"Then be careful, don't do it like last time!" said Mei'er, who hurriedly told her that what had happened five days ago had scared her enough.

"Don't worry, I'll be far away!" Jiang Xingchen chuckled, pinched the little girl's face, turned around and walked out of the room......

Soon after, a violent explosion echoed through the valley. Immediately, there was a cheer from the back mountain: "Success! Test launch was successful!" (To be continued......