At around three o'clock in the afternoon, the test results of the iron sheet came out.
There were no contraband items, but trace amounts of sodium hypochlorite were detected.
This thing is very common and is the main ingredient of 84 disinfectant.
The main component of 84 disinfectant is sodium hypochlorite, which is an oxidant but not very oxidizing. However, the hypochlorous acid produced by the hydrolysis of sodium hypochlorite under light conditions will decompose to produce trace amounts of hydrochloric acid and oxygen, so it can slightly corrode metals and some metal adhesives.
According to the test results, the reason why this board fell off has a lot to do with the persistent corrosion of hydrochloric acid. In other words, this place has been disinfected with 84 disinfectant countless times.
This is not inside the carriage, why does it need to be disinfected so thoroughly?
Bai Song even suspected that some kind of biological weapons were being researched in this building!
"What's going on? Could this be some confidential organization? Was the Dragon King Temple washed away by our flood?" Bai Song asked.
Liu Shuyuan shook his head. He knew quite a lot. If that was really the case, there was no way he didn't know about it.
“It’s hard to say. Many pharmaceutical manufacturers or institutions that develop biological products have strict control over disinfection,” said Ms. Zhang, who is in charge of testing.
"Well, thank you so much." Liu Shuyuan continued to chat with her for a few more sentences, packed his things and a simple report, and set off on his journey home with Bai Song.
…
After returning to the office, Bai Song packed up his things. It was almost time to get off work, so he did some push-ups in the house and then followed Liu Shuyuan to the evening dinner.
There are no outsiders today, all of them are from the system, and not just the public security system, there are also some government people, the oldest is no more than 35 years old, they are all young talents.
In addition to Bai Song, Wang Huadong and Liu Shuyuan, there are five or six other seniors from the school. These seniors before Bai Song were basically all directly assigned to the Municipal Public Security Bureau, and now they are the backbone of various agencies and departments.
Because they were all family, they were not so restrained when talking. Liu Shuyuan did not have the tyrannical attitude of Zheng Chaopei, he just found a quiet big room, but the atmosphere seemed more harmonious.
The pleasant dinner ended quickly.
This day was very fruitful. Whether in the Criminal Division or at dinner, Bai Song gained a lot of popularity. This was also the first time he had some friends outside of the Jiuhe Branch.
Of course, there are also people in the Economic Investigation Corps, but as mentioned before, if you come here and do not do well, you don’t have to worry about offending anyone, because you will have fewer contacts in the future. Similarly, there are indeed few opportunities for cooperation with friends here in the future.
But the people I met today will all be my long-term comrades-in-arms in the next few decades of work. After all, the trenches are closer.
After having a glass of wine, Bai Song took a taxi back home.
Since the incident in April, Bai Song has never put himself in a state of being less clear-headed.
After arriving home, Bai Song prepared for tomorrow's classes, and when he felt it was almost time, he fell into a deep sleep.
Tomorrow's class is still very important. Being able to give a lecture in front of so many top students and if I can win some applause instead of boos will definitely be an unforgettable experience.
…
On Saturday morning, Wang Huadong came to pick up Bai Song, and the two went straight to the university.
"You look so smart today!" Bai Song was speechless when he saw Wang Huadong like this. He had known him for so long, but this was the first time he had seen him dressed in a suit! Even at the party last night, he hadn't been so well dressed.
"I'm here to listen to your lecture, so I'll dress formally to help you look good." Wang Huadong said with a laugh.
"Come on, if you want to chase a girl, just say so. Why are you so complicated..." Bai Song said sarcastically, "You look inexperienced. How can you chase someone in a suit? You look so old-fashioned."
"Ah?" Wang Huadong was really nervous when Bai Song said this, "Really?"
"Look at you." Bai Song said with disgust: "But I have asked around for you, and this girl is still single. Good luck."
"You still have this connection?" Wang Huadong was very happy to hear this.
"I called Professor Tang and asked. The girl's name is Ding Jianguo, she's 29 years old this year, she's in her second year of postdoctoral research, and she's from the same hometown as me, from Qingniao City. Old Tang said that if I know any young talents, I should introduce them to them as soon as possible. This girl is not something that most people can handle." Bai Song said with a smile, "I told Professor Tang about your situation directly."
Wang Huadong stepped on the accelerator instead of the brake, and the car suddenly jumped out, almost rear-ending the car. Bai Song's natural rhythm of switching between "Old Tang" and "Professor Tang" made Wang Huadong confused whether Bai Song was teasing him or was serious, and he cursed: "Damn, are you sick? I haven't said anything yet..."
"Old Tang said that you look good. He was originally planning to introduce a returned overseas PhD to his students to meet you, but after I said that, he has not made the arrangements for the time being." Bai Song interrupted Wang Huadong.
"..." Wang Huadong was silent for half a second, "Brother, what do you want to eat tonight? I'll treat you."
…
There are more people today, and the last courseware caused some discussion on the campus network.
Sometimes people are superstitious about authority, even if it is the same principle.
For example, if you are a high school student, and you have learned about electromagnetic radiation, and you go home and tell your grandfather that mobile phones do not actually emit radiation, nor do they have high voltage electricity, he will not believe it. But if an academician says so, he will believe it, even if the words are exactly the same.
Professor Tang happens to be one of the authorities, so several topics have become hot searches on certain websites and blogs.
This has indeed touched the cake of many people, especially some big cakes in the cosmetics industry, but in today's class, no one came to cause trouble.
What if Old Tang talks about quantum chemistry for the whole day and many people here can't even find fault with it? Wouldn't that be embarrassing?
Of course, no one thought that Professor Tang didn’t come to today’s class at all!
It is not easy to find a doctoral student to teach in a normal class, after all, teaching is also part of a teacher's job. But Lao Tang's status is obviously not limited, and the school administration will not interfere with such open classes on weekends.
Moreover, Ding Jianguo is also very famous in school, a beautiful doctoral student. Oh, no, she has already graduated with a doctorate... She is also a legendary figure. It is said that she was fine when she was about 20 years old, but later she gradually matured and her charm was so great that many people did not even have the courage to pursue her.
However, no one expected that the person giving the lecture on the stage would be a young boy.
This immediately caused the students to whisper. The eyes of the student union members who had stopped Bai Song last time were all wide open!
This is really a teaching assistant!
Bai Song looked at several members of the student union with a smile, which made the freshmen feel uneasy.
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