Chapter 71: Further Expansion of the Situation (Update starts today!!)
Generally speaking, there are usually two forms of use of dicloprid:
Intermediate powder and gel bait.
Among them, intermediate powders are mostly used in the agricultural field, with large quantities and wide coverage, but the insecticidal efficiency per unit volume is relatively limited.
After all, insecticide efficiency and cost are directly linked. The agricultural field refers to cultivated land or fruit trees, ranging from two or three acres to hundreds or thousands of acres.
If they really buy that kind of high-efficiency pesticide, the income of farmers will not be enough to spend on pesticides.
In addition to intermediate powders, most of the dicloprid commonly used in daily life are gel baits, which are high-specification and high-concentration polymeric insecticides.
For example, Bayer's Baimushi can theoretically kill more than fifty cockroaches with 0.2 grams.
This is true for the third-generation dicloprid, let alone the fifth-generation dicloprid developed by Xu Yun and others.
150 ml of water is 150 grams. The density of the fifth-generation pencloprid gel bait is much greater than that of water. The total amount of gel bait contained in two 150 ml syringes is about 700 grams, that is, seven taels per tube.
Use this amount of glue bait to plaster the wall
You can simply imagine what the concept is.
More importantly, since HKUST is located in the urban area of Luzhou, the drainage facilities of the entire campus must be distributed from the inside to the outside.
Among them, Building 14, located on the edge of the East District, is a large exit node that gathers multiple sewage pipes in the school. The number of cockroaches around it is several times greater than in other areas.
Therefore, the seriousness of the entire situation was far higher than what Chang Licheng saw in the dormitory.
When Xu Yun arrived at Building 14, the entire dormitory was already surrounded by a large number of onlookers who came from nearby dormitories, and they had a tacit understanding to maintain an effective distance of thirty or forty meters from Building 14.
"Excuse me, I'm Ying Wu's assistant coach. Thank you."
Xu Yun struggled to get out of the crowd of onlookers, and saw that in the center of the venue - that is, in the open space outside the dormitory building door, there were several dormitory guards and patrol personnel who came on duty overnight.
Through the bright flashlights in their hands, one can vaguely see an extremely scary scene:
Students who have lived in dormitories should know this.
Each dormitory building usually has three to five white sewer pipes with a diameter of about 15 centimeters, depending on the scale of the building, laid outside. Most of them are located between the walls where two dormitories meet.
At this moment, countless cockroaches were slowly climbing along the outer walls of several sewer pipes from bottom to top.
Then turn left at the edge of the third floor and climb into the fourth floor through the window at the corner of the stairs
The rest simply poured in from the gate on the first floor and rushed to the fourth floor in a dense crowd.
Of course, there must be something in and something out.
For example, some cockroaches have been poisoned and entered a state of excitement. They spread their wings high and fluttered out of the window, followed by a lot of people of the same sex.
Under the night sky, the people watching outside seemed to be Cao Cao's army, which was blocked by Ciao Fei at Dangyang Bridge.
Mixed in with this scary scene were the closed doors and windows of the dormitories, as well as the bursts of strange screams that sounded from time to time.
See this situation.
Even the night patrol team of the University of Science and Technology, which has more than ten years of security experience, are looking at me and me, standing still at a distance with flashlights, looking confused and at a loss.
The dormitory lady on the side was sharp-eyed. She glanced at Xu Yun, who had finally managed to get out of the crowd, and she suddenly looked overjoyed:
"Assistant Xu, are you here too? Come and see, what's going on?"
Xu Yun walked to a few people with a wry smile on his face and looked up at the dense cockroaches:
"Sister Liu, how long has this situation been going on?"
Sister Liu is a middle-aged woman with a somewhat bloated figure. She and her husband have been housekeepers for more than ten years. When she heard this, she looked puzzled and frightened:
"I don't know either. I was cooking for the boys in 203 at that time. I heard a strange scream from somewhere, and then I saw a bunch of cockroaches scurrying upstairs. What a formation."
Open flames are prohibited in the dormitories of HKUST, so some dormitory managers will prepare some side dishes such as chicken offal on weekdays. If students want to drink some beer or something in the dormitory on weekends, they can order one or two dishes at a very affordable price, which is also regarded as a dormitory. A little extra money.
It turned out that Sister Liu was continuing her private work. When she realized something was wrong, she quickly turned off the stove and ran out with her husband.
When Xu Yun heard this, he couldn't help but sigh:
"Sister Liu, have you contacted the school leaders?"
"I just made a call with several counselors and the leaders of the hospital branch. Dean Tian is on his way here"
"Dean Tian? Hasn't he rested yet?"
"No, they said they were doing some kind of experiment. When they heard the news, they told me they would be at the scene immediately. They also said they didn't need to call the fire brigade."
When Xu Yun heard this, he couldn't help but feel relieved.
Looking at the entire USTC, except for Qiu Sheng and several members of the research team, the only person who could guess the inside story in a short time, apart from Xu Yun himself, was Tian Liangwei.
If it were another college leader or even a school leader, what big trouble would be caused if the guarantees were not kept in full?
Those with a relatively stable mentality may be able to handle it calmly. If they meet some more emotional leaders, they may think in the direction of earthquakes or even demonization - after all, most schools are built on cemeteries. In fact, Many school leaders are very superstitious.
Basically every school's top ten campus legends will have something to do with Ah Piao.
Just like that, about twenty minutes passed.
Tian Liangwei finally rushed to the scene with his assistant.
As soon as he separated from the crowd and walked outside, Tian Liangwei felt his scalp numb. Looking at the dense cockroaches, his hometown dialect came out:
"Niang Xipi, so many cockroaches? Xiao Xu, what did you do?"
Xu Yun, who had been waiting here for a long time, sighed quietly and described the whole process in detail, placing as much responsibility on himself as possible:
"That's pretty much it, Director Tian. This is mainly my responsibility. I didn't explain the dosage to Li Cheng and them."
Tian Liangwei frowned at the beginning, but as he listened, the expression on his face gradually became a little weird:
"I can't blame you entirely. After all, it's still a problem of poor information. Those two live treasures probably searched online for cloprid used in agriculture, and thought that the effect you gave them was just like that.
Forget it, let’s not talk about this for now, Xiao Xu, is there anything you can do now? ”
Xu Yun was silent for a while and said:
"Director Tian, the first thing we need to do is to stabilize our emotions. I have just contacted several physics department cadres in the dormitory building. After group-to-group and person-to-person notifications, the doors and windows of each dormitory have been closed. < br>
Nowadays, the students in the dormitory mainly suffer from large mood swings, but others are not affected much, so more efforts need to be made to appease them. ”
After speaking, he paused and continued:
"As for the follow-up suggestions, my opinion is...wait!"
"Wait?"
Xu Yun nodded and said:
“After all, two tubes of gel bait are obviously excessive in terms of dosage, but from the perspective of coverage area, they are just that.
If nothing else goes wrong, it should have spread to the third generation of receptors by now, and will almost stop in two rounds.
Therefore, instead of manually intervening, it is better to wait on the side and spray some disinfectant substances around to prevent cockroaches from escaping.
But in this case, the students in the dormitory will probably have to get psychological counseling. How about everyone get a 0.2 grade point increase at the end of the semester? I'm sure there will be nothing wrong with me jumping around tomorrow! ”
The corners of Tian Liangwei's mouth twitched a few times:
".You did it yourself and let the school make up for the grade points?"
Then he sighed:
"Let's talk about the compensation later. I'll let you decide on the solution. I'll explain it to the college and school. Good guy, at first I thought it was a biological crisis." And just when Xu Yun and others While we were talking, the Internet gradually became lively.
(End of chapter)