The senior brother who was asked by him sweated quietly, and stammered, "If you look carefully, it's actually not too difficult. Xiao Liu, don't worry, read slowly, and read the first part. Once you understand it, it will be much easier later on.”

A doctor named 'Xiao Liu' suffered another [-]-point critical attack. He originally thought that the article was difficult, but he didn't expect that all the brothers could understand it. He was the only one who couldn't understand it. It wasn't that the article was difficult, but his strength vegetable.

However, what this 'Dr. Liu' doesn't know is that his brother's strength is not that strong, but he has mastered a more effective method of reading papers-although he can't understand the derivation process, he can Understand the deduced conclusions!

He doesn't know how to derive those formulas, it doesn't matter, just leave the work of verifying whether these formulas are correct to the computer software?

After three hours, Professor Li Changping came over again and asked, "Does any of you understand it? I'm going to share my experience after reading it. Did you see anything inaccurate? Suggest it and discuss it together." "

Looking around in the doctor's studio, Professor Li Changping found 'Dr. Xiao Liu' who was the youngest student, and said, "Xiao Liu, it's up to you to start."

The cold sweat on the forehead of 'Dr. Xiao Liu' suddenly came out. He stood up with a face of embarrassment, and said honestly: "Director Li, my foundation in mathematics and science is relatively average, so I don't understand." Be prepared to criticize with an ear.

Unexpectedly, Professor Li Changping did not embarrass him, but just mentioned a sentence, "It is a good thing to discover and recognize one's own shortcomings early, and it is enough to spend time to improve this area later", and then Professor Li Changping looked at him. Others, "Which one of you understands it? Come up and share it with everyone."

"Xiao Sun, your graduation thesis is very well written, and you should have a good foundation in mathematics and science. You should come first."

'Dr. Xiao Liu' looked expectantly at the senior who had encouraged him just now, hoping that the senior could show off his strength.

However, what 'Dr. Liu' didn't expect was that his brother's face was no longer as confident as when he was mentioned just now, and now he became a little embarrassed. Because of Gao, 'Dr. Xiao Liu' noticed that his senior brother's face turned red, and his forehead started to sweat just like him.

"Could it be that Senior Brother Sun is nervous?"

In the expectation of 'Dr. Xiao Liu', Dr. Sun, who was named, said, "Director Li, the research we do here is biased towards the field of applied engineering, and the research on mathematics and science is relatively weak, and I don't understand it very well. The calculation and reasoning part of this article, but I ran it with MATLAB, and the software showed that there is no problem with this part of the calculation, so I think I can try the conclusion given by this paper.”

'Dr. Xiao Liu': "..." So you don't know how to do it, what kind of kohlrabi were you pretending to be before!

Professor Li Changping asked in surprise, "If you use his numerical simulation range, the elastic modulus and Poisson's ratio will have to be greatly changed, which is very different from our previous research results. Xiao Sun, if you come to Make a decision, how will you decide?"

"If it is confirmed that his result is accurate, the work we have done for a long time will be useless, and some of the papers we wrote may become meaningless papers, and many of our achievements will be overturned... ...Xiao Sun, tell me, if the decision is yours now, what would you do?"

Dr. Sun hesitated for about five seconds. He speculated on Li Changping's intentions in his mind, and finally decided to say what he thought.

"Director Li, if I make the decision, I will try again. The measure of whether our work is meaningful is not how many papers we have published and how much effort we have put in, but whether we have met the expected requirements. , Have you completed the technical indicators we wrote in the project application?"

"Our goal is to develop ultra-high water materials, so there is only one indicator to measure our success, that is, whether we have developed ultra-high water materials. As long as we can develop them, we can solve many problems. Problems, each solid and powerful project is far more important than how many papers we publish."

After saying what was in his heart, Dr. Sun broke into a cold sweat from the bottom of his heart.

He didn't know whether he was right or wrong in saying this, but he didn't want to speak against his conscience.

Dr. Sun thought to himself, if what he said made Professor Li Changping unhappy, then it was because he wanted to pursue the character of a scientific researcher.

Who would have thought that after he finished speaking, Professor Li Changping directly gave him a thumbs up, "That's very well said, scientific researchers need the courage and determination to correct their mistakes."

"If it is for the sake of face or liking, if you know that you are wrong and still don't admit it, you must run wildly on the wrong road, that is the greatest irresponsibility! If you do that, you will not only let down the country|country and the people trust and betray our own time.”

"Xiao Sun, I passed your assessment. If you plan to stay in school, I can reserve one for you as a postdoctoral teacher this year."

Dr. Sun: "!!!" He was shocked by the airborne surprise!

Is this a test for him?See if his scientific awareness is high or low?

It's really a tightrope walk for a goat, life and death are at the moment of thought!

Dr. Sun never thought about staying in NUDT, and he never thought that Professor Li Changping would directly give him a post-doctoral fellowship.

Professor Li Changping said: "That's it. The next research task will be led by you. Try to put some ideas put forward in this paper into practice, and use the optimal solution he gave parameters to do the first set of experiments to see if we can meet our expectations, and then use the optimal solution as the intermediate value to expand to both sides appropriately. One is to verify whether the views proposed in his paper are correct or not, and the other is For our ultimate goal - to find ultra-high water materials."

After Professor Li Changping finished speaking, he left, and all the doctors and postdoctoral fellows in the doctor's studio moved.

After finding the recipe, the synthesis of this ultra-high water material does not take much time, of course, under laboratory conditions.

After the synthesis is successful under laboratory conditions, it is possible to find the process for production line production.The former is subject to theoretical research, while the latter is subject to technological research.

With the set of automatic synthesis equipment that Zhou Cheng participated in designing at the beginning, the whole experiment only took two and a half hours to complete.

What fell into the experimental mortar was a pinch of off-white powder, about the size of a piece of rubber.

Dr. Sun immediately scraped off a layer with a scraper, and asked Dr. Liu to do the structural identification under the microscope. He himself did the most critical experiment to verify the ultra-high water material—see how the ultra-high water material meets After the water, can it show the expected properties?

Distilled water was added, and the small off-white solid expanded at a speed visible to the naked eye. The bottom of the beaker was quickly filled, and then began to expand vertically. The beaker was quickly filled, and the horizontal expansion continued... In less than 2 minutes, the beaker was burst.

The small off-white solid gradually became transparent, and after the water was completely absorbed, it turned into a large white and translucent substance, which looked a bit like a quartz crystal cluster.

Dr. Sun took a knife and scratched on the large transparent substance. The white knife did not leave any scratches on the transparent substance.

This proves that the hardness of this piece of translucent substance has exceeded seven!

This has exceeded the hardness of most stones, at least much higher than the hardness of concrete!

Dr. Sun murmured in his heart, "Which great god wrote this paper? Could it be an academician from the Academy of Sciences? Or the Yangtze River, Qianren, and Jieqing in the field of materials science? This is too strong."

The doctor with good eyesight has already gone to call Professor Li Changping.

When Professor Li Changping arrived, he immediately had the newly synthesized ultra-high water material stored away, and then asked Dr. Sun to synthesize another piece.

Dr. Sun didn't understand why Professor Li Changping wanted to collect the semi-finished product, so he asked boldly, and finally got Professor Li Changping's big eyes, "If our research is successful, then this will be the first in the world. Isn’t a piece of ultra-high water material valuable for collection? I think the shape is quite unique, how good it is to put it directly on my desk as a decoration?”

Dr. Sun warmly reminded: "Then you will test the radiation later. If it is harmful to the human body, I suggest donating it to the museum."

The ultra-high-water material was synthesized with ease. Professor Li Changping led a group of doctors and postdoctoral fellows to the internal mechanical analysis and testing laboratory of Guozhong, and stretched the ultra-high-water material. , Extrusion, cross-cutting, longitudinal cutting and many other violent destructive tests. When the experimental test results were finally obtained, Professor Li Changping’s old tears were about to fall.

This is really picking flowers intentionally and not blooming, but unintentionally planting willows and willows to make shade!

A group of them are doing research day and night, their hair is falling out one by one, and their foreheads are balding one after another. No one can solve this problem. A layman who only stepped in with half a foot gave it by mathematical means. solved.

How embarrassing should this make them?

Professor Li Changping invited the masters, doctors and post-doctors of the research group to have a big meal at his own expense that night, and announced his decision at the dinner table, setting a new rule for his students.

He said, "I don't care about those of you who are about to graduate soon, but the new students who have been enrolled for less than a year, as well as the doctors and post-doctors who will stay with me to continue doing research, and plan to join us The graduate students in the research group must study mathematics well, not only the courses stipulated by the graduate school must be learned well, but I will also ask an old friend to recommend some mathematics courses that researchers who engage in research like ours must learn , you all have to learn."

"You young people have to have demands on yourself, and you can't engage in scientific research with an attitude of not asking for deep understanding. Look, people who are good at mathematics have not done any experiments, but just picked some data from published papers. , a little bit of numerical simulation has solved the problems that have plagued us for so many years, do you think we are ashamed?"

"We are also engaged in research. They solve high-end problems, but what do we do? Experiments! Experiments! Or experiments! If they give us data, we will quickly test it. If they don't give us the data, we will It’s embarrassing to just enumerate some data and test it yourself. After learning so many scientific theories, various mathematical methods and statistical methods, in the end, we actually used the enumeration method..."

During this meal, Professor Li Changping got drunk and told a lot of truth out of his heart.

After returning home at night, Dr. Sun looked in the mirror and wiped his forehead for half an hour. He thought to himself that the few hairs on the top of his head might be completely lost.

The author has something to say: on weekends, I still have to feed everyone fat, and today is still the third watch... The author is crazy about typing.

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