Rebirth of the God-level Xueba

Chapter 90 1 step

The Chinese university education in the 1980s, although purely elite education, was limited to financial resources and accumulation. In terms of experimentation and practice, it did not necessarily guarantee that ordinary college students had more knowledge than later generations.

On the other hand, the key majors of graduate students and prestigious universities at this time are pure elite education. For example, schools such as Tsinghua University, Peking University and the University of Science and Technology have arranged for super cattle to directly take undergraduate classes. It is very common for academicians of the Academy of Engineering to choose two students as assistants. This kind of training is rare after more than ten years, and the so-called postdoctoral fellows do not receive considerable treatment.

The frequent appearance of great people among college students in the early 1980s has a great relationship with the education system at this time. Regardless of whether you are doing academic work, management, or being an official, experience is an extremely important asset. Thirty years later, college students might not have touched those top-level instruments until they were in their senior year. But in the 1980s, there were many freshmen and sophomores who could get this opportunity.

Nowadays, there are very few teachers and very few students. I am not a professor in the Niu Datian realm, and I dare not say that I can have a few tutors and teaching assistants to help. In 1982, the recruitment of doctoral students has not yet begun. Postgraduates are recruited directly and have not undergone undergraduate training. Therefore, many students who seem to be very spiritual, once they are lucky, they may enter a certain cow’s laboratory and participate in a certain These crucial experiments.

For similar opportunities, future generations of students may have to wait 20 years.

If Jiang De graduated from Hedong University with a master’s degree, Yang Rui said that he would not repeat the experiment on the spot. The use of saponification to extract coenzyme q10 is not a great invention, but it also represents a huge amount of foreign exchange. Yang Rui urgently needs this pot of gold and is unwilling to take this risk. In comparison, a report is simply incomparable, and even if Principal Zhao is no longer happy, it is no use.

However, since Jiang De is a chemistry undergraduate from Hedong University, it is impossible for him to know all the experimental procedures of the biology major.

Given the wealth of the university at this time, it is estimated that it cannot support students to cross-experiment between different faculties. At least, ordinary students cannot get this kind of treatment.

“The experiment may take a long time.” Yang Rui didn’t plan to perform the experiment. At this time, he was ready to make the first move, and let it go.

He took out the raw material suspension, which is the preliminary extract of pig organs, from the refrigerator. This thing needs to be beaten with a tissue mixer. The principle is similar to that of a juicer. It consumes a lot of electricity and causes a lot of pollution to operate. Yang Rui considered it for a while, but decided to use the primary raw materials from the Xibao Meat Union Factory first.

Looking at the label on the test tube, Yang Rui handed it to Jiang De and said, “You can use an ultraviolet spectrophotometer. Let’s first determine the content of coenzyme q10 in the raw material.”

Jiang De offered to express himself, and said that after reading Yang Rui’s article, he naturally knew the way to measure the content of coenzyme q10 by the ultraviolet spectrophotometer.

However, Yang Rui was able to write a paper on it that day, explaining that the steps are naturally not simple. The petroleum ether used in the steps has a more kerosene taste and is very unpleasant.

Jiang De glanced at the test tube embarrassedly, and said, “I think the test tube is well sealed, otherwise, just use the above logo for preliminary data?”

Yang Rui smiled: “Everyone is watching, let’s be strict.”

He usually uses the logo on the test tube directly. Although the viscera biochemical workshop of the Xibao Meat Union Factory is backward, it is finally a bit basic, and there will not be an order of magnitude error. As far as Yang Rui’s experiment is concerned, he does not need to be accurate to less than 1 percentage point. Of course, he occasionally checks the content of suspended solids in the freezer, and most of these tasks are actually entrusted to Wei Zhenxue.

The latter is still a member of the Institute of Coal Science, and it is not easy to appear today.

Jiang De felt a little uncomfortable, took the test tube, thought for a long time, and said: “Otherwise, you should come. I have never used the instruments in this laboratory. I will continue to be your experimental assistant.”

“That’s OK, let’s take it step by step, and you can also remember that we will have to test the content of other products in a while.” Yang Rui wrote a paper on improving production. What if the content is not measured.

Jiang De couldn’t say anything to refute, so he nodded silently.

He originally thought he was a few years older than Yang Rui, and he should be easily manipulated in the palm of his hand, but he did not expect that Yang Rui would explode with a strong aura after entering the laboratory.

To say that there are a lot of instruments, in Jiang De’s eyes, the most is a dazzling array. After all, except for the ultraviolet spectrophotometer and mechanical analytical balance, the instruments are relatively rough. However, Yang Rui’s attitude of preparing for experiments and assigning jobs reminded Jiang De of his time in college.

You come across an experiment guide whose academic level and experimental familiarity are all higher than your own. What else can you do except obediently obey your orders?

Yang Rui’s movements were slow and standard. It took almost half an hour before he completed half of the steps.

At this time, the freshness of the crowd had long since passed. Seeing Yang Rui shaking the bottle, I only felt very bored.

A cadre couldn’t help asking: “Student Yang, how long will it take?”

“It must be several hours.” Yang Rui said in a white coat without looking back.

The cadre hesitated and said, “Otherwise, let’s visit the other facilities of the school first and come back to see the results? Student Yang, can it be done in 3 hours?”

“At least six hours.” Yang Rui was anxious that they couldn’t wait to leave. Six hours later, those cadres who had eaten dinner and drank wine, it would be nice to be able to open their eyes to see people, and what else to watch.

Without waiting for others to express their opinions, Ding Yaqin smiled, “Six hours is okay, just give me a cup of tea, you can visit first.”

Slap the school, where can I visit for six hours.

Seeing that Ding Yaqin was about to stay, Jiang De was suddenly motivated, and seemed to feel that the connection between himself and the beauties from Beijing had become closer.

Yang Rui frowned secretly. Anyone who specializes in biology has to do three things: set fire to prevent viruses and reporters.

Because the biology profession is so special. I do physics to make atomic bombs, contact aliens, and make even more terrifying particle accelerators. I am not afraid of the destruction of the earth. The media occasionally ridicules. Ordinary people actually don’t care at all, and at most they oppose the one in front of the house. Nuclear Power Plant.

It’s not the same as being a creature. Cloning is a great achievement. As a result, it’s been criticized every day by the population. Some high school creatures who fail to get a score of 50 can also talk about human embryos and cell nuclei… If there is no media to help, where? There are these bad things.

The human test-tube baby started in 1978 has also been controversial. Countless people have raised the bar of ethics and arbitrarily attacked with the cooperation of the media. Researchers did not receive the Nobel Prize in Medicine until 2010. Before that, there have been Five million couples have got a perfect family.

Yang Rui doubted Ding Yaqin’s trend of turning her pink into black.

Reprinting a newsletter, do you need to stare at yourself for 6 hours of experimentation? I have been doing it for 3 hours now, which adds up to 9 hours. This is absolutely uncomfortable in an ordinary laboratory that is small and difficult to ventilate, and it is unnecessary.

All the photos that should be taken were taken, and the communication of several hundred words was reproduced without any modification.

Could it be that he came long distance and was unwilling?

Writing a Haven is definitely more targeted and easier to make a sensation than writing a red text.

If she were to change to a stable reporter in her forties or fifty, Yang Rui would probably think about it better, but she could not be sure if Ding Yaqin was in her early 20s and she was so superior.

Perhaps, the national major newspapers will not easily publish Haven, but who can tell this kind of thing clearly.

Reports such as “fake papers” and “handwritten essays with guns” might ruin one’s qualifications for the college entrance examination-the ability of Chinese journalists to take out of context cannot be underestimated. It is even more difficult to remove the stigma in the future.

“Chief Jiang, please measure the q10 content of the intermediate, or use the ultraviolet spectrophotometry.” Yang Rui gave orders and continued his work, as if he was really using Jiang De as an experimental assistant.

No matter what Ding Yaqin thinks, smoke it with petroleum ether first.

Kerosene bacon still seems to fit the Chinese recipe very well.

Ding Yaqin covered his nose with his hands, but he didn’t mean to quit.

Continuous extraction test, extraction test, finally reached the real mid-term step.

Yang Rui thought about it, said something and waited a while, walked out of the laboratory, first found He Cheng and Cao Baoming, and then Liu Shan, and then each commanded them before coming back uneasy.

Cao Baoming is tall and suitable for work that blocks the line of sight. He Cheng is familiar with the experiment and knows which steps are more critical. As a girl, Liu Shan is not particularly difficult to talk to Ding Yaqin.

In fact, the best choice is to let Jiang De and Ding Yaqin chat. However, Jiang De’s courage is quite lacking.

When the whole laboratory only knew the key points, Yang Rui secretly took apart the experimental procedures.

When mixing compound solvents such as ethane, methyl isobutyl ketone, butanol, ethyl acetate, etc., Yang Rui first mixes half or even one third, and then completes the final blending under the cover of the instrument, hands and classmates. .

The main theoretical basis for Yang Rui’s saponification method to extract coenzyme q10 is that coenzyme q in water is alkali-resistant, and at the same time, non-saponifiable phospholipids containing coenzyme q can be obtained by solvent extraction with high yield.

Therefore, the key to the problem is to find a suitable solvent that is insoluble in water.

This is a simple and tedious experiment.

If you don’t know the answer, you can almost use trial and error. That is to test one by one. How about 50% sodium hydroxide? Is it better to heat 50% sodium hydroxide to 100 degrees, or to 80 degrees? How about 3 hours in the water bath? Is 30 minutes better?

When there are a certain number of parameters, the trial and error method is definitely a life-saving thing for students. There are hundreds or thousands of experiments done-the instructor in charge of the project will not do this kind of work, so it will only be handed to student. To be honest, many domestic research results come from graduate students with a monthly salary of 800 yuan and doctoral students with a monthly salary of 1,200 yuan. Inexpensive scientific and technological labor is also a sufficient reason for the transfer of many international scientific research institutions, just as the manufacturing industry was transferred back then.

Yang Rui’s advantage is that he has a well-formed paper. Therefore, he doesn’t need a cheap laboratory assistant. He can just use the answers from other people’s trials, such as 48% sodium hydroxide, ph12 alkali treatment, and staged ph2 and ph1 acid. Processing etc…

There is no need to do the wrong experiment specifically for this repeated experiment. What to do or how to do it, and the final answer should be similar to the results of his published paper Since Jiang De can test coenzyme The content of q10, the result cannot be fabricated.

Yang Rui hopes to complete the solution ratio as soon as possible. After avoiding two items, Jiang De and Ding Yaqin also discovered the mystery.

Jiang De remained calm, but squeezed over with a smile, and said, “Student Yang, let the lab assistant do the work of dissolving the solvent. Don’t help the other students. The laboratory is small and messy. ”

What he said was also the leader of the Provincial Education Bureau. Although he had only graduated for two years, he still sent the people out with coaxing and pushing.

At this time, a few boring cadres who walked around came back and filled the laboratory again.

Yang Rui glanced at Jiang De and Ding Yaqin, pursed his lips, and thought: If you do this, you can’t blame me for not giving you face.

“Well, it happens to be troublesome with this, so let’s hand it to Chief Jiang.” Yang Rui took the initiative to give up his position, but he took a big step in his heart.

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