"Bang, bang, bang..." From time to time, the sound of the collision between the train and the rails could be heard in his ears. Qin Ke yawned and woke up from his nap.

Next to him, Ning Qingyun had fallen asleep on his shoulder due to exhaustion from the journey.

Qin Xiaoke was sitting on the seat near the window next to Ning Qingyun. He was quite energetic. He was drawing with a sketchbook. Looking at the outline of the lines halfway through the drawing, it was vaguely Qin Ke and Ning Qingyun squatting on one side of the field.

The scene of scratching the sand while chatting with the old farmer.

This little girl's painting skills are getting better and better.

Qin Ke is somewhat envious. His talent in art is almost zero. His paintings are no better than those of kindergarten children. His pop songs are tone-deaf and he can only sing children's songs well. In this regard, Qin Ke can sing children's songs well.

Ke was completely opposite to him. His talents in singing and painting were both genius level. Sometimes Qin Ke had to lament the magic of life and why children born to the same parents could have such extreme distribution of talents.

With nothing to do, Qin Ke was ready to make some plans. In order to avoid waking Ning Qingyun, he could not take out a pen and paper from his backpack, so he motioned to Qin Xiaoke to give him a piece of paper and a pen.

Qin Xiaoke quickly handed it over.

Qin Ke took it and began to think about the recent research plan of the "Ling Ning New Energy and Freshwater Resource Renewal Utilization Technology Research Center".

Currently, the group is sitting on the train returning to Arada City. After arriving in Arada City, they will rest for one night and then split into two groups. Wei Xueming and other researchers from the Lime Plant Cultivation Laboratory will return to the capital by plane. Qin Ke

Then he flew back to Yuanzhou with Ning Qingyun, Qin Xiaoke, Ji Jiahai and others to continue to promote research on seawater desalination technology.

After this investigation, Qin Ke believes that the re-optimization of the perfect desert sweet potato is the icing on the cake and is not urgent, but the desalination technology of Qinghai Lake is more urgent.

Since the trial planting ended around March and achieved excellent practical results, the country has begun to vigorously promote the planting of desert sweet potatoes in areas on the edge of various deserts, and has included desert sweet potatoes in strategic grain reserves. How much farmers grow will be determined by the country.

No matter how much you purchase, you can also ensure that the price is similar to the market price and remains stable in the long term.

Coupled with the positive reviews and heated discussions about the perfect desert seeds on the Internet, there has been a craze for planting desert sweet potatoes in several large deserts in the country. Almost all farmers who can buy the seeds have begun to plant them in the wastelands on the edge of the desert where even pasture cannot be grown.

The perfect desert sweet potato was born. In just a few months, the planting area of ​​desert sweet potato has increased nearly a hundred times. If it were not for the inability to keep up with the seed production speed and the limited supply of seeds, the promotion speed would continue to accelerate.

At this moment, the train is driving on the edge of the vast desert. Looking from the window, you can see in the distance besides the yellow sand, there are patches of green, which are perfect desert sweet potato planting fields.

Qin Ke and Ning Qingyun were naturally happy and proud to see that their scientific research results could benefit society and improve the lives of farmers and friends, but they also saw existing problems. Corresponding to the thriving desert sweet potatoes,

Freshwater resources are further strained.

Areas close to the desert are originally relatively short of water, and this summer has been extremely hot, which has increased water evaporation in river basins and greatly reduced the water flow of rivers.

On the one hand, the amount of water in the river has greatly reduced, and on the other hand, the water consumption has increased significantly. Even if the demand for water in desert sweet potatoes is very small, far less than that of conventional crops, it cannot withstand the rapid increase in the area of ​​​​promoted planting.

Huge water demand - these have led to a shortage of fresh water resources in the northwest.

Fortunately, the results of this survey show that although freshwater resources have become more tense, they have not yet reached a "crisis" level. As long as we save water and strengthen the recycling of domestic water, we can survive today's summer.

I can still get through it.

But if the summers of the next three years continue to be so extremely hot, and the temperature even hits record highs again and again, then the shortage of fresh water resources in the northwest will almost certainly develop into a fresh water crisis.

"The minimum time limit is only three years..." Qin Ke muttered in his heart. He put away the briskly rotating pen and wrote down the words: "Target time limit: minimum three years."

Although he did not believe that mankind would face a crisis of extinction so soon, the "Xueshen Save the World System" clearly stated that he was required to research seawater desalination technology and said that "freshwater resources will become the key to the future survival of mankind."

Factors", Qin Ke still did not dare to neglect.

In particular, recent survey results and analysis of extreme weather indicate that human beings will face a severe freshwater crisis in the future, perhaps even in three to five years.

Conflicts and even fierce confrontations are not a fantasy.

This made Qin Ke feel a heavy responsibility on his shoulders.

There is only three years at least before the arrival of the freshwater crisis. The "Ling Ning New Energy and Freshwater Resource Renewal Utilization Technology Research Center" must achieve a breakthrough in saltwater desalination technology in Qinghai Lake, and also launch a technology that has the conditions for large-scale implementation and can be quickly promoted.

The energy and freshwater integration plan is not easy to solve.

Fortunately, Qin Ke already had the theoretical knowledge of the special branch technology "Basic Knowledge of Water Desalination and Purification Technology (Entry Level)" in his mind, and also had a copy of "A High-efficiency, Low-Energy Consumption Fully Automatic New Seawater Desalination Technology Solution" in his hand, which can

If you know the right direction and have assembled a group of experienced scientific researchers, your probability of success will be much greater.

If you want to solve the problem of tight freshwater resources in the northwest of Xia Kingdom first, you can even put aside the direction of seawater desalination and concentrate all manpower and material resources to conduct desalination research on the saltwater quality of Qinghai Lake. It is estimated that considerable results can be achieved within a year or two.

.

It has been more than two months since the research center was officially opened, and the research work of the "New Energy Department" and the "Desalination Resource Recycling Technology Department" are in full swing.

The "Ministry of New Energy" is divided into three groups. The first group studies high-efficiency water electrolysis hydrogen production technology, the second group studies low-cost hydrogen storage technology, and the third group studies safe and controllable green hydrogen power generation technology.

At present, the methods of industrial hydrogen production include hydrogen production from fossil fuels, hydrogen production from natural gas, hydrogen production from chemical by-products, and hydrogen production from electrolyzed water. Among them, hydrogen production from natural gas is the mainstream because of mature technology and low price. Hydrogen production from fossil fuels, which is highly polluting, has basically been eliminated.

Strictly restricting development, the cost of hydrogen production from chemical by-products is difficult to calculate separately and can only be used as an auxiliary means. Hydrogen production by electrolysis of water is also rarely used because of excessive power consumption.

However, the hydrogen production technology direction currently being studied by Qin Ke's research center unexpectedly chose electrolysis of water to produce hydrogen. On the one hand, Qin Ke is confident that it can greatly reduce the cost of electricity through various renewable energy power generation technologies such as photovoltaic, wind power, and tidal power.

, forming a forward cycle. On the other hand, the "A High-Efficiency, Low-Energy-Consumption, Fully-Automatic New Seawater Desalination Technology Plan" records a more advanced hydrogen production technology with lower energy consumption and higher purity - integrating catalysts, additives, chemistry

Proton exchange technology for electrode coating.

As for green hydrogen power generation technology, it is mainly in the direction of hydrogen chemical batteries, which can achieve continuous, uninterrupted and stable power supply for seawater desalination.

The "Desalination Resource Recycling and Utilization Technology Department" is also divided into three groups. The first group studies the "magnetic fluid seawater desalination method" and is headed by supervisor Zhou Zhishu; the second group studies the "forward osmosis method" and is headed by deputy supervisor Ji Jiahai.

Serve as the group leader; the third group studies the "electrochemically mediated seawater desalination solution", that is, the electrochemical desalination method. Luo Shouqing, who Qin Ke "retrieved" at the annual meeting of the Physical Society at the end of the year, serves as the group leader.

The three new seawater desalination technologies, "magnetic fluid desalination method", "forward osmosis method" and "electrochemical desalination method", have more advantages than traditional technologies in terms of scale prevention, energy consumption, desalination efficiency, cost, etc. At present,

Countries around the world are researching these three directions, but they are basically in the initial experimental stage, and the results will not be much more advanced than Qin Ke's research center.

Among them, the "magnetic fluid desalination method" realizes seawater desalination through magnetic fluid power generation technology. It mainly uses the large number of ions in seawater, which has good conductivity. When it flows at high speed in a magnetic field, it will be affected by the Lorentz force.

Function, the positive and negative ions in the water are separated to form an electric current. At the same time, the separation of positive and negative ions in the water also forms pure water without ions.

"Forward osmosis method" is opposite to the current mainstream "reverse osmosis method". It does not require additional pressure, but uses water to flow from the side area with higher water chemical potential (that is, lower osmotic pressure) through the forward selective permeation membrane.

Based on the principle of the lower water chemical potential (ie higher osmotic pressure) side area, the energy consumption is almost 0, and the separation effect of salt and water is good, and the equipment is simple. The difficulty lies in how to achieve high efficiency and low energy consumption of the driving solution.

and reusability, as well as low-cost and efficient preparation technology for forward osmosis membranes.

The "electrochemical desalination method" uses an electrolytic cell to decompose salt water into cations and anions, and then separates the salt from the water through selective adsorption of electrodes and selective permeability of the membrane. The core of the technology is the design and design of electrodes and membranes.

preparation.

The three methods can promote each other and cooperate together, and can also be matched differently according to different water qualities. They are all new seawater desalination technologies mainly promoted in "A High-efficiency, Low-Energy-Consumption Fully-Automatic New Seawater Desalination Technology Plan".

As for which power generation and hydrogen production technologies and which seawater desalination technologies are suitable for the conditions of Qinghai Lake, a technical team needs to be dispatched to conduct special research. Qin Ke does not need to follow up on these tasks personally. He only needs to make decisions based on the research data.

Just formulate an experimental plan for technical research.

Qin Ke wrote down research ideas and plans while analyzing the situation.

At this time, the train slowly pulled into the station, and the surroundings began to become noisy. Because the journey only took about an hour and a half, Qin Ke felt that there was no need to buy a sleeper, so he asked Wei Feng to arrange an ordinary hard seat, which could be regarded as integrating into society and carrying out social practice.

One ring.

There were not many people traveling in this hot season, half of the seats in the carriage were empty, and it was relatively quiet overall.

It wasn't until this time that the train slowed down and entered the station, and passengers wanted to get off, that it became lively.

Suddenly I heard someone in front ask: "Professor Xu, the news on the Internet said that Academician Qin Ke and Academician Ning Qingjun are also doing research on desert sweet potatoes here. Do you think we will just meet them?"

The voice is relatively young, he seems to be a college student.

Hearing his name, Qin Ke looked up curiously. Qin Xiaoke also stopped writing and looked ahead.

Sitting at the front of the carriage seemed to be a few students, and a scholar wearing glasses. He was in his early fifties and should be "Professor Xu" as the students called him.

Professor Xu shook his head and said: "Not necessarily. The news said that they started from the city of Arada and walked along the towns on the edge of the desert. We are just going to the city of Arada now. How could we meet them?"

Another female student asked: "Professor, do you think Academician Qin and Academician Ning would really go to the fields to do research in such hot weather? Some people on the Internet said it was a photo from the past, and even said that they were

I just got married and am currently traveling abroad for my honeymoon. How can I spend my honeymoon time to eat ashes in the desert?"

Some students echoed: "Yes, and they never admitted on their scarves that they were doing research in the desert. In the news, only the media in Arada City issued a press release and attached a photo.

There was no news anymore, and no reporters from other towns reported it. And the weather is too hot, right? I don’t think they would choose this time even if they wanted to do research.”

Qin Xiaoke couldn't sit still when she heard this. She knew that her brother and sister-in-law didn't like being surrounded by people for interviews and reports, so this survey was like a show to gain fame, so Allada City conducted it without permission.

After publishing a press release, I made a special phone call and specifically warned him not to post similar news again. I also began to keep my itinerary confidential and avoid all media reporters. Unexpectedly, someone actually trolled my brother and me on the Internet.

Sister-in-law, Qin Xiaoke felt angry and was about to get up to argue.

This chapter is not over yet, please click on the next page to continue reading! Qin Ke held her down with one hand and signaled her to calm down.

Qin Xiaoke pouted and sat down again unhappily.

I only heard Professor Xu say: "The media in Arada City don't have the guts to make such rumors, and based on my understanding of the characters of the two young academicians, I think this matter should be true. They are fraudulent and just trying to gain fame."

It is impossible to develop "computational seed science" and "perfect desert sweet potato". I also heard that before they studied seeds, they traveled across the country during the summer vacation of their senior year of high school to do field research. Such a rigorous academic attitude,

You should learn a little bit."

The female student asked again: "But Professor Xu, we only study plant genetics, why do we have to come to this desert to investigate desert sweet potatoes on a hot day?"

Professor Xu had a good temper and was not angry at the students' questions. He just smiled gently and said: "If you just stay in the laboratory, you will gradually lose touch with reality. This is very fatal to scientific researchers and even academic research."

of."

When Professor Xu said this, he sighed: "Currently, Xia's scientific research circle and academic circle are becoming more and more exaggerated. Those who are young and willing to brave the heat to conduct field research like Academicians Qin and Academicians Ning are very rare.

This trend is very bad and will cause elite scholars and scientists to become less and less down-to-earth. Their research will lose their sensitivity to the sufferings of the people at the bottom, and they will become arrogant and talk without hurting their backs."

"Just like some scholars suggest that 'low-income people rent out their extra houses to increase their income', 'Young people don't need to waste too much time commuting, they should rent a house near the company, and the time saved can be used to study and improve.

"Self"... will only make people laugh. It sounds ridiculous to you now, but if you don't insist on on-the-spot research, you will become such a person sooner or later."

"Our study of plant genetics is a discipline that pays equal attention to theory and application. It is very important to understand why we are doing research. If we do not understand the actual situation of farmers, how can we do research? Are the results of research just shelved as theory?

You must learn from Academician Qin and Academician Ning. Their research on desert sweet potatoes is to alleviate the problem of desertification and to give poor farmers on the edge of the desert hope to live a new life. Their starting point is very correct..."

As Professor Xu was talking, some passengers came to the stopped train one after another. A young man with yellow hair holding his mobile phone high said to the mobile phone: "Dear fellow trainees, I just got on the train. Everyone is watching.

Here we are. I have asked in several desert sweet potato fields in this town before, but no one has seen Qin Ke and Ning Qingyun. Next, I will go to Arada City to interview local farmers.

Then we will be able to expose the truth about their deception..."
Chapter completed!