What the emperor's uncle Zhu Zaiyu created is completely out of line with this era. It is a kind of exploration and innovation, combined with the application of past experience. It is not necessarily how easy it is to use, that is, the degree of use, efficiency and the steam of future generations. Of course, turbines cannot be compared. The thermal efficiency of steam turbines used in large ships and power plants in later generations can reach more than 60%. However, the turbine of the emperor's uncle Zhu Zaiyu is probably difficult to achieve even 5%, and it is extremely unstable. .
Zhu Yijun can clearly explain the principles, such as high-pressure steam, safety valves, and the principle of steam acceleration by stator blades. High temperature, high pressure, and high speed, after passing through the rotor blades, become high temperature, high pressure, and low speed. The stator blades cool down and reduce pressure. The steam expands and naturally increases speed through the blades.
But asking Zhu Zaiyu to fully understand the logic and then design it more scientifically would be embarrassing the emperor's uncle.
But it is also a shocking miracle, because after more than two hundred years of use of reciprocating steam engines, the thermal efficiency of triple-expansion steam engines is only 8%, and the efficiency of this magical steam turbine is already close to 5%, which is extremely terrifying .
When Watt improved the steam engine, he did not go through precise calculations and designs. It was all an empirical practice.
Zhu Zaiyu's steam engine has short working time and short service life. High-temperature and high-pressure steam is extremely fatal to the steam turbine. Materials science needs breakthroughs to adapt to high-pressure and high-pressure steam, which can easily reach 400° and 500°. Fragile leaves can break easily.
The next day, Zhu Yijun received a memorial from his uncle Zhu Zaiyu. How could a short-lived steam engine extend its life? Zhu Zaiyu used a strange idea to reduce the weight of the safety valve on the high-pressure boiler, lower the temperature and pressure, reduce the pressure on the blades, and reduce the high temperature above 400° to below 200°.
Although efficiency will be further sacrificed, the service life can be immediately extended to a point sufficient for practical application.
"Uncle Huang is awesome." Zhu Yijun approved Zhu Zaiyu's memorial. This does not mean that Zhu Zaiyu gave up the exploration of high pressure and high temperature, but that he put the steam engine into practice and combined theory with practice.
The principle of a reciprocating steam engine is very simple. Steam is input to push the piston, the piston drives the crank, and the crank drives the flywheel.
The reciprocating steam engine allows high-pressure steam to enter the cylinder from both ends and pushes the piston left and right. The device that realizes the high-pressure steam entering the cylinder left and right is a slide valve connected to the flywheel.
The slide valve is connected to the flywheel through the slide valve rod. When the flywheel rotates, the slide valve moves left and right, and steam enters the cylinder from the left and right sides.
The biggest technical difficulty is sealing. Both the slide valve chamber and the cylinder have connecting rods connected to the flywheel, and both the slide valve chamber and the cylinder require sealing technology.
Compared with steam turbines, the biggest problem of reciprocating steam engines is the difficulty of sealing. The connecting rods must be moved in and out, and the connecting rods must be sealed to prevent steam from releasing pressure. This is a technical problem that Zhu Yijun needs to overcome.
Under heavy rewards, there must be brave men. All kinds of ingenious ideas appeared on Zhu Zaiyu's desk. Any useful opinions will be adopted by Zhu Zaiyu, and a reward of silver will be issued. The topic started to rise due to the heavy reward.
The major newspapers in the capital began to report on the imperial court's heavy reward, and they were looking for someone who could use firepower to lift water.
If you can't burn coal, burn silver. This is Zhu Yijun's solution. Burning silver is really useful, and Zhu will soon gain something.
"Your Majesty, Mr. Yuan Fu said that he is ready, please go to your Majesty." Feng Bao bowed his head and said. The experiment venue was in the Quanchu Guild Hall. Zhu Yijun, who was sorting out the agricultural books in Baoqi Division, heard this, closed the agricultural books and stood up.
This device comes from the "Min Bao". It is not a steam engine, but it is also a water collection device.
Minbao, a miscellaneous newspaper that likes to report on various things closely related to the people, reported on an artesian water device. This device is not a perpetual motion machine that does not require work, but a simpler way to obtain water. It is also in response to the imperial court. Called out, this thing aroused heated discussion as soon as it came out.
Zhu Yijun rushed to the Quanchu Guild Hall. Zhang Juzheng was waiting in front of the door, and the thresholds had all been removed. Under the leadership of You Qi, Zhu Yijun came to the pool of Jiuzhe Bridge.
The device is very simple, with a bellows and a pipe. The air inlet of the bellows is connected to the pipe and extends into the artificial lake.
You Qi stood next to the bellows. After getting Zhang Juzheng's approval, You Qi began to twitch the handle of the bellows.
"The water is coming out." Zhu Yijun looked at the air outlet turned into a water pipe and said to Zhang Juzheng with a smile.
You Qi chose to stop, but the water flow did not stop and continued to flow out. Then the water flow became smaller and the water stopped flowing. When You Qi pulled again, the water flowed out again.
At this time, Zhang Juzheng, the first assistant of the Ming Dynasty, was in a daze. The willow trees beside the Jiuzhi Bridge had sprouted, and they were rippled on the lake surface by the spring breeze. He had tried it many times. This was not Taoism. It is the infinite principle of all things.
It's simple, the gas in the tube is removed, so the water is sucked up, using atmospheric pressure.
In the Ming Dynasty, there was a kind of wine drainer with a long hollow pole and an air hole on the top of the long rod. Put the wine drainer into the wine and press the air hole to lift the wine up. Then release the air hole and the wine will flow into the cup. It also uses atmospheric pressure.
You Qi took the emperor and his chief assistant to his own well and extended the pipe into the well. The first well quickly pumped out water, but the second well did not.
"The second water reaches the ground and exceeds three feet. But if it exceeds three feet, the water cannot be pumped out." Zhang Juzheng said.
According to the common understanding of Daming and Taixi, the basic principle of nature's aversion to vacuum should be able to press out water if it exceeds three feet, but if it doesn't work, it won't work.
Atmospheric pressure also has a limit, and it can only press water to a height of about three feet.
The depth of three feet is the maximum distance that a water press can reach to pump out water. This does not mean that this device is useless. On the contrary, it is very useful and can greatly facilitate people's lives.
Its application scenario can be used in wells lower than three feet. This is a convenient and magical invention.
The bellows is slightly modified to become a water press. It is coated with tung oil and can be used for decades. There is a leather pad cover on the piston and water pipe inside. The air can only flow from bottom to top, not from top to bottom. , of course, if the sealing is poor, you can pour a little water on it first to increase the sealing.
"Where is the craftsman who invented this thing?" Zhu Yijun nodded repeatedly after looking at the actual object. It is really an ingenious method of lifting water. Although the height of three feet is limited, it can still be used in practice.
Zhang Juzheng was like this. He was afraid that someone would deceive the Holy Emperor, so he tried it himself. After all, during the Jiajing period, there was a fake Taoist priest who deceived the Taoist master. He was tipped off by Tishuai Lu Bing. His Majesty is young. If he was deceived, the emperor Zhang Juzheng Teacher, bear primary responsibility.
Zhang Juzheng discovered through practical experience that this thing is useful and has limited application scenarios, but it is indeed very useful and can greatly facilitate people's lives.
Zhu Yijun couldn't help but smile when he looked at the water press in front of him. Although this thing can't solve the problem of pumping water in the mine, the bottom layer of the mine is extremely complicated and the water surface height is more than ten feet, so it still has to be done. steam engine.
But any good thing for the people is something Zhu Yijun needs to pay attention to.
Zhang Juzheng asked You Qi to bring the craftsmen to His Majesty.
"The common people pay homage to your majesty. Long live your majesty, long live, long live your majesty." Zhu Yijun looked at the person in front of him. He was a middle-aged man. According to the report of the people's newspaper, this man was a carpenter from the outer city named Liu Sandao. Under the imperial court When Zhi was looking for a solution to pump water using firepower, he thought about it. Since the bellows could pump air, could it also pump water?
This attempt actually worked, but he didn't know who to talk to about it, so he found the People's Daily.
"No gift, no gift, you failed to solve the problem. I can't get the five hundred thousand taels, but I will give you a third-class merit medal, a thousand taels of silver, a bottle of national cellar, and a special gift of worsted wool. This one is a special favor." Zhu Yijun asked Feng Bao to take out his reward.
The third-class merit medal was made of copper, and the reward of one thousand taels of silver was enough for Liu Sandao to change his class.
"The common people thank the emperor for his kindness." Liu Sandao was overjoyed. With a simple thought, he actually received such a reward, which really surprised him beyond expectations. He would brag to his son and grandson in the future. He, Liu Sandao, had also met the emperor. People.
As long as Liu Sandao put the merit reward card at home, no Youzhui in the city would dare to come and cause trouble. Taking the merit reward card, he ran to the Shuntian Mansion Yamen and said that he had made contributions to the Ming Dynasty, and the Shuntian Mansion Yamen had to treat it with caution. , because this Liu Sandao really met the emperor.
Zhu Yijun chatted with Liu Sandao for a long time, asking him about the situation at home, how many people there were, how old the children were, how he came up with the idea of absorbing water, how he found the People's Daily, etc. Until Liu Sandao left, Zhu Yijun was still full of smiles. He smiled and said to Zhang Juzheng: "Who is the writer of Minbao?"
There is a key platform for speaking out, the People's Daily.
Zhu Yijun likes to read the People's Daily, which is about things that are closely related to the people. There are many interesting stories in it. This People's Daily does not have any partisan elements. Zhu Yijun is very curious about who is running this newspaper.
Miscellaneous newspapers can be described as a mixed bag, with each writer publishing all kinds of strange editorials with their own thoughts. It can be described as a chaotic dance of demons. However, this civilian newspaper never involves government affairs and specializes in picking out interesting things for publication.
When Liu Sandao found the Minbao, the Minbao did not take credit, but reported the truth, which is commendable.
"Jiao Hong and his teacher Geng Dingxiang organized the institute." Zhang Juzheng bowed his head and said. Miscellaneous newspapers are an important means of stirring up noise and public opinion. Zhang Juzheng must have paid close attention to it. It was already clear who was behind it.
This civilian newspaper was organized by Geng Dingxiang and Jiao Hong.
"Is it Jiao Hong who offended Sun Jigao last time at Yanxing Tower and almost failed to register for the examination?" Zhu Yijun was deeply impressed by Jiao Hong. This student was already quarreling with other scholars at Nanjing Chongzheng Academy, and when he arrived in the capital, he became even more serious. He scolded Sun Jigao directly.
Sun Jigao, the number one scholar, is always scolded.
"Exactly." Zhang Juzheng replied.
If you enter, you will be helpless, and if you leave, you will be invincible. The country will always perish. People are like this, their families are like this, and the country is like this. They were born in sorrow and died in happiness. Zhang Juzheng was very happy to see the people's newspapers, see Jiao Hong, Seeing the standards followed by the people's newspapers, those who follow them are just honest and report the news according to the truth.
This is really rare.
Sun Jigao, as the number one scholar with a criminal record, had a wide network of contacts in the scholarly community. If Jiao Hong offended the abbot, he would definitely not be able to worship the Buddha.
But Jiao Hong is now a disciple of the Quan Chu Guild Hall, so naturally no one dares to embarrass him too much.
"Didn't Sun Jigao prepare a miscellaneous report?" Zhu Yijun asked curiously.
"It's done." Zhang Juzheng said with difficulty. As the ancient tomb sect of the retro sect, how could Sun Jigao not publish miscellaneous reports?
"How did it go?" Zhu Yijun asked Sun Jigao for his miscellaneous reports while walking towards the Jiuzhan Bridge.
"We were unable to make ends meet. They announced their closure in December last year and closed their doors. Their retro style was actually widely popular in Shilin, but it was somewhat boring. Few people bought it. They only relied on their own support." , which means losing money.”
"This matter has something to do with worsted wool." Zhang Juzheng explained the logic.
In fact, Sun Jigao's miscellaneous newspapers could have continued to be maintained, as long as the powerful rightists behind Sun Jigao kept giving money. However, recently, the powerful rightists have focused their attention on worsted wool. Naturally, Sun Jigao Without food, there is no way to continue, so we can only stop.
"The dog food is out?" Zhu Yijun asked after thinking for a moment.
Zhang Juzheng said with a smile: "The dog food is gone."
This was the second time that the term dog food appeared. The first time was when talking about the Imperial College's opposition to arithmetic. Zhang Juzheng was no longer surprised by His Majesty's precise and interesting vocabulary.
"It's a good thing he didn't fart, otherwise I would have taken his dog head myself." Zhu Yijun shook his sleeves. There are some bottom lines in the Ming Dynasty that cannot be touched. If Sun Jigao makes up a rhetoric similar to that Japanese pirates are also human beings, then Zhu Yijun can only do it himself. Got rid of the moths.
Zhang Juzheng looked at His Majesty's back and shook his head. Your Majesty was not joking, he could really do it.
He was slightly distracted, thinking about the issues after returning to power.
His Majesty is already fifteen years old, and will be old enough to take charge of the government next year when he gets married. He has seriously considered retirement, but it seems he can't.
It's not that he wants to be regent, but that the Ming Dynasty still needs him.
What will His Majesty do after taking charge?
There will be a big purge.
This is something Zhang Juzheng could have expected. His Majesty's determination to inspire the Ming Dynasty is far greater than he imagined!
His Majesty's stinginess was only aimed at extravagance. When it was time to take action, he rewarded five hundred thousand taels of silver to the craftsmen to improve their craftsmanship. When Zhu Zaiyu didn't want it, the emperor chose to increase the money. The reward of five hundred thousand remained unchanged and he chose to increase the amount. Given to Zhu Zaiyu, half a million of real money still has to be spent.
This is just a small matter. After His Majesty takes office, he will definitely launch a round of bloody purges against the retro-religious faction, especially the Tomb faction, who oppose the New Deal. There is no doubt that the result of anyone who blocks the New Deal will be death in the physical sense. .
This is His Majesty's determination. Chen Youren, a man who talked nonsense, slandered the Ming Dynasty's capital camp and slandered Qi Jiguang, the emperor chose to kill people himself. This was the choice of the Ming Emperor.
Therefore, Zhang Juzheng cannot retreat. If he retreats, the world will enter a high-pressure state.
Just like people need to get a haircut or trim their nails, a large and bloated personnel structure will inevitably selectively optimize some parts. However, in the process of optimization, we cannot cut off our feet, hands, or heads. Head.
Tan Lun's radicalism was like having his head hurt and his head cut off, while His Majesty's radicalism could easily turn into a pain in his hand and his hands cut off due to the development of the situation.
Once some things started, they would not be controlled by anyone, not even the emperor, and eventually led to a catastrophic disaster that affected the entire Ming Dynasty.
Zhang Juzheng was very melancholy, and his beautiful retirement life was gradually drifting away.
Zhu Yijun had another meal at the imperial master's house and talked in detail about the imperial examination. Candidates for the imperial examination held every three years in the Ming Dynasty will soon be admitted to the hospital. This is to select talents.
"Sir, would you like to add an additional paper on arithmetic? The good or bad test will not affect the title on the gold list. It can be regarded as a try." Zhu Yijun said tentatively. The quality of arithmetic can judge a person's logical thinking. Zhu Yijun plans to Find some capable people. Farming, coal mining, clearing the land, returning land, collecting taxes, etc. all require people with arithmetic skills.
"I think it is good." Zhang Juzheng shook out a math test paper from his sleeves. He was actually hesitant, but since His Majesty said it, he could just add it to the examination.
There are a total of twelve questions, sixty points, one question is worth five points, and points are given according to the steps.
The additional volume does not affect the title on the gold list, but it affects the student's image in the emperor's mind, the emperor's attention and respect, which is a step to the sky for a minister.
For the imperial examinations, the imperial examination is not the end, but the beginning.
Zhu Yijun asked Zhang Hong to bring over a set of additional volumes and said with a smile: "I also have a set, sir, take a look?"
Zhu Yijun was reviewing the test paper issued by Zhang Juzheng, and Zhang Juzheng was reading the test paper issued by the emperor.
"Your Majesty, this is too difficult." After reading a few questions, Zhang Juzheng immediately took a breath of air-conditioning, which relieved the small glacier climate of the Ming Dynasty. The emperor was too radical. Your Majesty's set of papers appeared in the examination room, even if it was not four thousand In the exam, 3,500 people got zero points.
"Isn't this very simple?" Zhu Yijun said very confidently: "It is at the level of Biantongtang. There are at most two questions that are at the level of Minglitang. Why is it difficult?"
"Sir, this set of questions is really too simple. Even a kid like me can do it. If you use it to test people, isn't this a shameful way of judging people who don't read arithmetic?"
Zhang Juzheng understood that His Majesty was fully aware of the difficulty of his test papers, just to embarrass others. Zhang Juzheng highly recognized His Majesty's skill in humiliating people. In the future, Qing History will judge that in the fifth year of Wanli, most of the students scored zero in the arithmetic test. It is to be laughed at for thousands of years.
"I think I'll use my method." Looking at Zhang Juzheng's expression, Zhu Yijun knew that Mr. Zhang had understood his purpose, so he didn't hide it anymore. He just made it clear that he wanted to humiliate the humble Confucians, not to disobey the imperial court. Mingzhi, are you unwilling to learn arithmetic? Either don't take part in the imperial examination and don't have ambitions for power, or else just obey the imperial decree and implement it conscientiously.
This is Zhu Yijun's purpose.
"Your Majesty is wise." Zhang Juzheng chose to agree. It didn't matter the difficulty of the exam. It could screen out a group of ministers who followed the imperial decrees. And because it would not affect the titles on the gold list, even students with poor educational resources who could only study the Four Books and Five Classics could still There can be a fairer examination environment.
Zhu Yijun left the Quanchu Guild Hall with a full meal and a satisfied mood, and continued to tinker with his reciprocating steam engine.
Before the test, Zhu Yijun tinkered with a strange machine, a heat engine, or a Stirling engine.
It has two cylinders, one is the hot chamber and the other end is the cold chamber.
Zhu Yijun lit the oil lamp, and the hot chamber began to heat up. The air in the hot chamber expanded and pushed the piston, and the piston pushed the connecting rod to rotate. When the connecting rod rotated, it drove the piston in the cold chamber to compress, pushing the cooled air into the hot chamber, and so on. Back and forth.
The structure of this thing is extremely simple, and the cold cavity is cooled by soaking it in water.
When the temperature difference between the hot cavity and the cold cavity is higher, the speed is faster. The Bingzhan Bureau also specially uses a hollow design. The cylinder at the cold end is irregular and cast by the lost wax method. There are many holes inside so that water can enter and exit. , specially used to cool the cold cavity temperature.
The heater started spinning, and it was spinning very fast, but it was still impractical and just a toy.
If you want the application of heat engines in the engineering field, it is better to wait for the steam turbine invented by Zhu Zaiyu for reliable engineering applications. Although Zhu Zaiyu's steam turbine has various shortcomings, it is still easier to use than the heat engine invented by Zhu Yijun. Much.
The sealing requirements of hot gas engines are much higher than those of reciprocating steam engines and steam turbines. Otherwise, the gas responsible for the work will gradually be lost during the heating process and eventually shut down.
Sealing and lubrication are a pair of contradictions. If you emphasize sealing, you cannot emphasize lubrication. If you emphasize lubrication, you can emphasize sealing. However, a hot air machine must emphasize both sealing and lubrication, which makes it difficult to apply a hot air machine.
Zhu Yijun put out the oil lamp and continued to study his reciprocating steam engine.
Zhu Yijun was tinkering with the reciprocating steam engine, while Wang Qian, Zhang Siwen, Jiao Hong, Gu Xiancheng and others came to the gate of Gongyuan and entered the Gongyuan to prepare for the exam. They were full of confidence.
When the New Year was approaching last year, Shuntian Mansion would become lively. In addition to the New Year celebrations, students who came to Beijing to take the exams gradually arrived in Beijing to participate in the Wanli five-year examination. On the Shangyuan Festival, all the candidates who took the exam came to Beijing. Now that I have entered Beijing, I usually go outside the Meridian Gate to see the lights of Aoshan.
The five directions of the capital gathered together, and each township had its own guild hall.
Students who come to Beijing to take the exam will live in guild halls, except for the big families who have houses in Beijing. Because during this period, the price of inns will increase significantly, and there are no official residences in the imperial court, so merchants from various villages begin to prepare for the construction of various hotels. Guild halls, such as the Quanchu, Quanshan, and Quanzhe guilds, came into being in this way. It became a matter of course for fellow villagers to form parties based on regions.
It is very busy to move people to Beijing. They have to visit relatives and friends, submit invitations to visit famous people, and participate in various poetry gatherings. If they are Chinese-style, they are classmates. If they are under the same teacher, they are classmates. These are all Unavoidable human interactions.
Some candidates even took the letters of local teachers and found celebrities and elegant scholars in the court to submit their services. This kind of submission was beneficial to both parties. The celebrities and distinguished scholars attracted their cronies, and this candidate, under the guidance of the celebrities and distinguished scholars, was more likely to be named on the gold list.
On the seventh day of February, the Emperor of the Ming Dynasty decreed the appointment of chief examiners. This year's presidents were Lu Tiaoyang and Shen Shixing, and eighteen fellow examiners were appointed. These eighteen fellow examiners are the ones who will mark the papers. If they can vote for the names of the same examiners, , then there will be a slight advantage.
This advantage is the public opinion of the examiners. For example, most of the examiners this year are Jinshi in the fifth year of Longqing. They are all disciples of Zhang Juzheng. If the positive role of powerful people is discussed in great detail on the examination paper, it will be easy to be dismissed. He was dismissed, but if he grasped the wind and public opinion, he could grasp the direction of the exam.
On the eighth day of February, I started to enter the Gongyuan Academy. On the morning of the ninth day of February, I took the first test, which consisted of three essays with four texts and four essays with five texts;
On the twelfth day of the second lunar month, the second exam was held, which consisted of discussion, imperial edict and imperial edict. The imperial edict and edict table imitated the words and deeds of the superiors and wrote the corresponding Han and Tang imperial edicts. , Song Biao, judgment, comments on official documents submitted by subordinates;
On February 15th, it was the third test. The test was about reading and understanding a passage of material.
The first scene is the most important. There are seven articles in total, all written in eight-legged prose. It is difficult to understand. The reason why it is difficult to understand is that there is no logic. It is difficult to accurately grasp the meaning of some words and sentences. In the words of a Ming Dynasty student, This thing is empty and useless. It has nothing to do with political affairs and is of no use at all.
Before the Chenghua period, the imperial examinations of the Ming Dynasty did not use the eight-part essay. If you look at the examination papers of the number one scholars in the past dynasties, you will find that the articles written by the number one scholars in the early Ming Dynasty were not so obscure. It was only after the Chenghua period that the eight-part essay became the standard. Got the formula.
Wang Qian, Zhang Siwen, Jiao Hong, Gu Xiancheng and others handed in the policy questionnaires and thought they had finished the exam, but another paper was issued.
"It's arithmetic!" Gu Xiancheng looked at the paper and felt dizzy.
Everyone was guessing that arithmetic would be included in the imperial examination. Unexpectedly, in the fifth year of Wanli, the examination would start directly without any notice.
Gu Xiancheng felt dizzy. His arithmetic was extremely poor. If he were to take the arithmetic test, he would definitely fail. When he looked at the arithmetic test paper in despair, he saw a line on it that rekindled Gu Xiancheng's hope.
Additional arithmetic papers will be announced after passing the examination.
This means that even if you fail to answer the academic paper, it will not affect this year's imperial examination quota. This rekindled Gu Xiancheng's hope. When he started to answer the questions with great interest, he realized how scary these test questions were.
Not even one.
The three arithmetic schools, Dushu Hall, Bypass Hall, Mingli Hall, and Imperial College, are three-level teaching schools established under the national policy of Bypass Hall. The examination papers all start with the difficulty level of Bypass Hall.
Gu Xiancheng had never studied arithmetic, so it was strange that he could. He wrote nonsense and handed it in hastily.
Zhang Siwen and Jiao Hong were good friends. They were both very enthusiastic about arithmetic and were discussing the solutions to the last two problems. Wang Qian was smiling. Fortunately, he didn't listen to his father and bought textbooks from Huangzhuang. Do the math, otherwise I'm afraid it will be embarrassing this time.
It is true that the additional rolls do not affect the Jinshi, but the additional rolls affect the emperor's attitude towards the student.
How many Jinshi can only meet the emperor once in their lifetime during the palace examination. If the emperor is lazy, he may never even see the emperor in his lifetime. At such a critical moment for his sage heart, Wang Qian is very glad that his arithmetic is not bad.
Gu Xiancheng wanted to say hello to Wang Qian, but Wang Qian didn't even look at Gu Xiancheng seriously. He got into his car and left Gongyuan.
Wang Qian opened the car window and watched Zhang Siwen and Jiao Hongmei happily discussing the exam. He sighed heavily and closed the car window.
He was very envious of the friendship between Zhang Siwen and Jiao Hong. Zhang Siwen did not plan to enter politics. After being admitted to the imperial examination, he wanted to enter the Royal Academy of Geosciences, while Jiao Hong wanted to go to the Gouji Institute.
Wang Qian knew that he was just a secular person, so he didn't join in the fun.
It is not difficult to run a heat engine or Stirling engine, but it is difficult to control the speed, power, etc. To boil water, chemical energy is converted into thermal energy, and the medium is water, while the medium of a heat engine is gas, which also needs to be converted For thermal energy. Please give me a monthly ticket, wow! ! ! ! ! !
(End of chapter)
