Great Ming National Teacher

Chapter 42

The old man Xu Guangqi was completely attracted by the two models Li Yunya brought out. He took his son, grandson, apprentice, and a group of assistants to work hard day and night. The more he worked, the more energetic he was. He opened a window and saw another brand new world. After a year and a half, it was finally done by him.

Li Yunya got the blueprints and asked Xu Guangqi about some of the problems he had seen. He went back and forth, and after confirming that they were correct, he immediately went to the power plant in the suburbs to start construction. Now, hundreds of craftsmen carried out the construction according to the drawings. The main body is divided into two parts: the boiler and the generator, and a large chimney more than 20 meters high is connected to the top.

Adding coal and igniting the fire, the water in the boiler began to boil quickly, and the five nozzles ejected steam at the same time, blowing the turbine to start rotating, driving the coil to rotate, cutting the magnetic induction line to generate current, and soon electricity was generated.

It was not stable at the beginning. Xu Guangqi led his apprentices to direct the craftsmen on the spot, and improved several times. After more than a month of busy work, he was finally able to keep the rotor at a stable speed, and then emit relatively stable voltage and current. , the upper and lower error is about [-] volts, Li Yunya is a little afraid to take out the electrical appliances in the space to charge.

Anyway, it's good to have a successful start!

Li Yunya asked Xu Guangqi to continue to lead his apprentices and grandchildren to conduct research on electrical energy, including power supply, resistors, capacitors, and extended research on diodes, triodes, etc., as well as the improvement of generators and the manufacture of corresponding motors, and asked Song Yingxing to separate some machinery. Experts use electric motors as power to manufacture new textile machines, printing machines, pottery machines, oil presses, electric drills, lathes and other machinery.

In fact, the steam engine has already made a model in the laboratory, but it is still far from building a locomotive that can pull a million catties of goods quickly. Song Yingxing led a large number of assistants to make six models successively, one It is bigger than one, and various parameters such as power, speed, and energy conversion are repeatedly measured.

However, with electricity, many technologies have been unlocked, such as electroplating, electric welding and electrolysis, which can directly electrify salt water to generate hydrogen and chlorine gas. Chlorine gas is used to make hydrochloric acid, and the remaining solution is caustic soda.

So far, nitric acid, sulfuric acid, hydrochloric acid, caustic soda, caustic soda, three acids and two alkalis in the chemical industry are all available, and a large number of good things can be produced, such as agricultural fertilizers, ammonium nitrate explosives, and so on.

Li Yunya knew the chemical formula of electrolysis, and knew that the products he made were all good things, but soon during the production process, Academician Sun Yuanhua found that the quality of chlorine gas produced was much smaller than the calculated theoretical mass. After some research, it was confirmed that the remaining The solution is not pure caustic soda, but another liquid containing chloride ions, which has strong oxidizing properties and can be used for bleaching and disinfection.

Direct electrolysis of water can also be used to make hydrogen and oxygen. The combination of the two can be used for metal welding. Although hydrogen is not as good as acetylene, it can also be used. It can be used in conjunction with electric welding wrapped with sulfur, phosphorus and other fluxes. The two most common welding methods Technology can do it, so it can unlock a large part of technology...

Of course, the cost of gas welding is too high, and the gas is easy to leak, mainly due to the lack of airtight materials. Li Yunya thought of plastic, remembering that plastic is made of rubber trees, but rubber trees are only found in Southeast Asia. Given the current situation, he He can't leave the capital yet, otherwise, something might happen to him as soon as he leaves the house, and it's easy for the Qing emperor to force the palace and the like, so he has to stay here.

Thinking of Southeast Asia, Guangzhou, and Taiwan, Li Yunya suddenly thought of a person——Zheng Chenggong!

He immediately went to the palace to look for Zhu Youjian, Zhu Youjian was in a state of desperation, and when he saw him coming, he immediately handed over several memorials: "Look at Yunya, Gao Yingxiang has proclaimed himself emperor in Xi'an!"

In history, Gao Yingxiang did not proclaim himself emperor. He was always a bandit and was chased by officers and soldiers.

In this world, since Li Yunya provoked the struggle with the scholars, the scholar-bureaucrat class counterattacked collectively, resigned from office and returned to their hometowns, passively slowed down work, verbal and written criticism, etc. belonged to literary struggles, and some people directly joined the peasant army to advise them. These people have political vision, military talents, and all kinds of talents. They told Gao Yingxiang that the dynasty of the Ming Dynasty was exhausted and that it was about to change. To lay down a piece of territory, the Ming Dynasty is now being restrained by the Houjin Dynasty, especially the fierce battle in the winter of the second year of Chongzhen. Except for Liaodong, there are no more invincible soldiers. It is a good time to build a country and proclaim the emperor.

Gao Yingxiang is a person who respects intellectuals and is able to accept advice with an open mind, so he attacked Chang'an City three times, and finally with the help of the officials and gentry in the city, he finally brought down this eternal city. Lobbying the magistrates of prefectures and counties in various places mostly depends on the call, and some who refuse to surrender cannot withstand the attack of hundreds of thousands of peasant troops.

This is the power of the scholar-bureaucrat class in this era!They helped Gao Yingxiang set up six ministries, even set up a subject examination, recruited talents, and recruited many other rogues. All kinds of generals were also appointed, so the civil and military officials and talents of the Manchu Dynasty gathered together. Gao Yingxiang announced the establishment of the capital and the founding of the country, and the name of the country was Qian. Among them, the northwest is Qian and the sky, which just represents the meaning of replacing the Ming court and splitting the heaven and the earth again, and Gao Yingxiang is the true son of heaven.

Because the landlords, officials and gentry all supported the Dagan Kingdom, the war situation quickly reversed, especially after Gao Yingxiang founded the country, Hong Chengchou and him lost consecutive battles, Zuo Liangyu was captured and surrendered, Cao Wenzhao died in battle, Hong Chengchou had no choice but to Retiring to Shanxi, he had no choice but to sit and watch Gao Yingxiang occupy Ganshan and Shanxi, and the tiger looked at Gyeonggi. Hong Chengchou pointed out that the high thief is likely to attack Sichuan. If he takes Sichuan and then enters Huguang along the Yangtze River, the world will be in turmoil and out of control!

Zhu Youjian was also really anxious, and he couldn't blame Hong Chengchou too much, because since Hong Chengchou arrived in Shaanxi, the army's salary has been repeatedly in arrears, and there is no one who wants people, no money to ask for, and Hong Chengchou still won many victories. He ran away with his head in his arms, and even beheaded the leaders of 26 rebels. It is useless to punish him now that he is trapped in an isolated city. He plans to transfer some Liaodong troops to enter the pass, but there is another news from Liaodong that Huang Taiji will change the name of the Houjin Kingdom. For the Qing Dynasty, it also began to set up six bureaucrats, with Shenyang as its capital, and the traitor Fan Wencheng as the head and assistant.

Li Yunya said calmly: "I heard that after Huang Taiji went back, he had to learn from the pain, and he went all out to make guns and cannons. He also recruited the group of Mao Wenlong's subordinates from Dongjiang Town, and sent secret agents to Daming to buy guns and cannons at a high price. Craftsman, a head of the military department was given a lot of gold and silver when he arrived there. Huang Taiji even married his daughter to marry his sons and daughters. Kong Youde, Shang Kexi, Geng Zhongming, etc. were all highly valued. To contact Gao Yingxiang, we must attack Beijing from both sides at the same time."

"Bang!" Zhu Youjian slammed his fist on the table, blushing with anger, "Yunya, I'm going to be transferred from the southern guard..."

"It's useless." Li Yunya said, "The guards in the south have been disarmed for many years. They are already a group of farmers who only know how to farm. Let alone how many people can't be transferred, it's useless even if they are transferred."

Zhu Youjian stopped chanting, the air pressure in the room dropped, and the silence was suffocating, only the midday sun slanting in, and the smoke and dust flying out of the incense burner.

After a long time, Li Yunya said: "Actually, what can he do if he occupies Shaanxi? Jiannu occupies Liaodong, so there is nothing to do, just let them occupy it!"

Zhu Youjian was taken aback: "What did you say?"

Li Yunya knew that it was difficult for Zhu Youjian to accept this: "You know why the dynasties in the past and present will perish once every 300 years or so. They were fine in the early days of the founding of the country, but after a period of time they began to decay and wither. Later, the people were struggling to survive and the dynasty changed. Is it?"

Zhu Youjian murmured: "It is the last emperors of the dynasties who are fatuous and innocent, such as Jie of Xia, Zhou of Shang, or the power of the emperor fell apart, such as the two little emperors at the end of Song Dynasty..."

"Wrong!" Li Yunya pointed out the emperor's mistake unceremoniously, "There are many reasons, but the most important one is the land merger I told you when we met back then, and fewer and fewer people pay taxes. There are more and more people paying taxes, and the scholar class is getting stronger and stronger. They control the country, deceive the upper and lower, and fill their pockets. It is very common for them to change dynasties. No matter who is the emperor, they always use it. To them, just like those who defected to Gao Yingxiang now, even if Houjin came over in the future, they would say without hesitation that Huang Taiji is the true son of heaven, and those who can abide by morality and be loyal to the country are only a few among them. part."

Zhu Youjian now also has a lot of resentment towards the scholar-bureaucrats: "What does Yunya mean?"

"I said, it's going to rain, and my mother is going to get married. Since they like Gao Yingxiang so much, let them go! We are now in the most critical period of development, and we are also the most vulnerable. If we don't pay attention, we will be doomed. Now there are less than [-] capable soldiers in hand. If we go to fight Gao Yingxiang, although it is not difficult to win, we must also guard against the intrusion of later gold. In fact, I am not very worried about the presence of Mr. Sun in Liaodong. What I am most worried about is the instability in the south of the Yangtze River If I lead troops into Shanping for rebellion, and suddenly someone comes to Beijing in the hinterland under the banner of asking the king, then the whole world will be in chaos. Didn’t the people from the Ministry of Public Security still stay in Henan last month? Have you captured a group of White Lotus believers who are about to rebel?" He poured himself a cup of tea and took it up to drink, "As long as I lead the [-] Beijing camp to guard here, no matter what power it is, reach out and chop your hands, Stretch out your feet and chop them off. No matter how chaotic you are elsewhere, you won’t be able to turn the world upside down. If I lead troops away from here, it will be hard to say. Besides, Shaanxi has been plagued by disasters for many years, and disaster relief money is required every quarter. Natural disasters and man-made disasters continue. We can also save a lot of expenses, which is equivalent to unloading a big burden."

Zhu Youjian didn't want Li Yunya to leave the capital either. Even if he wanted to quell the rebellion, he only needed to send others to lead the troops there. Guard power.