Chapter 400: Making the Most of It

In contrast, self-study of mathematics becomes possible, from shallow to deep, and it is very interesting.

Most of the mathematical writings of the ancients were questions and answers, and the solutions were mostly dictated because they were really difficult to express in words, and they were often omitted directly in the books.

Now there is an easy-to-learn method that builds a bridge between the question and the answer, giving them a perfect display and allowing them to walk easily from one end to the other along the bridge.

For Song Dynasty scholars who like to study the subtle words of their predecessors, this is undoubtedly a door opened - as long as they are not stubborn, as long as they are smart enough, they will know that this is another beauty different from poetry and poetry.

The beauty of nature, the beauty of heaven.

Such knowledge is in the hands of a woman, and the scholars are actually a little embarrassed.

Fortunately, there is also a Su Mingrun town among the scholars, and this woman is still young, so she doesn't hate it.

……

She seems to see through everything, and therefore she looks down on everything.

She has the most meticulous thoughts, but in the most complicated courts, she is not used for intrigue.

She is the most complex, but also the simplest, seemingly without desire or demand, only knowledge can attract her attention.

She is calm, seems to have no emotions, and only likes to find problems, study problems, and solve problems.

She doesn't seem to know the world, but she seems to know the most about the world.

In the most powerful place in the whole Song Dynasty, she asks for nothing and does not ask for anything; In the most powerful place in the whole Song Dynasty, she has no desire and is rigid.

In this treacherous court, she gradually became a legend.

When Su Xiaomei returned to Cishou Palace, the queen Gao Tao was holding the velvet coil with both hands, so that the queen mother could wrap the woolen balls.

The Queen Mother said: "Shouldn't we add a few more people to serve the official family?" ”

Gao Tao refused: "That can't." ”

The Queen Mother said: "But he is an official after all......"

Gao Tao said: "Niangniang, I was married to the thirteenth festival back then, but I don't know what official family it is. ”

The Queen Mother sighed: "My brother is strong, stronger than his father...... Little sister is back? Why doesn't this book seem to be finished? Be careful not to hurt your eyes. ”

Su Xiaomei gave a salute to the Queen Mother and the Queen: "I've seen Niangniang, the Queen, Su Rong is back." I can't hurt my eyes, my brother passed me a set of eye care massage methods, which was passed on to him by Zhang Daochang of the Arctic Academy. ”

Gao Taotao also attaches great importance to Su Xiaomei, and she now understands that charity is also a kind of power, a power that the harem can grasp.

Above the court, the ministers can spitle and spray the officials to the fullest, but they dare to spray the queen mother?

A kind, benevolent, fond of children, sympathetic to the weak, and understanding the thoughts of the elderly, she is highly respected in the Great Song Dynasty on weekdays, plus the identity of the queen mother......

Last month, some Yushi suggested that the charity funds should be managed by the Planning Department, and I don't know how to spread it out, so it became Yushi bullying the old lady.

Before the reputation of the scholars began to deteriorate, something happened in Bianliang City first.

The mule and horse shop that rented horses for him on weekdays, the vendor who delivered vegetables, and the servant who cooked and swept the floor all drew a line with the unlucky imperial history.

Do you want to bully an old man like the Queen Mother? Sixty-year-old people and dolls under the age of ten have not received the favor of charity in the capital city? I'm sorry, I can't serve you, otherwise the old man in the family will give me a pestle!

Even the peasants who collected dung and urine walked around the house, and the peasants were another large group under the care of the Queen Mother, a peasant proverb illustration overprinted calendar - the thief printed on straw paper was cheap - the peasants called it the yellow calendar; How much kindness is the promotion of a large Chinese herb and high-yielding radish seeds?

This time, Yushi had to empty the toilet himself every day, and he couldn't hold on for three days, so he cried and shouted to ask for it to be released.

Empress Gao said: "The matter in Changzhou is really worrying, a star fell from the sky, from southeast to southwest, and now it seems that it should be on the body of the Duanzhou defense envoy, and Zhao Zi was gone last month." ”

The Queen Mother said: "I think we should ...... in Western affairs."

glanced at the little sister, and quickly pulled her to explain: "It's that there will be a war, not that your brother has something." ”

Su Xiaomei said with a smile: "Didn't Si Tianjian and Jade Bureau Guan understand the investigation?" That's a piece of sky-iron. My brother said that there are many places in India because the iron is pure, and the blades created are very sharp and tough, and they are called Uzi steel. ”

"But now it can't compete with Gao Taishou's Shangzhou Steel. Niangniang, queen, you don't have to worry, it's hard to say that it's not auspicious. ”

The queen mother smiled at the queen and said: "This child, two days ago I said that the goldfish sent by Yuezhou was auspicious, but she said that it was not, and she turned around and found me several kinds, all of which were better than those in Yuezhou, but it turned out that she had raised them since she was a child, and she kept changing, and finally got a lot of strange varieties." ”

The queen said: "I also got a jar there, and I have not thanked the mother for the glass jar." ”

The Queen Mother said: "I remembered that you also liked to watch fish when you were a child......"

Speaking of which, both of them couldn't help but be a little embarrassed, because of a series of things such as the emperor's accession to the throne and the return of government, the feelings they had when they were children have been estranged a lot.

The heavenly family has no family affection, but now the Queen Mother blurted out a sentence that made Gao Tao untouched.

Thinking of those when he was a child, Gao Taotao's eyes were a little sour, and he quickly changed the topic: "Speaking of Shangzhou, what kind of matches do you think is good?" ”

The Queen Mother said: "It's very good, the best thing is that this thing can be handed over to the disabled old man in Futian Courtyard to do." This person, if he has something to do in his hands, he will not lose his spirit. ”

"A box of birthday matches for two pennies doesn't seem expensive at all, but the amount is large, in fact, the business sells it, but it's not a small amount. Shilin is getting more and more capable. ”

The queen snorted and laughed: "My own brother, what virtues can I not know? Can he make this? Maybe it was the Meishan monkey who made it! ”

The Queen Mother said: "This matter really can't be talked about, saying that this matter was done by Shilin, that is his duty to solve the case; But if it was the monkey who did it, he would have to be impeached. A relative of the country, a scholar, with a different identity, has to do things differently, alas, it is difficult for them......"

Su oil makes matches, which is purely waste utilization.

The lead obtained by Hongjiang was mixed with this large amount of tin and antimony.

Nowadays, people often confuse the three metals, the pure metal antimony, known as "Lianshan tin", which was the largest source of antimony until the time of the Republic.

Of course, Su oil should be used to the fullest.

Lead is naturally used to make projectiles, and tin can be processed into tin pots, tin pots, and sold at a good price. Antimony, the easiest way is to process it into antimony trisulfide, which is used as an explosive catalyst, heat stabilizer, moisture inhibitor and flame retardant synergist.

Of course, a better way to use it is to make a lead-antimony alloy with lead to achieve reinforcement of lead, and then you can get a good thing - lead type.

However, in a chaotic place, the cultural industry is looking for death, and Su You is very sober at this point.

The effect of antimony sulfide is to make the fuse burn stable and uniform, not too fast, so that the hand-thrown version of the earth-shaking thunder will not explode when it leaves the hand.

As for matches, it was only an additional invention for the development of the military-industrial complex.

Although the matches are small and hard-won, the sides of the safety matches are coated with the ignition agent red phosphorus, the flammable antimony sulfide, and glass powder.

On the match head, there is potassium chlorate, manganese dioxide and sulfur.

Manganese dioxide is available in Erlin and Ma'an Town, and Su oil is used by the Shuzhong caravan from Erlin Department, and Bianliang is used in Ma'an Town.

Antimony and sulfur can react directly, and antimony sulfide can be obtained by smoldering at high temperature.

In fact, this thing can be obtained from the direct physical extraction of antimony ore, and Su You sent a letter to Hongjiang to inform the mine to prepare some concentrate powder for backup in the future.

Potassium chlorate is slightly more troublesome, it is necessary to react with manganese dioxide and hydrochloric acid to produce chlorine gas, and lime milk is used to produce lime milk, and lime milk and chlorine water are used to generate calcium chlorate and calcium hypochlorite in the chlorination tower.

Then the solution is sent to the dechlorination tank to remove excess chlorine with sodium sulfide, and then sent to the decomposition tank to react with potassium chloride, and finally sent to the step-by-step crystallization chamber to obtain it.

This thing is very powerful, and its greatest use is to use it as a strong oxidizing agent, and with the addition of explosives and detonators, the power can be multiplied.