Lin Ran has been a little busy lately.

As the pillar of the medical school of Guanshishan Academy, Lin Ran has been invited by the military medical department of the Tang Royal Military Academy to give lectures recently.

The most common thing that the military medical department faces is all kinds of trauma, which is what Lin Ran is best at.

"Tweezers!"

"Scissors!"

"Hemostat!"

"Gauze!"

In the silkworm room of the military medical department, Lin Ran was personally demonstrating wound suturing to the students of the military medical department.

"Sect Lin, isn't this gauze wrapped around the wound increasing the risk of infection?"

Lin Ran's operation can be regarded as a teaching demonstration operation.

In the silkworm room, dozens of military medical cadets stood densely.

"Chaoyue said, if we use ordinary cloth to help the wound, it will indeed increase the risk of wound infection. As you all know, the microorganisms on these cloths make the wound more inflamed. But our gauze is different, this is the medical gauze launched after the latest improvement of the Gewu College of Guanshishan Academy, which is not only breathable, but also sterilized.

Using these gauze to help the wound not only does not increase the risk of infection, but rather decreases it. In addition, if the wound is deep and wide, the wound will heal much faster after using gauze. ”

Like this small operation in front of him, Lin Ran can do it with both heart and soul, and the operation and teaching are not wrong.

The student who is now questioning is the most talented in the military medical department of the Tang Royal Military Academy, and Lin Ran is even more willing to seriously answer his doubts.

Speaking of which, as a medical family, the Chao family has not only occupied a place in Tai Hospital for a long time, but Renxintang is also famous in Chang'an City.

Now that the military academy has set up a military doctor, the Chao family naturally has children to enter.

Although Chaoyue Dao is not a descendant of the Chao family, it can be regarded as a surname Chao.

"Is this why our military medical department has made gauze a must-have item in the medical kit?"

The medical box is the most common thing around every student in the military medical department of the Datang Royal Military Academy.

According to the regulations of the Military Medical Department, there are no special circumstances, and each cadet needs to carry a medical kit at all times.

In addition to commonly used surgical instruments, disinfectant alcohol, health pills, and other items, gauze has recently been added.

Although the weight of the gauze is very light, everyone is still concerned about the things added to the medical kit.

"That's right. This gauze, if it is on the battlefield, will be one of the most important items for soldiers to save their lives. Especially in the case of a large number of wounded, Lang Zhong in the army must not have time to deal with the wounded one by one, at this time, it is of great significance to use gauze to urgently tie the wound to avoid a lot of blood loss and miss the opportunity for treatment. ”

Although Li Kuan simply mentioned this truth to Sun Simiao and Lin Ran, after several tests, Lin Ran completely believed in Li Kuan's theory.

And, under his suggestion, gauze became the most common medical material in the military medical department of the Tang Royal Military Academy, and it also began to be used in large quantities in the affiliated medical hall of the Medical College of Guanshishan Academy.

In a sense, the emergence of gauze has played a huge role in the development of surgery.

Although it is not as significant as disinfectant alcohol, it plays an auxiliary role in wound healing.

……

"Lord Wang, why did you let people change all the mosquito nets?"

In the palace of the King of Chu, Cheng Jingwen asked Li Kuan with a little doubt. Pi Phi Reading.com

For trivial things like changing mosquito nets, Li Kuan would definitely not care about it in the past, let alone arrange someone to do it himself.

Otherwise, Cheng Jingwen wouldn't feel strange.

"Jingwen, have you noticed that this mosquito net is different from the previous ones?"

Li Kuan looked at the very ordinary mosquito net in front of him and said with a smile.

As the palace of the king of Chu, which is a rich country, the mosquito nets in the past were basically made of silk.

The mosquito nets made of this silk are high-grade, but after cleaning them several times, it is easy to have such and such problems.

Moreover, this silk mosquito net is also prone to deterioration.

Although the Chu Wangfu is not short of this money, Li Kuan has put a lot of effort into finding more applications for cotton.

Needless to say, the cotton cloth is also Li Kuan's outstanding.

Today's mosquito nets are no exception.

This mosquito net may seem inconspicuous, but it is also a product of a long history.

Basically, it is a must-have material for every household.

With this idea, the sanitary conditions are not as good as those of later generations, but the greening is much better than that of later generations, and there will naturally be no shortage of mosquitoes.

There is no dengue fever, but there are so many mosquitoes that no one can stand it.

"Is there a difference? It looks like it's all pretty much the same. ”

Cheng Jingwen usually pays very little attention to mosquito nets, and she really doesn't see any difference between the mosquito nets in front of her.

Of course, the previous one was dyed, and now it is white.

However, she believes that Li Kuan is certainly not referring to this distinction.

"The raw material for this mosquito net is cotton. Compared to silk mosquito nets, it is much less expensive; Compared with the mosquito nets made of linen, the quality is much better, and it can be said to be the best item for making mosquito nets. ”

Even in later generations, mosquito nets were generally made from cotton as the original material.

This can be regarded as a side proof that cotton is the best partner for mosquito nets.

"Cotton? If the mosquito nets of every household are replaced with cotton yarn processed from cotton, then the demand for cotton will definitely rise to a higher level, and the cotton planting in Hedong Province will be even more extraordinary. ”

Cheng Jingwen's brain is not bad, and she quickly thought of the meaning behind this matter.

"There are many functions of cotton, in addition to cotton cloth, gauze and mosquito nets, this cotton clothing and quilt will also be the main use of the occasion. The cotton you wore before, how warm it is, you can't be more clear. Once the output of cotton continues to increase, the price of cotton will inevitably continue to fall, and then the people will have the opportunity to afford cotton clothes and quilts, which can be regarded as a scene in the prosperous era of Zhenguan. ”

"In this way, the cotton planting area in Hedong Province must continue to expand?"

"That's right, not only Hedongdao, after the army occupies the Western Regions, I am ready to suggest to the imperial court to promote the cultivation of cotton in the Western Regions, so that the Western Regions will no longer be a dispensable, tasteless food, and a pity to abandon."

In Li Kuan's heart, the territory of Datang is naturally as wide as possible.

Even if you don't need it now, you can leave it to future generations.

In the past, in places like the Western Regions, the reason why the Central Plains Dynasty did not have much desire to occupy was that the input-output ratio was too low.

Fighting a war with money and money, but nothing was gained.

However, if cotton cultivation is promoted in the Western Regions, and when the steam train comes out later, then the value of the Western Regions will immediately be highlighted.