Chapter 757 A Dream of Youth 289
Recalling the rumors of the past few days, Xie Ning comforted her, "Brother is right. They attacked you because they were afraid. Sister-in-law, do you know how many people are selected for the martial arts examination?"
"How many?"
"seventy."
Xie Ning raised the corners of her mouth slightly, "They're afraid you'll take their spot, but that spot was originally unclaimed. The fact that they can't get it is just because they're incompetent. And to blame others for their incompetence is just impotent rage."
However, the number of places for the military examination is indeed somewhat limited.
"Pfft."
Xu Hongying smiled, her eyes crinkling. She glanced at Xie Ning's official robes, knowing he had been busy all day. "Later, I'll have Qiuju make you some layered cake. I remember you love that."
"Thank you, sister-in-law."
Xie Ning turned around, went back to her room to change into clean clothes, and then plunged back into the laboratory.
During this period, in addition to preparing for the imperial examination, she also kept repeating experiments.
Xie Ning was only thinking that if the mold grew on oranges, then besides the mold, there might be other impurities that they didn't need or that were harmful. If they took out a little bit of the mold and cultured it separately, would they be able to reduce some of the impurities?
She initially used small ceramic dishes for cultivation, and then drew some diagrams for Jiang Yuanzheng to find someone to blow them. Although so many years have passed, she still has some impression of some laboratory vessels.
The Great Zhou Dynasty did have glass, no, it should be called glazed glass, including some glazed sand, jade, and colored glazed bricks and tiles, which can also be called glazed glass. There were many glazed glass hairpins in her room, which were very beautiful, but they were still somewhat different from the glass she saw in modern times.
In the Great Zhou Dynasty, glass products were no longer exclusive to the royal family and nobles. Due to the development of glass workshops in the private sector, some middle and upper classes were also able to obtain ordinary glass products, which could be considered common items.
However, some more complex, exquisite, and transparent glass products remained in the possession of the powerful and wealthy.
After several failed attempts, Xie Ning remembered that culturing bacteria required a culture medium. He then used various liquids such as rice water, water, and oil to make the culture medium and found that a mixture of rice water and taro juice worked best.
After using petri dishes, Xie Ning added a new testing method: she placed Penicillium mold and the bacteria she had cultured from pus extracted from patients with sores together, and then she could see the Penicillium mold engulfing the pathogens.
In the brine making method in the ancient book, they discovered that Penicillium should be water-soluble, but the culture medium in the petri dish was not just water. Xie Ning did not know anything else, but she knew the method of water-oil separation, so she used this method to extract the water, which should result in higher purity.
The experiment stalled here. Looking at the data from the animals, Xie Ning sighed silently. If only she had read more books before, she might have remembered the specific purification methods instead of stumbling through the experiment step by step and taking countless wrong turns.
"Thank you, Physician Du." Physician Du greeted Xie Ning with heavy dark circles under his eyes, and then gave her his signature on today's prescription.
Xie Ning looked at the test subjects on the paper, his hand holding the pen paused slightly, and he turned his head to look at the listless-looking Imperial Physician Du. "Imperial Physician Du, the effects of this blue robe are not yet stable. How can it be used directly for human trials?"
In ancient times, doctors had little concept of bacteria, but they did have established names for some microorganisms. Beneficial microorganisms in the brewing process were called "five-colored clothes," while harmful ones were called "black intestines." Therefore, this blue mold was called "blue clothes."
"Those are all death row inmates. If they are willing to test the medicine, although they cannot be directly exempted from the death penalty, they can receive some rewards." Those with families want to use this opportunity to earn some money to leave for their families.
Xie Ning responded softly, then signed his name. As he led Physician Du to fetch the medicine, the medical assistant beside him kept glancing at Xie Ning.
When she got back, she excitedly bragged to her roommates, "I saw Physician Xie today! She's so young!"
He was a military doctor who had been rotated back to the Imperial Medical Bureau from the border region to continue his studies. Originally, Xie Ning was supposed to be his teacher, but Xie Ning had been busy cultivating bacteria during this period, so he asked the old Imperial Physician Mu to teach him instead.
The other students who were tidying up the bedding laughed and said, "You'll be studying at the Imperial Medical Bureau for three months. You'll definitely be able to wait for Physician Xie to come and teach you. If you have any questions, you'd better write them down in your notebook and ask Physician Xie when she has time."
"Will Physician Xie find me troublesome?"
"How could that be? This is what Physician Xie herself brought up. She said she's usually quite busy and can't answer our questions one by one."
So they told us to write down anything we didn't understand and ask our classmates first. If our classmates didn't know either, we could hand it over to Assistant Physician Du, and then Physician Xie would set aside some time to answer all our questions together.
Xie Ning's method was indeed very good, and it greatly improved the relationship between the students.
Another bureau chief rushed in, panting, and said, "I went to check the results today!"
What ranking?
"Oh dear, don't you all know? The results of the provincial examinations were released by the Ministry of Rites today!"
"Hey, did your older sister get it?"
Continue read on readnovelmtl.com
