Chapter 150: My apprentice is like me

　　 Xu Qiu starts code word.
　　 There was no humming of instruments around, and no voices. He quickly entered the state.
　　 wrote several paragraphs in a row, and finished the whole GIWAXS, together with the characterization part of TEM and AFM.
　　 No one disturbs, it really is very efficient.
　　 He was mentally prepared to be disturbed occasionally by Han Jiaying.
　　 thought she would ask him a few questions from time to time, but she was quite quiet.
　　 Xu Qiu glanced in her direction.
　　 found that the school girl was checking the computer while writing in the lab notebook, as if taking serious notes.
　　 Yes, my disciple really looks like me.
　　 When he first started to read the literature, Xu Qiu did similar things.
　　 He will record the core content of the literature or the questions that he does not understand in a notebook, and then consult Senior Sister Chen Wanqing.
　　 Later, as the amount of reading increased, it was no longer necessary to do this, and the important points would remain in my head after reading.
　　 As for other details, you can search for the WORD summarized by Teacher Wei or the PPT summarized by the senior sister when necessary.
　　 Han Jiaying seemed to perceive Xu Qiu's gaze.
　　 She raised her head and looked at him suspiciously.
　　 "It's okay, you keep busy." Xu Qiu said hurriedly.
　　 "Something..." Han Jiaying said:
　　 "Brother, I have a question to ask."
　　 Yes, you shouldn't have to look at that one more time, this time it's going to happen.
　　 However, if you say something, you still have to be responsible.
　　 Xu Qiu pulled a swivel chair, sat next to her, and said:
　　 "Let's talk, where is the problem."
　　 "Here, light absorption spectrum, what does normalization mean, why some graphs need to be normalized, and some graphs don't need to be normalized." Han Jiaying said.
　　 "This, first you have to understand what the so-called normalization means," Xu Qiu said:
"We consider a curve above the horizontal axis, and then set the maximum value of the ordinate of this curve, which is the extreme value, to 1, and then remove the ordinate of all other points by this extreme value to obtain a new curve , The process of obtaining a new curve is normalization.
　　 When the values ​​of the ordinates of the two curves are very different and it is not easy to compare them on the same axis, we can normalize them to make comparisons easier.
　　 As for when to use normalization, it mainly depends on what the author wants to express.
　　 If they want to compare the light absorption range of two materials, then the absolute value of the ordinate is not important, and it can be normalized.
　　 But if the author wants to investigate the light absorption coefficient of two materials, then the absolute value of the ordinate is the absolute value of the comparison at this time, and the normalization process cannot be performed. "
　　 "It turned out to be like this, I understand." Han Jiaying nodded and asked:
　　 "It's still the light absorption spectrum. What does a.u. mean by the ordinate next to it? I remember that it represents an atomic unit, which is generally used in quantum mechanics, but it's obviously not applicable here."
　　 "If something is undecided, quantum mechanics?" Xu Qiu first made a joke, and then seriously explained:
　　"This is because a.u. has multiple meanings, and ‘u.’ means unit.
　　 But ‘a.’ can be not only an abbreviation for ‘atomic’ but also an abbreviation for ‘arbitrary’.
　　 Therefore, a.u. here stands for arbitrary units.
　　 In fact, it is also related to the normalization just mentioned. When the ordinate is a.u. arbitrary unit, it also shows that its absolute value is not important. At this time, normalization is definitely possible. "
　　 "That's it, brother knows so much."
　　 Han Jiaying put down the notebook in her hand, stretched her waist, looked at Xu Qiu, and said:
　　 "I feel that the literature looks so hard. Is there any shortcut? Brother can't hide it without teaching it to me."
　　 "Don't tell me, it's true, do you want to listen?" Xu Qiu said mysteriously.
　　 "If you want, brother, please tell me soon." Han Jiaying said spoiledly.
　　 "Look at three documents every day, and then..." Xu Qiu hesitated.
　　 "Then?"
　　 "Then, tell me."
　　 "Is this a shortcut?" Han Jiaying tilted her head and thought for a while, and said:
　　 "It seems to be a shortcut, thank you brother."
　　 "……"
　　 Originally, he just wanted to make a joke with her, how did he feel that he had been pitted?
　　 But now, I can only bite the bullet and take it.
　　 In fact, this idea is a bit similar to his system, that is, there is a highly skilled person to guide hand in hand.
　　 As long as you are diligent and hard-working, the speed of skill improvement is naturally not slow.
　　 is naturally a shortcut compared to a single machine.
　　……
　　 After dinner, continue to code words.
　　 The self-closing code word is really very efficient, and Xu Qiu coded another big chapter continuously.
　　 According to this progress, the article in his hand will be completed within this week.
　　 Han Jiaying came back from the door and said:
　　 "Brother, I went to the laboratory to check the six reactions. The solution in the extraction tube of Soxhlet has become colorless and transparent. Do you want to shut it down."
　　 "Shut it down, it becomes colorless and transparent, indicating that the polymerization product has been purified. The next step is chloroform extraction. It is too late to do it today." Xu Qiu said:
　　 "By the way, are you going to the boiling point club for rehearsals tomorrow?"
　　 "Yes, we will rehearse once this Wednesday~EbookFREE.me~Next Tuesday, then we will formally perform on stage next Wednesday." Han Jiaying said.
　　 "Then you get ready to perform, I'll do the experiment for you later." Xu Qiu said.
　　 "Hmm." Han Jiaying nodded.
　　 Then, the two went to the laboratory and put on protective equipment.
　　 The reaction was stopped, and the product wrapped in filter paper was taken out of the extraction tube, dried roughly, then wrapped in aluminum foil, numbered, and then placed in a vacuum oven.
　　 Vacuum oven, heating function can be turned on, but it is not necessary.
　　 Simply maintain a vacuum atmosphere and ensure that the material is stored away from light.
　　 Finally, dispose of the waste liquid, soak the dirty glass instruments in the alkali tank, confirm that the water and electricity are turned off, turn off the lights and lock the door.
　　……
　　 On Wednesday morning, Xu Qiu went to class normally.
　　 In the classroom, there was nothing unusual, and the teacher did not roll the call.
　　 While he was listening to the class, he looked through the courseware before the course.
　　"Nanomaterials" is mainly a course of popular science. Although it is a degree professional course, the content is not professional.
　　 At least, for Xu Qiu, there is no pressure on self-study.
　　 is a bit like a liberal arts course, and most of the content emphasizes memory rather than understanding.
　　 However, because he skipped a lot of classes before, he couldn't finish the self-study for a while.
　　 It seems that it's going to take more time to make a surprise at the end of the term, maybe you can still hit an A.
　　 According to his observation, the professional courses of the Department of Materials are relatively simple. They usually listen to the lectures normally, and they rush for three or five days before the test, and get a stable grade A.
　　The hard part is the compulsory science courses, such as "Mathematical Analysis" and "Physical Chemistry". If you don't usually write questions, you can only rely on a surprise week before the exam, and you can guarantee a B at most.