The Black Tech Life of Scum
Chapter 8: : Inspection Box
Although there is an episode where the pig farm is to be shut down, life has to continue.
King Wang Beibei went back to the city without eating dinner, holding two big watermelons.
Zhang Zhang's mother also picked up two melons to take home, and put them in the freezer in case the neighbors came to eat at night.
Zhang Yifan did not return, wearing a straw hat, holding a laptop and burying his head in the field to study ...
There are two things to study:
First, why did this melon suddenly become delicious?
Second, if scientifically distinguish and pick ripe watermelons ...
Why did watermelon become delicious? Zhang Xiaofan listed many factors:
Variety, soil quality, watering method, watering amount, fertilizer applied, light, etc ...
Then, nothing comparable was found;
According to his method, if you want to find out the reason, you can only do experiments to verify the next year when you grow melons.
The method of picking and picking is actually taught by both Zhang Dad and Zhang Ma;
I just patted the skin, then listened to the sound. If the sound is crisp, it means that it is ripe. If it is dull, it is not ripe.
Zhang Yifan felt that this method was unscientific, there was no way to quantify it, and there was no condition for perfect reproduction.
For example, how many cows should you shoot, what position should you shoot, and at what angle ...
When listening, how far away should the ear be from the watermelon, and what criteria are used to determine whether it is crisp or muffled.
一 As soon as these questions come out, the old man's head is directly in his head. It is a poppy ....
Zhang Zhang's mother even said she was worried about customers coming from Taobao.com ...
When no one was disturbing, it was the best time for research, and Zhang Yifan began to draw up his own experimental plan:
Use X-rays to see if the inside of the melon is ripe. This theory should have the possibility of realization;
However, the first is that the cost is very high, and the second is that the accuracy is not good. In theory, the cooked melon scoop and the unripe are the same substance, and the density is almost the same ...
Then, the equipment is large, and radiation protection, power supply, etc. must be considered ... No one wants to move a few hundred kilograms of X-ray machine to the melon field to see if the melon is ripe.
This does not meet Zhang Yifan's cost-saving requirements.
So the experience of the predecessors must be adopted, after all, so many years of experience is not fake ....
What Zhang Yifan wants to do is optimize and make this process more scientific.
First of all, you must not use your hand to strike, otherwise the force cannot be controlled;
People who listen to sounds ca n’t be human ears. They have different degrees of recognition and cannot be quantified.
With a solution, many things can be achieved step by step,
The shotgun device, Zhang Yifan chose a children's toy that uses a limit switch to trigger the spring.
Listening, using a small microphone ...
Then, select ten watermelons, make a number ..... Each melon is played three times in three positions, and the sound is recorded at the same time ....
After a while, Zhang Yifan got a set of data, and also broke the ten experimental watermelons, and recorded the corresponding results ....
He did not dare to pick these melons home, and Zhang Yifan, who was eating round, gave the pigs who leaned on the melon a benefit: a watermelon feast;
This is the best way for him to destroy corpses. Those pigs who eat feed all day can eat watermelons and even scoops with skins ...
After I finished all the work to clean up the scene, Zhang Yifan, who was so full of food, took home the computer and closed himself in the room again.
————————,
一 In the early morning the next morning, the old man habitually got up early.
With the automatic feeding system made by my son, it is much easier to feed the pigs. This is only to transform the pigpen of ten pigs;
If it is completely transformed, the old man thinks that it is not a problem to manage a pig farm of two hundred pigs by himself.
Alas, none of this is possible anymore ...
I called the butchers in the town and they came to collect the pigs in a few days. What should I do next? When I look at it again, I will not starve to death ...
After taking good feed and inspecting the pigpen again, he came to Guada again with a bit of regret.
Doing this melon field can only be watered in the morning or after the sun sets, otherwise the seedlings will be burned to death;
If the water is not enough, the peel will crack easily, and the melon will not grow.
He picked the water and drenched it for a long time, and the old man opened his head and found that his son was rushing with interest ...
My old head opened his heart and was relieved:
The child was taught by a stick, 愣 was a bit 愣, but filial piety! No, I know to help.
What's more, it is also a device that can automatically feed pigs. This is the number one in Shili and Baxiang. It is enough to be proud of this alone.
"What are you doing?" Asked Da Laoyuan's old head.
"Look at the help or something, and try something ..." Zhang Yifan said, shaking the things in his hand.
"No, I'll be done here soon, just go and see your dung cake machine," the old man waved his head.
It wasn't that the old Zhang family loved Zhang Yifan and collected rice and sun-dried rice.
However, this melon field is a little different from the vegetable field. Zhang Yifan proposed an automatic sprinkler system long ago;
The old man opened his head and shouted the words behind him, and didn't even let him try it;
In his words, the Zhuanghu family even wanted to sneak water to the ground, so don't do it. You can't take the **** while you're hot ....
So, every time I asked Zhang Yifan to water the vegetable field, he would inevitably complain ....
The old one who complained and wanted to be ridiculous;
Moreover, when the old Zhang looked at Zhang Yifan's way of doing things, he didn't look pleasing to the eye, was dry, impatient, and thought of this idea, that idea;
In short, I just want to be lazy, and it makes me angry when I look at it.
After I said, the old head continued to water, and he was a little happy:
Laozi's son can make a dung cake machine, and the dung cake is not stinky, even the people in the city spend money to buy .....
When he went back last night, the child's mother also said that he had sold three more dung cakes, also known as organic fertilizer;
It made him happy, and even the haze brought by the shutdown of the pig farm went a lot, but the son didn't know what was going on, and he didn't get out of the room again, a little tired ... .
I was pouring water, and the old head suddenly heard a clear electronic sound from behind him:
请 "Please note that this melon is not cooked ..."
The old man opened his head and thought he had heard it wrong, so he didn't care much ~ www.wuxiaspot.com ~ Then he said:
"Congratulations, this melon is ripe!"
Lao Lao opened his head and lowered the bucket on his shoulder, turned around, and saw Zhang Xiaofan holding a small toy there, squatting in Guadi to play.
"Xiao Fan, what is this?" The old head walked over and asked.
"Watermelon maturity detector, I call it a melon check box, which is used to detect whether the watermelon is ripe or not," Zhang Yifan said without raising his head, and kept his hands in his hands, and put the black stuff on On the side of the watermelon.
请 "Please note that this melon is not cooked ..."
哪 "Where did you buy this stuff?"
"I made it myself, isn't it great?" Zhang Yifan said, "With this thing, you do n’t have to worry about picking raw melon when picking melon, and it is simple and convenient. You can just put it on melon and press Press this button ... "
The old man opened his head and was also interested. He took the black box that was not much larger than the cigarette box from Zhang Yifan.
I tried it according to the method Zhang Yifan said, and then picked up the watermelon and patted it with my hand ...
Then, he frowned, tried another, and patted him the way he checked melon ...
"It seems a bit accurate," the old Zhang said after trying four or five melons.
"It's not accurate yet, mainly because the amount of data is not enough. If there are dozens of melons as a DOE and then a CPK, then it will definitely be accurate," Zhang Yifan said with some playiness.
Old Zhang stuck the black box directly to Zhang Yifan's head and pressed the button.
Before Zhang Yifan responded, he was bounced by the cold melon test box. With a few golden eyes, he heard the voice from the melon test box:
请 "Please note that this melon is not cooked ..."
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