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"Normally, there is a pipe split from the loop tank to direct fresh water into the water bag that is connected at the other end. However, there are also relatively simple ritual devices, which do not connect to the water bag, and the inverting device can directly pour out the fresh water collected inside. ”

Because Zhang Chen was very interested, he pulled Huang Shi Lian and asked several questions, so Huang Shi walked to the side with him and Chen Youxin, there was just a pile of sand piled on it, so he grabbed a handful, and then squatted down, sprinkled them on the ground, smoothed them with his hands, picked up a small sharp stone and said while drawing on the ground, and explained the working principle of this water purifier.

"Of course, in this device, it is also important to ensure that the water purifier container is relatively airtight, so as to maintain the temperature difference between the inside and outside of the container." Huang Shi clapped his hands after speaking, and was about to stand up, because he saw that Chen Youxin seemed to be listening to a book from heaven, and he was so confused that he almost shouted that he didn't understand anything.

And Zhang Chen stared at the ground with his eyes, because Huang Shi drew a diagram of the internal structure of the "magic weapon" on it, he pursed his mouth tightly and looked like he was thinking hard, Huang Shi didn't bother him, he stood up and looked at the water purifier on the water in the distance.

He has been buying this "Youth Pi's Seawater Purifier" for a long time, and he had already thought of this thing when he didn't go to the island at the beginning.

At that time, it was still the hot stage of the movie, and some careful netizens found out from the film that a cone-shaped transparent object similar to a jellyfish was tethered to the lifeboat, which was considered to be a tool that used solar energy to collect fresh water, which felt quite high-tech.

When Huangshi saw the news, he was still thinking that this might only be equipped by foreign travelers, but when he remembered it, he actually searched on the Taobao website, which shows that China's copycat ability is fast and ruthless, and he doesn't give others a way to live.

I bought it because it was an emergency device in times of emergency, and this solar-powered distillation device captures a negligible amount of fresh water, and can only collect 0 from seawater per day. 5-2 litres of fresh water, so it can not only distill fresh water from seawater, but also suitable for use in extreme environments in the wild, such as swamps or mountain forests.

Later, when I came to Dongluo Island, I learned that the well in this place was enough for twenty of them, so there was no need to spend any effort to do this, and the fresh water obtained by the above distillation method filtered out a large number of mineral elements, which is the same principle as obtaining distilled water in the laboratory, and there should be no problem with using it for emergencies, but it cannot be used as daily drinking water for a long time.

When the large number of people from the Jiang family were coerced back, it was time to use this thing, but they didn't think about it because they were busy, and finally after the pontoon bridge was installed today, they remembered that there was such a thing in their warehouse, so they took it out to test the effect and see how it was.

In modern times, such islands, especially large sea vessels, are generally equipped with special "water generators", which rely on fuel to distill seawater, and then condense to obtain fresh water, with this large device can produce dozens of tons of fresh water per day, and counting drinking, washing, cooling of equipment on board and other purposes, the daily consumption of fresh water on the ship is only 10 tons -15 tons, and the fresh water tank on the ship can usually store 300 tons of water.

If it's an individual's outdoor survival drinking water, then Yellowstone also saw a straw on Amazon.com, which was priced at $14 at the time. 99, that is, about 95 yuan, is said to be directly used to drink surface water, including those dirty water and muddy water.

Because it is also used by some international rescue organizations for water purification projects in Africa, I watched the video and found that this product is indeed very fierce, and it can really draw drinkable water from turbid water, which makes Huangshi more than staggered.

Its principle is that it has a built-in 7-level filter, and the official statement is that it can filter 99. 99999% bacteria in water, effective cycle times 1000 liters. Huang Shi also bought some, this kind of thing he wanted to only equip some special forces or soldiers who went to special areas to carry out tasks, which must be very practical.

……

"Chief, isn't the principle of this water purifier the same as the principle of rain in the sky?" Zhang Chen, who was squatting on the ground, suddenly asked, and looked up at Huangshi.

"Ah...... Oh, yes. Huang Shi, who was asked, really didn't react for a while.

"Oh, chief, I see that the book 'The Simplified Truth of Nature' that you gave me is written like this, saying that the sea water of the ocean has water vapor after the sun evaporates, and the water vapor reaches the sky and is sucked into the clouds, and the clouds absorb more water vapor and become cumulonimbus clouds, and cumulonimbus clouds will rain. Right? Chief Huang. ”

Zhang Chen's eyes lit up, he looked at Huangshi excitedly, and then picked up the small stone just now and began to draw on the ground.

Then he drew a small circle in the upper right corner of the circle, and then drew a few radiation lines from the small circle outward, Huang Shi understood, he drew the sun, then the two circles just now are estimated to be the earth and the atmosphere, sure enough, the stone in Zhang Chen's hand turned back between the two circles, and a few auspicious clouds were drawn on it, followed by some small black dots representing rain.

"Yes, the reason is almost the same, I really didn't expect Zhang Chen to suddenly open your head." Huang Shi looked at the two pictures on the ground and smiled, and at the same time was a little surprised, after all, a native of the Ming Dynasty only read a book that he had rewritten "100,000 for what is the matter", and he could actually connect two different things and interpret them.

"Hehehe, chief, I couldn't understand the previous book, but today I was right about this truth, and suddenly it seemed like I had an epiphany." Zhang Chen touched his head.

Under that olive-green hat was also a bald head, and he was forced to shave his hair like the other men in the camp, this incident happened the day after he and Chen Youxin were reprimanded, which made them angry for a long time, but their arms couldn't twist their thighs, and there was water all around Dongluo Island, even if they wanted to, there was no way to swim across.

Chen Youxin looked at Zhang Chen and then at Huang Shi in puzzlement, he didn't know what the two of them were talking about, this feeling of not being able to interject made him very uncomfortable, so he opened his mouth and said, "Chief Huang, Mr. Zhang, what are you talking about the rain?" ”

Seeing that Chen Youxin was asking, Huang Shi replied with a smile, "Because I asked Zhang Chen and Meiling to be in charge of adult and basic education on this island, I gave them a book, which is the 'Simplified Version of the Truth of Nature' that Zhang Chen just mentioned. ”

"'What are 100,000 for?'" At this moment, not only Chen Youxin was surprised, but even Zhang Chen opened his mouth wide. As the old saying goes, there are three thousand avenues, or three thousand worlds and realms, and I feel that this avenue and the world realm are already endless, but this upper realm proposes a "one hundred thousand", which is .......

"Yes, there are almost 100,000 of them, including aerospace knowledge, astronomical knowledge, military science, natural science, animals and plants, the mysteries of human beings themselves, as well as physics and chemistry in life. In fact, there are more than 100,000 of these knowledge. ”

It turned out that Huangshi also wanted to ask a few college students to take the nature textbooks in the school to reform, but when he got those textbooks, he found that the nature class is now called "science" in elementary school, "nature class" in junior high school, and "biology" and "physiology and hygiene" in high school.

This is far from the nature class in Huangshi's impression, in fact, just like the political class, we used to call it "ideological politics", which taught you to recognize the essence of the world, but now it is called "ideological morality", and the central idea is to ask students to be "good people", and this real avenue is gone.

Of course, Huang Shi has been out of school for more than 20 years, the times are progressing, and the setting of these courses will naturally keep pace with the development of the times.

"100,000 for What" is a set of popular science books for teenagers edited and published by the Juvenile and Children's Publishing House in the early 60s of the 20th century. Over the past 50 years, this series of books has been published in 6 editions, with a cumulative circulation of more than 100 million copies, which can be said to be the scientific enlightenment reading of Yellowstone's youth.

But at that time, the family had no money, so he could only buy him a few books piecemeal, and it was these books and those "Pentagon Books", "Juvenile Science Illustrated", and "Mysteries" that lit up his dream of becoming a scientist since he was a child, but this dream did not come true in the end.

So in order to train a few scientists on Dongluo Island in the future, Huang Shi began to have a plan to pirate this set of books, and he specially went to Taobao to buy a set of "100,000 for What" edited by Han Qide, with a total of 18 volumes.

Then he called the two college students who were originally in Qi Ye's company, but he didn't know that the Lu Dao family was not available, so he had to find another student named Shen Mo and asked him to rewrite this set of books.

Because this is a new edition of the book in 2013, there are also various sections in the book that involve network communications, low-carbon environmental protection, genetic engineering, aerospace, new energy, new materials and other fields, because these things are too advanced in the book, and some words have to be modified to complete, so I worked silently for a month to complete a volume.