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[Plumbing Valve Network News] Valve corrosion is one of the main reasons for valve failure. There are several forms or causes of corrosion, which can be roughly divided into six forms of corrosion. Corrosion is a natural wasteful way of drawing metals into their ores.
How are hotel valves corroded?
06/05
1747
Inside a US hospital (data map) Overseas Network, July 7. According to a report by NBC New York on the 5th, a new study from Yale University showed that a cancer patient in Connecticut, USA, was infected with the new coronavirus for 471 days. During this time, the virus mutated t
A patient in the United States was infected with COVID-19 for 471 days, and the virus mutated three times in the body
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Cockroaches are commonly known as Xiaoqiang, and I believe everyone is familiar with them. Cockroaches are one of the oldest insects on earth, living at the same time as dinosaurs and other ancient creatures. It is even more than 100 million years earlier than the birth of the fi
Should you step on a cockroach if you see one at home?
06/06
1039
01: The largest bird sculpture in the world is located in the southwestern state of India, Kerala. It is 61 meters long, 45.72 meters wide and 21.3 meters high, and is decorated with intricate details.
28 Miracles of Humanity and Nature That Are So Amazing and Depressing
06/06
1984
What I find fascinating is how the proteins themselves actually become molecular machines, much like the kinesin GIF above or the ribosome below where some of the proteins assemble into biological machines.
What are some examples of the strangest and strangest proteins found in nature?
06/06
1053
Mount Fuji is not as "immovable" as it appears on the surface. It seems that a force is rapidly building up inside! Some experts believe that Mount Fuji may erupt at any time; other experts disagree, believing that people are over-interpreting the recent anomalies in Mount Fuji!
Is Mount Fuji in Japan safe? Chinese satellite unexpectedly discovered that the snow area on the top of the mountain has decreased by 61% in 4 years
06/05
1749
No matter from which angle you look at it, Peng Yongzhen is not one of those who wins at the starting line. This academician of the Chinese Academy of Engineering and professor of Beijing University of Technology cut wood in the mountains when he was young, and did not enter univ
Academician Peng Yongzhen: Don’t let “late start” become an excuse
06/05
1510
It has long been thought that ancient humans moved out of Africa from primarily relatively affluent woodlands along the Mediterranean coast (1, 2). However, a recent work found that this is not the whole picture (3).
Nature | New research finds the hidden "story" of humans' "out of Africa"
06/05
1647
The current trend of bioweaponization of the new coronavirus also requires us to do a good job in the initial stage, and China has long been at the forefront of the world in the application of information technology, so as long as we unify our thinking, we will definitely be able
Zhang Zhimin: The latest epidemic strain has arrived in Xi'an, only by correct understanding and preparedness can we deal with it calmly
06/05
1781
Ruben Tommasi and other researchers from Entasis Therapeutics in the United States used new rational design methods to simultaneously optimize the biochemical efficacy and membrane permeability of the lead molecule, and successfully obtained a compound that can effectively inhibi
Nature | Rationally design new types of antibiotics to effectively inhibit drug-resistant bacteria
06/05
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The proposal of dual carbon targets has not only made new energy industries such as electric vehicles and hydrogen fuel vehicles soar, but also provided scientists with a research topic, that is, how to turn carbon dioxide into waste through new technologies to achieve carbon red
New applications for solar energy! Michigan professor proposes new process to use CO2 and water to prepare chemical fuels to achieve carbon reduction goals
06/07
1010
This strange, fluid-like electronic behavior could be used in the next generation of low-power electronics, potentially making them more efficient. Although they are discrete particles, water molecules flow collectively as a liquid, creating streams, waves, eddies, and other clas
Scientists observe for the first time 'electron vortices' that could help design more efficient electronics
06/07
1885
In the classic Korean drama "Blue Life and Death", there is this sentence: "In my next life, I want to be a tree, so that I can always stay in one place and never leave." From ancient times to the present, trees have always been "rooted in the earth" "The image of "appeared", and
Did you know that trees can walk?
06/07
1595
Close your eyes and imagine that you eat some purple grapes and then your whole body turns purple. Isn't this scary? Of course, such bizarre things don't happen to humans. But Melissa Abramovitz told me that this is exactly what happens in sea caries.
How do sea slugs change color?
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How cold is space, and does it drop to absolute zero? What would happen if you fell in without a spacesuit? While science fiction movies would have us believe that space is very cold — even very cold — space itself is not entirely cold. In fact, it actually has no temperature at
How cold is space? The physics behind the temperature of the universe
06/07
1950
[CNMO News] Weight loss has always been a hot topic among people. Some people eat too much and don’t gain weight, while some people gain weight even if they drink water. Therefore, losing weight also troubles many people. They have tried various methods but still have no effect.
It may be possible to eat dry without gaining weight. German scientists discovered signaling molecules that promote fat burning
06/07
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Back then, Zhong Zhentao had a marriage with Zhang Xiaohui. But in the end, the two broke up, and Zhong Zhentao not only had to live alone with his two children. He also incurred a debt for this. But I didn’t expect to meet a good wife after remarrying with children. Not only did
Zhong Zhentao has one son and three daughters. He is extremely lucky to find a wife who is willing to pay off his debts.
06/07
1392
Tang Zhaoling Cemetery provides a variety of burial services to meet the diverse needs of customers. Each park can provide traditional tomb burials, tree burials, wall burials, cave burials, flower bed burials and other methods according to location and function. The recommended
"Tang Zhaoling Cemetery" Ziwei Garden: a blessed place integrating kindness, auspiciousness, and fortune.
06/07
1028
In "The Power of Words", teachers Ding Ding and Zeng Ming have done their best in all their courses and sharing, making a course to the extreme and a sharing to perfection, so that all of us who study will have an audio-visual feast.
Pay - gain the value of life
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1699
As one of the richest manga artists, Kazuki Takahashi is going to draw comics again. Kazuki Takahashi, who drew "Yu-Gi-Oh!", is going to draw comics again, this time drawing Iron Man and Spider-Man.
Kazuki Takahashi, who drew "Yu-Gi-Oh!" is going out again, this time drawing Iron Man and Spider-Man
06/07
1537
Do you know who the author "Takahashi Kazuki"'s favorite character is in the manga "Yu-Gi-Oh"?
As Takahashi Kazuki’s favorite character, Jonouchi is not only lucky, but also has will and force value.
06/07
1607
(October 14th - October 20th) The big two-dimensional event that happened this week is "Demon Slayer: Kimetsu no Yaiba" the theatrical version will be released in 2020. "Demon Slayer: Kimetsu no Yaiba the theatrical version Mugen Train" is expected to be released in 2020 and is s
5 light novels decided to be animated, most of them are reincarnations in different worlds | Anime major events
06/07
1985