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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
This listing is only for the brave, so do your best and witness the magic of these images. These photos from around the world will fascinate you as you see how the spinning planet we live on shocks us.
The white heart, the houses covered with volcanic ash, and the long legs of the owl, there is always one picture that will shock you
06/05
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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
"Suddenly the warm wind arrives, following the coming of Little Heat." On July 7, we ushered in the eleventh solar term of the twenty-four solar terms - Little Heat. "The Collection of Seventy-Two Hours of the Moon Order" says, "June Festival...summer, heat, is divided into big a
"Small Heat" is coming, midsummer has begun, and health maintenance needs to pass six levels
06/05
1543
Polypropylene is one of the most widely used types of general plastics. It has the advantages of low density, good rigidity, resistance to flexing, chemical corrosion, and good insulation. Its shortcomings are poor low-temperature impact performance, easy aging, and large molding
Is polypropylene shrinkage difficult to control? What are the influencing factors? "Attached is a table of shrinkage rates of common materials"
06/05
1063
In Chongming, the mouth of the Yangtze River, there is a group of people responsible for a small but important part of this large project - fishing management. July 4th, sunny to cloudy, southeasterly wind of level 4-5 in the Yangtze River waters.
They shouted in the Yangtze River: This matter cannot be done
06/05
1613
This male lion was really embarrassed today. Its head was accidentally stuck in a bucket. It was so embarrassed that it was able to dig out a room and three rooms from the ground. The most important thing is that there are other lions watching next to it. Fun, in order to get rid
Three male lions were fighting for food, but unexpectedly they plunged into a plastic bucket, lost their way and ran around, losing face.
06/05
1978
On July 6, InnoCare announced that its independently developed new drug application (IND) for a BCL2 inhibitor was accepted by the National Medical Products Administration (NMPA).
InnoCare’s BCL2 inhibitor submits clinical application
06/05
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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
1665
We are no strangers to shooting stars. After all, making a wish on a shooting star is a romance recognized all over the world, regardless of national boundaries and cultures. However, meteors generally occur at night. Have you ever seen a meteor phenomenon occur in broad daylight
A huge explosion was heard in the sky in the United States, and a large fireball flew past at a high speed of 24,587 meters per second.
06/04
1853
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[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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A bus-sized planet will pass close to Earth today, Thursday, July 7, passing within just 56,000 miles (90,000 kilometers), or 23 percent of the average distance between Earth and the moon. The asteroid, called 2022 NF, is expected to pass safely by our planet, according to calcul
Scientists detect a bus-sized planet that will approach Earth tonight
06/07
1270
In the eyes of many people, "alien" and "alien civilization" are synonymous with advanced civilization, and their civilization is much higher than human civilization. In many science fiction novels and movies, this point is particularly prominent. Aliens always appear to be omnip
Fears that aliens visiting Earth will wipe out human civilization may be unfounded
06/07
1641
As we all know, since humans have known about the universe, they have always wanted to explore its mysteries. At present, the scientific community generally believes that the earth will not be the only oasis in the universe. After all, the vastness of the universe is beyond our i
Astronaut encounters aliens in space, tells the story of the origin of intelligent life and the cause of the universe, shocking the world
06/07
1206
In the movie, the dungeon lord Gruishka is waiting for a major makeover in order to capture Alita, with his head and spine hanging in the air and twisting around.
He is gone, "Peter 2.0" lives forever! Cyborg Evolution Design Guide, are you interested?
06/07
1197
According to relevant records, very "weird" creatures actually appeared in Japan as early as the 1960s and 1970s. At that time, this strange-looking species had a "protruding mouth, hairless body, wrinkled skin, like a dog and a monkey, and walked with a tremble." On the one hand
Mysterious hairless animal with long face discovered in Japan! Experts warn: Don’t touch it, what exactly is it and why?
06/07
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In 1945, Japan's defeat was certain, but it still resisted, causing a large number of casualties to Allied soldiers. At that time, the U.S. military had already formulated operation plans for the "Corona" landing in Kyushu, Japan, and the "Olympic" operation plan for the Kanto la
A direct look at the real scene after the atomic bomb explosion in Japan. It is tragic and shocking. The body in Figure 9 evaporates instantly.
06/07
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The Shenzhou 14 astronauts will give scientific lectures in the "Wentian" experimental module of the China Space Station, which is scheduled to be launched this month. Left to right: Cai Xuzhe (operator), Chen Dong (commander) and Liu Yang (operator), crew members of China's Shen
Shenzhou 14 astronauts will give scientific lectures in the "Wentian" experimental module of the China Space Station
06/07
1711
Currently, there are 15 domestic suppliers providing materials, components and assembly services for the A220, and every A220 aircraft has parts made in China.
Airbus A220 has 15 Chinese suppliers and domestic airworthiness certification is in progress
06/07
1530
He was a soldier. In December 2000, he bid farewell to his military career, returned to Linhe, and became a new recruit on the tax front.
[Strive forward on a new journey and build a new era of meritorious service] Wu Peng: a tax blue and a sincere heart
06/07
1981
The 47-ton K9 has a range of over 40 kilometers using conventional 155 ammunition and it can move at speeds of up to 67 kilometers per hour. A three-round burst can be achieved in less than 15 seconds, with a maximum rate of fire of 6 to 8 rounds per minute for 3 minutes.
Why is the Korean-made K9 self-propelled howitzer so popular?
06/07
1868
Taurus Taurus people are very low-key, sharp and witty in speech, thoughtful in everything, and will not tell other people's secrets easily. They act according to the rules. Sometimes they are too worried and take everything into consideration, which makes them thankless.
Stay up for another 7 hours, the four zodiac signs will be full of confidence in the future, live a happy life, and have many happy events
06/07
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