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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?
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Entropy is an important concept in thermodynamics, but it is also a difficult concept to understand. As my college physics teacher often said: There are (probably) only 4 or 5 people in this world who really understand entropy, and I don’t belong to them. Compared to other quanti
There are (probably) only 4 or 5 people in this world who truly understand entropy, and I don't belong to them
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Viruses can change the host's odor to attract mosquitoes: we know that mosquitoes (mosquitoes) are the deadliest animals in the world. Mosquitoes transmit diseases and are vectors of viruses and pathogens.
Could the virus make people more attracted to mosquitoes?
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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
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An international team of astrophysicists studied the emergence of ion holes in Earth's magnetotail and assessed their impact on space weather. They found that ion holes propagate obliquely toward the local magnetic field. The results of this study will contribute to a better unde
Scientists can predict space weather more accurately
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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
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"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
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Academician Wu Jianqi (first from right) guides scientific researchers in equipment testing in the microwave anechoic chamber of the 38th Institute of China Electronics Technology. Radar is known as "clairvoyance" and can detect and locate aircraft at long distances. "After the e
"Approach Academician" Wu Jianqi: Make invisible aircraft visible
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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"
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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
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On May 19, Fudan University virologist Jiang Shibo and other scholars published a short review "Disease of influenza virus and SARS-CoV-2 coinfection: Flurona or Flucovid?" in the Journal of Medical Viruses, analyzing influenza. -Characteristics of Omicron co-infection.
1+1>2: Can co-infection of influenza and COVID-19 worsen the patient’s condition?
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On June 28, 2012, biomedicine entered a new era. On this day, Science published a landmark paper online, introducing a new genome editing tool later referred to as CRISPR.
CRISPR 10th anniversary: Who cut out the thin leaves of life?
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When it comes to centipedes, many friends will feel scared at first. This thing is not big, but it is really scary. I have heard girls say before that they are most afraid of animals with many legs and legless animals. Centipedes are among them. The former, in fact, not only girl
Learn about centipedes in three minutes
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Metaverse, an "old word" from thirty years ago, suddenly became popular in the post-epidemic era and continues to appear in the public eye. The universe sounds very sci-fi. If you want to understand the concept of the metaverse, you really have to find inspiration from science fi
Guangdong Future Technology | Metaverse = real world mapping + virtual world interaction
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Will the question of human origins and evolution be rewritten? If you want to ask, among the many disciplines, which discipline’s knowledge will be turned upside down every five years? Well, paleoanthropology is definitely on the list. Due to the archaeological evidence that pale
Human origin or being rewritten? Fossils reveal that humans may have originated in Africa. Is it an ancestor of the Chinese?
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Reuters, Washington, March 31 (Reuters) - The international scientific team Telomere to Telomere Consortium published the first complete, gap-free human genome sequence, revealing for the first time highly identical segmental repeat genomic regions and their role in the human gen
What does it mean for scientists to publish the complete human genetic sequence for the first time?
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Site Latest News
[Source: Traditional Chinese Medicine Hospital] A warm breeze suddenly arrives, followed by a slight heat wave. On July 7, we will usher in the Xiaoshu solar term. After the slight summer heat, the temperature is one third of the day. Xiaoshu is around the time of the first fall,
You should pay attention to these points to maintain your health during the "Small Heat" and "Sauna Day"
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[Source: Otolaryngology and Head and Neck Surgery] Lao Lian, a middle-aged man from Jinzhong, had unilateral tinnitus, hearing loss, and ear discharge for several years. He recently came to the Otolaryngology and Head and Neck Surgery Department of the First Hospital of Shanxi Me
Tinnitus, otorrhea, poor hearing, diagnosed with fibrous dysplasia
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How to make sponge cake: Ingredients: 200g japonica rice flour, 110g glutinous rice flour, 60g powdered sugar, 25g lard, 120g water, 50g bean paste filling, 1g red yeast rice powder. Steps: 1. Mix japonica rice flour, glutinous rice flour, sugar powder, lard, and water, and keep
Gourmet Dessert 5 – How to Make Pancakes
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Qianjiang Evening News·Hourly News Reporter Zhang Ran Today (July 7) is Xiaoshu, the hottest time of the year is coming. Summer benefits are indispensable - herbal tea buckets have been set up at the live broadcast points of hourly shops, and they continue to invite everyone to d
"Never miss the whole summer", the hourly shop Goose Laogong herbal tea is open for delivery, with different flavors every day
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Expression means speaking. Chinese people can speak but cannot speak. In informal situations there are voices or noises everywhere, but in formal situations they are often silent. The root of the problem lies in the lack of formal expression training among Chinese people since ch
Shandong Dezhou Cross Century Youth Kindergarten: The expressiveness of children in Montessori classes
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A centenary of our party is a centenary of fulfilling its original mission, a centenary of laying the foundation and establishing a bright future, and a centenary of creating brilliance and opening up the future.
Huangshan City Party History Major Events "1982"
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