Article on the subject of "diameter"
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How to Measure Pump Impeller Diameter
a pump impeller resembles a propeller and is the component that rotates quickly to drive fluid through the pump. they're commonly used in centrifugal pumps to move water for things like farming and city water plants, as well as many other...
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Top 5 dynamic drilling machines with good and quality set
5 samples of dynamic drilling machine with set accessories are the best products for wall drilling, iron drilling and steel drilling. let's find out what 5 outstanding power drill machines stand out.
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The new Diameter protocol is as easy to attack as SS7
network security researchers say the diameter protocol used on 4g (lte) network services and data transmission is also vulnerable to the previous ss7 ss7 standard of older standards like 3g, 2g and previous. there.
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How to Measure Pump Impeller Diameter
a pump impeller resembles a propeller and is the component that rotates quickly to drive fluid through the pump. they're commonly used in centrifugal pumps to move water for things like farming and city water plants, as well as many other...
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Close up of a giant water ball puncture with 2m diameter at 1,000 fps
the video captures a picture of a water ball with a diameter of 2m being punctured with a high-speed camera that surprised many people.
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Why are train wheels more like a cone than a regular circle?
the train wheels are not perfectly circular but are designed to resemble a cone (the larger diameter part of the cone wheel points inward, the smaller diameter points outward) to ensure that the train does not derailed and easily ran through the bend.
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The Constant Pi (π): History of the Discovery and Application in Mathematics of the Mysterious Number Pi
what is indian pi? this article will give you everything you need to know about pi in mathematics.
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History of discovery and application in mathematics of mysterious pi numbers
from about 4000 years ago, pi appeared in the works of the ancient mathematicians of greece, china, babylon and india. it is believed that pi was also used to build the egyptian pyramid.
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Gravity Anomaly in Antarctica: Extraterrestrial Super Object Revealed
'extraterrestrial attackers' may have carved a huge hole under the antarctic ice surface, up to 510 km in diameter.
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Top 5 dynamic drilling machines with good and quality set
5 samples of dynamic drilling machine with set accessories are the best products for wall drilling, iron drilling and steel drilling. let's find out what 5 outstanding power drill machines stand out.
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Detecting the second Moon of the Earth, the diameter is only about 3.5m
besides the moon we all know about, astronomers at the catalina sky survey recently discovered a second natural satellite orbiting the earth.
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What's interesting is what happens if the Moon is 400km from Earth?
according to the analysis of scientists, with that distance, the moon cycle will become faster than earth. meanwhile, the moon will grow in the west and dive in the east every day.
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What happens if meteorites fall into the ocean?
according to calculations by scientists, in 2036, a meteorite named apophis with a diameter of 270m may fall into the pacific ocean. so then, what will happen?
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Comet 26 km wide can collide with the Earth in 4479, erase all life
swift-tuttle comet with a diameter of 26 km can collide with the earth in 2,400 years, creating the worst genocide disaster on our planet.
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A meteorite is rushing towards Earth at speeds up to over 33,000 km / h
recently, nasa has announced a meteorite called 2020ch with a diameter of about 22-55m, is rushing towards earth at a speed of more than 33,000 km / h.
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A more than 4-kilometer asteroid is about to cross the Earth with the closest distance ever reached
on september 1, a giant asteroid named florence with an estimated diameter of 4.3 km will fly over earth at the closest distance.
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Discover a monster black hole 100,000 times bigger than the Sun, the second largest in the Milky Way
japanese astronomers discovered a supermassive black hole hidden in a cloud of suspended gas near the center of the milky way with a diameter of up to 1400 billion km and a mass of 100,000 times the sun.
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Mango trees are 1m high with 800 fruits in Japan
the most special mango tree in the world is only 1m high but has a canopy diameter of up to 10m and parked up to 800 fruits, making the most fruitful record in the region and the whole japan surprised many people.
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How big can the stars in the universe be?
while dwarf stars are only about as big as a planet, other supergiant stars may be 1,400 times larger than the sun. for example, super-giant vy canis majoris has a diameter of up to 2 billion km.
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How will a meteorite be found to crash into NASA Earth?
according to nasa, the situation of meteorites crashing into and destroying the earth will be rare, in a million years a meteor with a diameter of 1 mile rushes to earth. even so, they are always ready to handle if the worst situation occurs.
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Admire the unique photograph of the Moon and Earth taken from Mars
the image shows the exact position and size of the moon and earth relative to each other. the earth is about 30 times bigger than the moon from the earth's diameter.
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The mystery of the giant tape disk spinning between the river was finally deciphered
the giant tape has a diameter of more than 15 meters, almost perfectly symmetrical, rotating at a steady speed between the river near the omsk oblast region in russia, which has caused many people to debate for a long time, finally deciphered. .
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