Representing points in 3d | Multivariable calculus | Khan Academy

Name: Representing points in 3d | Multivariable calculus | Khan Academy
Uploaded: 2024-05-03T19:37:04+08:00
Description: Representing points in 3d | Multivariable calculus | Khan Academy

Category：science

2024-05-03

Category Latest News

Recently, research in "Developmental Cells" revealed a key signaling molecule that can activate hair growth, providing a therapeutic target for the treatment of androgenetic alopecia, namely: the "SCUBE3" molecule. - DayDayNews
In addition to the electric vehicles, 5G communications, and rail transit that we are in daily contact with, silicon carbide wafers have broad application prospects in key fields such as national defense and aerospace. Due to their irreplaceable advantages, they are regarded as t - DayDayNews
Worlds, full of wonders. In 1970, an old woman named Yu Yuzhen picked up a strange butterfly on the way back to her parents' home. She gave the butterfly to her brother. Incredibly, three years later, the butterfly was sold To 1.27 million! It's really a joy that comes from heave - DayDayNews
If a magnitude 12 earthquake occurs in the United States, what will happen to the United States? If they ask China for help, are you willing to donate? People joke: Don’t be afraid when an earthquake comes, fear is useless. You don’t need to run away from a big earthquake, and yo - DayDayNews
The oxygen content of the air is only about 40% of that in the plains, and the annual average temperature is below 0 degrees Celsius. Looking around, you can see the boundless plateau alpine desert grassland. This is the Qiangtang National Nature Reserve, known as the "forbidden - DayDayNews
A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus. - DayDayNews
Shape memory polymers have broad application prospects in biomedical and mechanical engineering. However, most shape memory polymer programming processes require heating, such as water baths and oil baths. However, this environmental indirect heating method has limited heating ra - DayDayNews
Amorphous calcium carbonate (ACC) calcium supplement developed by Israeli biotech company Amorphical was tested in space and results show that it can improve muscle performance in zero gravity. , strengthen and build bones, provide body functions, and enhance immunity. - DayDayNews
In mid-to-late June, a professional monitoring found that Chinese horseshoe crabs were found all over the coastal tidal flats of the Hepu Dugong National Nature Reserve in Guangxi. The maximum density per unit quadrat was as high as 53.1 birds/100 square meters, ranking first in - DayDayNews
There are no identical creatures on the earth, and there are no identical individuals. Even identical twins will have such differences. However, scientists have concluded that there is only one ancestor of these various creatures living on the earth. Then the creatures on the ear - DayDayNews

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