Natural magnets were made into the first direction-finding compass by ancient Chinese people, which greatly improved a ship's ability to navigate over long distances. 22.一想到中国,人们脑海中闪现的第一件事便是丝绸。中国是丝绸的发源地,今天仍在生产一些世界上最好的丝绸。在中国,探索丝绸奥妙最好的...
Operators need to take care of the handling of magnets to avoid potential dangers as well. They should learn about the magnets they are going to deal with.For instance, take good command of magnetic properties such as the dimensions, shapes, and environment. Check such information in advance....
It has been used for its magnetic properties for a long time. It is a ferromagnetic metal with powerful features of magnetism, just like iron. This material can be used to create a range of soft and hard magnets. Cobalt-based magnets have a higher saturation point and can also be used ...
aarticleinfo articleinfo[translate] aIt was rejected by inspect yesterday as there are magnets on it. 尽管有磁铁对此,它被拒绝了昨天检查。[translate]
Scanners that can specifically measure fat are more useful here.Typically, doctors can use a DEXA scan, which relies on x-rays, to give an idea of where and how much body fat a person has. CT scanners (which also makes use of x-rays) and MRI scanners (which use magnets) can give ...
Magnets are at the heart of this. The “common mode choke”, for instance, is composed of two coils of conductor, each containing a magnet. The magnetic fields they produce “choke” the noise – the spurious electrical signals – that is generated by all this switching on and o...
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Date Magnets Dogs are great for making love connections. Forget Internet matchmaking -- a dog is a natural conversation starter. This especially helps ease people out of social isolation or shyness, Nadine Kaslow, PhD, professor ofpsychiatryand behavioral sciences at Emory University in Atlanta, tel...
I actually stumbled across the concepts while researchingnarcissistic abuseand discovered that empaths are magnets for narcissists. As you continue reading, you'll learn what being an empath means and the various types. Next, you can take one or more quizzes to know what type you are. I mad...
aPermanent magnets are placed on the inner periphery of the rotor core. Varying frequency starting is adopted in this motor, so there is no starting winding on the rotor, and a surface magnetic circuit structure is used. Considering the requirement of high power density and better dynamic ...