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...
Related Reading:Neodymium Magnets in Electroacoustic Devices 1. Is the Strong Magnetic Field Harmful to Us? Most time not.A strong magnetic field does not harm the human body with cautious handling. According to British Pre-Standard No. 50166-1, there is no health risk to the human body in...
An experimental treatment for depression that triggers seizures with magnets significantly improved mental health in patients without some cognitive effects associated with electroconvulsive therapy (ECT), according to a clinical trial led by UT Southwestern Medical Center. A research team has gathered new...
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] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51...
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 ...
Wearing magnets has no physical effect on your blood or joints. The same goes for copper bracelets. In your body, copper helps make red blood cells and aids in forming the collagen in bones and connective tissue. But copper bracelets don't transfer copper to the body. And adding more of ...
Metal detectors can detect non-magnetic metals as well, likegold and silver. For practical purposes, the interaction between copper and magnets is limited. Its application is not ideal on a large scale. Titanium When compared to other ferromagnetic metals, titanium is weakly magnetic in the presen...
C.give some information about magnetsD.encourage readers to use magnets【考点】说明文;科普知识. 【答案】D;B;A;D;C 【解答】 【点评】 声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。 当前模式为游客模式,立即登录查看试卷全部内容及下载 发布:2024/5/15 8:0:8组卷:4引用:2难度:...
【3】根据上文提到And it is not easy for shopkeepers in the high streets, either对于店主来说也不容易,故选A他们不得不支付高额的租金。 【4】根据上文提到She’s talked about creating “magnets(磁石)” to attract people back to the centre.她提到创造磁石来吸引人们回来,故选B,但这不是唯一的需...
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...