RADIO CHOICE: The Periodic Table Monday to Friday, 3.45pm BBC RADIO 4Jenny Gilbert
The periodic table is a system that scientists use to organize and classify chemical elements. 元素周期表是科学家用来记录和分类化学元素的系统。 Originally, many scientists tried to sort the elements by properties. 最初,许多科学家试图按性质对元素进行分类。 One of the early models of the periodic...
which are the heaviest that occur naturally in the periodic table, they're very fragile… and the discovery was that if you just almost touched them with a single neutron, that's a nuclear particle, the uranium was like a drop of water, i...
periodic-table-on-show> developed by a number of local printmakers. The authoritative IUPAC version includes current values of atomic masses <www.iupac.org/reports/periodic_table>. A beautiful version is the “Photographic Periodic Table of the Elements” <periodictable.com> which displays photograp...
喜欢的读者可以挑选出一些经典作品来阅读。最近正在阅读简奥斯汀的小说《爱玛》Emma名列榜单第九位。选择《爱玛》还是《傲慢与偏见》来上榜确实很难选择。但我个人更偏爱《爱玛》一些,BBC的四集剧集Emma非常推荐。 下一期为大家推荐非小说类的100个伟大的作品列表,敬请期待。
Paul Parsons is a former editor of the BBC science and technology magazine Focus and managing editor of BBC Sky At Night magazine. He has been a science writer and journalist for more than 20 years, contributing to New Scientist, the Guardian, Daily Telegraph, Men’s Health, and National Ge...
1496 0 00:46 App 争议较大的气旋寿命王Katrina-Victor-Cindy全程云图 46 0 01:05 App 【Periodictable.ru】化学家的下午茶标配,金属镓勺 立即预约 友情提示:为了您的体验,点击作品信息、UP主个人空间、点赞、收藏、转发、相关推荐等位置会打开/下载Bilibili客户端。这些功能与账号相关,仅在APP内提供服务。
The Periodic Table Check them all outhere! November 2, 2020 — New lesson partnership with Calm Nearpod brings Calm into the classroom with 9 lessons that include guided meditations to help boost confidence, reduce stress and anxiety, and teach students the basics of mindfulness meditation for a...
element that occurs in both gray crystalline and brown noncrystalline forms. It is the second most abundant element in the Earth's crust and can be found only in silica and silicates. Silicon is used in glass, semiconductors, concrete, and ceramics.Atomic number14. SeePeriodic Table. ...
She has also worked in the BBC Science Development Team, and appeared on several podcasts and radio shows, including BBC Radio 4’s ‘Hacking the Unconscious’ and ‘Thought Cages’. This talk was recorded on 19 August 2021. 科学 科普 知识 科学科普 ...