资讯
Chlorine, element No. 17 on the Periodic Table of Elements, has multiple applications. It is used to sterilize drinking water and to disinfect swimming pools, and it is used in the manufacturing ...
Chlorine is a common element in household cleaning and pesticide products. You’re probably most familiar with its use in pools to keep them free from bacteria and algae. It is naturally a gas ...
Fresh airstrikes rain down on a rebel-held neighborhood in east Aleppo, killing two people at a market where an alleged chlorine gas attack injured more than 100 people a day earlier, an activist ...
Smelly element No. 35, bromine, is a fairly abundant element but has a rare property: it is the only nonmetal to exist in liquid form at room temperature, and one of only two elements (the other ...
Chlorine, element 17 on the periodic table, is a so-called dual-use chemical with a number of industrial uses. Fatal in high concentrations and harmful in lower doses, ...
As clouds of chlorine drifted towards the Allies, panic set in. It was no good diving into a trench, as the dense chlorine was heavier than air and poured in. Of the 15,000 or more casualties ...
THE very important letter of Dr. Aston in NATURE of December 18, 1919, gives much evidence in favour of a theory of the structure and composition of the nuclei of complex atoms as published by me ...
The Separation of the Element Chlorine into Normal Chlorine and Meta-Chlorine, and the Positive Electron F. W. ASTON 1 Nature volume 105 , page 231 ( 1920 ) Cite this article ...
Ever gone near the pool at a gym or recreation area, and sniffed that distinctive tang of chlorine, knowing that it means everything is clean? Think again. The smell of chlorine actually becomes more ...
Predictive power. Gallium. Mendeleev left blank spaces in his original periodic table so that he could properly line up the known elements. Gallium, element 31, was his first gap to be filled, in ...
Intel’s Ghost Canyon NUC and its Compute Element card may be tiny, but they represent some big changes to small-form-factor PCs. Here are the key questions and facts about this new generation.
The Element That Could Kill Billions But Save Millions—The Shocking Facts Revealed! More for You. Food Network star Anne Burrell dies at age 55.
当前正在显示可能无法访问的结果。
隐藏无法访问的结果