
Robert Griffin III - Wikipedia
Robert Lee Griffin III (born February 12, 1990), nicknamed RGIII or RG3, is an American former professional football quarterback who played in the National Football League (NFL) for eight seasons, most notably with the Washington Redskins.
Roentgenium - Wikipedia
Roentgenium (German: [ʁœntˈɡeːni̯ʊm] ⓘ) is a synthetic chemical element; it has symbol Rg and atomic number 111. It is extremely radioactive and can only be created in a laboratory.
𬬭(化学元素)_百度百科
𬬭是一种人工合成的放射性化学元素,它的化学符号是Rg,原子序数是111,属于过渡金属之一。 𬬭属于超重元素、超铀元素、超锕系元素。 现时所发现的一种同位素的半衰期约15毫秒,之后衰变成为鿏。
錀 - 维基百科,自由的百科全书
錀 lún (英語: Roentgenium),是一種 人工合成 的 化學元素,其 化學符號 为 Rg, 原子序數 为111。 錀是一種 放射性 極強的 超重元素 及 錒系後元素,不出現在自然界中,只能在實驗室內以 粒子加速器 少量合成。 所有錀 同位素 的 半衰期 都很短,非常不穩定,其最重也最長壽的已知同位素为錀-282,其 半衰期 约為130秒。 [13] 未經證實的同位素錀-286可能具有更長的半衰期,約為10.7分鐘。 [14] 目前科學家僅成功合成出极少量錀原子, 德國 達姆施塔特 重離子研究所 的 …
Robert Griffin III - Pro-Football-Reference.com
Checkout the latest stats for Robert Griffin III. Get info about his position, age, height, weight, college, draft, and more on Pro-football-reference.com.
What are RG111 Coaxial Cables? - everything RF
2023年1月17日 · RG111 Coaxial Cables are a type of cable that forms an essential component in many electronic and networking systems applications. They provide an excellent signal integrity and low signal loss, making them suitable for long-haul communication links.
Roentgenium | Rg (Element) - PubChem
Roentgenium is a chemical element with symbol Rg and atomic number 111. Classified as a transition metal, Roentgenium is a expected to be a solid at room temperature.
Roentgenium | Radioactive, Synthetic, Superheavy | Britannica
roentgenium (Rg), artificially produced transuranium element of atomic number 111. In 1994 scientists at the Institute for Heavy Ion Research (Gesellschaft für Schwerionenforschung [GSI]) in Darmstadt, Ger., formed atoms of element 111 when atoms of bismuth-209 were bombarded with atoms of nickel-62.
111 錀 Rg - 化学空间 Chem-Station
2020年5月1日 · 錀(钅仑)是一种人工合成放射性元素,它由德国达姆施塔特重离子研究所科学家用 64 Ni轰击 209 Bi得到,得名于德国物理学家「威廉·伦琴」。 1994年12月8日,德国达姆施塔特重离子研究所 (Gesellschaft für Schwerionenforschung, GSI)一个由Sigurd Hofmann领导的研究小组,利用重离子加速器加速 64 Ni轰击 209 Bi靶,检测到了111号元素的同位素 272 111,这是111号元素首次被成功合成。 在此之前,1986年,杜布纳联合核子研究所也进行了该实验,但 …
Roentgenium - Elements Database
Roentgenium (atomic number 111, symbol Rg) is a chemical element named after Noble Prize winner Wilhelm Roentgen who was the first to produce X-rays electromagnetic radiation. Isotopes and Predicted Properties. Little is known about Roentgenium, but it is predicted that its properties resemble that of other noble metals.