Posts

Showing posts from December 30, 2018

Carroll & Graf Publishers

Image
Carroll & Graf Publishers Status Defunct Founded 1982 (36 years ago)  ( 1982 ) Founder Kent Carroll Herman Graf Successor Perseus Books Group Country of origin United States Headquarters location New York City, New York Carroll & Graf Publishers was an American publishing company, based in New York City, New York, known for publishing a wide range of fiction and non-fiction by both new and established authors, as well as issuing reprints of previously hard-to-find works. [1] [2] Contents 1 History 2 Authors and editors 3 References 4 External links History Publisher Kent Carroll, the editorial director of Grove Press from 1975 to 1981, co-founded Carroll & Graf in 1982 with Herman Graf, who was Executive Vice President of Grove Press. Headquartered on West 17th Street in New York City, it offered a variety of fiction and non-fiction, including history, biography, current affairs, mysteries (including Bri...

大型強子對撞機

Image
坐标: 46°14′N 06°03′E  /  46.233°N 6.050°E  / 46.233; 6.050 大型強子對撞機 LHC 子實驗 ATLAS 超環面儀器 CMS 緊湊緲子線圈 LHC-b LHCb ALICE 大型離子對撞機實驗 TOTEM 全截面彈性散射偵測器 LHC 次級加速器 p and Pb 質子與鉛離子直線加速器 (未標記) 質子同步推進器 PS 質子同步加速器 SPS 超級質子同步加速器 從空中鳥瞰大型強子對撞機的地理環境,雖然結構大部分在法國境內,但是主要的建築則多在瑞士。 大型強子對撞機 ( 英语: Large Hadron Collider ,縮寫: LHC )是一座位於瑞士日內瓦近郊歐洲核子研究組織的對撞型粒子加速器,作為國際高能物理學研究之用。LHC已經建造完成,2008年9月10日開始試運轉,並且成功地維持了兩質子束在軌道中運行,成為世界上最大的粒子加速器設施。大型強子對撞機是一個國際合作計劃,由全球85國中的多個大學與研究機構,逾8,000位物理學家合作興建,經費一部份來自歐洲核子研究組織會員國提供的年度預算,以及參與實驗的研究機構所提撥的資金。 大型強子對撞機本預計於2008年10月21日開始進行低能量對撞實驗。但2008年9月19日,大型強子對撞機第三與第四段之間用來冷卻超導磁鐵的液態氦發生了嚴重的洩漏,據推測是由於聯接兩個超導磁鐵的接點接觸不良,在超導高電流的情況下融毀所造成的。依據歐洲核子研究組織的安全條例,必需將磁鐵升回到室溫後詳細檢查才能繼續運轉,這將需要三到四週的時間。要再冷卻回運作溫度,也是得經過三四週的時間,如此正好遇上預定的年度檢修時程,因此必須延遲開始運作的時間。 2009年11月23日,大型強子對撞機進行了在修復完成後的第一次試撞。 [1] 2015年4月5日,經過兩年的精心維護與升級,大型強子對撞機再度啟動,預計今年夏天將會進行13TeV質子質子碰撞實驗,探索未知領域,例如,尋找暗物質、分析希格斯機制、研究夸克-膠子等離子體等等 [2] 。 目录 1 設計 2 研究主題 3 重離子對撞機 4 ...

New American Library

Image
New American Library Parent company Berkley Books (Penguin Random House) Founded 1948 Founder Victor Weybright and Kurt Enoch Country of origin United States Headquarters location New York City, New York Imprints NAL Accent, Obsidian, Plume, Roc, Signet, Signet Eclipse, Signet Select Official website www.penguin.com The New American Library ( NAL ) is an American publisher based in New York, founded in 1948. Its initial focus was affordable paperback reprints of classics and scholarly works, as well as popular and pulp fiction but now publishes trade and hardcover titles. It is currently an imprint of Penguin Random House; it was announced in 2015 that the imprint would publish only nonfiction titles. Contents 1 History 1.1 20th century 1.2 Acquisitions and mergers 1.3 21st century 2 Series 3 Notable authors 4 Notable cover illustrators 5 Notes and references 6 Further reading 7 External links ...