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中国地下700米,有了个全球第一!
Huan Qiu Wang Zi Xun· 2025-08-26 02:57
△位于水池内(尚未灌水)的中心探测器(外部图) 来源:央视新闻微信公众号 今天(8月26日),在广东江门地下700米深处,我国科学家十年磨一剑建设的江门中微子实验大科学装 置开始正式运行了,要捕捉宇宙中的幽灵粒子——中微子。该实验成为国际上首个运行的超大规模和超 高精度中微子专用大科学装置。 △中心探测器内部的有机玻璃球及光电倍增管 江门中微子实验探测器位于广东省江门市附近的地下700米处,可以探测53公里外台山和阳江核电站产 生的中微子,并以前所未有的精度测量它们的能谱。 本文来源:央视新闻微信公众号 中微子是什么?究竟如何探测它? 总台央视记者/帅俊全 褚尔嘉 高博远 中微子可谓是回溯宇宙过往的时间胶囊,也是探索宇宙未来的一把钥匙。捕捉中微子极其困难,它几乎 不与任何物质发生反应,瞬间就有上亿中微子穿透人体,但是根本无法察觉。而捕捉中微子的关键就 是:光电倍增管。 光电倍增管,也被科学家称作黄金瞳,它能看到中微子击中闪烁体时发出的微弱荧光,这亮度只是手机 屏幕亮度的百亿分之一。 藏在玻璃内部的金属薄膜厚度只有几十纳米,曾是国外严密封锁的核心技术,中国科学家自己摸索,通 过千万次的试验,才终于成功打破这一垄 ...
“在中国,为中国”:一位追“光”者的二十三年行思录——访滨松固体事业部亚洲区销售经理倉田正樹
仪器信息网· 2025-05-16 07:36
Core Viewpoint - Hamamatsu Photonics has successfully established a deep localization strategy in China, focusing on technological innovation and customer trust to contribute to the development of the Chinese medical industry [2][4][19]. Group 1: Company Background and Market Entry - Hamamatsu's journey in China began in the 1980s, with the establishment of Beijing Hamamatsu Photon Technology Co., Ltd. in 1988, marking its first step into the Chinese market [4][6]. - The establishment of Hamamatsu Photonics Trading (China) Co., Ltd. in 2011 represented a new phase in the company's strategy in China [4]. Group 2: Localization Strategy - The company has adopted a "In China, For China" localization strategy, which includes establishing branches in major cities and setting up laboratories to meet local demands [6]. - Hamamatsu employs a localized management model, with Chinese nationals in leadership roles, allowing for better understanding and responsiveness to local market needs [6][19]. Group 3: Product Development and Quality Management - The company has developed a production line capable of producing 400,000 photomultiplier tubes annually, with sales growing from 180 million yuan to approaching 2 billion yuan [6]. - Hamamatsu emphasizes quality management through a comprehensive ISO quality management system and a culture that prioritizes product quality as a life-critical aspect [13][15]. Group 4: Key Collaborations and Innovations - A significant milestone was the collaboration with Neusoft in 1997 to develop the first domestically produced CT scanner, the CT-C2000, ending China's reliance on imported CT technology [7][10]. - The company has continuously innovated, such as using new ceramic scintillator technology to meet advanced performance requirements while addressing environmental concerns [10]. Group 5: Future Outlook - The company sees significant growth potential in the medical diagnostics market, driven by increasing health awareness among the Chinese population [16]. - Hamamatsu is also exploring opportunities in intelligent transportation, particularly in the fields of autonomous driving and electric vehicles, leveraging its sensor technology [17][18].