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全国先进工作者丨赵雪:“身上装备的重量,远不及肩头的责任重”
观察细致入微,破解实验难题 核与辐射安全是生态文明建设的重要领域,也是国家安全的重要组成部分。重庆地处三峡库区腹心地带,是长江上游生态屏障的最后一道关口和核与辐射安 全的重要阵地。 同事们都说,赵雪荣获全国先进工作者称号,实至名归。实验室里,她解题触类旁通,方法"先进";业务钻研中,她精益求精,态度"先进"。 从走出校园扎进重庆市辐射环境监督管理站,到如今挑起分析室主任的担子,15年间,赵雪在辐射监测岗位上扎根生长,把青涩熬成笃定,用专业淬炼担 当。 赵雪在谱仪室与同事进行高纯锗伽马谱图解析讨论。受访者供图 某日,赵雪路过美甲店,橱窗内的美甲让她灵光一闪:美甲师使用的抛光条,不正是比砂纸更理想的工具吗? "后来的实验证明,用抛光条操作非常便捷,效果极佳。"赵雪说。 在同事们眼中,正是这份对工作的热爱和对生活细致入微的观察,让赵雪的实验方法别具一格、实验技能日益精进。 辐射环境监测是确保核与辐射安全的核心和基础。在各类技能"比武"中,常常会考查伽马核素识别。赵雪解释道:"考官会设置含多种干扰核素的样品,去 除干扰是解题关键,物理测量是主流解题方式。但因化学专业出身,我尝试用化学手段复测特定核素。当物理与化学测量 ...
中国石油长庆油田煤岩气钻完井技术迭代破局
Jing Ji Wang· 2025-07-10 11:05
Group 1 - The success rate of horizontal drilling has reached 85.5%, with an average drilling cycle of 7.4 days, a significant improvement compared to three years ago [1] - The Longqing Oilfield has developed a coalbed methane drilling and completion technology 2.0 system, achieving a maximum horizontal section of 2500 meters and reducing the average drilling cycle by 45% compared to traditional methods [1] - The introduction of domestic drilling equipment has reduced costs and improved stability, allowing for continuous operation for 280 hours and decreasing the sliding footage to below 1% [1] Group 2 - Longqing Oilfield has developed a low-cost anti-collapse drilling fluid system that extends the coal seam collapse cycle to 27 days, effectively stabilizing the wellbore during drilling [2] - The new drilling fluid has a reduced density from 1.8 g/mL to 1.4 g/mL and a viscosity decrease from 120 seconds to 70 seconds, cutting costs by half [2] - A systematic management innovation approach has been implemented, including a collaborative innovation mechanism and a weekly technical meeting system to address on-site technical issues within 48 hours [2] Group 3 - Longqing Oilfield is accelerating the update of coalbed methane drilling and completion technology to 3.0, focusing on breakthroughs in 6.5-inch small borehole technology and new drilling fluid systems [3] - The goal is to establish a "low-cost + high-performance" technology route to further support the economic development of deep coalbed methane in China [3]
俄公布国家航天项目计划
Huan Qiu Wang Zi Xun· 2025-06-29 23:31
Group 1 - The core viewpoint of the article is that the Russian Academy of Sciences has announced new national projects in the field of space exploration, with funding to begin this year [1][4][6] - The projects aim to maintain Russia's position as one of the top three space powers globally, focusing on areas such as astronomy, planetary research, and biomedical projects [4][7] - Significant projects include the deployment of the world's first 10-meter cooled telescope for terahertz radiation observation and the launch of various space telescopes for studying cosmic phenomena [4][5][6] Group 2 - The Russian space program includes comprehensive missions to Venus, Mars, and the Moon, with specific goals such as searching for signs of life and analyzing lunar soil [5][6] - The funding for lunar exploration will begin this year, with estimates suggesting over 1 trillion rubles will be allocated in the next three years and approximately 4.5 trillion rubles by 2036 [6][7] - The new national projects are currently in the final approval stage by the government, with expectations for rapid implementation following presidential approval [7][8]
2025年放疗设备行业词条报告
Tou Bao Yan Jiu Yuan· 2025-06-10 12:21
年 放疗设备行业词条报告 Copyright © 2025 头豹 / / / 放疗设备:打破海外垄断,国产创新开启肿瘤治疗新时代 头豹词条 报告系列 吕佳睿 · 头豹分析师 2025-05-30 未经平台授权,禁止转载 行业分类: 摘要 放疗设备行业利用高能射线治疗癌症,技术含量高且更新换代快。随着人口老龄化和癌症发病率上升,市场需求量大,政策环境良好。国内外企业竞争激烈,国产设备逐步 突破。中国通过财政贴息贷款、设备配置规划及国产优先采购政策推动行业发展,市场规模持续扩大。未来,政策规划与市场需求共振、人口老龄化与医保支付体系完善将 推动放疗设备市场加速发展,迎来新一轮机遇。 放疗(放射治疗)是利用高能射线(如X射线、γ射线、质子或重离子束)精准照射肿瘤组织,破坏癌细胞DNA从而抑制其增殖的癌症治疗手 段,与手术、化疗并列为肿瘤三大核心疗法。 放疗设备是实施放疗的专用医疗装置,通过产生、控制和定向释放放射线,确保辐射剂量集中于病灶区域,同时最大限度保护周围正常组 织,其核心作用在于提升肿瘤治疗的精准性、安全性和疗效,涵盖从传统直线加速器到尖端质子治疗系统等多种技术类型。 不同性质的放射线在物理特性、生物学效 ...
科技发展丰富帮扶场景,精准公益诠释“数爱无疆”
Huan Qiu Wang Zi Xun· 2025-05-28 09:54
Group 1 - The core idea of the article revolves around the innovative use of 40 Hz gamma audio to potentially improve the brain condition of Alzheimer's patients, highlighting the intersection of technology and healthcare [3][4] - Tencent Music has launched a public welfare initiative titled "Hearing the Echoes of Memory," which utilizes 40 Hz gamma audio processing technology to support the approximately 10 million elderly Alzheimer's patients in China [3] - The initiative includes a memory training mode in the 全民K歌 app, allowing elderly users to recall and sing lyrics, thereby engaging their memory and attracting significant attention from families of patients [3] Group 2 - The rapid advancement of technology is enabling more precise and targeted support for various underserved groups, as seen in the case of Huawei's HarmonyOS NEXT, which introduces AI voice restoration to assist individuals with speech disabilities [4][5] - The "Yuhua Action" public welfare team, established in 2011, has set up around 700 service points across China, providing meals to an average of 150,000 people daily, benefiting a total of 200 million individuals [4] - The "Smart Yuhua" system, developed in 2020, enhances elder care by recording health and living conditions, facilitating greater community involvement in elder care initiatives [4][5]
当科学遇见音符:40赫兹声波叩响记忆之门
Zhong Guo Xin Wen Wang· 2025-05-09 10:17
中新网北京5月9日电(记者 左宇坤)如果记忆如同橡皮擦下的字迹,还有什么能留住消失的过去?如果有 一个恢复记忆的机会,你想听他再吹一次笛子,还是想和她再唱一首歌? 阿尔茨海默症,被称为"无情的记忆杀手",会导致记忆力和其他认知能力的进行性下降。面对这一特殊 群体,音乐被认为可以带给他们积极的影响。 2024年11月起,中国网络社会组织联合会携手中国互联网发展基金会、中国新闻网,由中国互联网发展 基金会中国正能量网络传播专项基金资助支持,组织开展"数爱无疆"数字公益故事征集展播活动,最终 遴选出50个具有代表性的数字公益故事,腾讯音乐"听见·记忆的回响"40赫兹伽马音乐疗愈公益企划入 选。 40赫兹的力量 忘了自己在哪里、要干什么,没有了时间空间的定向能力……当前,中国的阿尔茨海默病患者约千万。 世界卫生组织数据显示,全球每3秒钟就有1例痴呆患者产生。 阻止这快得让人揪心的数字,民众的认识、医学的干预以及全社会的协作都是亟待解决的问题。 40赫兹,这个肉眼不可见的低频振动,正从冷冰冰的实验室参数转化为温暖的艺术表达。 随着对国内外最新医学研究的关注,腾讯音乐了解到使用40赫兹伽马音频,有机会改善阿尔兹海默病患 ...
研发攻关,从荆棘中踏出一条路
Huan Qiu Wang Zi Xun· 2025-04-15 04:05
我刚加入公司时,航天振邦就已是国内涉足航天航空零部件等制造领域的先行者之一,但当时的发展环 境与如今相比,有着天壤之别。那时候,我们面临着技术封锁、设备落后等诸多难题,每前进一步都异 常艰难,但我们凭借着骨子里的那股韧劲,硬是从荆棘中踏出了一条路。 为了掌握先进的生产加工工艺,我们一头扎进技术研发中。就拿图纸3D设计和数控编程这两项核心能 力来说,团队成员夜以继日守在电脑前,反复试验、优化。我们对零部件加工工艺、技术参数、精度要 求等进行数控编程,通过程序对精密机床进行精准控制,并经过加工、测量、组装等工序,最终形成伽 马刀、质子治疗中心产品,使其成为市场上"人无我有"的拳头产品。 技术创新从来不是坦途。在研发高硬度钨合金加工技术时,过程同样充满艰辛。实验一次次失败,材料 浪费了一批又一批,资金压力也越来越大。但我们坚信,只要坚持就能成功。团队成员不断调整工艺参 数,尝试新的加工方法,终于实现突破。相关技术稳定应用于伽马刀刀片加工制作,为公司开拓了新的 业务领域。 来源:光明网-《光明日报》 【一线讲述】 研发攻关,从荆棘中踏出一条路 讲述人:河北航天振邦精密机械有限公司技术工程师 智慧礼 在航天振邦数控加工 ...