Huan Qiu Wang Zi Xun

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全球首个!制冷材料领域有重要发现
Huan Qiu Wang Zi Xun· 2025-08-22 01:39
Core Findings - A significant discovery in the field of cooling materials has been made by researchers from the Institute of Metal Research, Chinese Academy of Sciences, who identified a new cooling material called potassium hexafluorophosphate [1] - This material is the only solid-state phase change cooling material that can operate effectively across the entire temperature range from room temperature to near absolute zero [1] Research Details - The researchers observed a "full temperature range pressure card effect" in potassium hexafluorophosphate for the first time [1] - Experiments demonstrated that by applying pressure, this material can continuously achieve cooling from room temperature (approximately 25°C) to liquid nitrogen (-196°C), liquid hydrogen (-253°C), and even liquid helium (-269°C) [1] Future Implications - This discovery opens new avenues for the development of a new generation of efficient and environmentally friendly all-solid-state cooling technologies [1] - There is potential for this research to revolutionize the design concepts of refrigeration devices such as refrigerators [1]
充场工作室成黑产温床:“日薪300,轻松注册APP”背后的惊人秘密
Huan Qiu Wang Zi Xun· 2025-08-22 00:37
Core Viewpoint - The emergence of "charging studios" has led to the illegal trade of real-name online accounts, posing significant risks to both individuals and online platforms [1][2]. Group 1: Charging Studios and Their Operations - Charging studios recruit numerous part-time workers to complete tasks like account registration and app downloads, thereby helping online platforms boost their user data and earn promotional commissions [1]. - The operation process involves enticing advertisements for part-time jobs, collecting personal information from workers, and using that information to register accounts for illegal resale [3]. Group 2: Impact on Individuals - Part-time workers, initially seeking easy income, unknowingly become sellers of their personal information, which can lead to severe disruptions in their lives and potential legal risks [4]. Group 3: Consequences for Online Platforms - The sale of numerous real-name accounts undermines user trust, which is essential for the survival and growth of online platforms. Users may question the platform's security and management capabilities, leading to potential user attrition [5]. - If platforms knowingly utilize these problematic accounts, they may face legal repercussions, shifting their status from victim to participant in criminal activities [5]. Group 4: Broader Societal Implications - The illegal trade of real-name accounts has become a significant threat to social order, facilitating various scams and fraudulent activities [6]. - Criminals exploit these accounts to manipulate e-commerce platforms, creating false product popularity through fake reviews and sales [6]. - The lack of effective user information protection by platforms exacerbates the issue, as the current verification methods are insufficient to ensure the authenticity of registered accounts [8].
港媒:中国与中东“太空丝路”是天作之合
Huan Qiu Wang Zi Xun· 2025-08-21 23:07
Core Viewpoint - The article discusses the emerging partnership between China and Arab countries in space exploration, likening it to the historical Silk Road, emphasizing mutual benefits and technological cooperation without conditions [1][2]. Group 1: Economic Diversification and National Image - Arab countries, particularly in the Gulf region, are investing billions of dollars in space exploration as a means to diversify their economies and reshape their national images [1]. - Historically reliant on the U.S. for space exploration, Arab nations are now seeking collaboration with China due to deteriorating relations with the U.S. over humanitarian issues [1]. Group 2: Technological Cooperation - China offers advanced technology to Arab countries without any preconditions, contrasting with the U.S. approach, which has restricted NASA's cooperation with China [2]. - The collaboration includes projects like the joint development of the Egypt-2 satellite, where Egyptian scientists participated in all stages of assembly and testing, showcasing a level of technology transfer not seen with Western partners [2]. Group 3: Competitive Landscape - China is positioned as a significant competitor to the U.S. in the space sector, having made substantial advancements in certain areas, despite still lagging in others [2]. - The relationship between the U.S. and Arab nations is under strain, making China a viable alternative for space collaboration, which allows China to access lucrative Arab markets and sovereign wealth funds [2]. Group 4: Future of Cooperation - The article suggests that outdated Cold War mentalities cannot indefinitely hinder China-Arab space cooperation, advocating for a collective approach to space exploration rather than competition [3]. - The achievements of China and Arab nations in space will demonstrate that humanity can progress together without falling into another space race [3].
港媒:对标波士顿,苏州想当“中国药谷”
Huan Qiu Wang Zi Xun· 2025-08-21 22:53
来源:环球时报 香港《南华早报》8月20日文章,原题:中国生物科技中心苏州蓬勃发展,能否成为下一个波士顿? 2020年,苏州市提出一个大胆愿景:对标并借鉴美国"波士顿经验",构建具有苏州特色的生物医药产业 生态体系,集聚全球龙头医药企业、高水平医疗机构和世界级学术论坛,力争在十年内打造成为国际知 名和国内最有竞争力、最有影响力的产业地标——"中国药谷"。 苏州历史悠久,以水乡古镇和秀美园林而闻名,如今也是电子信息、机械制造、人工智能、纳米技术和 生物医药的枢纽。截至2023年7月,苏州已集聚生物医药企业超3800家,其愿景是吸引更多国内外顶尖 制药公司在此设立地区总部,到2030年打造成重要的生物制药创新中心,力争集聚生物医药企业超1万 家,产业规模突破1万亿元。 为培养未来的药物创新人才,2020年,苏州工业园区与西交利物浦大学共建"西浦慧湖药学院",旨在助 力苏州转型成为世界级生物制药和健康医疗之都。该学院执行院长傅磊表示,要培育中国制药和生物技 术中心,需要一个涵盖人才培养、公司设立、生产制造、监管和法律服务的综合生态系统。了解波士顿 是如何成为重要的生物技术中心,可为苏州打造类似的生态系统提供宝贵经验 ...
重大突破!中国华电自主研制“华电睿翼”国产透平一级动叶挂机超2000小时
Huan Qiu Wang Zi Xun· 2025-08-21 18:04
Core Insights - China Huadian's self-developed "Huadian Ruiyi" F-class gas turbine first-stage blades have achieved over 2000 hours of equivalent operation at Jiangsu Huadian Qishuyan Power Generation Co., setting a new record for domestic F-class heavy-duty gas turbine blades [1] - The project is a key engineering task undertaken by Huadian Jiangsu Energy Co. and Huadian Gas Turbine Company, demonstrating significant advancements in the manufacturing and testing of critical components for heavy-duty gas turbines [1] Group 1 - The F-class gas turbine first-stage blades were validated through 48-hour and 1000-hour tests at Qishuyan Power Generation Co., providing strong data and theoretical support for the 2000-hour long-term operation test [1] - The first-stage blades are critical components of heavy-duty gas turbines, characterized by high design complexity and harsh operating environments, involving advanced materials and precision manufacturing techniques [1] - The successful operation of the blades has been validated through over 100 successful gas turbine starts during peak summer demand in East China, confirming their high-temperature resistance and manufacturing quality [1] Group 2 - In 2023, as the final year of China's "14th Five-Year Plan," China Huadian aims to leverage this breakthrough to enhance the manufacturing technology and capabilities of key components for heavy-duty gas turbines [2] - The company is committed to supporting the development of the gas turbine industry, optimizing energy structure, and ensuring reliable energy supply in alignment with national strategic decisions [2]
连锁业务成第一大收入来源 新氧CEO金星:预计整体扭亏周期不会过长
Huan Qiu Wang Zi Xun· 2025-08-21 10:19
新氧的线下连锁探索始于2023年5月,首店经过10个月运营验证后,2024年加速布局,年底门店数量达 19家,完成跨区域管理模型验证;2025年至今,重点在北上广深等头部城市加密门店,进一步测试单城 门店密度潜力。 针对连锁扩张中的服务质量管控难题,新氧提出差异化解决方案。不同于行业普遍认为"医美难以标准 化"的观点,新氧聚焦轻医美赛道,将服务拆解为"诊断+治疗"两大标准化环节:诊断环节由医学部联合 外部专家制定标准化诊疗方案,融合众家之长与平台大数据;治疗环节通过高频实操提升医生水平,目 前新氧医生年均操作量超3000例,超行业平均。 财务方面,金星透露,当前平台业务与上游业务整体仍保持盈利,为连锁业务投入提供支撑;连锁业务 中,大部分门店已实现正向现金流,且开店节奏稳健,未采取激进烧钱策略。随着上游产品价格因竞争 加剧带来的价格下降,连锁业务毛利率将逐步提升,公司整体扭亏为盈周期不会过长。 此外,金星强调,其低价策略并非"打价格战",而是推动医美行业价格回归合理水平。目前中国医美价 格远高于韩国等地,且行业存在高毛利、低净利的痛点——营销成本高、运营低效等浪费现象严重。新 氧希望通过自身模式,降低行业获客 ...
iPhone 16还是iPhone 17?请看这份购机抉择解析
Huan Qiu Wang Zi Xun· 2025-08-21 08:32
来源:环球网 【环球网科技综合报道】当下,若你正计划入手一部新iPhone,那可要好好斟酌一番了。目前摆在面前 的有两条路:一是立刻拿下iPhone 16,开启全新的苹果体验;二是再耐心等待几周,迎接即将闪亮登 场的iPhone 17。究竟该如何选择呢? 8月21日,据外媒CNET指出,随着9月iPhone 17发布日期的临近,等待或许能带来更多惊喜。一方面, 你可以直接入手这款全新的机型,感受苹果最新的科技成果;另一方面,按照以往惯例,苹果通常会在 新机发布后对旧款进行降价,届时你就能以更实惠的价格将 iPhone 16收入囊中。 虽然目前关于iPhone 17的确切信息寥寥无几,但传闻和推测已经满天飞。从屏幕到相机,从设计到性 能,各个方面的猜测都让人充满期待。 在屏幕方面,最令人兴奋的传闻是iPhone 17可能会配备120Hz显示屏。要知道,目前只有Pro机型才享 有这一高刷新率,基础款和Plus机型只能"望屏兴叹"。如果这一传闻成真,那么基础款iPhone 17的屏幕 体验将迎来质的飞跃,甚至可能引入全天候显示功能,让用户查看信息更加便捷。不过,在防刮、防反 射显示屏这一功能上,iPhone 17和 ...
Meta 暂停 AI 招聘:是战略调整还是投资泡沫信号
Huan Qiu Wang Zi Xun· 2025-08-21 08:32
Core Insights - Meta has confirmed the suspension of hiring in its newly established artificial intelligence department, marking the end of its previous aggressive recruitment strategy for AI researchers and engineers [1][3] - This hiring freeze is part of a broader restructuring effort within the company, aimed at creating a solid framework for its new superintelligence projects [1][3] Company Developments - Meta's internal restructuring has divided its AI business into four teams, focusing on building machine superintelligence, AI products, infrastructure, and long-term project exploration, all under the "Meta Superintelligence Lab" [3] - The company has made significant investments in AI this year, including high-priced recruitment from other firms and acquiring stakes in the company founded by Scale AI's Alexander Wang to lead the development of the Llama series of open-source large language models [3] Market Context - The hiring freeze coincides with growing concerns about the rapid pace of AI investments and a broader sell-off in U.S. tech stocks [3] - OpenAI's CEO Sam Altman has raised alarms about a potential bubble in the AI sector, which has drawn market attention [3] - However, many tech analysts and investors disagree with this perspective, suggesting that tech stocks are undervalued in the context of the Fourth Industrial Revolution, and view Meta's hiring pause as a natural break following significant expenditures [3]
音乐为伴是真实感受!研究发现:音乐能激发社交互动想象
Huan Qiu Wang Zi Xun· 2025-08-21 07:36
来源:环球网 【环球网报道 记者 李青云】音乐的陪伴是真切的,还是只是语言上的形容?悉尼大学Horizon研究学 者、澳大利亚研究委员会(ARC)早期职业研究奖(DECRA)获得者、悉尼音乐学院"音乐、心灵与身 体实验室"的认知神经科学家斯特芬·A·赫尔夫博士(Steffen A. Herff)近期领导的一项新研究首次通过 实证证明,音乐确实能够通过促进想象中的社交互动来"陪伴"你。 赫尔夫博士和他的团队历时四年,展开了一项有来自全球600名参与者参与的大规模研究,旨在实证检 验音乐对社会思维是否有可量化的影响,相关研究成果刚刚发表在《科学报告》杂志上。 在研究中,参与者被要求闭上眼睛,在静默或有音乐的条件下,想象前往地标性自然景观(如山脉)。 每次想象后,参与者需详细描述他们的想象内容,研究人员利用计算模型识别描述中的共性主题,发现 音乐能让参与者发现更多的社交联结的主题,如与他人跳舞、欢笑等更生动的场景。同时,这也表明, 人们能推测另一个人在听音乐时可能会想象的内容,这种方式可以促进我们对他人思维和情感的理解。 研究人员特意选用了来自意大利、西班牙和瑞典的民间音乐,这些音乐在社交活动中具有悠久的传统, 有 ...
美科技公司“硬刚”美国海关:苹果手表血氧功能专利之争再升级
Huan Qiu Wang Zi Xun· 2025-08-21 05:12
Core Viewpoint - The legal dispute between Masimo and Apple centers around the blood oxygen functionality in Apple Watches, with Masimo alleging that U.S. Customs and Border Protection (CBP) improperly allowed Apple to import watches equipped with pulse oximeter technology without consulting Masimo [1][3]. Group 1: Legal Dispute - Masimo has filed a lawsuit against CBP in federal court, claiming that the agency reversed its previous decision regarding the importation of Apple Watches with blood oxygen reading capabilities without notifying Masimo [3]. - The conflict between Masimo and Apple has been ongoing, with Masimo accusing Apple of poaching its employees and stealing technology for the pulse oximeter used in Apple Watches [3]. - In 2023, Masimo successfully convinced the U.S. International Trade Commission (ITC) to block the import of Apple Series 9 and Ultra 2 smartwatches due to patent infringement related to blood oxygen level reading technology [3]. Group 2: Recent Developments - On August 14, Apple announced it would reintroduce the blood oxygen reading feature in its smartwatches, contingent upon CBP's approval, which Masimo argues was granted without proper consultation [3]. - Masimo contends that CBP's actions undermine its rights and responsibilities, emphasizing that the agency should enforce the ITC's exclusion order rather than create loopholes [3]. - Masimo is seeking a court order to halt CBP's decision and prevent Apple from selling watches with blood oxygen functionality [3].