首个、首次、首台 本周 我国在工程建设、科学探测等领域 实现多项重大突破 中国科技与中国实力再度刷屏 用"中国精度"看宇宙 中微子实验首个重大成果发布 11月19日 江门中微子实验在建成两个月后 首次发布重大科研成果 其对中微子相关参数的测量精度 比此前实验的最好精度提高了1.5~1.8倍 我国首个采用冷却塔的 "华龙一号"核电站正式开建 11月18日 我国首个 采用冷却塔的"华龙一号"核电站 中广核招远核电1号机组 作为国际上首个运行的超大规模和超高精度的中微子专用大科学装置，江门中微子实验将助力科学家对来自太阳、超新星、 大气和地球的中微子开展前沿研究，其最主要的科学目标是解决粒子物理学领域未来十年内的一个重大问题，即：中微子的 质量顺序，从而为探索未知物理世界打开新窗口。 江门中微子实验合作组发言人介绍 中微子实验的核心探测器达到了设计要求 未来几年会把精度再提高几倍 实现用"中国精度"看宇宙 核岛第一罐混凝土顺利浇筑 标志着山东招远核电基地建设全面启动 "华龙一号" 是我国自主研发的第三代核电技术 是目前全球在运和在建机组数量最多的 一种核电堆型 整个招远核电项目规划建设 6台华龙一号核电机组 总装机 ...

新华社巴西贝伦11月21日电 记者手记｜巴西可持续牡蛎养殖助原住民"双丰收" 新华社记者周永穗 杨家和 王天聪 巴西东北部帕拉州库鲁萨市的劳鲁索德雷村位于亚马孙地区中心地带，海水与河水在这里交汇，形 成了独特的红树林生态系统。 加尔旺说："不同规格的金属网笼既能保证牡蛎正常捕食，也能防止螺类蟹类等天敌侵袭。等6个月 到1年，牡蛎就可以收获了。"加尔旺还告诉记者，在当地传统的捕鱼业难以持续的当下，这项养殖技术 将村子从凋敝的困境中解救出来。 本世纪初，应巴西中小企业辅助协会的邀请，古巴生物技术专家莱昂纳多·萨亚斯来到当地教授了 这种牡蛎养殖技术，大幅提升了牡蛎幼苗的培育能力，损耗率极低。相比传统方法只有50%的成品率， 该技术确保了超过90%的养殖成品可进入市场流通。此外，劳鲁索德雷村作为淡水与海水交汇的红树林 生态系统，是生物多样性的天然温床，在这里养殖的牡蛎肉质更加饱满，口味更佳。 巴西环境部下属的奇科门德斯生物多样性保护基金会在当地设立了保护区，旨在促进传统社区对可 再生自然资源的可持续利用。基金会环境研究员玛丽亚·奥古斯塔告诉记者，保护区内的居民们大多数 是原住民，基金会会定期组织创业管理培训，教他们学 ...

【 导读 】 A股市场低开低走，锂电板块遭重挫；"中船系"逆市走强， 久之洋20cm涨停； 光刻胶概念股午前异动 中国基金报记者 晨曦 大家好！全球市场遭遇"黑色星期五"，来一起关注上午的市场行情和资讯~ 11月21日上午，亚太市场普遍走低，日经225指数跌超2%，韩国综合指数跌超3%，仅澳洲标普200指数微红。 | 亚太市场 | | | | --- | --- | --- | | 日经225 | 韩国综合 | 新加坡海峡 | | 48730.53 | 3853.81 | 4469.94 | | -1093.41 -2.19% -151.04 -3.77% -41.93 --0.93% | | | | 澳洲标普200 | 印度 | MSCI台湾 | | 8429.50 | 85347.40 | 1043.02 | | +13.00 +0.15% -285.28 -0.33% -41.72 -3.85% | | | | 上证指数 | 深证成指 | 恒生指数 | | 3857.24 | 12627.85 | 25300.41 | | -73.81 -1.88% -352.96 -2.72% | | -535.16 ...

每经AI快讯，有投资者在投资者互动平台提问：贵公司还有哪些水产养殖？ （记者 王晓波） *ST佳沃（300268.SZ）11月21日在投资者互动平台表示，公司目前没有水产养殖业务。 ...

（原标题：水产板块拉升 中水渔业6连板） 人民财讯11月21日电，水产板块拉升，中水渔业6连板，獐子岛3天2板，国联水产、百洋股份跟涨。 ...

（文章来源：每日经济新闻） 金埔园林（301098.SZ）11月20日在投资者互动平台表示，投资者您好，安徽金康水产科技有限公司为 公司孙公司的参股公司，经营范围等工商信息具体请参见国家企业信用信息系统的公开信息，感谢您的 关注！ 每经AI快讯，有投资者在投资者互动平台提问：请问董秘公司参股子公司安徽金康水产科技有限公司 开展哪些水产养殖业务？ ...

国联水产11月20日交易公开信息 | 买/ | 会员营业部名称 | 买入金额（万 | 卖出金额（万 | | --- | --- | --- | --- | | 卖 | | 元） | 元） | | 买一 | 东方财富证券股份有限公司拉萨东环路第二证券营业部 | 3256.13 | 1808.61 | | 买二 | 东方财富证券股份有限公司拉萨金融城南环路证券营业 | 3067.31 | 2313.10 | | | 部 | | | | 买三 | 东方财富证券股份有限公司拉萨东环路第一证券营业部 | 2710.01 | 1506.46 | | 买四 | 东方财富证券股份有限公司拉萨团结路第二证券营业部 | 2561.10 | 2177.83 | | 买五 | 东方财富证券股份有限公司拉萨团结路第一证券营业部 | 2508.23 | 1764.27 | | 卖一 | 国泰海通证券股份有限公司成都北一环路证券营业部 | 135.27 | 6301.55 | | 卖二 | 国泰海通证券股份有限公司上海静安区新闸路证券营业 | 0.00 | 4525.02 | | | 部 | | | | 卖三 | 东海证券股份有限公司常州 ...

Market Overview - The market opened high but closed lower, with the ChiNext index dropping over 1% by the end of the day. Bank stocks continued to perform strongly, with China Bank and Industrial and Commercial Bank reaching new highs. The Hainan sector was active, with Hainan Haiyao hitting the daily limit. Lithium mining stocks remained strong, with Dawi Co. also hitting the limit. In contrast, consumer stocks fell collectively, with Liren Liyang hitting the limit down and Guolian Aquatic dropping over 10%. A total of nearly 3,800 stocks declined across the Shanghai, Shenzhen, and Beijing markets, with a trading volume of 1.72 trillion yuan [1]. Hot Topics Free Trade Zone in Fujian - The Fujian Free Trade Zone was active again today, with HeFu China resuming trading and hitting the limit up, Jiuzhou Wang achieving a seven-day limit up streak, and Rongji Software and Yingli Auto also hitting the limit up [3]. Real Estate Sector - The real estate sector showed unusual activity, with Caixin Development and Haolaike hitting the limit up, New Town Holdings rising by 7%, and I Love My Home also hitting the limit up. Reports indicate that on November 19, the Housing and Urban-Rural Development Bureau of Foshan, Guangdong Province, along with seven other departments, issued a notice with 12 measures to promote the stable and healthy development of the real estate market, covering land supply, development construction, financial support, and home purchasing convenience [5]. Banking Sector - The banking sector continued to perform well, with China Bank rising by 4% to reach a historical high, and Industrial and Commercial Bank also reaching a historical high, while Construction Bank increased by 3% [7]. The current price-to-book ratio (PB) for A-share banks is 0.73, while the PB for Hong Kong's state-owned banks is around 0.55, indicating that valuations remain significantly low compared to international peers. The banking sector's performance since 2022 has been primarily driven by valuation re-evaluation and upward adjustment [8][9]. Stock Performance Notable Stocks - HeFu China (603122.SS) reached a price of 26.18 yuan with a 10% increase and a market cap of 10.421 billion yuan [4]. - Jiuzhou Wang (601566.SS) achieved a price of 18.41 yuan with a 9.98% increase and a market cap of 10.579 billion yuan [4]. - Caixin Development (000838.SZ) reached a price of 3.40 yuan with a 10.03% increase and a market cap of 3.583 billion yuan [6]. - Haolaike (603898.SS) reached a price of 13.97 yuan with a 10% increase and a market cap of 4.349 billion yuan [6].

格隆汇11月20日｜A股三大指数今日集体下跌，截至收盘，沪指跌0.4%报3931点，深证成指跌0.76%，创业板指跌1.12%。全市场成交额1.72万亿元，较前一 交易日缩量200亿元，逾3800股下跌。 | 上证指数 | 深证成指 | 北证5( | | --- | --- | --- | | 3931.05 | 12980.82 | 1445.5 | | -15.69 -0.40% -99.27 -0.76% -15.58 -1 | | | | 科创20 | 创业板指 | 万得全/ | | 1328.19 | 3042.34 | 6227.9 | | -16.61 -1.24% -34.50 -1.12% -41.15 -0 | | | | 沪深300 | 中证500 | 中证A5( | | 4564.95 | 7061.95 | 5475.5 | | -23.34 -0.51% -60.80 -0.85% -36.83 -0 | | | | 中证1000 | 中证2000 | 中证红和 | | 7340.41 | 3066.78 | 5656.0 | | -46.80 -0.63% -25.70 -0.8 ...

Market Overview - The three major A-share indices collectively declined, with the Shanghai Composite Index down 0.4% to 3931 points, the Shenzhen Component Index down 0.76%, and the ChiNext Index down 1.12% [1][2] - The total market turnover was 1.72 trillion yuan, a decrease of 20 billion yuan compared to the previous trading day, with over 3800 stocks declining [1] Index Performance - Shanghai Composite Index: 3931.05, down 15.69 points (-0.40%) [2] - Shenzhen Component Index: 12980.82, down 99.27 points (-0.76%) [2] - ChiNext Index: 3042.34, down 34.50 points (-1.12%) [2] - Other indices such as the CSI 300 and CSI 500 also experienced declines [2] Sector Performance - The aquaculture sector saw significant declines, with Tianma Technology hitting the daily limit down [3] - The prepared food concept also fell, with Guolian Aquatic Products down over 11% [3] - The organic silicon sector dropped, with Dongyue Silicon Materials down over 9% [3] - Beauty and personal care concepts weakened, with Liren Lizhuang hitting the daily limit down [3] - The photovoltaic equipment sector experienced fluctuations, with Guosheng Technology hitting the daily limit down [3] - Other sectors such as batteries, fluorochemicals, shipbuilding, and education also faced notable declines [3] Gaining Sectors - The Hainan sector rose, with Hainan Haiyao hitting the daily limit up [3] - The cement and building materials sector was active, with Yatai Group and Guotong Shares both hitting the daily limit up [3] - Banking stocks strengthened, with China Bank reaching a historical high [3] - Lithium mining, SPD concepts, and real estate services sectors showed gains [3]