feat: add 5 Chinese authoritative data sources (health, research, environment)

firstdata/sources/china/health/china-chinadrugtrials.json

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+{
+  "id": "china-chinadrugtrials",
+  "name": {
+    "en": "China Drug Clinical Trials Registration and Information Disclosure Platform",
+    "zh": "药物临床试验登记与信息公示平台"
+  },
+  "description": {
+    "en": "The China Drug Clinical Trials Registration and Information Disclosure Platform is operated by the Center for Drug Evaluation (CDE) under the National Medical Products Administration (NMPA). It serves as China's official registry for drug clinical trials, providing public access to trial registration data, study protocols, and results. The platform covers all phases of clinical trials conducted in China, including trials for chemical drugs, biological products, and traditional Chinese medicines. Researchers, pharmaceutical companies, and the public can search for ongoing and completed trials, review study designs, and access outcome information. The platform plays a critical role in promoting transparency and accountability in China's pharmaceutical clinical research ecosystem.",
+    "zh": "药物临床试验登记与信息公示平台由国家药品监督管理局药品审评中心（CDE）运营，是中国药物临床试验的官方登记注册平台，提供试验登记数据、研究方案和结果的公开访问。平台覆盖在中国开展的所有阶段临床试验，包括化学药品、生物制品和中药的临床试验。研究人员、制药企业和公众可以检索正在进行和已完成的临床试验，审查研究设计并获取结果信息。该平台在促进中国医药临床研究生态系统的透明度和问责制方面发挥着关键作用。"
+  },
+  "website": "https://www.chinadrugtrials.org.cn",
+  "data_url": "https://www.chinadrugtrials.org.cn",
+  "api_url": null,
+  "authority_level": "government",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "health",
+    "pharmaceuticals"
+  ],
+  "update_frequency": "daily",
+  "tags": [
+    "临床试验",
+    "clinical trials",
+    "药物",
+    "drug",
+    "CDE",
+    "药品审评",
+    "drug evaluation",
+    "NMPA",
+    "国家药监局",
+    "pharmaceutical",
+    "制药",
+    "试验登记",
+    "trial registration",
+    "生物制品",
+    "biological products",
+    "中药",
+    "traditional Chinese medicine",
+    "研究方案",
+    "study protocol",
+    "药物研发",
+    "drug development"
+  ],
+  "data_content": {
+    "en": [
+      "Clinical trial registration records: trial ID, sponsor, study title, therapeutic area, drug name, trial phase, and registration date",
+      "Study protocol details: study design, objectives, endpoints, inclusion/exclusion criteria, sample size, and treatment arms",
+      "Trial status tracking: recruitment status, start and completion dates, and participating clinical sites across China",
+      "Drug information: investigational drug details, dosage forms, routes of administration, and indications under study",
+      "Sponsor and investigator data: sponsoring organizations, principal investigators, and ethics committee approval information",
+      "Trial results summaries: outcome data and results for completed clinical trials when available"
+    ],
+    "zh": [
+      "临床试验登记记录：试验编号、申办者、研究题目、治疗领域、药物名称、试验分期及登记日期",
+      "研究方案详情：研究设计、目的、终点指标、入选/排除标准、样本量及治疗组别",
+      "试验状态跟踪：招募状态、开始与完成日期及全国参与临床试验机构",
+      "药物信息：在研药物详情、剂型、给药途径及研究适应症",
+      "申办者与研究者数据：申办机构、主要研究者及伦理委员会批件信息",
+      "试验结果摘要：已完成临床试验的结局数据和结果信息"
+    ]
+  }
+}

firstdata/sources/china/research/china-nigpas.json

@@ -0,0 +1,67 @@
+{
+  "id": "china-nigpas",
+  "name": {
+    "en": "Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences",
+    "zh": "中国科学院南京地质古生物研究所"
+  },
+  "description": {
+    "en": "The Nanjing Institute of Geology and Palaeontology (NIGPAS), established in 1951 under the Chinese Academy of Sciences, is China's only dedicated institution for palaeontology and stratigraphy research. NIGPAS maintains one of the world's largest fossil collections with over 200,000 specimens covering invertebrate palaeontology, palaeobotany, micropaleontology, and biostratigraphy. The institute operates the Nanjing Museum of Palaeontology and manages comprehensive databases of fossil specimens, stratigraphic sections, and geological time calibration data. NIGPAS plays a central role in establishing China's biostratigraphic framework and contributes to international efforts in geological time scale calibration. Its research data supports studies in Earth's life evolution, mass extinction events, palaeoclimate reconstruction, and petroleum exploration stratigraphy.",
+    "zh": "中国科学院南京地质古生物研究所成立于1951年，是中国唯一专门从事古生物学和地层学研究的机构。NIGPAS维护着世界上最大的化石收藏之一，拥有超过20万件标本，涵盖无脊椎古生物学、古植物学、微体古生物学和生物地层学。研究所运营南京古生物博物馆，管理化石标本、地层剖面和地质年代标定数据的综合数据库。NIGPAS在建立中国生物地层学框架中发挥核心作用，并为国际地质年代表标定工作作出贡献。其研究数据支持地球生命演化、大灭绝事件、古气候重建和石油勘探地层学等领域的研究。"
+  },
+  "website": "http://www.nigpas.ac.cn",
+  "data_url": "http://www.nigpas.ac.cn",
+  "api_url": null,
+  "authority_level": "research",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "science",
+    "geology"
+  ],
+  "update_frequency": "irregular",
+  "tags": [
+    "古生物",
+    "palaeontology",
+    "paleontology",
+    "地层学",
+    "stratigraphy",
+    "化石",
+    "fossil",
+    "NIGPAS",
+    "南京地质古生物研究所",
+    "地质年代",
+    "geological time",
+    "古植物",
+    "palaeobotany",
+    "微体古生物",
+    "micropaleontology",
+    "生物地层",
+    "biostratigraphy",
+    "大灭绝",
+    "mass extinction",
+    "古气候",
+    "palaeoclimate",
+    "中国科学院",
+    "CAS",
+    "标本",
+    "specimen"
+  ],
+  "data_content": {
+    "en": [
+      "Fossil specimen database: taxonomic records, locality data, geological age, and imaging for over 200,000 fossil specimens in the NIGPAS collection",
+      "Stratigraphic section data: measured sections with lithological descriptions, biostratigraphic zonation, and chronostratigraphic correlation across China",
+      "Geological time scale calibration: high-resolution age data from GSSP (Global Boundary Stratotype Section and Point) candidates studied by NIGPAS",
+      "Palaeobotanical records: fossil plant morphology, taxonomy, and distribution data from Palaeozoic through Cenozoic periods",
+      "Micropaleontological datasets: conodont, foraminifer, and other microfossil biostratigraphic range data",
+      "Mass extinction event data: geochemical, isotopic, and fossil occurrence records for major Phanerozoic extinction boundaries"
+    ],
+    "zh": [
+      "化石标本数据库：NIGPAS收藏的超过20万件化石标本的分类记录、产地数据、地质年代和影像资料",
+      "地层剖面数据：中国各地实测剖面的岩性描述、生物地层带划分和年代地层对比",
+      "地质年代表标定：NIGPAS研究的GSSP（全球界线层型剖面和点位）候选剖面高分辨率年龄数据",
+      "古植物学记录：古生代至新生代化石植物形态学、分类学和分布数据",
+      "微体古生物数据集：牙形石、有孔虫及其他微体化石生物地层延限数据",
+      "大灭绝事件数据：显生宙主要灭绝界线的地球化学、同位素和化石产出记录"
+    ]
+  }
+}

firstdata/sources/china/research/china-nssdc.json

@@ -0,0 +1,67 @@
+{
+  "id": "china-nssdc",
+  "name": {
+    "en": "National Space Science Data Center",
+    "zh": "国家空间科学数据中心"
+  },
+  "description": {
+    "en": "The National Space Science Data Center (NSSDC) is one of China's 20 national science data centers, managed by the National Space Science Center of the Chinese Academy of Sciences. NSSDC serves as the authoritative repository for space science mission data in China, providing long-term preservation, curation, and open sharing of data from China's space science satellite programs including DAMPE (Wukong), HXMT (Insight), EP (Einstein Probe), QUESS (Mozi), and other missions. The center also archives solar-terrestrial space environment monitoring data, geomagnetic field observations, and cosmic ray measurements. NSSDC offers standardized data access services with DOI-based data citation, supporting domestic and international researchers in space physics, astrophysics, planetary science, and space weather forecasting.",
+    "zh": "国家空间科学数据中心是中国20个国家科学数据中心之一，由中国科学院国家空间科学中心管理。NSSDC是中国空间科学任务数据的权威存储库，提供来自悟空号、慧眼号、爱因斯坦探针、墨子号等中国空间科学卫星项目数据的长期保存、整理和开放共享服务。中心还归档日地空间环境监测数据、地磁场观测和宇宙线测量数据。NSSDC提供基于DOI数据引用的标准化数据访问服务，支持国内外研究人员在空间物理、天体物理、行星科学和空间天气预报等领域的研究。"
+  },
+  "website": "https://www.nssdc.ac.cn",
+  "data_url": "https://www.nssdc.ac.cn",
+  "api_url": null,
+  "authority_level": "research",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "science",
+    "space"
+  ],
+  "update_frequency": "irregular",
+  "tags": [
+    "空间科学",
+    "space science",
+    "NSSDC",
+    "国家科学数据中心",
+    "national science data center",
+    "卫星数据",
+    "satellite data",
+    "悟空号",
+    "DAMPE",
+    "慧眼号",
+    "HXMT",
+    "爱因斯坦探针",
+    "Einstein Probe",
+    "墨子号",
+    "QUESS",
+    "空间天气",
+    "space weather",
+    "宇宙线",
+    "cosmic ray",
+    "地磁场",
+    "geomagnetic field",
+    "天体物理",
+    "astrophysics",
+    "中国科学院",
+    "CAS"
+  ],
+  "data_content": {
+    "en": [
+      "Space science satellite mission data: calibrated scientific data products from DAMPE, HXMT, EP, QUESS, and other Chinese space science missions",
+      "Solar-terrestrial environment monitoring: solar wind parameters, interplanetary magnetic field measurements, and magnetospheric observation data",
+      "Geomagnetic field observations: ground-based geomagnetic station network data including geomagnetic indices and field component measurements",
+      "Cosmic ray measurement data: ground-based and space-based cosmic ray flux, energy spectrum, and composition observations",
+      "Space weather forecasting data: real-time and archival space environment condition data for solar activity and geomagnetic storm prediction",
+      "Planetary science data: lunar and Mars exploration mission data products from Chang'e and Tianwen programs"
+    ],
+    "zh": [
+      "空间科学卫星任务数据：悟空号、慧眼号、爱因斯坦探针、墨子号等中国空间科学任务的定标科学数据产品",
+      "日地环境监测：太阳风参数、行星际磁场测量及磁层观测数据",
+      "地磁场观测：地面地磁台站网络数据，包括地磁指数和磁场分量测量",
+      "宇宙线测量数据：地面和空间宇宙线通量、能谱和成分观测数据",
+      "空间天气预报数据：用于太阳活动和地磁暴预报的实时与存档空间环境状态数据",
+      "行星科学数据：嫦娥和天问系列月球与火星探测任务数据产品"
+    ]
+  }
+}

firstdata/sources/china/research/china-pmo.json

@@ -0,0 +1,65 @@
+{
+  "id": "china-pmo",
+  "name": {
+    "en": "Purple Mountain Observatory, Chinese Academy of Sciences",
+    "zh": "中国科学院紫金山天文台"
+  },
+  "description": {
+    "en": "The Purple Mountain Observatory (PMO), established in 1934 and located in Nanjing, is one of China's oldest and most prestigious astronomical research institutions under the Chinese Academy of Sciences. PMO is renowned for its pioneering work in asteroid discovery and tracking, solar physics, and space exploration. The observatory operates multiple observation stations across China and manages key research programs in near-Earth object monitoring, millimeter-wave astronomy, and dark matter detection. PMO has discovered numerous asteroids and comets, and maintains authoritative datasets on minor planet orbits. As a leading institution in Chinese astronomy, PMO publishes research data including asteroid ephemerides, solar activity observations, and astronomical catalogs that serve both the scientific community and national space situational awareness programs.",
+    "zh": "紫金山天文台成立于1934年，位于南京，是中国科学院下属最悠久、最具声望的天文研究机构之一。紫台在小行星发现与跟踪、太阳物理学和空间探测领域享有盛誉。天文台在全国运营多个观测站，管理近地天体监测、毫米波天文学和暗物质探测等关键研究项目。紫台已发现众多小行星和彗星，维护着权威的小行星轨道数据集。作为中国天文学的领军机构，紫台发布包括小行星星历表、太阳活动观测和天文星表在内的研究数据，服务于科学界和国家空间态势感知项目。"
+  },
+  "website": "http://www.pmo.ac.cn",
+  "data_url": "http://www.pmo.ac.cn",
+  "api_url": null,
+  "authority_level": "research",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "science",
+    "astronomy"
+  ],
+  "update_frequency": "irregular",
+  "tags": [
+    "紫金山天文台",
+    "Purple Mountain Observatory",
+    "PMO",
+    "天文学",
+    "astronomy",
+    "小行星",
+    "asteroid",
+    "近地天体",
+    "near-Earth object",
+    "太阳物理",
+    "solar physics",
+    "暗物质",
+    "dark matter",
+    "毫米波",
+    "millimeter wave",
+    "星表",
+    "astronomical catalog",
+    "中国科学院",
+    "CAS",
+    "南京",
+    "Nanjing",
+    "天文观测",
+    "astronomical observation"
+  ],
+  "data_content": {
+    "en": [
+      "Asteroid and minor planet data: orbital elements, ephemerides, and discovery records for asteroids discovered and tracked by PMO",
+      "Near-Earth object monitoring: tracking data and orbit calculations for potentially hazardous asteroids",
+      "Solar observation data: solar activity monitoring records including sunspot counts, solar flare events, and chromospheric observations",
+      "Millimeter-wave astronomical observations: spectral line survey data from the PMO 13.7m radio telescope at Delingha station",
+      "Dark matter detection experiment data: results from the DAMPE (Dark Matter Particle Explorer) satellite mission",
+      "Comet discovery and observation records: astrometric and photometric data for comets discovered by PMO astronomers"
+    ],
+    "zh": [
+      "小行星和小天体数据：紫台发现和跟踪的小行星轨道根数、星历表及发现记录",
+      "近地天体监测：潜在危险小行星的跟踪数据和轨道计算",
+      "太阳观测数据：太阳活动监测记录，包括太阳黑子计数、太阳耀斑事件和色球观测",
+      "毫米波天文观测：德令哈观测站13.7米射电望远镜谱线巡天数据",
+      "暗物质探测实验数据：悟空号（暗物质粒子探测卫星）任务成果数据",
+      "彗星发现与观测记录：紫台天文学家发现的彗星天体测量和测光数据"
+    ]
+  }
+}

firstdata/sources/china/resources/environment/china-nesdc.json

@@ -0,0 +1,67 @@
+{
+  "id": "china-nesdc",
+  "name": {
+    "en": "National Ecosystem Science Data Center",
+    "zh": "国家生态科学数据中心"
+  },
+  "description": {
+    "en": "The National Ecosystem Science Data Center (NESDC) is one of China's 20 national science data centers, managed by the Institute of Geographic Sciences and Natural Resources Research (IGSNRR) of the Chinese Academy of Sciences. NESDC serves as the authoritative national platform for ecosystem science data sharing, integrating long-term ecological monitoring data from the Chinese Ecosystem Research Network (CERN) and other field station networks. The center provides standardized datasets covering terrestrial, aquatic, and urban ecosystems including carbon flux measurements, biodiversity surveys, soil properties, water quality monitoring, vegetation dynamics, and meteorological observations. NESDC supports ecological research, environmental policy making, and ecosystem service valuation by offering curated, quality-controlled datasets with metadata standards and DOI-based data citation services.",
+    "zh": "国家生态科学数据中心是中国20个国家科学数据中心之一，由中国科学院地理科学与资源研究所管理。NESDC是生态科学数据共享的国家权威平台，整合中国生态系统研究网络（CERN）等野外台站网络的长期生态监测数据。中心提供覆盖陆地、水域和城市生态系统的标准化数据集，包括碳通量测量、生物多样性调查、土壤特性、水质监测、植被动态和气象观测等。NESDC通过提供经质量控制的数据集及元数据标准和基于DOI的数据引用服务，支持生态学研究、环境政策制定和生态系统服务价值评估。"
+  },
+  "website": "https://www.nesdc.org.cn",
+  "data_url": "https://www.nesdc.org.cn",
+  "api_url": null,
+  "authority_level": "research",
+  "country": "CN",
+  "geographic_scope": "national",
+  "domains": [
+    "environment",
+    "ecology"
+  ],
+  "update_frequency": "irregular",
+  "tags": [
+    "生态科学",
+    "ecosystem science",
+    "NESDC",
+    "国家科学数据中心",
+    "national science data center",
+    "生态系统",
+    "ecosystem",
+    "CERN",
+    "中国生态系统研究网络",
+    "生物多样性",
+    "biodiversity",
+    "碳通量",
+    "carbon flux",
+    "土壤",
+    "soil",
+    "水质",
+    "water quality",
+    "植被",
+    "vegetation",
+    "生态监测",
+    "ecological monitoring",
+    "中国科学院",
+    "CAS",
+    "野外台站",
+    "field station"
+  ],
+  "data_content": {
+    "en": [
+      "Carbon flux measurement data: eddy covariance tower observations of CO2, water vapor, and energy fluxes from CERN and ChinaFLUX network stations",
+      "Biodiversity survey datasets: species inventories, vegetation quadrat surveys, and animal population monitoring records from ecosystem research stations",
+      "Soil property databases: physical, chemical, and biological soil properties including organic carbon content, nutrient levels, and microbial community data",
+      "Water quality monitoring: dissolved oxygen, nutrient concentrations, pH, and pollutant levels from freshwater lake and river monitoring stations",
+      "Vegetation remote sensing products: NDVI, LAI, land cover classification, and vegetation phenology datasets derived from satellite imagery",
+      "Long-term ecological monitoring: multi-decade time series of meteorological variables, primary productivity, and ecosystem structure from CERN stations"
+    ],
+    "zh": [
+      "碳通量测量数据：CERN和ChinaFLUX网络台站涡度协方差塔观测的CO2、水汽和能量通量数据",
+      "生物多样性调查数据集：生态系统研究站的物种清单、植被样方调查和动物种群监测记录",
+      "土壤特性数据库：土壤物理、化学和生物性质，包括有机碳含量、养分水平和微生物群落数据",
+      "水质监测：淡水湖泊和河流监测站的溶解氧、营养盐浓度、pH值和污染物水平数据",
+      "植被遥感产品：卫星影像衍生的NDVI、LAI、土地覆盖分类和植被物候数据集",
+      "长期生态监测：CERN台站数十年气象变量、初级生产力和生态系统结构时间序列"
+    ]
+  }
+}