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前三季度我国新批准发布891项国家标准物
Yang Shi Wang· 2025-10-12 01:51
记者今天了解到,据市场监管总局统计,前三季度,我国新批准发布国家标准物质891项,同比增 长75.7%。国家标准物质批准发布数量实现快速增长,主要是由于经营主体通过提升标准物质研制生产 能力,逐步建立快速响应市场需求机制,成为国家标准物质高质量发展的核心动力。 前三季度批准发布企业申报标准物质655项,占比73.5%,同比增长93.2%,全部为国家二级标准物 质;批准发布科研事业单位申报标准物质236项,占比26.5%,同比增长47.8%,其中国家一级标准物质 占比20.7%。从标准物质批准发布数量来看,企业在标准物质研制生产环节仍稳居主体地位,标准物质 研制生产企业紧扣市场需求,为满足产业精准测试需求作出突出贡献。科研事业单位更加注重高端技术 需求,研制生产的国家一级标准物质技术指标达到国内领先、国际先进水平。 截至目前,市场监管总局已累计批准发布19349项国家标准物质,标准物质国际计量互认能力稳居 国际第一梯队。(记者 李晶晶) 从增长领域看,前三季度,我国批准发布环境监测领域标准物质353项,占比39.6%,同比增长 100.6%,均为国家二级标准物质,增长较快,但仍需"提质进阶"。 前三季度批准发布 ...
130秒解锁神二十乘组“太空出差之旅”新亮点
Yang Shi Wang· 2025-08-11 05:29
Core Insights - The Shenzhou-20 mission, involving astronauts Chen Dong, Chen Zhongrui, and Wang Jie, is currently ongoing with various scientific and technical activities being conducted in space [1] Group 1: Space Mission Activities - The crew completed the unpacking, transfer, and performance checks of extravehicular spacesuits D and E delivered by the Tianzhou-9 cargo spacecraft [3] - The astronauts are conducting research on the effects of the space environment on the human blood-brain barrier and brain function using organ-on-a-chip technology, which aims to provide health risk predictions and interventions for long-term space missions [6] - In the field of aerospace medicine, the crew has completed multiple studies related to bone metabolism and the interaction of gut microbiota with nutritional metabolism [9] Group 2: Microbial Control and New Technologies - Ongoing experiments are being conducted on microbial control technologies for extraterrestrial habitation modules, where astronauts assess the effectiveness of disinfection by comparing microbial counts before and after treatment [12] - The crew is testing a mixed reality training device, allowing astronauts to interact with the system using voice or gesture commands while wearing portable mixed reality glasses [15] - Health maintenance activities include measurements of bone density, muscle dimensions, maximum isometric strength, and hearing tests, along with exercises to mitigate the effects of weightlessness [15]
运送20多项实验物资,新增近30种航天菜肴,天舟九号对接空间站仅用3小时
Huan Qiu Wang Zi Xun· 2025-07-15 23:22
Core Points - The successful launch of the Tianzhou-9 cargo spacecraft using the Long March 7 rocket marks a significant achievement in China's space station supply missions [1][3] - Tianzhou-9 set a new record for cargo weight, carrying approximately 6.5 tons of supplies, including materials for astronauts, space station systems, and various scientific experiments [3][5] - The mission demonstrated enhanced emergency launch capabilities, with Tianzhou-9 being prepared for a three-month emergency launch window [3][4] Launch and Docking - The Long March 7 rocket completed its 10th flight, while the Tianzhou-9 mission achieved a rapid autonomous docking with the Chinese space station in just three hours [3][4] - This three-hour docking mode has become a standard for cargo spacecraft, improving reliability and reducing the requirements for launch conditions and precision [4] Scientific Experiments - The mission included 23 scientific experiments across various fields, such as life sciences, material sciences, and fluid dynamics, with a total of 776.5 kilograms of experimental materials sent to the space station [5][6] - Key experiments focus on the effects of microgravity on human cells and materials, aiming to enhance understanding of physiological and pathological processes [5][6][9] Equipment and Supplies - Tianzhou-9 delivered new equipment, including two sets of upgraded extravehicular suits, which will extend their operational lifespan from 3 years and 15 missions to 4 years and 20 missions [7][8] - The mission also included new exercise equipment designed to prevent muscle atrophy in astronauts during long-duration space missions [7][8] Food and Nutrition - The variety of space food has been expanded, adding nearly 30 new dishes, bringing the total to over 190 types, and extending the flight food cycle from 7 days to 10 days [9]
Emergent BioSolutions Secures $51.9 Million Contract Modification Award for CNJ-016® [Vaccinia Immune Globulin Intravenous (Human)] (VIGIV) as part of U.S. Biodefense Preparedness Efforts
Globenewswire· 2025-07-08 20:45
Core Viewpoint - Emergent BioSolutions Inc. has secured a contract modification to deliver Vaccinia Immune Globulin Intravenous (Human) (VIGIV) to the U.S. Department of Health and Human Services for smallpox preparedness, highlighting the company's ongoing partnership with the U.S. government [1][2]. Group 1: Contract and Partnership - The contract modification involves additional doses of VIGIV, a treatment for complications arising from smallpox vaccination, under an existing 10-year contract with the Administration for Strategic Preparedness and Response (ASPR) [1]. - This modification follows a recent contract amendment for Botulism Antitoxin Heptavalent (BAT) with ASPR, indicating a broader collaboration between Emergent and the U.S. government in public health preparedness [2]. Group 2: Product Information - VIGIV is indicated for treating complications due to vaccinia vaccination, including severe generalized vaccinia and eczema vaccinatum, but is not indicated for postvaccinial encephalitis [3][4]. - The product has specific contraindications, including isolated vaccinia keratitis and severe allergic reactions to human globulins [4]. Group 3: Safety Information - Important safety information for VIGIV includes potential interactions with glucose monitoring systems, which may lead to falsely elevated blood glucose readings [3]. - Common adverse reactions reported in clinical trials for VIGIV include headache, nausea, rigors, and dizziness, with more than 10% of patients experiencing these effects [6].
哪些食物是“视力加油站”?营养专家帮你划重点
Yang Shi Wang· 2025-06-24 03:16
Core Viewpoint - The increasing prevalence of myopia among children is linked to factors such as screen exposure and insufficient outdoor activities, emphasizing the importance of nutrition during critical developmental periods for visual health [1] Group 1: Importance of Outdoor Activities and Nutrition - Children should engage in at least 2 hours of outdoor activities daily to prevent myopia [1] - Nutritional intake is crucial for preventing and improving visual impairments like amblyopia and myopia [1] Group 2: Key Nutritional Components for Eye Health - Protein is essential for visual development and should be sourced from lean meats, fish, dairy, and soy products [2] - Vitamin A is vital for normal growth of corneal and retinal cells, with sources including liver, carrots, and dark vegetables [3] - Vitamins C and E serve as antioxidants, protecting eye tissues from damage, found in citrus fruits, nuts, and leafy greens [4] - B vitamins support metabolic processes in the retina and cornea, primarily sourced from whole grains, meats, and dairy [5] - Calcium is necessary for maintaining the firmness of the eyeball, with dairy, legumes, and leafy greens as primary sources [6] - Trace elements like chromium, manganese, selenium, and zinc are crucial for visual function and development, found in seafood, nuts, and liver [7] Group 3: Dietary Recommendations for Eye Health - Lutein filters harmful blue light and is found in spinach, broccoli, and carrots [9] - DHA, an omega-3 fatty acid, enhances visual sensitivity and is best obtained from deep-sea fish [9] - A balanced diet is essential to prevent nutritional deficiencies that can lead to myopia, with recommendations for whole grains, fresh vegetables, and fruits [10]
特朗普突然松口!辅酶Q10「救心营养素」免税通关
Sou Hu Cai Jing· 2025-04-14 09:11
Core Insights - The Trump administration has exempted certain vitamins and supplement ingredients from tariffs, responding to calls from the Natural Products Association for the removal of tariffs on health-promoting vitamins, minerals, and amino acids [1][2] - The exemption includes essential vitamins such as A, C, E, various B vitamins, and minerals like zinc, iron, magnesium, calcium, and manganese, as well as CoQ10 [2] - The exemption is significant for the CoQ10 market, with one Chinese company exporting $326 million worth of CoQ10 to the U.S. in 2024, highlighting the growing demand for heart health supplements in the U.S. [3] Industry Context - Cardiovascular disease is the leading cause of death in the U.S., with 702,880 deaths in 2022, equating to one in five deaths, and a financial loss of approximately $252.2 billion from 2019 to 2020 due to medical services and productivity losses [3] - CoQ10 has been recognized by the National Institutes of Health as a supplement that can reduce the risk of complications from heart surgery, indicating its importance in the healthcare landscape [5] - A 12-year study involving 443 participants showed that CoQ10 supplementation significantly reduced mortality rates from cardiovascular diseases by 17%, blood pressure-related diseases by 18%, and diabetes by 25% [7] Technological Advancements - A breakthrough in CoQ10 technology by a team from the Shanghai Institute of Materia Medica has improved the stability and bioavailability of reduced CoQ10, making it more effective for health applications [12][14] - This innovation allows for the production of a more stable form of CoQ10, which can maintain over 98% content even under high temperature and humidity conditions for six months, enhancing absorption rates significantly [14] Market Opportunities - The tariff exemption aligns with the high prevalence of cardiovascular diseases in the U.S. and the increased demand for heart-healthy supplements, creating substantial market opportunities for Chinese dietary supplement companies [12] - The combination of U.S. health needs and advancements in CoQ10 technology positions China to enhance its influence in the global health supplement market [12]