二氧化硫
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PM2.5等排放限值,进一步“收严”!千方百计打好“蓝天保卫战”
Yang Shi Wang· 2025-12-16 03:44
中国环境科学研究院大气所所长胡京南称:"为什么要加严?有越来越多的健康证据表明,PM2.5的污染实际上和像高血压,像吸烟,包 括高血糖等等,都是排名前几位的疾病负担的主要致病因子。所以PM2.5这次是我们修订的最首先考虑的污染物,PM10因为和PM2.5本身也是 有一个包含的关系,所以我们在修订PM2.5的同时也考虑它和PM10的关系来进行了同步修订。像二氧化硫和氮氧化物除了有自己的健康影响 以外,也是PM2.5中像硫酸盐、硝酸盐这些成分的关键前体物。所以这一次除了考虑这两种气态污染物的健康影响,特别也考虑它们对PM2.5 来源的贡献,所以也同步收严了这两种污染物的限值。" 据介绍,新的《环境空气质量标准》执行颗粒物浓度过渡限值,即从2026年到2030年,将PM2.5的年均浓度达标值设为30微克/立方米,将 PM10的年均浓度达标值设为60微克/立方米。再过5年,从2031年起,全面执行修订后的污染物浓度限值。 央视网消息:随着空气质量持续改善,生态环境部近日启动《环境空气质量标准》新一轮修订工作。根据15日对外发布的征求意见稿,其 中PM2.5等大气污染物的排放限值将会进一步收严。 根据意见稿,本次标准修 ...
中船特气H1实现营收10.4亿元,同比增长12.6%
Ju Chao Zi Xun· 2025-08-22 08:58
Financial Performance - The company reported a revenue of 1.04 billion yuan for the first half of 2025, representing a year-on-year increase of 12.6% [1][2] - The net profit attributable to shareholders decreased by 0.55% to 177.84 million yuan, while the net profit excluding non-recurring gains and losses increased by 13.84% to 150.34 million yuan [1][2] - Operating cash flow decreased by 22.22% to 333.46 million yuan compared to the same period last year [1] Project Development and Innovation - The company is actively involved in the national strategic projects and has established an electronic specialty gas innovation collaborative mechanism, focusing on R&D investments in electronic specialty gases, precursors, and high-purity metals [3] - Significant progress has been made in various projects, including the completion of safety production permits for high-purity electronic gas projects and the construction of a high-purity tungsten powder facility [3] - The company has achieved an annual production capacity of 18,500 tons for ultra-pure nitrogen trifluoride and 10,000 tons for ultra-pure ammonia [3] Product Promotion and Market Performance - The company has seen a notable increase in the delivery volume of 16 products, including hydrogen fluoride and sulfur dioxide, with a revenue of 144 million yuan from trifluoromethanesulfonic acid series products, marking a 49.19% increase [4] - The company’s market share and coverage have improved, with a 110.9% increase in new contracts compared to the previous year [4] - The proportion of overseas revenue increased from 24.68% in 2024 to nearly 27% [4]
市场监管总局:严管食品添加剂超范围、超限量和非法添加问题
Zhong Guo Xin Wen Wang· 2025-07-29 12:18
Group 1 - The market regulatory authority emphasizes the need for stringent monitoring of food additives, aiming for zero tolerance towards illegal practices and ensuring compliance as a cornerstone for high-quality development in the food industry [1][2] - In the first half of 2025, the market regulatory authority completed 2.639 million batches of food safety supervision inspections, resulting in 69,000 batches of non-compliant products being removed, sealed, or recalled [1] - A total of 18,100 food-related legal cases were handled, with fines amounting to 740 million yuan, and 653 cases were referred to judicial authorities [1] Group 2 - The misuse of food additives is identified as a significant concern for consumers and a major risk in food safety regulation, prompting the market regulatory authority to prioritize this issue in its annual inspection plans [2] - The authority conducted inspections focusing on staple foods closely related to daily life, as well as health foods and infant formula, detecting 12,000 batches of non-compliant products due to excessive use of additives like sulfur dioxide and sweeteners [2] - The regulatory body has taken strict actions against 4,727 food production and operation enterprises for misuse of additives, including suspending operations for 65 companies and revoking production licenses for 10 serious offenders [2]