英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
poverte查看　poverte　在百度字典中的解释百度英翻中〔查看〕
poverte查看　poverte　在Google字典中的解释Google英翻中〔查看〕
poverte查看　poverte　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Homepage - ECHA
    The European Chemicals Agency (ECHA) has identified new research areas where further regulatory scientific research is needed to enhance protection of human health and the environment and strengthen chemicals safety
  • Per- and polyfluoroalkyl substances (PFAS) - ECHA
    Intro PFAS Per- and polyfluoroalkyl substances (PFAS) are a large class of thousands of synthetic chemicals that are used throughout society However, they are increasingly detected as environmental pollutants and some are linked to negative effects on human health
  • Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
    Per- and polyfluoroalkyl substances (PFAS) are a large, complex group of synthetic chemicals that have been used in consumer products around the world since about the 1950s They are ingredients in various everyday products For example, PFAS are used to keep food from sticking to packaging or cookware, make clothes and carpets resistant to stains, and create firefighting foam that is more
  • Understanding REACH - ECHA
    Understanding REACH REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment from the risks that can be posed by chemicals, while enhancing the competitiveness of the EU chemicals industry It also promotes alternative methods for the hazard assessment of substances in order to reduce the number of tests on animals
  • Cancer cases attributable to PFAS in drinking water estimated
    A group of chemicals known as PFAS is linked to a wide range of cancers affecting the human digestive, respiratory, and endocrine systems, according to NIEHS-funded research The study is the first to comprehensively assess the association between PFAS in drinking water and cancer incidence across multiple organ systems using large-scale, county-level data in the U S “The key takeaway is
  • Search for chemicals - ECHA
    Search for other data on chemicals Below you can find all publicly available data on chemicals held by ECHA, other than REACH registration dossiers
  • Researchers investigate a new method to detect PFAS chemicals
    NIEHS-funded scientists developed a method that allows simultaneous analysis of short, ultrashort, and long-chain PFAS
  • All news - ECHA
    The Committees for Risk Assessment (RAC) and for Socio-Economic Analysis (SEAC) reached provisional conclusions on the proposed restriction of PFAS in the petroleum and mining sector RAC also adopted its opinion on the harmonised classification and labelling of Talc, recommending carcinogenicity as the most stringent classification
  • Environmental Factor - December 2025
    Environmental Factor Newsletter Monitoring heatwaves with personal weather stations Pesticides linked to higher rheumatoid arthritis risk in farm women How a key protein controls mRNA stability A sugar called hyaluronan can help treat viral infections Simplifying single-cell datasets Chemical health hazards following train derailment identified Improving immunotherapies for allergic asthma





中文字典-英文字典  2005-2009