“chemical oxygen demand”的概念、定义、翻译、参考文献-科学参考

单词	chemical oxygen demand
释义	chemical oxygen demand Encyclopedia 理学环境分析释 chemical oxygen demand；COD化学需氧量水样在一定条件下，以氧化1升水样中还原性物质所消耗的氧化剂的量为指标，折算成每升水样全部被氧化后，需要的氧的毫克数。以毫克/升表示。化学需氧量反映了水中受还原性物质污染的程度，也是有机物相对含量的综合指标之一。 Chemistry ＞分析化学＞化学分析＞释义 chemical oxygen demand (COD)化学需氧量 Biology chemical oxygen demandCOD化学耗氧量；化学需氧量
随便看	Provisions of the Chinese Communist Party Regarding On-Site Inspections Provisions of the Ministry of Public Security on Handling the Transfer of Household Registration (Draft) Provisions of the Political Bureau of the Central Committee of the Communist Party of China on Improving Work Styles and Keeping Close Contact with the Masses Provisions of the State Council on Investigation for Administrative Responsibility for Extraordinarily Serious Safety Accidents Provisions on Administration of Qualification Standards for Entities Preparing Urban and Rural Plans Provisions on Administration of Urban Underground Space Provisions on Development and Construction in Contiguous Areas of Jinshanmeng of Water and Soil Conservation provisions on health protection for military training provisions on lightning protection devices for on-site mechanical equipment Provisions on Management of Satellite Television and Broadcasting Earth Receiving Facilities Provisions on the Administration of Amusement Parks Provisions on the Administration of Anti-Disaster Fortifications for Municipal Utilities Provisions on the Administration of Archival Filing of Export Food Production Enterprises provisions on the administration of qualifications of urban and rural planning units Provisions on the Administration of Students in Regular Institutions of Higher Education Provisions on the Administration of the Development and Utilization of Urban Underground Space provisions on the administration of urban earthquake resistance and disaster prevention planning proviso provitamin provitamin D2 provitamin D3 provitamin D3(DHC) Prov MikhailovichSadovsky Provosts of the Marshals of France pro water rights

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。