请输入您要查询的字词：
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 demand
COD
化学耗氧量；化学需氧量
随便看
Three-year Action Plan of Provincial Environmental Protection and Construction
three year plan for British films
three years of continuous drought from 1959 to 1961 in China
Three Zaju Dramas by Kushui
Three Zaju Poetic Dramas on the Taiping Rebellion
Three Zhus of Jiading school
Threlfall
threo configuration
threo diisotactic polymer
threo-diisotactic polymer
threo disyndiotactic polymer
threo-disyndiotactic polymer
threo isomer
threonine
threo-polymer
threose
thresher
thresher for rice-wheat
thresher sharks
threshold
threshold adjust implant
threshold autoregressive model
threshold autoregressive model (TAR)
threshold Cerenkov counter
threshold condition
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间：2026/7/11 16:31:18