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:



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:


  • Biochemical oxygen demand - Wikipedia
    Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a specific temperature over a specific time period
  • bod. com - bod. com
    The Libri Group developed the ground-breaking concept behind BoD in 1997: book publishing utilising print-on-demand technology with no minimum order and distribution across the entire book trade
  • Biochemical Oxygen Demand (BOD) and Water - USGS. gov
    Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature When you look at water in a lake the one thing you don't see is oxygen
  • Biochemical Oxygen Demand - an overview - ScienceDirect
    BOD, also called biological oxygen demand, is the amount of dissolved oxygen needed (i e , demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period
  • Biochemical Oxygen Demand (BOD) - Wisconsin DNR
    BOD is an "estimate" of the "food" available in a sample The more "food" present in a sample the more oxygen that will be required and the higher the BOD, the more rapidly oxygen is depleted from a water body
  • What is Biological Oxygen Demand (BOD)? - Wastewater Digest
    Higher BOD indicates more oxygen is required, signifying lower water quality Low BOD means less oxygen is being removed from water, so the water is usually more pure
  • BOD Definition Meaning - Merriam-Webster
    The meaning of BOD is fellow, guy
  • Biological Oxygen Demand (BOD) - Definition, Importance, Measurement
    What is Biological Oxygen Demand (BOD)? Biochemical oxygen demand refers to the amount of oxygen needed for the biological oxidation of organic materials in water (BOD) Aquatic life depends on a precise concentration of dissolved oxygen for its respiratory demands
  • Biochemical oxygen demand (BOD) | Britannica
    biochemical oxygen demand (BOD), the amount of dissolved oxygen used by microorganisms in the biological process of metabolizing organic matter in water
  • Xylem Analytics | Determination of BOD with WTW
    BOD describes the degradation of organic matter - more specifically, the carbon load - by microorganisms BOD measures the amount of dissolved oxygen consumed during the biological degradation of organic matter by microorganisms





中文字典-英文字典  2005-2009