What does WW mean in essay corrections?
Questionable Word Choice
What does CS mean in an essay?
essay correction symbol
What does P mean when correcting a paper?
See Common Problems for help. Paragraph is needed. p An error in punctuation has occurred. rs or ro Run-on Sentence: Two sentences have been run together without proper punctuation. sp A spelling error has occurred.
What is the abbreviation for correction?
What does Corr stand for?
CORRAcronymDefinitionCORRCorrespondenceCORRChampionship Off-Road RacingCORRCorrectionsCORRCorridor (zoning)8
What does Corr mean in slang?
Is Corr a word?
No, corr is not in the scrabble dictionary.
What is Cor in accounting?
Combined Operating Ratio – a measure of general insurance underwriting profitability, the COR compares claims, costs and expenses to premiums. It is called the Combined Ratio because it combines the loss ratio (claims as a % of premiums) and expense ratio (expenses as a % of premiums).
What is cod in accounting?
Cash on delivery
Can I refuse a COD package?
You can refuse the delivery if you have selected Cash on Delivery (COD) and the item will be returned to the seller. However, if you are not at home, you can also put a written note on your door (or any other typical delivery location) that you want to refuse the delivery.
What does COD mean in wastewater?
chemical oxygen demand
Why is COD higher than BOD?
COD is normally higher than BOD because more organic compounds can be chemically oxidised than biologically oxidised. This includes chemicals toxic to biological life, which can make COD tests very useful when testing industrial sewage as they will not be captured by BOD testing.
Is high COD good or bad?
COD is an indicative measurement of the amount of oxygen that can be consumed by reactions in a measured solution. COD detection can be used to easily quantify the amount of organics in water. The higher the COD value, the more serious the pollution of organic matter by water.
What is BOD formula?
BOD = biochemical oxygen demand, mg/L. When seed is added, seed control tests must be done to determine the amount of oxygen depleted by the seed. Calculation of BOD includes a correction factor for seed as expressed by Equation 2.
What is a good BOD level?
BOD values are usually reported in either ppm values or in mg/L values. Unpolluted rivers typically have a BOD below 1 mg/L. Moderately polluted rivers vary between 2 to 8 mg/L. Untreated sewage averages between 200 and 600 mg/L while efficiently treated municipal sewage would be 20 mg/L or less.
What is BOD COD and do?
Indian Institute of Science. COD or Chemical Oxygen Demand is the total measurement of all chemicals (organics & in-organics) in the water / waste water; BOD is a measure of, the amount of oxygen that require for the bacteria to degrade the organic components present in water / waste water.
What happens if BOD is high?
The greater the BOD, the more rapidly oxygen is depleted in the stream. This means less oxygen is available to higher forms of aquatic life. The consequences of high BOD are the same as those for low dissolved oxygen: aquatic organisms become stressed, suffocate, and die.
How does BOD increase?
Biochemical oxygen demand (BOD) is a measure of the quantity of oxygen used by microorganisms (e.g., aerobic bacteria) in the oxidation of organic matter. The increasing oxygen consumed in the decomposition process robs other aquatic organisms of the oxygen they need to live.
How do you reduce BOD in water?
BOD is fairly easy to remove from sewage by providing a supply of oxygen during the treatment process; the oxygen supports bacterial growth which breaks down the organic BOD. Most enhanced treatment units described incorporate some type of unit which actively oxygenates the sewage to reduce BOD.