measure of turbidity

См. также в других словарях:

• Turbidity — standards of 5, 50, and 500 NTU Turbidity is the cloudiness or haziness of a fluid caused by individual particles (suspended solids) that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key… …   Wikipedia

• turbidity —   the measure of suspended sediment maintained in water by turbulent flow …   Geography glossary

• Ocean turbidity — Visualisation of the Ocean Turbidity of the ocean just before Hurricane Bob (August 14, 1991) Ocean turbidity is a measure of the amount of cloudiness or haziness in sea water caused by individual particles that are too small to be seen without… …   Wikipedia

• Visibility (disambiguation) — Visibility may refer to one of the following*Visibility in meteorology, a measure of the distance at which an object or light can be seen. *Visibility in water quality control, is a measure of turbidity. *Visibility in marketing, as a measure of… …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Total suspended solids — is a water quality measurement usually abbreviated TSS. It is listed as a conventional pollutant in the U.S. Clean Water Act. This parameter was at one time called non filterable residue (NFR), a term that refers to the identical measurement: the …   Wikipedia

• Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… …   Wikipedia

• Nephelometer — A nephelometer at the Kosan, Cheju Island, South Korea NOAA facility A nephelometer [1] is a stationary or portable instrument for measuring suspended particulates in a liquid or gas colloid. A nephelometer measures suspended particulates by… …   Wikipedia

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• Cell counting — is a general name for various methods for the quantification of cells in molecular biology and in medicine. Contents 1 The need for cell counting 2 Methods 2.1 Counting chamber 2 …   Wikipedia