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...a value that is calculated through [[Aquatic Toxicology|aquatic]] toxicity tests to help set [[water quality]] regulations for the protection of aquatic lif ...ronic or acute. Since the MATC should only be reported in chronic toxicity tests, there is a widely accepted method to convert the chronic MATC to a concent ...

{{Short description|Formula to estimate a chemical's chronic toxicity}} ...tensive. There is an unfilled demand for the rapid assessment of different chemical [[toxicity]] to many different organisms. The ACR is a proposed solution to ...

...9; {{ISBN|978-1-4200-8270-8}}.</ref><ref>J.K. Taylor, Quality Assurance of Chemical Measurements, 4th printing, Lewis Publishers, Chelsea, Michigan, 1988; {{IS ...st is also in use as a simple alternative for regular [[homoscedasticity]] tests such as [[Bartlett's test|Bartlett's]] test, [[Levene's test|Levene's]] tes ...

...ted by a [[reduction oxidation|redox]] ([[combustion]]) reaction as in a [[chemical rocket]]. ...he overall gross lift-off mass of a nuclear rocket is about half that of a chemical rocket, and hence when used as an upper stage it roughly doubles or triples ...

...provides an introduction to fundamental water-related topics in form of a "chemical pocket calculator". * Calculates physico-chemical parameters: [[alkalinity]], buffer capacities ([[Acid neutralizing capacity ...

...lugCo &#124; plugco.net|date = 30 June 2019}}</ref> for both water and air tests. ...ipe plugs should be cleaned with soap and water before and after each use. Chemical solvents, hydrocarbons, petroleum fluids or other aggressive substances sho ...

...results and depends on several parameters. Among them are surface quality, chemical affinity between the material of two surfaces, surface hardness process, he ...the results can be reported or can be compared items subjected to similar tests. ...

...h satisfactory results.<ref name=Soil /> It is important to execute these tests precisely to ensure an accurate resulting plot. There are various methods * [[Chemical weathering]]: Different types of chemical weathering will cause preconsolidation pressure. Precipitation, cementing ...

...ince the flow rate is critical in many industrial processes, especially in chemical industries.<br/> ...eed to transport chemical liquids at a specific flow rate for a particular chemical reaction to take place then there is a need to ascertain both the dynamic h ...

...ОП-2'''), or Ionov's salt, indicated on the package as '''Н. А.''', is a [[chemical substance]] used as a thickener.<ref>{{Cite web |title=Дымовые и огнеметно– ...dified oil (SO), developed by CWS.<ref>AMOS A. FRIES and CLARENCE J. WEST. CHEMICAL WARFARE.New York: McGraw-Hill, 1921. </ref> Gasoline and rubber mixtures we ...

...d to the Sun, the members of this cluster have a higher [[abundance of the chemical elements]] other than [[hydrogen]] and [[helium]].<ref name=aaa424/> The co ...{cite journal | author=Pasquini, L. |display-authors=etal | title=Detailed chemical composition of the open cluster IC 4651: The iron peak, α elements, and Li ...

...ovides important information about the nuclear structure and the physical, chemical or biological environment of atoms. More recently the effect has also been ...radii of the excited and ground state constitute one of the most sensitive tests of nuclear models. Moreover, combined with the Mössbauer effect, the isomer ...

{{Short description|Immune response chemical interaction}} ...y is protected from complex foreign molecules, such as pathogens and their chemical toxins. In the blood, the antigens are specifically and with high affinity ...

* [[Thyroid function tests]] [[Category:Chemical pathology]] ...

...f is inappropriate, for high temperature fires can be hot enough to induce chemical changes in concrete, which in the extreme can cause considerable structural ...te is quite young and results from the volume reduction resulting from the chemical reaction of the Portland cement. ...

...Methodologic Challenges of Volatile Organic Compound–Based Exhaled Breath Tests for Cancer Diagnosis: A Systematic Review and Meta-analysis|journal=JAMA On ...of environmental exposure can be used to quantify body burden. Also breath tests are often based on the ingestion of isotopically labeled precursors, produc ...

Industrial processes, for example chemical or thermodynamic processes in chemical plants, refineries, oil or gas production sites, or power plants, are often ...ction of Measurements Necessary to Achieve Multicomponent Mass Balances in Chemical Plant'', Chem. Eng. Sci. 31: 1199–1205, 1976.</ref><ref name="Mah-Stanley-D ...

...Hill |date=1969 }}</ref>{{rp|page=89 |quote=For {{math|&chi;²}} tests, {{math|&chi;_&nu;²}} should be approximately equal to ...Improving isochron calculations with robust statistics and the bootstrap. Chemical Geology 185, 191–204.</ref> ...

The '''K/U Ratio''' is the ratio of a slightly volatile [[Chemical element|element]], [[potassium ]](K), to a highly refractory element, [[ura In [[planetary science]], volatiles are the group of chemical elements and [[chemical compound]]s with [[Boiling|low boiling points]] that are associated with a ...

...and the [[assay]]-specific upper limit of the [[Reference ranges for blood tests|reference interval]] for FT4 concentration (''l_u'').<ref name="D * [[Thyroid function tests]] ...