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acidity-alkalinity test

См. также в других словарях:

  • litmus test — litmus test, 1. (Chem.) A test to determine acidity or alkalinity, using litmus as an inddicator. [PJC] 2. Hence: (Fig.) A test for a single factor, which has only two outcomes, positive or negative; specifically: (Politics) the question of… …   The Collaborative International Dictionary of English

  • litmus test — noun a) A simple test for the acidity or alkalinity of a substance, using litmus paper. Temple, under its new coach, Ray Morrison, formerly of Vanderbilt, will be put to the blue litmus test Friday night when it takes on Georgetown. b) Any test… …   Wiktionary

  • litmus test — lit′mus test n. 1) chem. a test using litmus paper or solution to indicate the acidity or alkalinity of a solution 2) a crucial test using a single issue or factor as the basis for judgment • Etymology: 1955–60 …   From formal English to slang

  • litmus test — /ˈlɪtməs tɛst/ (say litmuhs test) noun 1. a test of acidity or alkalinity using litmus paper. 2. a decisive test of a person s loyalty, character, determination, etc …   Australian English dictionary

  • litmus test — 1. Chem. the use of litmus paper or solution to test the acidity or alkalinity of a solution. 2. a crucial and revealing test in which there is one decisive factor. [1955 60; so called from chemical tests in which litmus or litmus paper is an… …   Universalium

  • litmus test — use of litmus paper to test the alkalinity or acidity of a solution (Chemistry); test in which one particular event or quality serves as the decisive factor (Figurative) …   English contemporary dictionary

  • Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …   Wikipedia

  • Fruit tree propagation — is usually carried out through asexual reproduction by grafting or budding the desired variety onto a suitable rootstock. Perennial plants can be propagated either by sexual or vegetative means. Sexual reproduction occurs when male pollen from… …   Wikipedia

  • Wet chemistry — is a term used to refer to chemistry generally done in the liquid phase. It is also known as bench chemistry because many of the tests performed are done at a lab bench.MaterialsTraditionally, it involves the use of laboratory glassware, such as… …   Wikipedia

  • Ocean acidification — Change in sea water acidity pH caused by anthropogenic CO2 between the 1700s and the 1990s Ocean acidification is the name given to the ongoing decrease in the pH and increase in acidity of the Earth …   Wikipedia

  • plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

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