- chemical water composition
- химический состав воды
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
Water fluoridation — Fluoridation does not affect the appearance, taste or smell of drinking water.[1] Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water has flu … Wikipedia
Chemical substance — Chemical redirects here. For other uses, see Chemical (disambiguation). Steam and liquid water are two different forms of the same chemical substance, water. In chemistry, a chemical substance is a form of matter that has constant chemical… … Wikipedia
Chemical imaging — (as quantitative chemical mapping) is the analytical capability to create a visual image of components distribution from simultaneous measurement of spectra and spatial, time informations.[1][2] The main idea for chemical imaging, the analyst may … Wikipedia
Chemical biology — is a scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.… … Wikipedia
Chemical potential — Chemical potential, symbolized by μ, is a measure first described by the American engineer, chemist and mathematical physicist Josiah Willard Gibbs. It is the potential that a substance has to produce in order to alter a system.[1] In broadest… … Wikipedia
Water supply and sanitation in Israel — is intricately linked to the historical development of Israel in the context of scarce water resources. Because the coastal plain of historical Palestine had few water resources, Theodor Herzl already envisioned the transfer of water from the… … Wikipedia
Water potential — is the potential energy of water per unit volume relative to pure water in reference conditions. Water potential quantifies the tendency of water to move from one area to another due to osmosis, gravity, mechanical pressure, or matrix effects… … Wikipedia
Chemical law — Chemical laws are those laws of nature relevant to chemistry. The most fundamental concept in chemistry is the law of conservation of mass, which states that there is no detectable change in the quantity of matter during an ordinary chemical… … Wikipedia
Chemical lace — (sometimes referred to as Schiffli Lace) is a form of machine made lace. This method of lace making is done by embroidering a pattern on a sacrificial fabric that has been chemically treated so as to disintegrate after the pattern has been… … Wikipedia
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another … Universalium