water-chemical region
1Chemical 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 …
2Water 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… …
3Water supply and sanitation in the United States — is provided by towns and cities, public utilities that span several jurisdictions and rural cooperatives. About 15 million Americans are served by their own wells. Public water supply and sanitation systems are regulated by state level regulatory …
4Chemical oxygen iodine laser — Chemical oxygen iodine laser, or COIL, is an infrared chemical laser. As the beam is infrared, it cannot be seen with the naked eye. It is capable of output power scaling up to megawatts in continuous mode[citation needed]. Its output wavelength… …
5chemical 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 …
6chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
7chemical 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… …
8Water 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… …
9water — waterer, n. waterless, adj. waterlessly, adv. waterlessness, n. waterlike, adj. /waw teuhr, wot euhr/, n. 1. a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H2O, freezing at 32°F or 0°C and boiling at 212°F or 100°C …
10Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
